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mv index allocate to shard allocate, add explanations, fixes #71 (#75)

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This commit is contained in:
T. von Dein
2026-07-07 08:39:32 +02:00
parent c35ffa5e4b
commit f10366dbde
6 changed files with 100 additions and 98 deletions
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58
pkg/es/index.go
View File

@@ -261,64 +261,6 @@ func IndexClose(conf *cfg.Config, index string) error {
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 = [][]any{
{"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", 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 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).

60
pkg/es/shard.go
View File

@@ -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: %s", 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
}