upd linter

- dont show ccr status if license insufficient
- add automated tests
- fix config loading
- fix search output
- fix `license show` panics
- fix `ilm show` completion
- print ask passwd prompt to stderr

.woodpecker/build.yaml

@@ -2,7 +2,7 @@ matrix:
   platform:
     - linux/amd64
   goversion:
-    - 1.25.8
+    - 1.26.4
 
 labels:
   platform: ${platform}
@@ -21,6 +21,6 @@ steps:
       event: [push,manual]
     image: golang:${goversion}
     commands:
-      - curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/HEAD/install.sh | sh -s -- -b $(go env GOPATH)/bin v2.5.0
+      - curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/HEAD/install.sh | sh -s -- -b $(go env GOPATH)/bin v2.12.2
       - golangci-lint --version
       - golangci-lint run ./...

README.md

@@ -536,7 +536,6 @@ index                       - manage indicies
   update                    - update an index
   delete                    - delete an index
   close                     - close an index
-  allocation                - explain index allocation
   fields                    - show info about field capabilities
   ilm                       - show ilm status
   alias                     - manage index aliases
@@ -564,6 +563,7 @@ search                      - search within an index
 shard                       - manage shards
   list                      - list shards
   show                      - show details about a shard
+  allocation                - explain shard allocation
 snapshot                    - manage snapshots
   list                      - list snapshots
   show                      - show details about a snapshot

TODO.md

@@ -3,10 +3,6 @@
 
 - index show: add more details, see screenshots
 
-- add shard explain, aka:
-  get /_cluster/allocation/explain {"index":"yourindex", "primary": true, "shard":0}
-
-
 - add datastream support:
   https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-indices-get-data-stream
   

cmd/index.go

@@ -40,7 +40,6 @@ func Index(conf *cfg.Config) *cli.Command {
 			IndexCreate(conf, true),
 			IndexDelete(conf),
 			IndexClose(conf),
-			IndexAllocation(conf),
 			IndexFields(conf),
 			IndexIlm(conf),
 
@@ -96,38 +95,6 @@ func IndexList(conf *cfg.Config) *cli.Command {
 	}
 }
 
-func IndexAllocation(conf *cfg.Config) *cli.Command {
-	return &cli.Command{
-		Name:    "allocation",
-		Aliases: []string{"a"},
-		Usage:   "explain index allocation",
-
-		Flags: []cli.Flag{
-			&cli.IntFlag{
-				Name:        "shard",
-				Usage:       "shard number to explain for",
-				Destination: &conf.Shards,
-				Aliases:     []string{"s"},
-			},
-			&cli.BoolFlag{
-				Name:        "primary",
-				Usage:       "explain primary allocation (default true)",
-				Destination: &conf.Primary,
-				Aliases:     []string{"p"},
-			},
-		},
-
-		Action: func(ctx context.Context, cmd *cli.Command) error {
-			index := cmd.Args().Get(0)
-			if index == "" {
-				return errors.New("no index specified")
-			}
-
-			return es.IndexAllocation(conf, cmd.Args().Get(0))
-		},
-	}
-}
-
 func IndexShow(conf *cfg.Config) *cli.Command {
 	return &cli.Command{
 		Name:    "show",

cmd/root.go

@@ -89,7 +89,7 @@ func Main() int {
 				Name:        "output",
 				Aliases:     []string{"o"},
 				Value:       "",
-				Usage:       "output mode (tsv, markdown, json, yaml) default: tsv",
+				Usage:       "output mode (tsv, json, yaml) default: tsv",
 				Destination: &conf.Output,
 			},
 			&cli.StringFlag{

cmd/shards.go

@@ -35,6 +35,7 @@ func Shard(conf *cfg.Config) *cli.Command {
 		Commands: []*cli.Command{
 			ShardList(conf),
 			ShardShow(conf),
+			ShardAllocation(conf),
 		},
 	}
 }
@@ -94,3 +95,41 @@ func ShardShow(conf *cfg.Config) *cli.Command {
 		},
 	}
 }
+
+func ShardAllocation(conf *cfg.Config) *cli.Command {
+	return &cli.Command{
+		Name:    "allocation",
+		Aliases: []string{"a"},
+		Usage:   "explain shard allocation",
+
+		Flags: []cli.Flag{
+			&cli.IntFlag{
+				Name:        "shard",
+				Usage:       "shard number to explain for",
+				Destination: &conf.Shards,
+				Aliases:     []string{"s"},
+			},
+			&cli.BoolFlag{
+				Name:        "primary",
+				Usage:       "explain primary allocation (default true)",
+				Destination: &conf.Primary,
+				Aliases:     []string{"p"},
+			},
+			&cli.StringFlag{
+				Name:        "node",
+				Usage:       "explain a shard only if it is currently located on the specified node name or node ID",
+				Destination: &conf.FromNode,
+				Aliases:     []string{"n"},
+			},
+		},
+
+		Action: func(ctx context.Context, cmd *cli.Command) error {
+			index := cmd.Args().Get(0)
+			if index == "" {
+				return errors.New("no index specified")
+			}
+
+			return es.ShardAllocation(conf, cmd.Args().Get(0))
+		},
+	}
+}

cmd/utilities.go

@@ -26,7 +26,7 @@ import (
 func addReference(ref string) string {
 	indentedRef := []string{}
 
-	for _, line := range strings.Split(ref, "\n") {
+	for line := range strings.SplitSeq(ref, "\n") {
 		indentedRef = append(indentedRef, "   "+line)
 	}
 	return fmt.Sprintf("%s\nREFERENCE:\n%s\n",

go.mod

@@ -14,11 +14,13 @@
 // along with this program. If not, see <http://www.gnu.org/licenses/>.
 module codeberg.org/scip/esctl
 
-go 1.25.8
+go 1.26.4
 
 require (
 	github.com/MichaelMure/go-term-markdown v0.1.4
 	github.com/alecthomas/repr v0.5.2
+	github.com/charmbracelet/bubbles v1.0.0
+	github.com/charmbracelet/bubbletea v1.3.10
 	github.com/charmbracelet/lipgloss v1.1.0
 	github.com/chzyer/readline v1.5.1
 	github.com/dustin/go-humanize v1.0.1
@@ -29,10 +31,11 @@ require (
 	github.com/go-openapi/spec v0.22.5
 	github.com/go-openapi/swag/loading v0.26.1
 	github.com/mattn/go-isatty v0.0.22
-	github.com/olekukonko/tablewriter v1.1.4
+	github.com/seeruk/go-wordwrap v0.0.0-20191208221741-14ec4aac9550
 	github.com/tidwall/gjson v1.19.0
 	github.com/tlinden/yadu v0.1.3
 	github.com/urfave/cli/v3 v3.10.1-0.20260623012112-f980ca84bf65
+	golang.org/x/term v0.44.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
@@ -40,9 +43,6 @@ require (
 	github.com/MichaelMure/go-term-text v0.3.1 // indirect
 	github.com/alecthomas/chroma v0.7.1 // indirect
 	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/charmbracelet/bubbles v1.0.0 // indirect
-	github.com/charmbracelet/bubbletea v1.3.10 // indirect
 	github.com/charmbracelet/colorprofile v0.4.1 // indirect
 	github.com/charmbracelet/x/ansi v0.11.6 // indirect
 	github.com/charmbracelet/x/cellbuf v0.0.15 // indirect
@@ -69,7 +69,6 @@ require (
 	github.com/go-openapi/swag/typeutils v0.26.1 // indirect
 	github.com/go-openapi/swag/yamlutils v0.26.1 // indirect
 	github.com/go-viper/mapstructure/v2 v2.5.0 // indirect
-	github.com/goccy/go-json v0.10.6 // indirect
 	github.com/gomarkdown/markdown v0.0.0-20191123064959-2c17d62f5098 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/kyokomi/emoji/v2 v2.2.8 // indirect
@@ -81,11 +80,7 @@ require (
 	github.com/muesli/cancelreader v0.2.2 // indirect
 	github.com/muesli/termenv v0.16.0 // indirect
 	github.com/oklog/ulid/v2 v2.1.1 // indirect
-	github.com/olekukonko/cat v0.0.0-20250911104152-50322a0618f6 // indirect
-	github.com/olekukonko/errors v1.2.0 // indirect
-	github.com/olekukonko/ll v0.1.8 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
-	github.com/seeruk/go-wordwrap v0.0.0-20191208221741-14ec4aac9550 // indirect
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.0 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
@@ -94,10 +89,8 @@ require (
 	go.opentelemetry.io/otel/metric v1.35.0 // indirect
 	go.opentelemetry.io/otel/trace v1.35.0 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
 	golang.org/x/image v0.0.0-20191206065243-da761ea9ff43 // indirect
 	golang.org/x/net v0.55.0 // indirect
 	golang.org/x/sys v0.46.0 // indirect
-	golang.org/x/term v0.44.0 // indirect
 	golang.org/x/text v0.37.0 // indirect
 )

go.sum

@@ -14,28 +14,18 @@ github.com/alecthomas/repr v0.5.2 h1:SU73FTI9D1P5UNtvseffFSGmdNci/O6RsqzeXJtP0Qs
 github.com/alecthomas/repr v0.5.2/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
 github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
 github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
-github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
-github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/charmbracelet/bubbles v1.0.0 h1:12J8/ak/uCZEMQ6KU7pcfwceyjLlWsDLAxB5fXonfvc=
 github.com/charmbracelet/bubbles v1.0.0/go.mod h1:9d/Zd5GdnauMI5ivUIVisuEm3ave1XwXtD1ckyV6r3E=
 github.com/charmbracelet/bubbletea v1.3.10 h1:otUDHWMMzQSB0Pkc87rm691KZ3SWa4KUlvF9nRvCICw=
 github.com/charmbracelet/bubbletea v1.3.10/go.mod h1:ORQfo0fk8U+po9VaNvnV95UPWA1BitP1E0N6xJPlHr4=
-github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc h1:4pZI35227imm7yK2bGPcfpFEmuY1gc2YSTShr4iJBfs=
-github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc/go.mod h1:X4/0JoqgTIPSFcRA/P6INZzIuyqdFY5rm8tb41s9okk=
 github.com/charmbracelet/colorprofile v0.4.1 h1:a1lO03qTrSIRaK8c3JRxJDZOvhvIeSco3ej+ngLk1kk=
 github.com/charmbracelet/colorprofile v0.4.1/go.mod h1:U1d9Dljmdf9DLegaJ0nGZNJvoXAhayhmidOdcBwAvKk=
 github.com/charmbracelet/lipgloss v1.1.0 h1:vYXsiLHVkK7fp74RkV7b2kq9+zDLoEU4MZoFqR/noCY=
 github.com/charmbracelet/lipgloss v1.1.0/go.mod h1:/6Q8FR2o+kj8rz4Dq0zQc3vYf7X+B0binUUBwA0aL30=
-github.com/charmbracelet/x/ansi v0.8.0 h1:9GTq3xq9caJW8ZrBTe0LIe2fvfLR/bYXKTx2llXn7xE=
-github.com/charmbracelet/x/ansi v0.8.0/go.mod h1:wdYl/ONOLHLIVmQaxbIYEC/cRKOQyjTkowiI4blgS9Q=
 github.com/charmbracelet/x/ansi v0.11.6 h1:GhV21SiDz/45W9AnV2R61xZMRri5NlLnl6CVF7ihZW8=
 github.com/charmbracelet/x/ansi v0.11.6/go.mod h1:2JNYLgQUsyqaiLovhU2Rv/pb8r6ydXKS3NIttu3VGZQ=
-github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd h1:vy0GVL4jeHEwG5YOXDmi86oYw2yuYUGqz6a8sLwg0X8=
-github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs=
 github.com/charmbracelet/x/cellbuf v0.0.15 h1:ur3pZy0o6z/R7EylET877CBxaiE1Sp1GMxoFPAIztPI=
 github.com/charmbracelet/x/cellbuf v0.0.15/go.mod h1:J1YVbR7MUuEGIFPCaaZ96KDl5NoS0DAWkskup+mOY+Q=
-github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ=
-github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNEEkHUMCmsxdUg=
 github.com/charmbracelet/x/term v0.2.2 h1:xVRT/S2ZcKdhhOuSP4t5cLi5o+JxklsoEObBSgfgZRk=
 github.com/charmbracelet/x/term v0.2.2/go.mod h1:kF8CY5RddLWrsgVwpw4kAa6TESp6EB5y3uxGLeCqzAI=
 github.com/chzyer/logex v1.2.1 h1:XHDu3E6q+gdHgsdTPH6ImJMIp436vR6MPtH8gP05QzM=
@@ -114,8 +104,6 @@ github.com/go-openapi/testify/v2 v2.5.1 h1:TMdhCaw8fUNraVSf3Omoob1dO/AzBfhtFAPW0
 github.com/go-openapi/testify/v2 v2.5.1/go.mod h1:SgsVHtfooshd0tublTtJ50FPKhujf47YRqauXXOUxfw=
 github.com/go-viper/mapstructure/v2 v2.5.0 h1:vM5IJoUAy3d7zRSVtIwQgBj7BiWtMPfmPEgAXnvj1Ro=
 github.com/go-viper/mapstructure/v2 v2.5.0/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
-github.com/goccy/go-json v0.10.6 h1:p8HrPJzOakx/mn/bQtjgNjdTcN+/S6FcG2CTtQOrHVU=
-github.com/goccy/go-json v0.10.6/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
 github.com/gomarkdown/markdown v0.0.0-20191123064959-2c17d62f5098 h1:Qxs3bNRWe8GTcKMxYOSXm0jx6j0de8XUtb/fsP3GZ0I=
 github.com/gomarkdown/markdown v0.0.0-20191123064959-2c17d62f5098/go.mod h1:aii0r/K0ZnHv7G0KF7xy1v0A7s2Ljrb5byB7MO5p6TU=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
@@ -154,14 +142,6 @@ github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc
 github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
 github.com/oklog/ulid/v2 v2.1.1 h1:suPZ4ARWLOJLegGFiZZ1dFAkqzhMjL3J1TzI+5wHz8s=
 github.com/oklog/ulid/v2 v2.1.1/go.mod h1:rcEKHmBBKfef9DhnvX7y1HZBYxjXb0cP5ExxNsTT1QQ=
-github.com/olekukonko/cat v0.0.0-20250911104152-50322a0618f6 h1:zrbMGy9YXpIeTnGj4EljqMiZsIcE09mmF8XsD5AYOJc=
-github.com/olekukonko/cat v0.0.0-20250911104152-50322a0618f6/go.mod h1:rEKTHC9roVVicUIfZK7DYrdIoM0EOr8mK1Hj5s3JjH0=
-github.com/olekukonko/errors v1.2.0 h1:10Zcn4GeV59t/EGqJc8fUjtFT/FuUh5bTMzZ1XwmCRo=
-github.com/olekukonko/errors v1.2.0/go.mod h1:ppzxA5jBKcO1vIpCXQ9ZqgDh8iwODz6OXIGKU8r5m4Y=
-github.com/olekukonko/ll v0.1.8 h1:ysHCJRGHYKzmBSdz9w5AySztx7lG8SQY+naTGYUbsz8=
-github.com/olekukonko/ll v0.1.8/go.mod h1:RPRC6UcscfFZgjo1nulkfMH5IM0QAYim0LfnMvUuozw=
-github.com/olekukonko/tablewriter v1.1.4 h1:ORUMI3dXbMnRlRggJX3+q7OzQFDdvgbN9nVWj1drm6I=
-github.com/olekukonko/tablewriter v1.1.4/go.mod h1:+kedxuyTtgoZLwif3P1Em4hARJs+mVnzKxmsCL/C5RY=
 github.com/pborman/getopt v0.0.0-20170112200414-7148bc3a4c30/go.mod h1:85jBQOZwpVEaDAr341tbn15RS4fCAsIst0qp7i8ex1o=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -189,8 +169,6 @@ github.com/tidwall/pretty v1.2.0 h1:RWIZEg2iJ8/g6fDDYzMpobmaoGh5OLl4AXtGUGPcqCs=
 github.com/tidwall/pretty v1.2.0/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
 github.com/tlinden/yadu v0.1.3 h1:5cRCUmj+l5yvlM2irtpFBIJwVV2DPEgYSaWvF19FtcY=
 github.com/tlinden/yadu v0.1.3/go.mod h1:l3bRmHKL9zGAR6pnBHY2HRPxBecf7L74BoBgOOpTcUA=
-github.com/urfave/cli/v3 v3.9.1-0.20260524212652-be8b79d0c8de h1:ESKPiS7inVoBnv4FmgGNZdjWBI/wmvaragoyD3D9nM4=
-github.com/urfave/cli/v3 v3.9.1-0.20260524212652-be8b79d0c8de/go.mod h1:ysVLtOEmg2tOy6PknnYVhDoouyC/6N42TMeoMzskhso=
 github.com/urfave/cli/v3 v3.10.1-0.20260623012112-f980ca84bf65 h1:NXitXXO9DupDLEFj8hIyYtsubRxSFTp5JXqohElT0nU=
 github.com/urfave/cli/v3 v3.10.1-0.20260623012112-f980ca84bf65/go.mod h1:ysVLtOEmg2tOy6PknnYVhDoouyC/6N42TMeoMzskhso=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
@@ -223,8 +201,6 @@ golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.45.0 h1:dO4czNzziLiiXplLQgBCEpCvXQ3dnkn0SdaZSYdQ+FY=
-golang.org/x/sys v0.45.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
 golang.org/x/sys v0.46.0 h1:noSf2Fq6F8DBgS+LysIkx7rIExoNHJsxOAtPp4rthXw=
 golang.org/x/sys v0.46.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
 golang.org/x/term v0.44.0 h1:0rLvDRCtNj0gZkyIXhCyOb2OAzEhLVqc4B+hrsBhrmc=

pkg/cfg/transport.go

@@ -45,7 +45,7 @@ func (t *DebugTransport) RoundTrip(req *http.Request) (*http.Response, error) {
 		var pretty bytes.Buffer
 		err = json.Indent(&pretty, buf.Bytes(), "", "\t")
 		if err != nil {
-			return nil, fmt.Errorf("json parse error: %s", err)
+			return nil, fmt.Errorf("json parse error: %w", err)
 		}
 
 		content = pretty.String()

pkg/es/api.go

@@ -94,7 +94,7 @@ func ApiRepl(conf *cfg.Config) error {
 	})
 
 	if err != nil {
-		return fmt.Errorf("failed to initialize readline lib: %s", err)
+		return fmt.Errorf("failed to initialize readline lib: %w", err)
 	}
 
 	for {
@@ -237,7 +237,7 @@ func CallAPI(conf *cfg.Config, verb, path, data string) ([]byte, error) {
 	// Read and print response
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {
-		return nil, fmt.Errorf("failed to read response body: %s", err)
+		return nil, fmt.Errorf("failed to read response body: %w", err)
 	}
 
 	return body, nil
@@ -261,7 +261,7 @@ func prettyfiJson(conf *cfg.Config, raw []byte) (string, error) {
 	var pretty bytes.Buffer
 	err := json.Indent(&pretty, raw, "", "\t")
 	if err != nil {
-		return "", fmt.Errorf("json parse error: %s", err)
+		return "", fmt.Errorf("json parse error: %w", err)
 	}
 
 	return pretty.String(), nil
@@ -295,7 +295,7 @@ func readJSON(input string) (string, error) {
 	check := map[string]any{}
 	err := json.Unmarshal([]byte(data), &check)
 	if err != nil {
-		return "", fmt.Errorf("error: input data is not proper JSON: %s", err)
+		return "", fmt.Errorf("error: input data is not proper JSON: %w", err)
 
 	}
 

pkg/es/ccr.go

@@ -58,7 +58,7 @@ func CcrStatus(conf *cfg.Config, leader, follower string) error {
 		res, err := conf.Clusters[alias].ES().Cat.Indices().
 			Do(context.Background())
 		if err != nil {
-			return fmt.Errorf("failed to get indicies on %s: %s", alias, esErrorString(err))
+			return fmt.Errorf("failed to get indicies on %s: %w", alias, esErrorString(err))
 		}
 
 		indices[alias] = make(map[string]*types.IndicesRecord, len(res))
@@ -87,7 +87,7 @@ func CcrRemoteInfo(conf *cfg.Config, index string) error {
 	res, err := conf.DefaultCluster.ES().Cluster.RemoteInfo().
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to retrieve follower info: %s", esErrorString(err))
+		return fmt.Errorf("failed to retrieve follower info: %w", esErrorString(err))
 	}
 
 	slog.Debug("ccr remote info", "info", res)
@@ -113,11 +113,11 @@ func CcrRemoteInfo(conf *cfg.Config, index string) error {
 	table := printer.NewTable(conf, 2, 5)
 	table.Addheaders("ccr remote property", "value")
 
-	table.Entries = [][]string{
+	table.Entries = [][]any{
 		{"Remote Cluster", remote},
 		{"CCR Mode", mode},
-		{"Connected", fmt.Sprintf("%t", info.Connected)},
-		{"Num Proxy Sockets Connected", fmt.Sprintf("%d", info.NumProxySocketsConnected)},
+		{"Connected", info.Connected},
+		{"Num Proxy Sockets Connected", info.NumProxySocketsConnected},
 		{"Proxy Address", info.ProxyAddress},
 	}
 

pkg/es/ccr_follower.go

@@ -29,7 +29,7 @@ func getRemoteName(conf *cfg.Config) (string, error) {
 	res, err := conf.DefaultCluster.ES().Cluster.RemoteInfo().
 		Do(context.Background())
 	if err != nil {
-		return "", fmt.Errorf("failed to retrieve follower info: %s", esErrorString(err))
+		return "", fmt.Errorf("failed to retrieve follower info: %w", esErrorString(err))
 	}
 
 	remote := ""
@@ -91,7 +91,7 @@ func CcrFollowerResume(conf *cfg.Config, index string) error {
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to resume ccr following: %s", esErrorString(err))
+		return fmt.Errorf("failed to resume ccr following: %w", esErrorString(err))
 	}
 
 	return nil
@@ -102,7 +102,7 @@ func CcrFollowerPause(conf *cfg.Config, index string) error {
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to pause ccr following: %s", esErrorString(err))
+		return fmt.Errorf("failed to pause ccr following: %w", esErrorString(err))
 	}
 
 	return nil
@@ -113,7 +113,7 @@ func CcrFollowerUnfollow(conf *cfg.Config, index string) error {
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to unfollow index: %s", esErrorString(err))
+		return fmt.Errorf("failed to unfollow index: %w", esErrorString(err))
 	}
 
 	return nil
@@ -136,7 +136,7 @@ func CcrFollowerAdd(conf *cfg.Config, index string) error {
 	_, err = create.Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to create follower index: %s", esErrorString(err))
+		return fmt.Errorf("failed to create follower index: %w", esErrorString(err))
 	}
 
 	return nil
@@ -146,7 +146,7 @@ func CcrFollowerShow(conf *cfg.Config, index string) error {
 	res, err := conf.DefaultCluster.ES().Ccr.FollowStats(index).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to retrieve follower index info: %s", esErrorString(err))
+		return fmt.Errorf("failed to retrieve follower index info: %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "follower stats", res.Indices)
@@ -164,16 +164,16 @@ func CcrFollowerShow(conf *cfg.Config, index string) error {
 	table := printer.NewTable(conf, 2, 9)
 	table.Addheaders("ccr follower property", "value")
 
-	table.Entries = [][]string{
+	table.Entries = [][]any{
 		{"name", index},
 		{"remote_cluster", follower.RemoteCluster},
-		{"leader_checkpoint", fmt.Sprintf("%d", follower.LeaderGlobalCheckpoint)},
-		{"follower_checkpoint", fmt.Sprintf("%d", follower.FollowerGlobalCheckpoint)},
-		{"bytes_read", fmt.Sprintf("%d", follower.BytesRead)},
-		{"failed_read_requests", fmt.Sprintf("%d", follower.FailedReadRequests)},
-		{"failed_write_requests", fmt.Sprintf("%d", follower.FailedWriteRequests)},
-		{"successful_read_requests", fmt.Sprintf("%d", follower.SuccessfulReadRequests)},
-		{"successful_write_requests", fmt.Sprintf("%d", follower.SuccessfulWriteRequests)},
+		{"leader_checkpoint", follower.LeaderGlobalCheckpoint},
+		{"follower_checkpoint", follower.FollowerGlobalCheckpoint},
+		{"bytes_read", follower.BytesRead},
+		{"failed_read_requests", follower.FailedReadRequests},
+		{"failed_write_requests", follower.FailedWriteRequests},
+		{"successful_read_requests", follower.SuccessfulReadRequests},
+		{"successful_write_requests", follower.SuccessfulWriteRequests},
 	}
 
 	if err := table.Print(); err != nil {

pkg/es/cluster.go

@@ -44,16 +44,14 @@ func ClusterList(conf *cfg.Config) error {
 
 	// check endpoints in parallel to speed things up
 	for name, cluster := range conf.Clusters {
-		wg.Add(1)
 
-		go func() {
-			defer wg.Done()
+		wg.Go(func() {
 			online, err := cluster.IsReachable()
 
 			mu.Lock()
 			reachable[name] = clusterReachable{reachable: online, err: err}
 			mu.Unlock()
-		}()
+		})
 	}
 
 	wg.Wait()
@@ -81,7 +79,7 @@ func ClusterList(conf *cfg.Config) error {
 			}
 		}
 
-		table.Entries[idx] = []string{name, cluster.Uri, reachableStr, current, errmsg}
+		table.Entries[idx] = []any{name, cluster.Uri, reachableStr, current, errmsg}
 		idx++
 	}
 
@@ -190,25 +188,25 @@ func ClusterStatus(conf *cfg.Config) error {
 	table := printer.NewTable(conf, 2, 7)
 	table.Addheaders(conf.DefaultCluster.Name, "status")
 
-	table.Entries = [][]string{
+	table.Entries = [][]any{
 		{"Cluster Name", res.health.ClusterName},
 		{"ES Status", printer.Colorize(conf, res.health.Status.Name, res.health.Status.Name)},
 		{"ES Version", res.info.Version.Int},
-		{"Is Leader", fmt.Sprintf("%t", isleader)},
-		{"Active Shards", fmt.Sprintf("%d", res.health.ActiveShards)},
-		{"Active Primary Shards", fmt.Sprintf("%d", res.health.ActivePrimaryShards)},
-		{"Unassigned Shards", fmt.Sprintf("%d", res.health.UnassignedShards)},
-		{"Unassigned Primary Shards", fmt.Sprintf("%d", res.health.UnassignedPrimaryShards)},
-		{"Pending Tasks", fmt.Sprintf("%d", res.health.NumberOfPendingTasks)},
-		{"Nodes", fmt.Sprintf("%d", res.health.NumberOfNodes)},
-		{"Red Indices", fmt.Sprintf("%d", redindices)},
-		{"Long Running Tasks", fmt.Sprintf("%d", longtasks)},
+		{"Is Leader", isleader},
+		{"Active Shards", res.health.ActiveShards},
+		{"Active Primary Shards", res.health.ActivePrimaryShards},
+		{"Unassigned Shards", res.health.UnassignedShards},
+		{"Unassigned Primary Shards", res.health.UnassignedPrimaryShards},
+		{"Pending Tasks", res.health.NumberOfPendingTasks},
+		{"Nodes", res.health.NumberOfNodes},
+		{"Red Indices", redindices},
+		{"Long Running Tasks", longtasks},
 	}
 
 	if !isleader && res.ccr != nil {
-		table.Entries = append(table.Entries, [][]string{
+		table.Entries = append(table.Entries, [][]any{
 			{"AutoFollow (success/failed indices)", ccrfollowing},
-			{"Followed Indices", fmt.Sprintf("%d", len(res.ccr.FollowStats.Indices))},
+			{"Followed Indices", len(res.ccr.FollowStats.Indices)},
 		}...)
 	}
 
@@ -219,15 +217,15 @@ func ClusterStatus(conf *cfg.Config) error {
 	if res.health.Status.Name != "green" {
 		for name, indicator := range res.healthreport.Indicators {
 			if indicator.Status != "green" {
-				table.Entries = append(table.Entries, []string{
+				table.Entries = append(table.Entries, []any{
 					printer.Colorize(conf, indicator.Status, "Bad health "+name), indicator.Symptom,
 				})
 
 				for _, diag := range indicator.Diagnosis {
-					table.Entries = append(table.Entries, []string{" -> cause", diag.Cause})
+					table.Entries = append(table.Entries, []any{" -> cause", diag.Cause})
 
 					for resource, items := range diag.AffectedResources {
-						table.Entries = append(table.Entries, []string{"    -> affected " + resource, strings.Join(items, ",")})
+						table.Entries = append(table.Entries, []any{"    -> affected " + resource, strings.Join(items, ",")})
 					}
 				}
 			}
@@ -255,13 +253,13 @@ func gatherClusterStats(conf *cfg.Config, clusterstats *clusterstats.Response, t
 			clusterstats.Nodes.Jvm.Versions[0].VmVersion}, " ")
 	}
 
-	table.Entries = append(table.Entries, [][]string{
-		{"Indicies", fmt.Sprintf("%d", clusterstats.Indices.Count)},
-		{"Docs", fmt.Sprintf("%d", clusterstats.Indices.Docs.Count)},
-		{"Total Size", humanize.Bytes(uint64(clusterstats.Indices.Docs.TotalSizeInBytes))},
-		{"Total Queries", fmt.Sprintf("%d", querycount)},
-		{"Shards Primaries", fmt.Sprintf("%d", clusterstats.Indices.Shards.Primaries)},
-		{"Shards Total", fmt.Sprintf("%d", clusterstats.Indices.Shards.Total)},
+	table.Entries = append(table.Entries, [][]any{
+		{"Indicies", clusterstats.Indices.Count},
+		{"Docs", clusterstats.Indices.Docs.Count},
+		{"Total Size", printer.Bytes(clusterstats.Indices.Docs.TotalSizeInBytes)},
+		{"Total Queries", "%d", querycount},
+		{"Shards Primaries", clusterstats.Indices.Shards.Primaries},
+		{"Shards Total", clusterstats.Indices.Shards.Total},
 		{"Storage", fmt.Sprintf(
 			"%s/%s",
 			humanize.Bytes(uint64(clusterstats.Indices.Store.SizeInBytes)),
@@ -272,11 +270,11 @@ func gatherClusterStats(conf *cfg.Config, clusterstats *clusterstats.Response, t
 			humanize.Bytes(uint64(clusterstats.Nodes.Jvm.Mem.HeapUsedInBytes)),
 			humanize.Bytes(uint64(clusterstats.Nodes.Jvm.Mem.HeapMaxInBytes)),
 		)},
-		{"JVM Threads", fmt.Sprintf("%d", clusterstats.Nodes.Jvm.Threads)},
+		{"JVM Threads", clusterstats.Nodes.Jvm.Threads},
 		{"JVM Version", vmversion},
-		{"CPUs", fmt.Sprintf("%d", clusterstats.Nodes.Os.AllocatedProcessors)},
+		{"CPUs", clusterstats.Nodes.Os.AllocatedProcessors},
 		{"CPU Usage", fmt.Sprintf("%d%%", clusterstats.Nodes.Process.Cpu.Percent)},
-		{"Open FDs", fmt.Sprintf("%d", clusterstats.Nodes.Process.OpenFileDescriptors.Avg)},
+		{"Open FDs", clusterstats.Nodes.Process.OpenFileDescriptors.Avg},
 	}...)
 
 	return table

pkg/es/cluster_settings.go

@@ -35,12 +35,12 @@ func ClusterSettingsList(conf *cfg.Config) error {
 		FlatSettings(true).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get cluster settings: %s", esErrorString(err))
+		return fmt.Errorf("failed to get cluster settings: %w", esErrorString(err))
 	}
 
 	table := printer.NewTable(conf, 2, 0)
 	table.Addheaders("setting", "value")
-	entries := [][]string{}
+	entries := [][]any{}
 
 	settingshash := res.Persistent // == map[string]json.RawMessage
 
@@ -52,7 +52,7 @@ func ClusterSettingsList(conf *cfg.Config) error {
 	}
 
 	for topic, val := range settingshash {
-		entries = append(entries, []string{topic, string(val)})
+		entries = append(entries, []any{topic, string(val)})
 	}
 
 	table.Entries = entries
@@ -75,7 +75,7 @@ func ClusterSettingsSet(conf *cfg.Config, args cli.Args) error {
 		case conf.Transient:
 			message, err := json.Marshal(value)
 			if err != nil {
-				return fmt.Errorf("failed to marshall transient value <%v> to valid JSON: %s", value, err)
+				return fmt.Errorf("failed to marshall transient value <%v> to valid JSON: %w", value, err)
 			}
 			put.AddTransient(setting, message)
 		case conf.Persistent:
@@ -83,7 +83,7 @@ func ClusterSettingsSet(conf *cfg.Config, args cli.Args) error {
 		default:
 			message, err := json.Marshal(value)
 			if err != nil {
-				return fmt.Errorf("failed to marshall persistent value <%v> to valid JSON: %s", value, err)
+				return fmt.Errorf("failed to marshall persistent value <%v> to valid JSON: %w", value, err)
 			}
 			put.AddPersistent(setting, message)
 		}
@@ -91,7 +91,7 @@ func ClusterSettingsSet(conf *cfg.Config, args cli.Args) error {
 
 	_, err := put.Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to set settings: %s", esErrorString(err))
+		return fmt.Errorf("failed to set settings: %w", esErrorString(err))
 	}
 
 	return nil
@@ -100,7 +100,7 @@ func ClusterSettingsSet(conf *cfg.Config, args cli.Args) error {
 func ClusterSettingsSetSingle(conf *cfg.Config, setting, value string) error {
 	message, err := json.Marshal(value)
 	if err != nil {
-		return fmt.Errorf("failed to marshall persistent value <%v> to valid JSON: %s", value, err)
+		return fmt.Errorf("failed to marshall persistent value <%v> to valid JSON: %w", value, err)
 	}
 
 	_, err = conf.DefaultCluster.ES().Cluster.PutSettings().
@@ -108,7 +108,7 @@ func ClusterSettingsSetSingle(conf *cfg.Config, setting, value string) error {
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to set %s: %s", setting, esErrorString(err))
+		return fmt.Errorf("failed to set %s: %w", setting, esErrorString(err))
 	}
 
 	return nil

pkg/es/cluster_util.go

@@ -72,27 +72,27 @@ func checkClusterStatus(conf *cfg.Config, leader, follower string) bool {
 
 	table.Addheaders("setting", "leader:"+leader, "follower:"+follower)
 
-	table.Entries = [][]string{
+	table.Entries = [][]any{
 		{"Cluster Name", status[leader].ClusterName, status[follower].ClusterName},
 		{"Cluster Status",
 			printer.Colorize(conf, status[leader].Status.Name, status[leader].Status.Name),
 			printer.Colorize(conf, status[follower].Status.Name, status[follower].Status.Name),
 		},
 		{"Active Shards",
-			fmt.Sprintf("%d", status[leader].ActiveShards),
-			fmt.Sprintf("%d", status[follower].ActiveShards),
+			status[leader].ActiveShards,
+			status[follower].ActiveShards,
 		},
 		{"Active Primary Shards",
-			fmt.Sprintf("%d", status[leader].ActivePrimaryShards),
-			fmt.Sprintf("%d", status[follower].ActivePrimaryShards),
+			status[leader].ActivePrimaryShards,
+			status[follower].ActivePrimaryShards,
 		},
 		{"Indicies",
-			fmt.Sprintf("%d", len(status[leader].Indices)),
-			fmt.Sprintf("%d", len(status[follower].Indices)),
+			len(status[leader].Indices),
+			len(status[follower].Indices),
 		},
 		{"Nodes",
-			fmt.Sprintf("%d", status[leader].NumberOfNodes),
-			fmt.Sprintf("%d", status[follower].NumberOfNodes),
+			status[leader].NumberOfNodes,
+			status[follower].NumberOfNodes,
 		},
 	}
 
@@ -112,7 +112,7 @@ func checkClusterStatus(conf *cfg.Config, leader, follower string) bool {
 
 // finds indices on both clusters which have ilm errors
 func findIlmErrors(conf *cfg.Config, leader, follower string) bool {
-	failed := map[string]map[string]string{}
+	failed := map[string]map[string]any{}
 
 	for _, cluster := range []string{leader, follower} {
 		ilm, err := conf.Clusters[cluster].ES().Ilm.ExplainLifecycle("_all").
@@ -123,13 +123,13 @@ func findIlmErrors(conf *cfg.Config, leader, follower string) bool {
 			return false
 		}
 
-		failed[cluster] = map[string]string{}
+		failed[cluster] = map[string]any{}
 
 		for name, ilmstate := range ilm.Indices {
 			count := ilmstate.(*types.LifecycleExplainManaged).FailedStepRetryCount
 
 			if count != nil && *count > 0 {
-				failed[cluster][name] = fmt.Sprintf("%d", *count)
+				failed[cluster][name] = *count
 			}
 		}
 	}
@@ -150,7 +150,7 @@ func findIlmErrors(conf *cfg.Config, leader, follower string) bool {
 			table.Addheaders("ilm errors on "+which, "errors")
 
 			for name, count := range failed[cluster] {
-				table.Entries[idx] = []string{name, count}
+				table.Entries[idx] = []any{name, count}
 				idx++
 			}
 
@@ -222,7 +222,7 @@ func findIndicesOnlyOnLeader(conf *cfg.Config, indices ClusterIndices, leader, f
 	for name, index := range indexOnlyOnLeader {
 		name := printer.Colorize(conf, "red", name)
 
-		table.Entries[idx] = []string{name, *index.DatasetSize, *index.DocsCount}
+		table.Entries[idx] = []any{name, *index.DatasetSize, *index.DocsCount}
 		idx++
 	}
 
@@ -270,7 +270,7 @@ func findOrphanedIndices(conf *cfg.Config, indices ClusterIndices, leader, follo
 	for name, index := range orphaned {
 		name := printer.Colorize(conf, "red", name)
 
-		table.Entries[idx] = []string{name, *index.DatasetSize, *index.DocsCount}
+		table.Entries[idx] = []any{name, *index.DatasetSize, *index.DocsCount}
 		idx++
 	}
 
@@ -304,7 +304,7 @@ func findFailedFollowerIndices(conf *cfg.Config, indices ClusterIndices, followe
 	for name, index := range red {
 		name := printer.Colorize(conf, "red", name)
 
-		table.Entries[idx] = []string{name, *index.DatasetSize, *index.DocsCount}
+		table.Entries[idx] = []any{name, *index.DatasetSize, *index.DocsCount}
 		idx++
 	}
 

pkg/es/datastream.go

@@ -25,7 +25,6 @@ import (
 
 	"codeberg.org/scip/esctl/pkg/cfg"
 	"codeberg.org/scip/esctl/pkg/printer"
-	"github.com/dustin/go-humanize"
 	"github.com/elastic/go-elasticsearch/v9/typedapi/types"
 )
 
@@ -33,7 +32,7 @@ func DatastreamNames(conf *cfg.Config) ([]string, error) {
 	res, err := conf.DefaultCluster.ES().Indices.GetDataStream().
 		Do(context.Background())
 	if err != nil {
-		return nil, fmt.Errorf("failed to get data streams: %s", esErrorString(err))
+		return nil, fmt.Errorf("failed to get data streams: %w", esErrorString(err))
 	}
 
 	dss := make([]string, len(res.DataStreams))
@@ -48,7 +47,7 @@ func DatastreamList(conf *cfg.Config) error {
 	res, err := conf.DefaultCluster.ES().Indices.GetDataStream().
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get data streams: %s", esErrorString(err))
+		return fmt.Errorf("failed to get data streams: %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "data streams", res)
@@ -73,13 +72,13 @@ func DatastreamList(conf *cfg.Config) error {
 			policy = *ds.IlmPolicy
 		}
 
-		table.Entries[idx] = []string{
+		table.Entries[idx] = []any{
 			name,
 			policy,
-			fmt.Sprintf("%t", ds.Hidden),
-			fmt.Sprintf("%t", *ds.System),
-			fmt.Sprintf("%t", *ds.Replicated),
-			fmt.Sprintf("%d", ds.Generation),
+			ds.Hidden,
+			*ds.System,
+			*ds.Replicated,
+			ds.Generation,
 			ds.TimestampField.Name,
 		}
 
@@ -129,7 +128,7 @@ func DatastreamShow(conf *cfg.Config, dsname string) error {
 		Name(dsname).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get data stream: %s", esErrorString(err))
+		return fmt.Errorf("failed to get data stream: %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "data stream", res)
@@ -142,7 +141,7 @@ func DatastreamShow(conf *cfg.Config, dsname string) error {
 		Name(dsname).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get data stream stats: %s", esErrorString(err))
+		return fmt.Errorf("failed to get data stream stats: %w", esErrorString(err))
 	}
 
 	table := printer.NewTable(conf, 11, 2)
@@ -156,18 +155,18 @@ func DatastreamShow(conf *cfg.Config, dsname string) error {
 		policy = *ds.IlmPolicy
 	}
 
-	table.Entries = [][]string{
+	table.Entries = [][]any{
 		{"name", name},
 		{"ilm policy", policy},
-		{"hidden", fmt.Sprintf("%t", ds.Hidden)},
-		{"system", fmt.Sprintf("%t", *ds.System)},
-		{"replicated", fmt.Sprintf("%t", *ds.Replicated)},
-		{"generation", fmt.Sprintf("%d", ds.Generation)},
+		{"hidden", ds.Hidden},
+		{"system", *ds.System},
+		{"replicated", *ds.Replicated},
+		{"generation", ds.Generation},
 		{"timestamp field", ds.TimestampField.Name},
-		{"backing indices", fmt.Sprintf("%d", stats.BackingIndices)},
-		{"size", humanize.Bytes(uint64(stats.TotalStoreSizeBytes))},
-		{"shards-failed", fmt.Sprintf("%d", stats.Shards_.Failed)},
-		{"shards-successful", fmt.Sprintf("%d", stats.Shards_.Successful)},
+		{"backing indices", stats.BackingIndices},
+		{"size", printer.Bytes(stats.TotalStoreSizeBytes)},
+		{"shards-failed", stats.Shards_.Failed},
+		{"shards-successful", stats.Shards_.Successful},
 	}
 
 	if err := table.Print(); err != nil {
@@ -183,10 +182,10 @@ func DatastreamShow(conf *cfg.Config, dsname string) error {
 			policy = *ds.IlmPolicy
 		}
 
-		table.Entries[idx] = []string{
+		table.Entries[idx] = []any{
 			index.IndexName,
 			index.IndexUuid,
-			fmt.Sprintf("%t", *index.PreferIlm),
+			*index.PreferIlm,
 			policy,
 			index.ManagedBy.Name,
 		}
@@ -209,7 +208,7 @@ func DatastreamCreate(conf *cfg.Config, dsname string) error {
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to create datastream: %s", esErrorString(err))
+		return fmt.Errorf("failed to create datastream: %w", esErrorString(err))
 	}
 
 	return nil
@@ -220,7 +219,7 @@ func DatastreamDelete(conf *cfg.Config, dsname string) error {
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to delete datastream: %s", esErrorString(err))
+		return fmt.Errorf("failed to delete datastream: %w", esErrorString(err))
 	}
 
 	return nil
@@ -230,15 +229,15 @@ func DatastreamRollover(conf *cfg.Config, ds string) error {
 	res, err := RolloverAlias(conf, ds)
 
 	if err != nil {
-		return fmt.Errorf("failed to rollover data stream: %s", esErrorString(err))
+		return fmt.Errorf("failed to rollover data stream: %w", esErrorString(err))
 	}
 
 	table := printer.NewTable(conf, 2, 5)
 	table.Addheaders("rollover response", "value")
-	table.Entries = [][]string{
-		{"acknowledged", fmt.Sprintf("%t", res.Acknowledged)},
-		{"rolled over", fmt.Sprintf("%t", res.RolledOver)},
-		{"shards acknowledged", fmt.Sprintf("%t", res.ShardsAcknowledged)},
+	table.Entries = [][]any{
+		{"acknowledged", res.Acknowledged},
+		{"rolled over", res.RolledOver},
+		{"shards acknowledged", res.ShardsAcknowledged},
 		{"old index", res.OldIndex},
 		{"new index", res.NewIndex},
 	}

pkg/es/doc.go

@@ -42,7 +42,7 @@ func DocAdd(conf *cfg.Config, jsondoc string) error {
 
 	err := json.Unmarshal([]byte(jsondoc), &data)
 	if err != nil {
-		return fmt.Errorf("supplied document was not valid JSON: %s", err)
+		return fmt.Errorf("supplied document was not valid JSON: %w", err)
 	}
 
 	now := fmt.Sprintf("%d", rand.Int64())
@@ -51,7 +51,7 @@ func DocAdd(conf *cfg.Config, jsondoc string) error {
 		Document(data).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to create new doc in index %s: %s", conf.Index, esErrorString(err))
+		return fmt.Errorf("failed to create new doc in index %s: %w", conf.Index, esErrorString(err))
 	}
 
 	fmt.Println(res.Id_)
@@ -63,7 +63,7 @@ func DocShow(conf *cfg.Config, id string) error {
 	res, err := conf.DefaultCluster.ES().Get(conf.Index, id).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to retrieve doc in index %s: %s", conf.Index, esErrorString(err))
+		return fmt.Errorf("failed to retrieve doc in index %s: %w", conf.Index, esErrorString(err))
 	}
 
 	if !res.Found {
@@ -94,7 +94,7 @@ func DocDelete(conf *cfg.Config, queries []string) error {
 		_, err := conf.DefaultCluster.ES().Delete(conf.Index, id).
 			Do(context.Background())
 		if err != nil {
-			return fmt.Errorf("failed to delete doc in index %s: %s", conf.Index, esErrorString(err))
+			return fmt.Errorf("failed to delete doc in index %s: %w", conf.Index, esErrorString(err))
 		}
 
 		return nil
@@ -117,7 +117,7 @@ func DocDelete(conf *cfg.Config, queries []string) error {
 		Request(req).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to delete docs in index %s: %s", conf.Index, esErrorString(err))
+		return fmt.Errorf("failed to delete docs in index %s: %w", conf.Index, esErrorString(err))
 	}
 
 	return nil

pkg/es/errors.go

@@ -17,29 +17,33 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 package es
 
 import (
+	"errors"
 	"fmt"
+	"strings"
 
 	"github.com/elastic/go-elasticsearch/v9/typedapi/types"
 )
 
-func esErrorString(err error) string {
+func esErrorString(err error) error {
 	msg := err.Error()
 
 	switch e := err.(type) {
 	case *types.ElasticsearchError:
-		causes := ""
+		var causes strings.Builder
 
 		for _, cause := range e.ErrorCause.RootCause {
-			causes += fmt.Sprintf("%s\n", *cause.Reason)
+			// FIXME: re-activate linter here, see https://github.com/golangci/golangci-lint/issues/6662
+			//nolint:staticcheck
+			causes.WriteString(fmt.Sprintf("%s\n", *cause.Reason))
 		}
 
 		if e.ErrorCause.Reason != nil {
-			msg = *e.ErrorCause.Reason + ": " + causes
+			msg = *e.ErrorCause.Reason + ": " + causes.String()
 		} else {
 			msg = fmt.Sprintf("http status %d: ", e.Status)
 		}
 
 	}
 
-	return msg
+	return errors.New(msg)
 }

pkg/es/ilm.go

@@ -37,7 +37,7 @@ func IlmRetry(conf *cfg.Config, index string) error {
 	_, err := conf.DefaultCluster.ES().Ilm.Retry(index).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to retry ilm: %s", esErrorString(err))
+		return fmt.Errorf("failed to retry ilm: %w", esErrorString(err))
 	}
 
 	return nil
@@ -47,7 +47,7 @@ func IlmStatus(conf *cfg.Config) error {
 	res, err := conf.DefaultCluster.ES().Ilm.GetStatus().
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get ilm status: %s", esErrorString(err))
+		return fmt.Errorf("failed to get ilm status: %w", esErrorString(err))
 	}
 
 	fmt.Println(res.OperationMode.Name)
@@ -59,7 +59,7 @@ func IlmNames(conf *cfg.Config) ([]string, error) {
 	res, err := conf.DefaultCluster.ES().Ilm.GetLifecycle().
 		Do(context.Background())
 	if err != nil {
-		return nil, fmt.Errorf("failed to get ilm policies: %s", esErrorString(err))
+		return nil, fmt.Errorf("failed to get ilm policies: %w", esErrorString(err))
 	}
 
 	names := make([]string, len(res))
@@ -82,7 +82,7 @@ func IlmList(conf *cfg.Config, pattern string) error {
 
 	res, err := ilm.Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get ilm policies: %s", esErrorString(err))
+		return fmt.Errorf("failed to get ilm policies: %w", esErrorString(err))
 	}
 
 	if conf.Debug {
@@ -110,7 +110,7 @@ func IlmShow(conf *cfg.Config, policy string) error {
 		Policy(policy).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get ilm status: %s", esErrorString(err))
+		return fmt.Errorf("failed to get ilm status: %w", esErrorString(err))
 	}
 
 	if conf.Debug {
@@ -129,7 +129,7 @@ func IlmShow(conf *cfg.Config, policy string) error {
 	table := printer.NewTable(conf, 2, 5)
 	table.Addheaders("ilm policy setting", "value")
 
-	table.Entries = [][]string{
+	table.Entries = [][]any{
 		{"policy", policy},
 		{"hot phase", ilmPhaseString(ilm.Policy.Phases.Hot, false)},
 		{"warm phase", ilmPhaseString(ilm.Policy.Phases.Warm, false)},
@@ -270,7 +270,7 @@ func IlmExplain(conf *cfg.Config, index string) error {
 	res, err := conf.DefaultCluster.ES().Ilm.ExplainLifecycle(index).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get ilm state: %s", esErrorString(err))
+		return fmt.Errorf("failed to get ilm state: %w", esErrorString(err))
 	}
 
 	slog.Debug("ilm status", "ilm", res)
@@ -291,17 +291,17 @@ func IlmExplain(conf *cfg.Config, index string) error {
 		return fmt.Errorf("failed to unmarshal step info: %w", err)
 	}
 
-	table.Entries = [][]string{
+	table.Entries = [][]any{
 		{"index", ilm.Index},
 		{"ilm policy", *ilm.Policy},
 		{"action", *ilm.Action},
-		{"age", fmt.Sprintf("%s", ilm.Age)},
-		{"managed", fmt.Sprintf("%t", ilm.Managed)},
+		{"age", ilm.Age},
+		{"managed", ilm.Managed},
 		{"phase", *ilm.Phase},
 		{"phase execution", ilmPhaseString(ilm.PhaseExecution.PhaseDefinition, false)},
 		{"step", *ilm.Step},
 		{"failed step", *ilm.FailedStep},
-		{"failed step retry count", fmt.Sprintf("%d", ilm.FailedStepRetryCount)},
+		{"failed step retry count", ilm.FailedStepRetryCount},
 	}
 
 	if err := table.Print(); err != nil {
@@ -523,7 +523,7 @@ func IlmCreate(conf *cfg.Config, policyname string) error {
 
 	_, err = ilm.Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed create ilm policy: %s", esErrorString(err))
+		return fmt.Errorf("failed create ilm policy: %w", esErrorString(err))
 	}
 
 	return nil

pkg/es/ilm_forecast.go

@@ -119,13 +119,13 @@ func IlmForecastList(conf *cfg.Config, filter string) error {
 
 		virtualAge := virtualAge(&phase)
 
-		row := []string{
+		row := []any{
 			phase.index,
-			humanize.Bytes(uint64(phase.size)),
+			printer.Bytes(phase.size),
 			formatDuration(phase.age),
 			formatDuration(virtualAge),
 			formatDuration(phase.minage),
-			humanize.Bytes(uint64(phase.minsize)),
+			printer.Bytes(phase.minsize),
 			phase.currentPhase,
 			phase.nextPhase,
 		}
@@ -157,11 +157,7 @@ func IlmForecastShow(conf *cfg.Config) error {
 	var toBeFreed int64 = 0
 
 	for _, phase := range phaseData {
-		age := virtualAge(&phase)
-
-		if age < phase.age {
-			age = phase.age
-		}
+		age := max(virtualAge(&phase), phase.age)
 
 		if age+within >= phase.minage {
 			toBeFreed += phase.size
@@ -200,7 +196,7 @@ func getIlmPhaseData(conf *cfg.Config) ([]PhaseData, error) {
 	var indicesres *indices.Response
 	var ilmpolicies getlifecycle.Response
 
-	for i := 0; i < 3; i++ {
+	for range 3 {
 		r := <-responses
 
 		if r.error != nil {

pkg/es/index.go

@@ -39,7 +39,7 @@ func IndexNames(conf *cfg.Config) ([]string, error) {
 		Do(context.Background())
 
 	if err != nil {
-		return nil, fmt.Errorf("failed to get indicies: %s", esErrorString(err))
+		return nil, fmt.Errorf("failed to get indicies: %w", esErrorString(err))
 	}
 
 	indices := make([]string, len(res))
@@ -97,7 +97,7 @@ func IndexList(conf *cfg.Config) error {
 
 	res, err := cat.Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get indicies: %s", esErrorString(err))
+		return fmt.Errorf("failed to get indicies: %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "indicies", res)
@@ -118,7 +118,7 @@ func IndexList(conf *cfg.Config) error {
 	for idx, index := range list {
 		name := printer.Colorize(conf, *index.Health, *index.Index)
 
-		table.Entries[idx] = []string{name, *index.DatasetSize, *index.DocsCount}
+		table.Entries[idx] = []any{name, *index.DatasetSize, *index.DocsCount}
 
 		if idx == size-1 {
 			break
@@ -133,7 +133,7 @@ func IndexShow(conf *cfg.Config, indexpattern string) error {
 	res, err := conf.DefaultCluster.ES().Indices.Get(indexpattern).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get index: %s", esErrorString(err))
+		return fmt.Errorf("failed to get index: %w", esErrorString(err))
 	}
 
 	slog.Debug("index show", "index", res)
@@ -156,18 +156,18 @@ func IndexShow(conf *cfg.Config, indexpattern string) error {
 
 		created := time.Unix(ts/1000, 0)
 
-		table.Entries = [][]string{
+		table.Entries = [][]any{
 			{"name", name},
 			{"replicas", *index.Settings.Index.NumberOfReplicas},
 			{"shards", *index.Settings.Index.NumberOfShards},
-			{"created", created.Format("2006-01-02 15:04:05")},
+			{"created", created},
 			{"uuid", *index.Settings.Index.Uuid},
 			{"version", *index.Settings.Index.Version.Created},
-			{"fields", strings.Join(fields, ",")},
+			{"fields", fields},
 		}
 
 		if index.Settings.Index.Lifecycle != nil {
-			table.Entries = append(table.Entries, [][]string{
+			table.Entries = append(table.Entries, [][]any{
 				{"ilm policy", *index.Settings.Index.Lifecycle.Name},
 				{"ilm rollover alias", *index.Settings.Index.Lifecycle.RolloverAlias},
 			}...)
@@ -234,7 +234,7 @@ func IndexCreate(conf *cfg.Config, index string, mappings []string) error {
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to create index: %s", esErrorString(err))
+		return fmt.Errorf("failed to create index: %w", esErrorString(err))
 	}
 
 	return nil
@@ -244,7 +244,7 @@ func IndexDelete(conf *cfg.Config, index string) error {
 	_, err := conf.DefaultCluster.ES().Indices.Delete(index).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to delete index: %s", esErrorString(err))
+		return fmt.Errorf("failed to delete index: %w", esErrorString(err))
 	}
 
 	return nil
@@ -255,77 +255,19 @@ func IndexClose(conf *cfg.Config, index string) error {
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to close index: %s", esErrorString(err))
+		return fmt.Errorf("failed to close index: %w", esErrorString(err))
 	}
 
 	return nil
 }
 
-func IndexAllocation(conf *cfg.Config, index string) error {
-	res, err := conf.DefaultCluster.ES().Cluster.AllocationExplain().
-		Index(index).
-		Primary(conf.Primary).
-		Shard(conf.Shards).
-		Do(context.Background())
-	if err != nil {
-		return fmt.Errorf("failed to get index allocation explain: %s", esErrorString(err))
-	}
-
-	slog.Debug("ES result", "index", res)
-
-	currentNode := res.CurrentNode
-
-	table := printer.NewTable(conf, 2, 10)
-	table.Addheaders("index allocation setting", "value")
-
-	roles := make([]string, len(currentNode.Roles))
-	for idx, role := range currentNode.Roles {
-		roles[idx] = role.Name
-	}
-
-	table.Entries = [][]string{
-		{"Index", index},
-		{"Current node", currentNode.Name},
-		{"Current k8s node", currentNode.Attributes["k8s_node_name"]},
-		{"Current node address", currentNode.TransportAddress},
-		{"Current node id", currentNode.Id},
-		{"Current node weight", fmt.Sprintf("%d", currentNode.WeightRanking)},
-		{"Current node roles", strings.Join(roles, ",")},
-		{"Can rebalance cluster", res.CanRebalanceCluster.Name},
-		{"Can rebalance to another node", res.CanRebalanceToOtherNode.Name},
-		{"Can remain on current node", res.CanRemainOnCurrentNode.Name},
-	}
-
-	if err := table.Print(); err != nil {
-		return err
-	}
-
-	return nil
-}
-
-/*
-func IndexModify(conf *cfg.Config, index string) error {
-	settings := esdsl.NewIndexSettings().NumberOfReplicas(strconv.Itoa(conf.Replicas))
-
-	_, err := conf.DefaultCluster.ES().Indices.PutSettings().
-		Indices(index).
-		Index(settings).
-		Do(context.Background())
-	if err != nil {
-		return fmt.Errorf("failed to modify index settings: %s", esErrorString(err))
-	}
-
-	return nil
-}
-*/
-
 func IndexFields(conf *cfg.Config, index string) error {
 	res, err := conf.DefaultCluster.ES().FieldCaps().
 		Index(index).
 		Fields("*").
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to retrieve field capabilties: %s", esErrorString(err))
+		return fmt.Errorf("failed to retrieve field capabilties: %w", esErrorString(err))
 	}
 
 	table := printer.NewTable(conf, 5, 0)
@@ -344,10 +286,11 @@ func IndexFields(conf *cfg.Config, index string) error {
 				continue
 			}
 
-			table.Entries = append(table.Entries, []string{name, fieldtype,
-				fmt.Sprintf("%t", caps.Searchable),
-				fmt.Sprintf("%t", caps.Aggregatable),
-				fmt.Sprintf("%t", *caps.MetadataField)})
+			table.AddRow(name, fieldtype,
+				caps.Searchable,
+				caps.Aggregatable,
+				*caps.MetadataField)
+
 			break
 		}
 

pkg/es/index_alias.go

@@ -35,7 +35,7 @@ func IndexAliasCreate(conf *cfg.Config, index, alias string) error {
 	slog.Debug("create alias", "result", res)
 
 	if err != nil {
-		return fmt.Errorf("failed to create index alias: %s", esErrorString(err))
+		return fmt.Errorf("failed to create index alias: %w", esErrorString(err))
 	}
 
 	return nil
@@ -54,7 +54,7 @@ func IndexAliasList(conf *cfg.Config) error {
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to list index aliases: %s", esErrorString(err))
+		return fmt.Errorf("failed to list index aliases: %w", esErrorString(err))
 	}
 
 	slog.Debug("aliases list", "result", res)
@@ -78,7 +78,7 @@ func IndexAliasList(conf *cfg.Config) error {
 
 	idx := 0
 	for index, aliases := range aliaslist {
-		table.Entries[idx] = []string{
+		table.Entries[idx] = []any{
 			index,
 			strings.Join(aliases, ","),
 		}
@@ -102,7 +102,7 @@ func IndexAliasDelete(conf *cfg.Config, index, alias string) error {
 	slog.Debug("delete alias", "result", res)
 
 	if err != nil {
-		return fmt.Errorf("failed to delete index alias: %s", esErrorString(err))
+		return fmt.Errorf("failed to delete index alias: %w", esErrorString(err))
 	}
 
 	return nil
@@ -112,15 +112,15 @@ func IndexAliasRollover(conf *cfg.Config, alias string) error {
 	res, err := RolloverAlias(conf, alias)
 
 	if err != nil {
-		return fmt.Errorf("failed to rollover index alias: %s", esErrorString(err))
+		return fmt.Errorf("failed to rollover index alias: %w", esErrorString(err))
 	}
 
 	table := printer.NewTable(conf, 2, 5)
 	table.Addheaders("rollover response", "value")
-	table.Entries = [][]string{
-		{"acknowledged", fmt.Sprintf("%t", res.Acknowledged)},
-		{"rolled over", fmt.Sprintf("%t", res.RolledOver)},
-		{"shards acknowledged", fmt.Sprintf("%t", res.ShardsAcknowledged)},
+	table.Entries = [][]any{
+		{"acknowledged", res.Acknowledged},
+		{"rolled over", res.RolledOver},
+		{"shards acknowledged", res.ShardsAcknowledged},
 		{"old index", res.OldIndex},
 		{"new index", res.NewIndex},
 	}

pkg/es/index_template.go

@@ -22,6 +22,7 @@ import (
 	"errors"
 	"fmt"
 	"log/slog"
+	"maps"
 	"strconv"
 	"strings"
 
@@ -37,7 +38,7 @@ func IndexTemplateList(conf *cfg.Config) error {
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to get index templates: %s", esErrorString(err))
+		return fmt.Errorf("failed to get index templates: %w", esErrorString(err))
 	}
 
 	slog.Debug("res", "index templates", res)
@@ -51,11 +52,7 @@ func IndexTemplateList(conf *cfg.Config) error {
 			return fmt.Errorf("failed to unmarshal meta json data: %w", err)
 		}
 
-		table.Entries[idx] = []string{
-			tpl.Name,
-			string(desc),
-			fmt.Sprintf("%d", tpl.IndexTemplate.Priority),
-		}
+		table.Entries[idx] = []any{tpl.Name, desc, tpl.IndexTemplate.Priority}
 	}
 
 	table.Sort()
@@ -68,7 +65,7 @@ func IndexTemplateShow(conf *cfg.Config, tplname string) error {
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to get index template: %s", esErrorString(err))
+		return fmt.Errorf("failed to get index template: %w", esErrorString(err))
 	}
 
 	slog.Debug("res", "index template", res)
@@ -94,13 +91,13 @@ func IndexTemplateShow(conf *cfg.Config, tplname string) error {
 		aliases = append(aliases, alias)
 	}
 
-	table.Entries = [][]string{
+	table.Entries = [][]any{
 		{"name", tpl.Name},
-		{"description", string(desc)},
-		{"index patterns", strings.Join(tpl.IndexTemplate.IndexPatterns, ",")},
-		{"composed of", strings.Join(tpl.IndexTemplate.ComposedOf, ",")},
-		{"data stream enabled", fmt.Sprintf("%t", hasds)},
-		{"aliases", strings.Join(aliases, ",")},
+		{"description", desc},
+		{"index patterns", tpl.IndexTemplate.IndexPatterns},
+		{"composed of", tpl.IndexTemplate.ComposedOf},
+		{"data stream enabled", hasds},
+		{"aliases", aliases},
 	}
 
 	if err := table.Print(); err != nil {
@@ -136,9 +133,7 @@ func IndexTemplateShow(conf *cfg.Config, tplname string) error {
 				typeval = val.Type
 			}
 
-			table.Entries = append(table.Entries, []string{
-				name, typeval,
-			})
+			table.AddRow(name, typeval)
 		}
 
 		fmt.Println()
@@ -231,7 +226,7 @@ func IndexTemplateCreate(conf *cfg.Config, name string, mappings []string) error
 	_, err := create.Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to create index template: %s", esErrorString(err))
+		return fmt.Errorf("failed to create index template: %w", esErrorString(err))
 	}
 
 	return nil
@@ -248,7 +243,7 @@ func IndexTemplateModify(conf *cfg.Config, name string, mappings []string) error
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to get index template: %s", esErrorString(err))
+		return fmt.Errorf("failed to get index template: %w", esErrorString(err))
 	}
 
 	slog.Debug("res", "index template", res)
@@ -342,7 +337,7 @@ func IndexTemplateModify(conf *cfg.Config, name string, mappings []string) error
 	_, err = modify.Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to modify index template: %s", esErrorString(err))
+		return fmt.Errorf("failed to modify index template: %w", esErrorString(err))
 	}
 
 	if conf.Rollover {
@@ -358,7 +353,7 @@ func IndexTemplateDelete(conf *cfg.Config, name string) error {
 	_, err := conf.DefaultCluster.ES().Indices.DeleteIndexTemplate(name).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to delete index template: %s", esErrorString(err))
+		return fmt.Errorf("failed to delete index template: %w", esErrorString(err))
 	}
 
 	return nil
@@ -373,7 +368,7 @@ func rolloverAliasIndexTemplate(conf *cfg.Config, name string) error {
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to get index template: %s", esErrorString(err))
+		return fmt.Errorf("failed to get index template: %w", esErrorString(err))
 	}
 
 	slog.Debug("res", "index template", res)
@@ -390,7 +385,7 @@ func rolloverAliasIndexTemplate(conf *cfg.Config, name string) error {
 		res, err := conf.DefaultCluster.ES().Indices.ResolveIndex(pattern).
 			Do(context.Background())
 		if err != nil {
-			return fmt.Errorf("failed to resolve index pattern: %s", esErrorString(err))
+			return fmt.Errorf("failed to resolve index pattern: %w", esErrorString(err))
 		}
 
 		for _, index := range res.Indices {
@@ -414,12 +409,7 @@ func rolloverAliasIndexTemplate(conf *cfg.Config, name string) error {
 			return err
 		}
 
-		table.Entries = append(table.Entries, []string{
-			alias,
-			fmt.Sprintf("%t", res.RolledOver),
-			fmt.Sprintf("%t", res.Acknowledged),
-			res.NewIndex,
-		})
+		table.AddRow(alias, res.RolledOver, res.Acknowledged, res.NewIndex)
 
 		if err := table.Print(); err != nil {
 			return err
@@ -459,9 +449,7 @@ func modMappings(mappings []string) (types.TypeMappingVariant, error) {
 func modMeta(conf *cfg.Config, meta types.Metadata) (map[string]json.RawMessage, error) {
 	metadata := map[string]json.RawMessage{}
 
-	for key, value := range meta {
-		metadata[key] = value
-	}
+	maps.Copy(metadata, meta)
 
 	for _, meta := range conf.Meta {
 		parts := strings.Split(meta, ":")

pkg/es/index_template_settings.go

@@ -52,7 +52,7 @@ func getIndexTemplateSettings(conf *cfg.Config, tplname string, table *printer.T
 
 	tpl := data.IndexTemplates[0].IndexTemplate.Template.Settings
 	for topic, val := range tpl {
-		table.Entries = append(table.Entries, []string{topic, fmt.Sprintf("%v", val)})
+		table.AddRow(topic, val)
 	}
 
 	return nil

pkg/es/license.go

@@ -29,7 +29,7 @@ func LicenseShow(conf *cfg.Config) error {
 	res, err := conf.DefaultCluster.ES().License.Get().
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get license: %s", esErrorString(err))
+		return fmt.Errorf("failed to get license: %w", esErrorString(err))
 	}
 
 	slog.Debug("license show", "license", res)
@@ -54,11 +54,11 @@ func LicenseShow(conf *cfg.Config) error {
 		maxunits = fmt.Sprintf("%d", *lic.MaxResourceUnits)
 	}
 
-	table.Entries = [][]string{
+	table.Entries = [][]any{
 		{"UID", lic.Uid},
 		{"Issued to", lic.IssuedTo},
 		{"Expires", expire},
-		{"Issued", lic.IssueDate.(string)},
+		{"Issued", lic.IssueDate},
 		{"Max nodes", maxnodes},
 		{"Max resource units", maxunits},
 		{"Type", lic.Type.Name},

pkg/es/node.go

@@ -32,7 +32,7 @@ func NodeList(conf *cfg.Config) error {
 	// get nodes
 	nodes, err := conf.DefaultCluster.ES().Cat.Nodes().Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get nodes: %s", esErrorString(err))
+		return fmt.Errorf("failed to get nodes: %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "nodes", nodes)
@@ -41,14 +41,14 @@ func NodeList(conf *cfg.Config) error {
 	table.Addheaders("name", "ip", "load1m", "load5m", "load15m", "ram %", "heap %")
 
 	for idx, node := range nodes {
-		table.Entries[idx] = []string{
+		table.Entries[idx] = []any{
 			*node.Name,
 			*node.Ip,
 			*node.Load1M,
 			*node.Load5M,
 			*node.Load15M,
-			node.RamPercent.(string),
-			node.HeapPercent.(string),
+			node.RamPercent,
+			node.HeapPercent,
 		}
 	}
 
@@ -64,7 +64,7 @@ func NodeNames(conf *cfg.Config) ([]string, error) {
 	nodes, err := conf.DefaultCluster.ES().Cat.Nodes().
 		Do(context.Background())
 	if err != nil {
-		return nil, fmt.Errorf("failed to get nodes: %s", esErrorString(err))
+		return nil, fmt.Errorf("failed to get nodes: %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "nodes", nodes)
@@ -86,7 +86,7 @@ func NodeShow(conf *cfg.Config, nodename string) error {
 		Metric("os, jvm, thread_pool, remote_cluster_server").
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get node info: %s", esErrorString(err))
+		return fmt.Errorf("failed to get node info: %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "node", res)
@@ -95,7 +95,7 @@ func NodeShow(conf *cfg.Config, nodename string) error {
 		NodeId(nodename).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get node stats: %s", esErrorString(err))
+		return fmt.Errorf("failed to get node stats: %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "stat", stats)
@@ -113,25 +113,25 @@ func NodeShow(conf *cfg.Config, nodename string) error {
 
 		k8snode := info.Attributes["k8s_node_name"]
 
-		table.Entries = [][]string{
+		table.Entries = [][]any{
 			{"Id", id},
 			{"Name", nodename},
 			{"Kubernetes node", k8snode},
 			{"Ip address", info.Ip},
 			{"Node rank", *stat.AdaptiveSelection[id].Rank},
 			{"JVM", info.Jvm.VmName + " " + info.Jvm.Version},
-			{"JVM Started", time.UnixMilli(info.Jvm.StartTimeInMillis).String()},
+			{"JVM Started", time.UnixMilli(info.Jvm.StartTimeInMillis)},
 			{"OS", info.Os.PrettyName + " " + info.Os.Version},
-			{"Node roles", strings.Join(roles, ",")},
+			{"Node roles", roles},
 			{"Node version", info.Version},
-			{"HTTP clients", fmt.Sprintf("%d", *stat.Http.CurrentOpen)},
-			{"CPUs", fmt.Sprintf("%d", *info.Os.AllocatedProcessors)},
+			{"HTTP clients", *stat.Http.CurrentOpen},
+			{"CPUs", *info.Os.AllocatedProcessors},
 			{"Load 15m/5m/1m", fmt.Sprintf("%.2f/%.2f/%.2f",
 				stat.Os.Cpu.LoadAverage["15m"],
 				stat.Os.Cpu.LoadAverage["5m"],
 				stat.Os.Cpu.LoadAverage["1m"],
 			)},
-			{"Open FD's", fmt.Sprintf("%d", *stat.Process.OpenFileDescriptors)},
+			{"Open FD's", *stat.Process.OpenFileDescriptors},
 			{"Response time avg", fmt.Sprintf("%dns", *stat.AdaptiveSelection[id].AvgResponseTimeNs)},
 			{"Memory usage (used/avail)",
 				humanize.Bytes(uint64(*stat.Os.Mem.UsedInBytes)) + " / " + humanize.Bytes(uint64(*stat.Os.Mem.TotalInBytes))},
@@ -139,7 +139,7 @@ func NodeShow(conf *cfg.Config, nodename string) error {
 
 		if len(stat.Fs.Data) > 0 {
 			fs := stat.Fs.Data[0]
-			table.Entries = append(table.Entries, [][]string{
+			table.Entries = append(table.Entries, [][]any{
 				{"Storage usage (used/avail)",
 					humanize.Bytes(uint64(*fs.AvailableInBytes)) + " / " + humanize.Bytes(uint64(*fs.TotalInBytes))},
 				{"Storage mount", *fs.Mount},
@@ -159,7 +159,7 @@ func NodeClients(conf *cfg.Config, nodename string) error {
 		NodeId(nodename).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get node stats: %s", esErrorString(err))
+		return fmt.Errorf("failed to get node stats: %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "stat", stats)

pkg/es/parallel.go

@@ -158,7 +158,7 @@ func getApiData(
 	}
 
 	if arerr != nil {
-		ar.error = fmt.Errorf("failed to get data from API: %s", arerr)
+		ar.error = fmt.Errorf("failed to get data from API: %w", arerr)
 	}
 
 	reschan <- ar

pkg/es/role.go

@@ -20,7 +20,6 @@ import (
 	"context"
 	"fmt"
 	"log/slog"
-	"strings"
 
 	"codeberg.org/scip/esctl/pkg/cfg"
 	"codeberg.org/scip/esctl/pkg/printer"
@@ -31,7 +30,7 @@ func RoleNames(conf *cfg.Config) ([]string, error) {
 	res, err := conf.DefaultCluster.ES().Security.GetRole().
 		Do(context.Background())
 	if err != nil {
-		return nil, fmt.Errorf("failed to get roles: %s", esErrorString(err))
+		return nil, fmt.Errorf("failed to get roles: %w", esErrorString(err))
 	}
 
 	roles := make([]string, len(res))
@@ -48,7 +47,7 @@ func RoleList(conf *cfg.Config) error {
 	res, err := conf.DefaultCluster.ES().Security.GetRole().
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get roles: %s", esErrorString(err))
+		return fmt.Errorf("failed to get roles: %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "roles", res)
@@ -58,10 +57,10 @@ func RoleList(conf *cfg.Config) error {
 
 	idx := 0
 	for name, role := range res {
-		table.Entries[idx] = []string{
+		table.Entries[idx] = []any{
 			name,
-			fmt.Sprintf("%d", len(role.Cluster)),
-			fmt.Sprintf("%d", len(role.Indices)),
+			role.Cluster,
+			role.Indices,
 		}
 		idx++
 	}
@@ -75,7 +74,7 @@ func RoleShow(conf *cfg.Config, rolename string) error {
 		Name(rolename).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get role: %s", esErrorString(err))
+		return fmt.Errorf("failed to get role: %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "role", res)
@@ -140,10 +139,8 @@ func roleRemoteClusters(conf *cfg.Config, role types.Role) error {
 			perms = append(perms, perm.Name)
 		}
 
-		table.Entries[idx] = []string{
-			strings.Join(priv.Clusters, ","),
-			strings.Join(perms, ","),
-		}
+		table.Entries[idx] = []any{priv.Clusters, perms}
+
 		idx++
 	}
 
@@ -160,7 +157,7 @@ func roleClusters(conf *cfg.Config, role types.Role) error {
 	table.Addheaders("cluster rights")
 	idx := 0
 	for _, cluster := range role.Cluster {
-		table.Entries[idx] = []string{cluster.Name}
+		table.Entries[idx] = []any{cluster.Name}
 		idx++
 	}
 
@@ -182,11 +179,7 @@ func roleRemoteIndices(conf *cfg.Config, role types.Role) error {
 			perms = append(perms, perm.Name)
 		}
 
-		table.Entries[idx] = []string{
-			strings.Join(priv.Names, ", "),
-			strings.Join(perms, ", "),
-			fmt.Sprintf("%t", *priv.AllowRestrictedIndices),
-		}
+		table.Entries[idx] = []any{priv.Names, perms, *priv.AllowRestrictedIndices}
 
 		idx++
 	}
@@ -209,11 +202,7 @@ func roleIndices(conf *cfg.Config, role types.Role) error {
 			perms = append(perms, perm.Name)
 		}
 
-		table.Entries[idx] = []string{
-			strings.Join(priv.Names, ", "),
-			strings.Join(perms, ", "),
-			fmt.Sprintf("%t", *priv.AllowRestrictedIndices),
-		}
+		table.Entries[idx] = []any{priv.Names, perms, *priv.AllowRestrictedIndices}
 
 		idx++
 	}
@@ -231,10 +220,10 @@ func roleApplications(conf *cfg.Config, role types.Role) error {
 	table.Addheaders("application", "privileges", "resources")
 	idx := 0
 	for _, priv := range role.Applications {
-		table.Entries[idx] = []string{
+		table.Entries[idx] = []any{
 			priv.Application,
-			strings.Join(priv.Privileges, ", "),
-			strings.Join(priv.Resources, ", "),
+			priv.Privileges,
+			priv.Resources,
 		}
 
 		idx++

pkg/es/role_diff.go

@@ -75,7 +75,7 @@ type Register struct {
 func getCsvRecords(conf *cfg.Config, csvfile string) (map[string]Record, error) {
 	data, err := os.ReadFile(csvfile)
 	if err != nil {
-		return nil, fmt.Errorf("failed to read CSV file: %s", err)
+		return nil, fmt.Errorf("failed to read CSV file: %w", err)
 	}
 
 	csvreader := csv.NewReader(bytes.NewReader(data))
@@ -85,7 +85,7 @@ func getCsvRecords(conf *cfg.Config, csvfile string) (map[string]Record, error)
 
 	rows, err := csvreader.ReadAll()
 	if err != nil {
-		return nil, fmt.Errorf("failed to parse CSV: %s", err)
+		return nil, fmt.Errorf("failed to parse CSV: %w", err)
 	}
 
 	records := make(map[string]Record, len(rows)-1)
@@ -118,7 +118,7 @@ func getCsvRecords(conf *cfg.Config, csvfile string) (map[string]Record, error)
 func getCsvRecord(conf *cfg.Config, csvfile, rolename string) (*Record, error) {
 	fd, err := os.Open(csvfile)
 	if err != nil {
-		return nil, fmt.Errorf("failed to open CSV file: %s", err)
+		return nil, fmt.Errorf("failed to open CSV file: %w", err)
 	}
 	defer func() {
 		if err := fd.Close(); err != nil {
@@ -210,7 +210,7 @@ func RoleDiff(conf *cfg.Config, csvfile, role string) error {
 	res, err := conf.DefaultCluster.ES().Security.GetRole().
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get roles: %s", esErrorString(err))
+		return fmt.Errorf("failed to get roles: %w", esErrorString(err))
 	}
 
 	rows := diffRoles(conf, records, res)
@@ -229,7 +229,7 @@ func RoleDiff(conf *cfg.Config, csvfile, role string) error {
 			defined = printer.Colorize(conf, "red", "undefined")
 		}
 
-		table.Entries[idx] = []string{
+		table.Entries[idx] = []any{
 			row.name,
 			deployed,
 			defined,
@@ -245,7 +245,7 @@ func getRoleMappingGroups(conf *cfg.Config, rolename string) ([]string, error) {
 	mappings, err := conf.DefaultCluster.ES().Security.GetRoleMapping().
 		Do(context.Background())
 	if err != nil {
-		return nil, fmt.Errorf("failed to get role mappings: %s", esErrorString(err))
+		return nil, fmt.Errorf("failed to get role mappings: %w", esErrorString(err))
 	}
 
 	groups := []string{}
@@ -279,7 +279,7 @@ func RoleDiffSingle(conf *cfg.Config, csvfile, rolename string) error {
 		Name(rolename).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get role: %s", esErrorString(err))
+		return fmt.Errorf("failed to get role: %w", esErrorString(err))
 	}
 
 	record, err := getCsvRecord(conf, csvfile, rolename)

pkg/es/search.go

@@ -82,13 +82,13 @@ func explainSearch(conf *cfg.Config, search *search.Search) error {
 		Size(1). // one's enough for explain
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to call explain search (esdsl): %s", esErrorString(err))
+		return fmt.Errorf("failed to call explain search (esdsl): %w", esErrorString(err))
 	}
 
 	if conf.Debug {
 		raw, err := json.Marshal(res)
 		if err != nil {
-			return fmt.Errorf("failed to marshal explain result: %s", err)
+			return fmt.Errorf("failed to marshal explain result: %w", err)
 		}
 
 		value := gjson.Get(string(raw), "hits.hits.0._explanation")
@@ -134,7 +134,7 @@ func validateSearch(conf *cfg.Config, queries []string) error {
 	res, err := validate.
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to validate search (esdsl): %s", esErrorString(err))
+		return fmt.Errorf("failed to validate search (esdsl): %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "search", res)
@@ -154,7 +154,7 @@ func searchOnce(conf *cfg.Config, search *search.Search) error {
 		Size(conf.To).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to run search (esdsl): %s", esErrorString(err))
+		return fmt.Errorf("failed to run search (esdsl): %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "search", res)
@@ -169,7 +169,7 @@ func searchPit(conf *cfg.Config, req *search.Request) error {
 	ctx := context.Background()
 	pit, err := conf.DefaultCluster.ES().OpenPointInTime(conf.Index).KeepAlive("1m").Do(ctx)
 	if err != nil {
-		return fmt.Errorf("failed to open point-in-time request for search: %s", err)
+		return fmt.Errorf("failed to open point-in-time request for search: %w", err)
 	}
 	defer func() {
 		_, err := conf.DefaultCluster.ES().ClosePointInTime().Id(pit.Id).Do(ctx)
@@ -192,7 +192,7 @@ func searchPit(conf *cfg.Config, req *search.Request) error {
 	for {
 		res, err := search.Do(ctx)
 		if err != nil {
-			return fmt.Errorf("failed to run search (esdsl pit): %s", esErrorString(err))
+			return fmt.Errorf("failed to run search (esdsl pit): %w", esErrorString(err))
 		}
 
 		if len(res.Hits.Hits) == 0 {
@@ -222,7 +222,7 @@ func searchTail(conf *cfg.Config, search *search.Search) error {
 	for {
 		res, err := search.Do(context.Background())
 		if err != nil {
-			return fmt.Errorf("failed to run search (esdsl): %s", esErrorString(err))
+			return fmt.Errorf("failed to run search (esdsl): %w", esErrorString(err))
 		}
 
 		slog.Debug("ES result", "search", res)

pkg/es/shard.go

@@ -86,7 +86,7 @@ func ShardList(conf *cfg.Config) error {
 	res, err := conf.DefaultCluster.ES().Cat.Shards().
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get shards: %s", esErrorString(err))
+		return fmt.Errorf("failed to get shards: %w", esErrorString(err))
 	}
 
 	shardlist := filterShards(conf, res)
@@ -107,7 +107,7 @@ func printShards(conf *cfg.Config, shardlist shards.Response) error {
 	for idx, shard := range shardlist {
 		name := colorzizeShard(conf, *shard.State, *shard.Index)
 
-		table.Entries[idx] = []string{
+		table.Entries[idx] = []any{
 			name,
 			*shard.Shard,
 			resolvePrirep(*shard.Prirep),
@@ -136,7 +136,7 @@ func ShardShow(conf *cfg.Config, index string) error {
 	res, err := conf.DefaultCluster.ES().Cat.Shards().Index(index).
 		Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get shards: %s", esErrorString(err))
+		return fmt.Errorf("failed to get shards: %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "shards", res)
@@ -145,3 +145,63 @@ func ShardShow(conf *cfg.Config, index string) error {
 
 	return printShards(conf, res)
 }
+
+func ShardAllocation(conf *cfg.Config, index string) error {
+	explain := conf.DefaultCluster.ES().Cluster.AllocationExplain().
+		Index(index).
+		Primary(conf.Primary).
+		Shard(conf.Shards)
+
+	if conf.FromNode != "" {
+		explain.CurrentNode(conf.FromNode)
+	}
+
+	res, err := explain.Do(context.Background())
+	if err != nil {
+		return fmt.Errorf("failed to get shard allocation explain: %w", esErrorString(err))
+	}
+
+	slog.Debug("ES result", "explain", res)
+
+	currentNode := res.CurrentNode
+
+	table := printer.NewTable(conf, 2, 10)
+	table.Addheaders("shard allocation setting", "value")
+
+	roles := make([]string, len(currentNode.Roles))
+	for idx, role := range currentNode.Roles {
+		roles[idx] = role.Name
+	}
+
+	table.Entries = [][]any{
+		{"Index", index},
+		{"Current state", res.CurrentState},
+		{"Current node", currentNode.Name},
+		{"Current k8s node", currentNode.Attributes["k8s_node_name"]},
+		{"Current node address", currentNode.TransportAddress},
+		{"Current node id", currentNode.Id},
+		{"Current node weight", currentNode.WeightRanking},
+		{"Current node roles", roles},
+		{"Can rebalance cluster", res.CanRebalanceCluster.Name},
+		{"Can rebalance to another node", res.CanRebalanceToOtherNode.Name},
+		{"Can remain on current node", res.CanRemainOnCurrentNode.Name},
+	}
+
+	if res.CurrentState == "unassigned" {
+		table.AddRow("Unassignment reason", res.UnassignedInfo.Reason.String()+" at "+res.UnassignedInfo.At.(string))
+	}
+
+	for _, nodeDecision := range res.NodeAllocationDecisions {
+		for _, decider := range nodeDecision.Deciders {
+			table.AddRow("Allocation decider", decider.Decider)
+			table.AddRow("    -> decision", decider.Decision.String())
+			table.AddRow("    -> explanation", decider.Explanation)
+		}
+	}
+
+	if err := table.Print(); err != nil {
+		return err
+	}
+
+	return nil
+}

pkg/es/snapshot.go

@@ -45,7 +45,7 @@ func SnapshotList(conf *cfg.Config) error {
 	// get partial indicies
 	ires, err := conf.DefaultCluster.ES().Cat.Indices().Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get indicies: %s", esErrorString(err))
+		return fmt.Errorf("failed to get indicies: %w", esErrorString(err))
 	}
 
 	indicies := map[string]int{}
@@ -58,7 +58,7 @@ func SnapshotList(conf *cfg.Config) error {
 	// get snapshots
 	sres, err := conf.DefaultCluster.ES().Cat.Snapshots().Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get snapshots: %s", esErrorString(err))
+		return fmt.Errorf("failed to get snapshots: %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "indicies", sres)
@@ -88,7 +88,7 @@ func SnapshotList(conf *cfg.Config) error {
 	table.Addheaders("name", "index", "start", "orphaned", "status")
 
 	for idx, snap := range snapshots {
-		table.Entries[idx] = []string{
+		table.Entries[idx] = []any{
 			snap.Name,
 			snap.Forindex,
 			snap.Start,
@@ -108,7 +108,7 @@ func SnapshotList(conf *cfg.Config) error {
 func SnapshotShow(conf *cfg.Config, snapshot string) error {
 	res, err := conf.DefaultCluster.ES().Snapshot.Get("*", snapshot).Do(context.Background())
 	if err != nil {
-		return fmt.Errorf("failed to get snapshot: %s", esErrorString(err))
+		return fmt.Errorf("failed to get snapshot: %w", esErrorString(err))
 	}
 
 	slog.Debug("ES result", "snapshot", res)
@@ -122,20 +122,20 @@ func SnapshotShow(conf *cfg.Config, snapshot string) error {
 
 	snap := res.Snapshots[0]
 
-	table.Entries = [][]string{
+	table.Entries = [][]any{
 		{"snapshot", snapshot},
 		{"uuid", snap.Uuid},
 		{"repository", *snap.Repository},
-		{"version_id", fmt.Sprintf("%d", snap.VersionId)},
+		{"version_id", snap.VersionId},
 		{"version", *snap.Version},
-		{"include_global_state", fmt.Sprintf("%t", *snap.IncludeGlobalState)},
+		{"include_global_state", *snap.IncludeGlobalState},
 		{"state", *snap.State},
-		{"start_time", fmt.Sprintf("%s", snap.StartTime)},
-		{"end_time", fmt.Sprintf("%s", snap.EndTime)},
-		{"duration_in_millis", fmt.Sprintf("%d", *snap.DurationInMillis)},
-		{"shards-total", fmt.Sprintf("%d", snap.Shards.Total)},
-		{"shards-failed", fmt.Sprintf("%d", snap.Shards.Failed)},
-		{"shards-successful", fmt.Sprintf("%d", snap.Shards.Successful)},
+		{"start_time", snap.StartTime},
+		{"end_time", snap.EndTime},
+		{"duration_in_millis", *snap.DurationInMillis},
+		{"shards-total", snap.Shards.Total},
+		{"shards-failed", snap.Shards.Failed},
+		{"shards-successful", snap.Shards.Successful},
 	}
 
 	if err := table.Print(); err != nil {

pkg/es/task.go

@@ -32,7 +32,7 @@ func TaskList(conf *cfg.Config) error {
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to get index templates: %s", esErrorString(err))
+		return fmt.Errorf("failed to get index templates: %w", esErrorString(err))
 	}
 
 	slog.Debug("res", "tasks", res)
@@ -49,10 +49,10 @@ func TaskList(conf *cfg.Config) error {
 			ts = time.Unix(int64(epc/1000), 0)
 		}
 
-		table.Entries[idx] = []string{
+		table.Entries[idx] = []any{
 			*task.TaskId,
 			*task.Action,
-			ts.Format("2006-01-02T15:04:05"),
+			ts,
 			*task.RunningTime,
 			*task.Node,
 			*task.Type,
@@ -68,7 +68,7 @@ func TaskCancel(conf *cfg.Config, taskid string) error {
 		Do(context.Background())
 
 	if err != nil {
-		return fmt.Errorf("failed to cancel task: %s", esErrorString(err))
+		return fmt.Errorf("failed to cancel task: %w", esErrorString(err))
 	}
 
 	return nil

pkg/printer/bytes.go

@@ -0,0 +1,31 @@
+/*
+Copyright © 2026 Thomas von Dein
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+package printer
+
+import "github.com/dustin/go-humanize"
+
+type ByteSize struct {
+	size uint64
+}
+
+func Bytes(size int64) ByteSize {
+	return ByteSize{size: uint64(size)}
+}
+
+func (b *ByteSize) String() string {
+	return humanize.Bytes(b.size)
+}

pkg/printer/cast.go

@@ -0,0 +1,97 @@
+/*
+Copyright © 2026 Thomas von Dein
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+package printer
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/elastic/go-elasticsearch/v9/typedapi/types"
+)
+
+func any2string(in any) string {
+	switch val := in.(type) {
+	case string:
+		return val
+	case bool:
+		return strconv.FormatBool(val)
+	case int64:
+		return strconv.FormatInt(val, 10)
+	case int:
+		return strconv.Itoa(val)
+	case float64:
+		return fmt.Sprintf("%.2f", val)
+	case []string:
+		return strings.Join(val, ",")
+	case ByteSize:
+		return val.String()
+	case time.Time:
+		return val.Format("2006-01-02 15:04:05")
+	case []byte:
+		return string(val)
+	case types.DateTime, types.Percentage:
+		return val.(string)
+	case nil:
+		return "null"
+	}
+
+	return ""
+}
+
+func (data *Table) preprocessRows() {
+	if data.processed {
+		// only do it once
+		return
+	}
+
+	// convert entries to strings
+	data.rows = make([][]string, len(data.Entries))
+	for rowidx, entries := range data.Entries {
+		data.rows[rowidx] = make([]string, len(entries))
+
+		for colidx, entry := range data.Entries[rowidx] {
+			data.rows[rowidx][colidx] = any2string(entry)
+		}
+	}
+
+	// determine header lenght's
+	for idx, head := range data.Headers {
+		data.lenHeaders[idx] = visibleLen(head)
+	}
+
+	// determine max width per column
+	for _, entries := range data.rows {
+		currentWidth := 0
+		for idx, entry := range entries {
+			length := visibleLen(entry)
+
+			if data.lenHeaders[idx] < length {
+				if length > currentWidth+data.maxwidth {
+					data.lenHeaders[idx] = data.maxwidth - currentWidth
+				} else {
+					data.lenHeaders[idx] = length
+				}
+			}
+
+			currentWidth += data.lenHeaders[idx]
+		}
+	}
+
+	data.processed = true
+}

pkg/printer/pager.go

@@ -115,13 +115,6 @@ func (m model) footerView() string {
 	return lipgloss.JoinHorizontal(lipgloss.Center, line, info)
 }
 
-func max(a, b int) int {
-	if a > b {
-		return a
-	}
-	return b
-}
-
 func Pager(title, message string) {
 	p := tea.NewProgram(
 		model{content: message, title: title},

pkg/printer/table.go

@@ -25,18 +25,17 @@ import (
 	"strings"
 
 	"codeberg.org/scip/esctl/pkg/cfg"
-	"github.com/olekukonko/tablewriter"
-	"github.com/olekukonko/tablewriter/renderer"
-	"github.com/olekukonko/tablewriter/tw"
 	"github.com/seeruk/go-wordwrap"
 	"gopkg.in/yaml.v3"
 )
 
 type Table struct {
-	Mode    string // table, markdown, json
+	Mode    string // tsv, json, yaml
 	Headers []string
-	Entries [][]string
+	Entries [][]any
 
+	rows       [][]string // representation used for printing
+	processed  bool
 	lenHeaders []int
 	alignInts  bool
 	maxwidth   int
@@ -46,7 +45,7 @@ func NewTable(conf *cfg.Config, columns, rows int) *Table {
 	table := Table{Mode: conf.Output, maxwidth: cfg.GetTermWidth()}
 
 	table.Headers = make([]string, columns)
-	table.Entries = make([][]string, rows)
+	table.Entries = make([][]any, rows)
 	table.lenHeaders = make([]int, columns)
 	table.alignInts = conf.AlignInts
 
@@ -62,7 +61,7 @@ func NewTableEmpty(conf *cfg.Config) *Table {
 func (table *Table) WithHeaders(headers ...string) *Table {
 	count := len(headers)
 
-	table.Entries = [][]string{}
+	table.Entries = [][]any{}
 	table.lenHeaders = make([]int, count)
 	table.Headers = make([]string, count)
 
@@ -73,8 +72,6 @@ func (table *Table) WithHeaders(headers ...string) *Table {
 
 func (data *Table) Print() error {
 	switch data.Mode {
-	case "markdown", "md":
-		return data.PrintMarkdown()
 	case "json":
 		return data.PrintJSON()
 	case "yaml":
@@ -89,11 +86,11 @@ var (
 )
 
 // needed for json and yaml output
-func (data *Table) toMap() []map[string]string {
-	raw := make([]map[string]string, len(data.Entries))
+func (data *Table) toMap() []map[string]any {
+	raw := make([]map[string]any, len(data.Entries))
 
 	for idx, entries := range data.Entries {
-		raw[idx] = make(map[string]string, len(data.Headers))
+		raw[idx] = make(map[string]any, len(data.Headers))
 		for eidx, entry := range entries {
 			raw[idx][data.Headers[eidx]] = entry
 		}
@@ -107,7 +104,7 @@ func (data *Table) PrintYAML() error {
 
 	body, err := yaml.Marshal(raw)
 	if err != nil {
-		return fmt.Errorf("failed to produce YAML output: %s", err)
+		return fmt.Errorf("failed to produce YAML output: %w", err)
 	}
 
 	fmt.Println(string(body))
@@ -120,7 +117,7 @@ func (data *Table) PrintJSON() error {
 
 	body, err := json.MarshalIndent(raw, "", "  ")
 	if err != nil {
-		return fmt.Errorf("failed to produce JSON output: %s", err)
+		return fmt.Errorf("failed to produce JSON output: %w", err)
 	}
 
 	fmt.Println(string(body))
@@ -128,31 +125,9 @@ func (data *Table) PrintJSON() error {
 	return nil
 }
 
-// Well.  tablewriter  should be  able to  print in  TSV mode,  but it
-// doesn't  work because  of  the various  ansic  color escapes  we're
-// using. Therefore we do it the hard way and use our own TSV printer.
 func (data *Table) PrintTSV() error {
-	// determine lenght's
-	for idx, head := range data.Headers {
-		data.lenHeaders[idx] = visibleLen(head)
-	}
-
-	for _, entries := range data.Entries {
-		currentWidth := 0
-		for idx, entry := range entries {
-			length := visibleLen(entry)
-
-			if data.lenHeaders[idx] < length {
-				if length > currentWidth+data.maxwidth {
-					data.lenHeaders[idx] = data.maxwidth - currentWidth
-				} else {
-					data.lenHeaders[idx] = length
-				}
-			}
-
-			currentWidth += data.lenHeaders[idx]
-		}
-	}
+	// length's, convert cell types
+	data.preprocessRows()
 
 	// output headers
 	for idx, header := range data.Headers {
@@ -169,7 +144,7 @@ func (data *Table) PrintTSV() error {
 	}
 	fmt.Println()
 
-	for _, entries := range data.Entries {
+	for _, entries := range data.rows {
 		currentWidth := 0
 
 		for idx, entry := range entries {
@@ -213,130 +188,16 @@ func (data *Table) PrintTSV() error {
 	return nil
 }
 
-func (data *Table) PrintTabularFail() error {
-	OFS := "  "
-
-	tableString := &strings.Builder{}
-
-	styleTSV := tw.NewSymbolCustom("space").WithColumn("\t")
-
-	table := tablewriter.NewTable(tableString,
-		tablewriter.WithRenderer(
-			renderer.NewBlueprint(tw.Rendition{
-				Borders: tw.BorderNone,
-				Symbols: styleTSV,
-				Settings: tw.Settings{
-					Separators: tw.SeparatorsNone,
-					Lines:      tw.LinesNone,
-				},
-			})),
-		tablewriter.WithConfig(tablewriter.Config{
-			Header: tw.CellConfig{
-				Formatting: tw.CellFormatting{
-					AutoFormat: tw.Off,
-				},
-				Padding: tw.CellPadding{Global: tw.Padding{Left: "", Right: OFS}},
-			},
-			Row: tw.CellConfig{
-				Formatting: tw.CellFormatting{
-					AutoWrap:  tw.WrapNone,
-					Alignment: tw.AlignLeft,
-				},
-				Padding: tw.CellPadding{Global: tw.Padding{Right: OFS}},
-			},
-
-			Debug: true,
-		}),
-	)
-
-	table.Header(data.Headers)
-
-	if err := table.Bulk(data.Entries); err != nil {
-		return fmt.Errorf("failed to add data to table renderer: %s", err)
-	}
-
-	if err := table.Render(); err != nil {
-		return fmt.Errorf("failed to render table: %s", err)
-	}
-
-	// we  need to trim  our output here, because  tablewriter appends
-	// excess whitespace to our rows.
-	cleanedString := &strings.Builder{}
-
-	for _, row := range strings.Split(strings.TrimSpace(tableString.String()), "\n") {
-		cleanedString.WriteString(strings.TrimSpace(row))
-		cleanedString.WriteString("\n")
-	}
-
-	fmt.Println(cleanedString.String())
-
-	return nil
-}
-
-func (data *Table) PrintMarkdown() error {
-	tableString := &strings.Builder{}
-
-	table := tablewriter.NewTable(tableString,
-		tablewriter.WithRenderer(
-			renderer.NewBlueprint(
-				tw.Rendition{
-					Borders: tw.Border{
-						Left:   tw.On,
-						Right:  tw.On,
-						Top:    tw.Off,
-						Bottom: tw.Off,
-					},
-					Settings: tw.Settings{
-						Separators: tw.Separators{
-							ShowHeader:     tw.On,
-							ShowFooter:     tw.Off,
-							BetweenRows:    tw.Off,
-							BetweenColumns: 0,
-						},
-					},
-					Symbols: tw.NewSymbols(tw.StyleMarkdown),
-				})),
-
-		tablewriter.WithConfig(
-			tablewriter.Config{
-				Header: tw.CellConfig{
-					Formatting: tw.CellFormatting{
-						Alignment:  tw.AlignLeft,
-						AutoFormat: tw.Off,
-					},
-				},
-				Row: tw.CellConfig{
-					Formatting: tw.CellFormatting{
-						Alignment: tw.AlignLeft,
-					},
-				},
-			},
-		),
-	)
-
-	table.Header(data.Headers)
-
-	if err := table.Bulk(data.Entries); err != nil {
-		return fmt.Errorf("failed to add data to table renderer: %s", err)
-	}
-
-	if err := table.Render(); err != nil {
-		return fmt.Errorf("failed to render table: %s", err)
-	}
-
-	fmt.Println(tableString.String())
-
-	return nil
-}
-
 func (data *Table) Sort() {
 	// sanity checks
 	if len(data.Entries) == 0 {
 		return
 	}
 
-	sort.Slice(data.Entries, func(i, j int) bool {
-		return data.Entries[i][0] < data.Entries[j][0]
+	data.preprocessRows()
+
+	sort.Slice(data.rows, func(i, j int) bool {
+		return data.rows[i][0] < data.rows[j][0]
 	})
 }
 
@@ -351,7 +212,7 @@ func (data *Table) Addheaders(headers ...string) {
 	}
 }
 
-func (data *Table) AddRow(fields ...string) {
+func (data *Table) AddRow(fields ...any) {
 	data.Entries = append(data.Entries, fields)
 }
 

t/README.md

@@ -1,7 +1,7 @@
 # Testing
 
 Building regular unit tests would require to create a mock
-elasticsearch cluster, which is too much a chrore for a one man
+elasticsearch cluster, which is too much a chore for a one man
 show. Running a regular elasticsearch cluster on Codeberg CI is not
 economically reasonable.
 
@@ -24,6 +24,7 @@ elasticsearch cluster with 3 nodes. To start it manually just execute
 When it's up and running it should look like this:
 
 ```console
+$ docker ps
 NAMES     STATUS                   PORTS
 t-es03-1  Up 16 minutes (healthy)  9200/tcp, 9300/tcp
 t-es02-1  Up 16 minutes (healthy)  9200/tcp, 9300/tcp
@@ -34,7 +35,7 @@ There's an esctl config file `cluster.yaml`, which you can use to
 access that elasticsearch cluster, e.g.:
 
 ```console
-esctl -c cluster.yaml cluster status 
+$ esctl -c cluster.yaml cluster status 
 DOCKER/DOMDOC              STATUS
 Cluster Name               domdoc
 ES Status                  green