add missing utilities.go

README.md

@@ -12,13 +12,14 @@ USAGE:
    esctl [global options] [command [command options]]
 
 VERSION:
-   v0.0.3
+   v0.0.4
 
 COMMANDS:
    search, /       search within an index
    index, i        manage indicies
    snapshot, snap  manage snapshots
    cluster, c      manage cluster[s]
+   node, snap      manage nodes
    help, h         Shows a list of commands or help for one command
 
 GLOBAL OPTIONS:
@@ -49,6 +50,10 @@ clusters:
     pass: asdasdasd
 ```
 
+and specify it with `-c configfile`.  You may also put clusters into a
+default config file in `~/.config/esctl/config.yaml`. In this case you
+can omit `-c ...`.
+
 If you want to  work on a specific cluster, specify  its name with the
 global `-C` option.
 

TODO.md

@@ -1,2 +1,5 @@
 - [Go client docs](https://www.elastic.co/docs/reference/elasticsearch/clients/go/typed-api)
 - [ES API docs](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-indices-get)
+
+- Fix index names custom completion
+- add cluster default <name> which would add a flag to the config, so that no -C is needed subsequently

cmd/cluster.go

@@ -33,21 +33,22 @@ func Cluster(conf *cfg.Config) *cli.Command {
 		Usage:   "manage cluster[s]",
 
 		Commands: []*cli.Command{
-			Compare(conf),
-			Status(conf),
-			List(conf),
+			ClusterCompare(conf),
+			ClusterStatus(conf),
+			ClusterList(conf),
+			ClusterSettings(conf),
 		},
 	}
 }
 
-func List(conf *cfg.Config) *cli.Command {
+func ClusterList(conf *cfg.Config) *cli.Command {
 	return &cli.Command{
 		Name:    "list",
 		Usage:   "list configured clusters",
 		Aliases: []string{"ls"},
 
 		Action: func(ctx context.Context, cmd *cli.Command) error {
-			if err := es.List(conf); err != nil {
+			if err := es.ClusterList(conf); err != nil {
 				return err
 			}
 
@@ -56,7 +57,7 @@ func List(conf *cfg.Config) *cli.Command {
 	}
 }
 
-func Status(conf *cfg.Config) *cli.Command {
+func ClusterStatus(conf *cfg.Config) *cli.Command {
 	return &cli.Command{
 		Name:    "status",
 		Usage:   "show cluster status",
@@ -72,7 +73,7 @@ func Status(conf *cfg.Config) *cli.Command {
 		},
 
 		Action: func(ctx context.Context, cmd *cli.Command) error {
-			if err := es.Status(conf); err != nil {
+			if err := es.ClusterStatus(conf); err != nil {
 				return err
 			}
 
@@ -81,7 +82,7 @@ func Status(conf *cfg.Config) *cli.Command {
 	}
 }
 
-func Compare(conf *cfg.Config) *cli.Command {
+func ClusterCompare(conf *cfg.Config) *cli.Command {
 	return &cli.Command{
 		Name:    "compare",
 		Aliases: []string{"c"},
@@ -119,3 +120,64 @@ func Compare(conf *cfg.Config) *cli.Command {
 		},
 	}
 }
+
+func ClusterSettings(conf *cfg.Config) *cli.Command {
+	return &cli.Command{
+		Name:    "settings",
+		Usage:   "cluster settings management",
+		Aliases: []string{"config"},
+
+		Commands: []*cli.Command{
+			ClusterSettingsList(conf),
+			ClusterSettingsSet(conf),
+		},
+	}
+}
+
+func ClusterSettingsList(conf *cfg.Config) *cli.Command {
+	return &cli.Command{
+		Name:    "list",
+		Usage:   "show cluster settings",
+		Aliases: []string{"ls", "get"},
+
+		Action: func(ctx context.Context, cmd *cli.Command) error {
+			if err := es.ClusterSettingsList(conf); err != nil {
+				return err
+			}
+
+			return nil
+		},
+	}
+}
+
+func ClusterSettingsSet(conf *cfg.Config) *cli.Command {
+	return &cli.Command{
+		Name:      "set",
+		Usage:     "set|update cluster settings",
+		Aliases:   []string{"set", "update"},
+		UsageText: "set [options] setting:value [setting:value ...]",
+
+		Flags: []cli.Flag{
+			&cli.BoolFlag{
+				Name:        "persistent",
+				Usage:       "add persistent setting[s] (default)",
+				Destination: &conf.Persistent,
+				Aliases:     []string{"p"},
+			},
+			&cli.BoolFlag{
+				Name:        "transient",
+				Usage:       "add transient setting[s]",
+				Destination: &conf.Transient,
+				Aliases:     []string{"t"},
+			},
+		},
+
+		Action: func(ctx context.Context, cmd *cli.Command) error {
+			if err := es.ClusterSettingsSet(conf, cmd.Args()); err != nil {
+				return err
+			}
+
+			return nil
+		},
+	}
+}

cmd/index.go

@@ -18,6 +18,7 @@ package cmd
 
 import (
 	"context"
+	"fmt"
 
 	"codeberg.org/scip/esctl/pkg/cfg"
 	"codeberg.org/scip/esctl/pkg/es"
@@ -34,6 +35,8 @@ func Index(conf *cfg.Config) *cli.Command {
 		Commands: []*cli.Command{
 			IndexList(conf),
 			IndexShow(conf),
+			IndexCreate(conf),
+			IndexDelete(conf),
 		},
 	}
 }
@@ -88,5 +91,76 @@ func IndexShow(conf *cfg.Config) *cli.Command {
 
 			return nil
 		},
+
+		// FIXME: doesn't work at all
+		// FIXME: also it would ONLY work if the user uses env vars, -C would not be
+		//        there when the completion output is being generated
+		ShellComplete: func(ctx context.Context, cmd *cli.Command) {
+			if cmd.NArg() > 0 {
+				return
+			}
+
+			indices, err := es.IndexNames(conf)
+			if err != nil {
+				return
+			}
+
+			for _, index := range indices {
+				fmt.Println(index)
+			}
+		},
+	}
+}
+
+func IndexCreate(conf *cfg.Config) *cli.Command {
+	return &cli.Command{
+		Name:    "create",
+		Aliases: []string{"+"},
+		Usage:   "create a new index",
+
+		Flags: []cli.Flag{
+			&cli.BoolFlag{
+				Name:        "wait",
+				Usage:       "wait for active shards",
+				Destination: &conf.Wait,
+				Aliases:     []string{"w"},
+			},
+			&cli.IntFlag{
+				Name:        "shards",
+				Usage:       "number of shards to create",
+				Destination: &conf.Shards,
+				Aliases:     []string{"s"},
+			},
+			&cli.IntFlag{
+				Name:        "replicas",
+				Usage:       "number of replicas to create",
+				Destination: &conf.Replicas,
+				Aliases:     []string{"r"},
+			},
+		},
+
+		Action: func(ctx context.Context, cmd *cli.Command) error {
+			if err := es.IndexCreate(conf, cmd.Args().Get(0)); err != nil {
+				return err
+			}
+
+			return nil
+		},
+	}
+}
+
+func IndexDelete(conf *cfg.Config) *cli.Command {
+	return &cli.Command{
+		Name:    "delete",
+		Aliases: []string{"rm"},
+		Usage:   "delete an index",
+
+		Action: func(ctx context.Context, cmd *cli.Command) error {
+			if err := es.IndexDelete(conf, cmd.Args().Get(0)); err != nil {
+				return err
+			}
+
+			return nil
+		},
 	}
 }

cmd/node.go

@@ -0,0 +1,72 @@
+/*
+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 cmd
+
+import (
+	"context"
+
+	"codeberg.org/scip/esctl/pkg/cfg"
+	"codeberg.org/scip/esctl/pkg/es"
+
+	"github.com/urfave/cli/v3"
+)
+
+func Node(conf *cfg.Config) *cli.Command {
+	return &cli.Command{
+		Name:    "node",
+		Aliases: []string{"snap"},
+		Usage:   "manage nodes",
+
+		Commands: []*cli.Command{
+			NodeList(conf),
+			NodeShow(conf),
+		},
+	}
+}
+
+func NodeList(conf *cfg.Config) *cli.Command {
+	return &cli.Command{
+		Name:    "list",
+		Aliases: []string{"ls"},
+		Usage:   "list nodes",
+
+		Action: func(ctx context.Context, cmd *cli.Command) error {
+			if err := es.NodeList(conf); err != nil {
+				return err
+			}
+
+			return nil
+		},
+	}
+}
+
+func NodeShow(conf *cfg.Config) *cli.Command {
+	return &cli.Command{
+		Name:      "show",
+		Aliases:   []string{"sh"},
+		Usage:     "show details about a node",
+		UsageText: "show [options] <node>",
+
+		Action: func(ctx context.Context, cmd *cli.Command) error {
+			// if err := es.NodeShow(conf, cmd.Args().Get(0)); err != nil {
+			// 	return err
+			// }
+
+			return nil
+		},
+	}
+}

cmd/root.go

@@ -76,6 +76,7 @@ func Main() int {
 			Index(conf),
 			Snapshot(conf),
 			Cluster(conf),
+			Node(conf),
 		},
 
 		Before: func(ctx context.Context, cmd *cli.Command) (context.Context, error) {

pkg/cfg/config.go

@@ -30,7 +30,7 @@ import (
 )
 
 const (
-	Version string = `v0.0.3`
+	Version string = `v0.0.5`
 )
 
 type Cluster struct {
@@ -39,17 +39,20 @@ type Cluster struct {
 }
 
 type Config struct {
-	ConfigFile         string // -c
-	CurrentCluster     string // -C
-	Debug              bool   // -d
-	Clusters           map[string]*Cluster
-	DefaultCluster     *Cluster
-	Index              string   // index: -i
-	Failed, Partials   bool     // index: flags
-	From, To, MaxItems int      // search: flags
-	Filter             []string // search: -F
-	Exclude            string   // cluster compare: -e (regexp)
-	All                bool     // cluster status: -a
+	ConfigFile            string // -c
+	CurrentCluster        string // -C
+	Debug                 bool   // -d
+	Clusters              map[string]*Cluster
+	DefaultCluster        *Cluster
+	Index                 string   // index: -i
+	Failed, Partials      bool     // index: flags
+	Shards, Replicas      int      // index create: -s -r
+	Wait                  bool     // index create: -w
+	From, To, MaxItems    int      // search: flags
+	Filter                []string // search: -F
+	Exclude               string   // cluster compare: -e (regexp)
+	All                   bool     // cluster status: -a
+	Persistent, Transient bool     // -p -t cluster settings set
 }
 
 func NewConfig() *Config {
@@ -57,11 +60,17 @@ func NewConfig() *Config {
 }
 
 func (conf *Config) Init() error {
-	if conf.ConfigFile != "" {
+	DefaultConfig := os.Getenv("HOME") + "/.config/esctl/config.yaml"
+
+	switch {
+	case fileExists(DefaultConfig):
+		conf.ConfigFile = DefaultConfig
+		fallthrough
+	case conf.ConfigFile != "":
 		if err := conf.LoadConfig(); err != nil {
 			return err
 		}
-	} else {
+	default:
 		if err := conf.LoadEnv(); err != nil {
 			return err
 		}
@@ -165,3 +174,14 @@ func (conf *Config) SetupES() error {
 
 	return nil
 }
+
+func fileExists(filename string) bool {
+	info, err := os.Stat(filename)
+
+	if err != nil {
+		// return false on any error
+		return false
+	}
+
+	return !info.IsDir()
+}

pkg/es/cluster.go

@@ -18,15 +18,14 @@ package es
 
 import (
 	"context"
+	"encoding/json"
 	"errors"
 	"fmt"
-	"log"
 	"log/slog"
-	"regexp"
 
 	"codeberg.org/scip/esctl/pkg/cfg"
-	"github.com/elastic/go-elasticsearch/v9/typedapi/cluster/health"
 	"github.com/elastic/go-elasticsearch/v9/typedapi/types"
+	"github.com/urfave/cli/v3"
 )
 
 const (
@@ -75,7 +74,7 @@ func ClusterCompare(conf *cfg.Config, leader, follower string) error {
 	return nil
 }
 
-func List(conf *cfg.Config) error {
+func ClusterList(conf *cfg.Config) error {
 	table := NewTable(2, len(conf.Clusters))
 	table.Addheaders("cluster", "uri")
 
@@ -85,12 +84,13 @@ func List(conf *cfg.Config) error {
 		idx++
 	}
 
+	table.Sort()
 	table.PrintMarkdown()
 
 	return nil
 }
 
-func Status(conf *cfg.Config) error {
+func ClusterStatus(conf *cfg.Config) error {
 	clusters := []string{}
 
 	if conf.All {
@@ -112,7 +112,7 @@ func Status(conf *cfg.Config) error {
 			Header("accept", "application/json").
 			Do(context.Background())
 		if err != nil {
-			log.Fatalf("Error getting health: %s", err)
+			return fmt.Errorf("failed to getcluster health: %s", err)
 		}
 
 		slog.Debug("ES result", "cluster health", res)
@@ -134,340 +134,79 @@ func Status(conf *cfg.Config) error {
 	return nil
 }
 
-// look for indicies only on leader
-func findIndicesOnlyOnMaster(conf *cfg.Config, indices ClusterIndices, leader, follower string) {
-	exclude := regexp.MustCompile(DefaultExclude)
-	if conf.Exclude != "" {
-		exclude = regexp.MustCompile(conf.Exclude)
-	}
-
-	indexOnlyOnLeader := map[string]*types.IndicesRecord{}
-	for name, index := range indices[leader] {
-		if exclude.MatchString(name) {
-			continue
-		}
-
-		_, followerHasIt := indices[follower][name]
-		if !followerHasIt {
-			// fetch index details
-			res, err := conf.Clusters[leader].ES.Indices.Get(name).
-				Header("content-type", "application/json").
-				Header("accept", "application/json").
-				Do(context.Background())
-			if err != nil {
-				continue // ignore it then
-			}
-
-			_, defined := res[name]
-			if !defined {
-				// json response map didn't contain the index
-				continue
-			}
-
-			isWritable := false
-			for _, alias := range res[name].Aliases {
-				if *alias.IsWriteIndex {
-					isWritable = true
-					break
-				}
-			}
-
-			if isWritable {
-				// ignore index if associated alias index is writing
-				continue
-			}
-
-			indexOnlyOnLeader[name] = index
-		}
-	}
-
-	idx := 0
-	table := NewTable(3, len(indexOnlyOnLeader))
-	table.Addheaders("index only on leader", "size", "docscount")
-
-	for name, index := range indexOnlyOnLeader {
-		name := Colorize("red", name)
-
-		table.entries[idx] = []string{name, *index.DatasetSize, *index.DocsCount}
-		idx++
-	}
-
-	table.Sort()
-	table.PrintMarkdown()
-}
-
-func checkClusterFollower(conf *cfg.Config, leader string) bool {
-	stats, err := conf.Clusters[leader].ES.Ccr.Stats().
+func ClusterSettingsList(conf *cfg.Config) error {
+	res, err := conf.DefaultCluster.ES.Cluster.GetSettings().
 		Header("content-type", "application/json").
 		Header("accept", "application/json").
 		Do(context.Background())
 	if err != nil {
-		fmt.Printf("failed to get ccr stats from %s: %s", leader, err)
-		return false
+		return fmt.Errorf("failed to get cluster settings: %s", err)
 	}
 
-	if len(stats.AutoFollowStats.AutoFollowedClusters) == 0 {
-		// is not following anyone
-		return true
-	}
+	table := NewTable(2, 0)
+	table.Addheaders("setting", "value")
+	entries := [][]string{}
 
-	if stats.AutoFollowStats.AutoFollowedClusters[0].ClusterName != "" {
-		fmt.Println("leader/follower attribution is invalid, reverse cluster attribution and retry")
-		return false
-	}
+	for topic, val := range res.Persistent {
+		data := map[string]map[string]any{}
 
-	return true
-}
+		err := json.Unmarshal(val, &data)
 
-// checks if both clusters are green
-func checkClusterStatus(conf *cfg.Config, leader, follower string) bool {
-	status := map[string]*health.Response{}
-
-	for _, cluster := range []string{leader, follower} {
-		st, err := conf.Clusters[leader].ES.Cluster.Health().
-			Header("content-type", "application/json").
-			Header("accept", "application/json").
-			Do(context.Background())
 		if err != nil {
-			fmt.Printf("failed to get health from %s: %s", cluster, err)
-			return false
+			return fmt.Errorf("failed to unmarshall setting for topic %s: %s", topic, err)
 		}
 
-		status[cluster] = st
+		for key, settings := range data {
+			for setting, value := range settings {
+				entries = append(entries, []string{
+					fmt.Sprintf("%s.%s.%s", topic, key, setting),
+					fmt.Sprintf("%v", value),
+				})
+
+			}
+		}
 	}
 
-	table := NewTable(3, 5)
-
-	table.Addheaders("setting", "leader:"+leader, "follower:"+follower)
-
-	table.entries = [][]string{
-		{"Cluster Name",
-			Colorize(*&status[leader].Status.Name, status[leader].ClusterName),
-			Colorize(*&status[follower].Status.Name, status[follower].ClusterName),
-		},
-		{"Active Shards",
-			fmt.Sprintf("%d", status[leader].ActiveShards),
-			fmt.Sprintf("%d", status[follower].ActiveShards),
-		},
-		{"Active Primary Shards",
-			fmt.Sprintf("%d", status[leader].ActivePrimaryShards),
-			fmt.Sprintf("%d", status[follower].ActivePrimaryShards),
-		},
-		{"Indicies",
-			fmt.Sprintf("%d", len(status[leader].Indices)),
-			fmt.Sprintf("%d", len(status[follower].Indices)),
-		},
-		{"Nodes",
-			fmt.Sprintf("%d", status[leader].NumberOfNodes),
-			fmt.Sprintf("%d", status[follower].NumberOfNodes),
-		},
-	}
+	table.entries = entries
 
+	table.Sort()
 	table.PrintMarkdown()
 
-	if status[leader].Status.Name == "green" && status[follower].Status.Name == "green" {
-		return true
-	}
-
-	return false
+	return nil
 }
 
-// finds indices on both clusters which have ilm errors
-func findIlmErrors(conf *cfg.Config, leader, follower string) bool {
-	failed := map[string]map[string]string{}
+func ClusterSettingsSet(conf *cfg.Config, args cli.Args) error {
+	put := conf.Clusters[conf.CurrentCluster].ES.Cluster.PutSettings()
 
-	for _, cluster := range []string{leader, follower} {
-		ilm, err := conf.Clusters[cluster].ES.Ilm.ExplainLifecycle("_all").
-			OnlyManaged(true).
-			Header("content-type", "application/json").
-			Header("accept", "application/json").
-			Do(context.Background())
-		if err != nil {
-			fmt.Printf("failed to get ilm status from %s: %s", cluster, err)
-			return false
-		}
+	for _, arg := range args.Slice() {
+		setting, value := splitArg(arg)
 
-		failed[cluster] = map[string]string{}
-
-		for name, ilmstate := range ilm.Indices {
-			count := ilmstate.(*types.LifecycleExplainManaged).FailedStepRetryCount
-
-			if count != nil && *count > 0 {
-				failed[cluster][name] = fmt.Sprintf("%d", *count)
-			}
-		}
-	}
-
-	if len(failed[leader]) == 0 && len(failed[follower]) == 0 {
-		return true
-	}
-
-	for idx, cluster := range []string{leader, follower} {
-		which := "leader"
-		if idx > 0 {
-			which = "follower"
-		}
-
-		if len(failed[cluster]) > 0 {
-			idx := 0
-			table := NewTable(2, len(failed[cluster]))
-			table.Addheaders("ilm errors on "+which, "errors")
-
-			for name, count := range failed[cluster] {
-				table.entries[idx] = []string{name, count}
-				idx++
-			}
-
-			table.Sort()
-			table.PrintMarkdown()
-		}
-	}
-
-	return false
-}
-
-// find unsynchronized indicies only present on leader
-func findIndicesOnlyOnLeader(conf *cfg.Config, indices ClusterIndices, leader, follower string) bool {
-	exclude := regexp.MustCompile(DefaultExclude)
-	if conf.Exclude != "" {
-		exclude = regexp.MustCompile(conf.Exclude)
-	}
-
-	indexOnlyOnLeader := map[string]*types.IndicesRecord{}
-	for name, index := range indices[leader] {
-		if exclude.MatchString(name) {
-			continue
-		}
-
-		_, followerHasIt := indices[follower][name]
-		if !followerHasIt {
-			// fetch index details
-			res, err := conf.Clusters[leader].ES.Indices.Get(name).
-				Header("content-type", "application/json").
-				Header("accept", "application/json").
-				Do(context.Background())
+		switch {
+		case conf.Transient:
+			message, err := json.Marshal(value)
 			if err != nil {
-				continue // ignore it then
+				return fmt.Errorf("failed to marshall transient value <%v> to valid JSON: %s", value, err)
 			}
-
-			_, defined := res[name]
-			if !defined {
-				// json response map didn't contain the index
-				continue
-			}
-
-			isWritable := false
-			for _, alias := range res[name].Aliases {
-				if *alias.IsWriteIndex {
-					isWritable = true
-					break
-				}
-			}
-
-			if isWritable {
-				// ignore index if associated alias index is writing
-				continue
-			}
-
-			indexOnlyOnLeader[name] = index
-		}
-	}
-
-	if len(indexOnlyOnLeader) == 0 {
-		return true
-	}
-
-	idx := 0
-	table := NewTable(3, len(indexOnlyOnLeader))
-	table.Addheaders("index only on leader", "size", "docscount")
-
-	for name, index := range indexOnlyOnLeader {
-		name := Colorize("red", name)
-
-		table.entries[idx] = []string{name, *index.DatasetSize, *index.DocsCount}
-		idx++
-	}
-
-	table.Sort()
-	table.PrintMarkdown()
-
-	return false
-}
-
-// find indices only present on follower
-func findOrphanedIndices(conf *cfg.Config, indices ClusterIndices, leader, follower string) bool {
-	orphaned := map[string]*types.IndicesRecord{}
-
-	for name, index := range indices[follower] {
-		_, leaderHasIt := indices[leader][name]
-		if !leaderHasIt {
-			// fetch index details
-			res, err := conf.Clusters[follower].ES.Indices.Get(name).
-				Header("content-type", "application/json").
-				Header("accept", "application/json").
-				Do(context.Background())
+			put.AddTransient(setting, message)
+		case conf.Persistent:
+			fallthrough
+		default:
+			message, err := json.Marshal(value)
 			if err != nil {
-				continue // ignore it then
+				return fmt.Errorf("failed to marshall persistent value <%v> to valid JSON: %s", value, err)
 			}
-
-			_, defined := res[name]
-			if !defined {
-				// json response map didn't contain the index
-				continue
-			}
-
-			orphaned[name] = index
+			put.AddPersistent(setting, message)
 		}
 	}
 
-	if len(orphaned) == 0 {
-		return true
+	_, err := put.
+		Header("content-type", "application/json").
+		Header("accept", "application/json").
+		Do(context.Background())
+
+	if err != nil {
+		return fmt.Errorf("failed to set settings: %s", err)
 	}
 
-	idx := 0
-	table := NewTable(3, len(orphaned))
-	table.Addheaders("orphaned index on follower", "size", "docscount")
-
-	for name, index := range orphaned {
-		name := Colorize("red", name)
-
-		table.entries[idx] = []string{name, *index.DatasetSize, *index.DocsCount}
-		idx++
-	}
-
-	table.Sort()
-	table.PrintMarkdown()
-
-	return false
-}
-
-// find red indices on follower
-func findFailedFollowerIndices(conf *cfg.Config, indices ClusterIndices, follower string) bool {
-	red := map[string]*types.IndicesRecord{}
-
-	for name, index := range indices[follower] {
-		if *index.Health == "red" {
-			red[name] = index
-		}
-	}
-
-	if len(red) == 0 {
-		return true
-	}
-
-	idx := 0
-	table := NewTable(3, len(red))
-	table.Addheaders("red index on follower", "size", "docscount")
-
-	for name, index := range red {
-		name := Colorize("red", name)
-
-		table.entries[idx] = []string{name, *index.DatasetSize, *index.DocsCount}
-		idx++
-	}
-
-	table.Sort()
-	table.PrintMarkdown()
-
-	return false
+	return nil
 }

pkg/es/index.go

@@ -20,11 +20,39 @@ import (
 	"context"
 	"fmt"
 	"log/slog"
+	"strconv"
+	"time"
 
 	"codeberg.org/scip/esctl/pkg/cfg"
+	"github.com/elastic/go-elasticsearch/v9/typedapi/esdsl"
 	"github.com/elastic/go-elasticsearch/v9/typedapi/types/enums/healthstatus"
 )
 
+type Settings struct {
+	wait_for_active_shards string
+	number_of_shards       int
+	number_of_replicas     int
+}
+
+// used for completion
+func IndexNames(conf *cfg.Config) ([]string, error) {
+	res, err := conf.DefaultCluster.ES.Cat.Indices().
+		Header("content-type", "application/json").
+		Header("accept", "application/json").
+		Do(context.Background())
+
+	if err != nil {
+		return nil, fmt.Errorf("Error getting indicies: %s", err)
+	}
+
+	indices := make([]string, len(res))
+	for idx, index := range res {
+		indices[idx] = *index.Index
+	}
+
+	return indices, nil
+}
+
 func IndexList(conf *cfg.Config) error {
 	cat := conf.DefaultCluster.ES.Cat.Indices().
 		// we need to add custom request headers, required for older ES instances
@@ -70,6 +98,10 @@ func IndexList(conf *cfg.Config) error {
 }
 
 func IndexShow(conf *cfg.Config, index string) error {
+	if index == "" {
+		return fmt.Errorf("no index specified")
+	}
+
 	res, err := conf.DefaultCluster.ES.Indices.Get(index).
 		// we need to add custom request headers, required for older ES instances
 		Header("content-type", "application/json").
@@ -81,7 +113,73 @@ func IndexShow(conf *cfg.Config, index string) error {
 
 	slog.Debug("ES result", "index", res)
 
-	// FIXME: add table printer like SnapshotShow
+	table := NewTable(2, 5)
+	table.Addheaders("field", "value")
+
+	ts, err := strconv.ParseInt(res[index].Settings.Index.CreationDate.(string), 10, 64)
+	if err != nil {
+		ts = 0
+	}
+
+	created := time.Unix(ts/1000, 0)
+
+	table.entries = [][]string{
+		{"name", index},
+		{"replicas", *res[index].Settings.Index.NumberOfReplicas},
+		{"shards", *res[index].Settings.Index.NumberOfShards},
+		{"created", created.Format("2006-01-02 15:04:05")},
+		{"uuid", *res[index].Settings.Index.Uuid},
+	}
+
+	table.PrintMarkdown()
+
+	return nil
+}
+
+func IndexCreate(conf *cfg.Config, index string) error {
+	if index == "" {
+		return fmt.Errorf("no index specified")
+	}
+
+	settings := esdsl.NewIndexSettings()
+
+	create := conf.DefaultCluster.ES.Indices.Create(index).
+		Header("content-type", "application/json").
+		Header("accept", "application/json")
+
+	if conf.Wait {
+		create.WaitForActiveShards("all")
+	}
+
+	if conf.Shards > 0 {
+		settings = settings.NumberOfShards(strconv.Itoa(conf.Shards))
+	}
+	if conf.Replicas > 0 {
+		settings = settings.NumberOfReplicas(strconv.Itoa(conf.Replicas))
+	}
+
+	_, err := create.Settings(settings).
+		Do(context.Background())
+
+	if err != nil {
+		return fmt.Errorf("failed to create index: %s", err)
+	}
+
+	return nil
+}
+
+func IndexDelete(conf *cfg.Config, index string) error {
+	if index == "" {
+		return fmt.Errorf("no index specified")
+	}
+
+	_, err := conf.DefaultCluster.ES.Indices.Delete(index).
+		Header("content-type", "application/json").
+		Header("accept", "application/json").
+		Do(context.Background())
+	if err != nil {
+		return fmt.Errorf("failed to delete index: %s", err)
+	}
 
 	return nil
 }

pkg/es/node.go

@@ -0,0 +1,55 @@
+/*
+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 es
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+
+	"codeberg.org/scip/esctl/pkg/cfg"
+)
+
+func NodeList(conf *cfg.Config) error {
+	// get nodes
+	nodes, err := conf.DefaultCluster.ES.Cat.Nodes().Do(context.Background())
+	if err != nil {
+		return fmt.Errorf("Error getting nodes: %s", err)
+	}
+
+	slog.Debug("ES result", "nodes", nodes)
+
+	table := NewTable(7, len(nodes))
+	table.Addheaders("name", "ip", "load1m", "load5m", "load15m", "ram %", "heap %")
+
+	for idx, node := range nodes {
+		table.entries[idx] = []string{
+			*node.Name,
+			*node.Ip,
+			*node.Load1M,
+			*node.Load5M,
+			*node.Load15M,
+			node.RamPercent.(string),
+			node.HeapPercent.(string),
+		}
+	}
+
+	table.Sort()
+	table.PrintMarkdown()
+
+	return nil
+}

pkg/es/utilities.go

@@ -0,0 +1,379 @@
+/*
+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 es
+
+import (
+	"context"
+	"fmt"
+	"regexp"
+	"strings"
+
+	"codeberg.org/scip/esctl/pkg/cfg"
+	"github.com/elastic/go-elasticsearch/v9/typedapi/cluster/health"
+	"github.com/elastic/go-elasticsearch/v9/typedapi/types"
+)
+
+// look for indicies only on leader
+func findIndicesOnlyOnMaster(conf *cfg.Config, indices ClusterIndices, leader, follower string) {
+	exclude := regexp.MustCompile(DefaultExclude)
+	if conf.Exclude != "" {
+		exclude = regexp.MustCompile(conf.Exclude)
+	}
+
+	indexOnlyOnLeader := map[string]*types.IndicesRecord{}
+	for name, index := range indices[leader] {
+		if exclude.MatchString(name) {
+			continue
+		}
+
+		_, followerHasIt := indices[follower][name]
+		if !followerHasIt {
+			// fetch index details
+			res, err := conf.Clusters[leader].ES.Indices.Get(name).
+				Header("content-type", "application/json").
+				Header("accept", "application/json").
+				Do(context.Background())
+			if err != nil {
+				continue // ignore it then
+			}
+
+			_, defined := res[name]
+			if !defined {
+				// json response map didn't contain the index
+				continue
+			}
+
+			isWritable := false
+			for _, alias := range res[name].Aliases {
+				if *alias.IsWriteIndex {
+					isWritable = true
+					break
+				}
+			}
+
+			if isWritable {
+				// ignore index if associated alias index is writing
+				continue
+			}
+
+			indexOnlyOnLeader[name] = index
+		}
+	}
+
+	idx := 0
+	table := NewTable(3, len(indexOnlyOnLeader))
+	table.Addheaders("index only on leader", "size", "docscount")
+
+	for name, index := range indexOnlyOnLeader {
+		name := Colorize("red", name)
+
+		table.entries[idx] = []string{name, *index.DatasetSize, *index.DocsCount}
+		idx++
+	}
+
+	table.Sort()
+	table.PrintMarkdown()
+}
+
+func checkClusterFollower(conf *cfg.Config, leader string) bool {
+	stats, err := conf.Clusters[leader].ES.Ccr.Stats().
+		Header("content-type", "application/json").
+		Header("accept", "application/json").
+		Do(context.Background())
+	if err != nil {
+		fmt.Printf("failed to get ccr stats from %s: %s", leader, err)
+		return false
+	}
+
+	if len(stats.AutoFollowStats.AutoFollowedClusters) == 0 {
+		// is not following anyone
+		return true
+	}
+
+	if stats.AutoFollowStats.AutoFollowedClusters[0].ClusterName != "" {
+		fmt.Println("leader/follower attribution is invalid, reverse cluster attribution and retry")
+		return false
+	}
+
+	return true
+}
+
+// checks if both clusters are green
+func checkClusterStatus(conf *cfg.Config, leader, follower string) bool {
+	status := map[string]*health.Response{}
+
+	for _, cluster := range []string{leader, follower} {
+		st, err := conf.Clusters[leader].ES.Cluster.Health().
+			Header("content-type", "application/json").
+			Header("accept", "application/json").
+			Do(context.Background())
+		if err != nil {
+			fmt.Printf("failed to get health from %s: %s", cluster, err)
+			return false
+		}
+
+		status[cluster] = st
+	}
+
+	table := NewTable(3, 5)
+
+	table.Addheaders("setting", "leader:"+leader, "follower:"+follower)
+
+	table.entries = [][]string{
+		{"Cluster Name",
+			Colorize(*&status[leader].Status.Name, status[leader].ClusterName),
+			Colorize(*&status[follower].Status.Name, status[follower].ClusterName),
+		},
+		{"Active Shards",
+			fmt.Sprintf("%d", status[leader].ActiveShards),
+			fmt.Sprintf("%d", status[follower].ActiveShards),
+		},
+		{"Active Primary Shards",
+			fmt.Sprintf("%d", status[leader].ActivePrimaryShards),
+			fmt.Sprintf("%d", status[follower].ActivePrimaryShards),
+		},
+		{"Indicies",
+			fmt.Sprintf("%d", len(status[leader].Indices)),
+			fmt.Sprintf("%d", len(status[follower].Indices)),
+		},
+		{"Nodes",
+			fmt.Sprintf("%d", status[leader].NumberOfNodes),
+			fmt.Sprintf("%d", status[follower].NumberOfNodes),
+		},
+	}
+
+	table.PrintMarkdown()
+
+	if status[leader].Status.Name == "green" && status[follower].Status.Name == "green" {
+		return true
+	}
+
+	return false
+}
+
+// finds indices on both clusters which have ilm errors
+func findIlmErrors(conf *cfg.Config, leader, follower string) bool {
+	failed := map[string]map[string]string{}
+
+	for _, cluster := range []string{leader, follower} {
+		ilm, err := conf.Clusters[cluster].ES.Ilm.ExplainLifecycle("_all").
+			OnlyManaged(true).
+			Header("content-type", "application/json").
+			Header("accept", "application/json").
+			Do(context.Background())
+		if err != nil {
+			fmt.Printf("failed to get ilm status from %s: %s", cluster, err)
+			return false
+		}
+
+		failed[cluster] = map[string]string{}
+
+		for name, ilmstate := range ilm.Indices {
+			count := ilmstate.(*types.LifecycleExplainManaged).FailedStepRetryCount
+
+			if count != nil && *count > 0 {
+				failed[cluster][name] = fmt.Sprintf("%d", *count)
+			}
+		}
+	}
+
+	if len(failed[leader]) == 0 && len(failed[follower]) == 0 {
+		return true
+	}
+
+	for idx, cluster := range []string{leader, follower} {
+		which := "leader"
+		if idx > 0 {
+			which = "follower"
+		}
+
+		if len(failed[cluster]) > 0 {
+			idx := 0
+			table := NewTable(2, len(failed[cluster]))
+			table.Addheaders("ilm errors on "+which, "errors")
+
+			for name, count := range failed[cluster] {
+				table.entries[idx] = []string{name, count}
+				idx++
+			}
+
+			table.Sort()
+			table.PrintMarkdown()
+		}
+	}
+
+	return false
+}
+
+// find unsynchronized indicies only present on leader
+func findIndicesOnlyOnLeader(conf *cfg.Config, indices ClusterIndices, leader, follower string) bool {
+	exclude := regexp.MustCompile(DefaultExclude)
+	if conf.Exclude != "" {
+		exclude = regexp.MustCompile(conf.Exclude)
+	}
+
+	indexOnlyOnLeader := map[string]*types.IndicesRecord{}
+	for name, index := range indices[leader] {
+		if exclude.MatchString(name) {
+			continue
+		}
+
+		_, followerHasIt := indices[follower][name]
+		if !followerHasIt {
+			// fetch index details
+			res, err := conf.Clusters[leader].ES.Indices.Get(name).
+				Header("content-type", "application/json").
+				Header("accept", "application/json").
+				Do(context.Background())
+			if err != nil {
+				continue // ignore it then
+			}
+
+			_, defined := res[name]
+			if !defined {
+				// json response map didn't contain the index
+				continue
+			}
+
+			isWritable := false
+			for _, alias := range res[name].Aliases {
+				if *alias.IsWriteIndex {
+					isWritable = true
+					break
+				}
+			}
+
+			if isWritable {
+				// ignore index if associated alias index is writing
+				continue
+			}
+
+			indexOnlyOnLeader[name] = index
+		}
+	}
+
+	if len(indexOnlyOnLeader) == 0 {
+		return true
+	}
+
+	idx := 0
+	table := NewTable(3, len(indexOnlyOnLeader))
+	table.Addheaders("index only on leader", "size", "docscount")
+
+	for name, index := range indexOnlyOnLeader {
+		name := Colorize("red", name)
+
+		table.entries[idx] = []string{name, *index.DatasetSize, *index.DocsCount}
+		idx++
+	}
+
+	table.Sort()
+	table.PrintMarkdown()
+
+	return false
+}
+
+// find indices only present on follower
+func findOrphanedIndices(conf *cfg.Config, indices ClusterIndices, leader, follower string) bool {
+	orphaned := map[string]*types.IndicesRecord{}
+
+	for name, index := range indices[follower] {
+		_, leaderHasIt := indices[leader][name]
+		if !leaderHasIt {
+			// fetch index details
+			res, err := conf.Clusters[follower].ES.Indices.Get(name).
+				Header("content-type", "application/json").
+				Header("accept", "application/json").
+				Do(context.Background())
+			if err != nil {
+				continue // ignore it then
+			}
+
+			_, defined := res[name]
+			if !defined {
+				// json response map didn't contain the index
+				continue
+			}
+
+			orphaned[name] = index
+		}
+	}
+
+	if len(orphaned) == 0 {
+		return true
+	}
+
+	idx := 0
+	table := NewTable(3, len(orphaned))
+	table.Addheaders("orphaned index on follower", "size", "docscount")
+
+	for name, index := range orphaned {
+		name := Colorize("red", name)
+
+		table.entries[idx] = []string{name, *index.DatasetSize, *index.DocsCount}
+		idx++
+	}
+
+	table.Sort()
+	table.PrintMarkdown()
+
+	return false
+}
+
+// find red indices on follower
+func findFailedFollowerIndices(conf *cfg.Config, indices ClusterIndices, follower string) bool {
+	red := map[string]*types.IndicesRecord{}
+
+	for name, index := range indices[follower] {
+		if *index.Health == "red" {
+			red[name] = index
+		}
+	}
+
+	if len(red) == 0 {
+		return true
+	}
+
+	idx := 0
+	table := NewTable(3, len(red))
+	table.Addheaders("red index on follower", "size", "docscount")
+
+	for name, index := range red {
+		name := Colorize("red", name)
+
+		table.entries[idx] = []string{name, *index.DatasetSize, *index.DocsCount}
+		idx++
+	}
+
+	table.Sort()
+	table.PrintMarkdown()
+
+	return false
+}
+
+func splitArg(arg string) (string, string) {
+	parts := strings.Split(arg, ":")
+
+	switch len(parts) {
+	case 0:
+		fallthrough
+	case 1:
+		return arg, ""
+	default:
+		return parts[0], parts[1]
+	}
+}