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[add_kubernetes_metadata][Metricset state_namespace] Fix namespace filter #39934

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merged 10 commits into from
Jun 26, 2024
Merged

[add_kubernetes_metadata][Metricset state_namespace] Fix namespace filter #39934

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442ef3e
Fix namespace filter.
constanca-m Jun 18, 2024
4a281d7
Fix namespace filter.
constanca-m Jun 18, 2024
1df9175
Fix namespace filter.
constanca-m Jun 19, 2024
c760ef6
Fix namespace filter.
constanca-m Jun 19, 2024
3c45d0d
Ignore lint error on metagen variables
constanca-m Jun 19, 2024
aa1d4e5
make update
constanca-m Jun 19, 2024
420ba93
lint errors
constanca-m Jun 19, 2024
9b84de8
lint errors
constanca-m Jun 19, 2024
e555e29
Update changelog
constanca-m Jun 20, 2024
a1784d6
Merge branch 'main' into k8s-metadata-processor
constanca-m Jun 25, 2024
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2 changes: 2 additions & 0 deletions CHANGELOG.next.asciidoc
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,7 @@ https://github.com/elastic/beats/compare/v8.8.1\...main[Check the HEAD diff]

*Affecting all Beats*

- Fix `namespace` filter option on `add_kubernetes_metadata` processor. {pull}39934[39934]
- Support for multiline zookeeper logs {issue}2496[2496]
- Add checks to ensure reloading of units if the configuration actually changed. {pull}34346[34346]
- Fix namespacing on self-monitoring {pull}32336[32336]
Expand Down Expand Up @@ -152,6 +153,7 @@ https://github.com/elastic/beats/compare/v8.8.1\...main[Check the HEAD diff]

*Metricbeat*

- Fix `namespace` filter option on metricset `state_namespace` enricher. {pull}39934[39934]
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- Fix `namespace` filter option at Kubernetes provider level. {pull}39881[39881]
- Fix Azure Monitor 429 error by causing metricbeat to retry the request again. {pull}38294[38294]
- Fix fields not being parsed correctly in postgresql/database {issue}25301[25301] {pull}37720[37720]
Expand Down
33 changes: 19 additions & 14 deletions libbeat/processors/add_kubernetes_metadata/kubernetes.go
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Expand Up @@ -187,9 +187,10 @@ func (k *kubernetesAnnotator) init(config kubeAnnotatorConfig, cfg *config.C) {
}

watcher, err := kubernetes.NewNamedWatcher("add_kubernetes_metadata_pod", client, &kubernetes.Pod{}, kubernetes.WatchOptions{
SyncTimeout: config.SyncPeriod,
Node: config.Node,
Namespace: config.Namespace,
SyncTimeout: config.SyncPeriod,
Node: config.Node,
Namespace: config.Namespace,
HonorReSyncs: true,
}, nil)
if err != nil {
k.log.Errorf("Couldn't create kubernetes watcher for %T", &kubernetes.Pod{})
Expand All @@ -198,35 +199,37 @@ func (k *kubernetesAnnotator) init(config kubeAnnotatorConfig, cfg *config.C) {

metaConf := config.AddResourceMetadata

options := kubernetes.WatchOptions{
SyncTimeout: config.SyncPeriod,
Node: config.Node,
Namespace: config.Namespace,
}

if metaConf.Node.Enabled() {
nodeWatcher, err = kubernetes.NewNamedWatcher("add_kubernetes_metadata_node", client, &kubernetes.Node{}, options, nil)
nodeWatcher, err = kubernetes.NewNamedWatcher("add_kubernetes_metadata_node", client, &kubernetes.Node{}, kubernetes.WatchOptions{
SyncTimeout: config.SyncPeriod,
Node: config.Node,
HonorReSyncs: true,
}, nil)
if err != nil {
k.log.Errorf("couldn't create watcher for %T due to error %+v", &kubernetes.Node{}, err)
}
}

if metaConf.Namespace.Enabled() {
namespaceWatcher, err = kubernetes.NewNamedWatcher("add_kubernetes_metadata_namespace", client, &kubernetes.Namespace{}, kubernetes.WatchOptions{
SyncTimeout: config.SyncPeriod,
SyncTimeout: config.SyncPeriod,
Namespace: config.Namespace,
HonorReSyncs: true,
}, nil)
if err != nil {
k.log.Errorf("couldn't create watcher for %T due to error %+v", &kubernetes.Namespace{}, err)
}
}

// Resource is Pod so we need to create watchers for Replicasets and Jobs that it might belongs to
// Resource is Pod, so we need to create watchers for Replicasets and Jobs that it might belong to
// in order to be able to retrieve 2nd layer Owner metadata like in case of:
// Deployment -> Replicaset -> Pod
// CronJob -> job -> Pod
if metaConf.Deployment {
replicaSetWatcher, err = kubernetes.NewNamedWatcher("resource_metadata_enricher_rs", client, &kubernetes.ReplicaSet{}, kubernetes.WatchOptions{
SyncTimeout: config.SyncPeriod,
SyncTimeout: config.SyncPeriod,
Namespace: config.Namespace,
HonorReSyncs: true,
}, nil)
if err != nil {
k.log.Errorf("Error creating watcher for %T due to error %+v", &kubernetes.ReplicaSet{}, err)
Expand All @@ -235,7 +238,9 @@ func (k *kubernetesAnnotator) init(config kubeAnnotatorConfig, cfg *config.C) {
}
if metaConf.CronJob {
jobWatcher, err = kubernetes.NewNamedWatcher("resource_metadata_enricher_job", client, &kubernetes.Job{}, kubernetes.WatchOptions{
SyncTimeout: config.SyncPeriod,
SyncTimeout: config.SyncPeriod,
Namespace: config.Namespace,
HonorReSyncs: true,
}, nil)
if err != nil {
k.log.Errorf("Error creating watcher for %T due to error %+v", &kubernetes.Job{}, err)
Expand Down
16 changes: 8 additions & 8 deletions metricbeat/module/kubernetes/util/kubernetes.go
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Expand Up @@ -29,13 +29,14 @@
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/api/resource"

kubernetes2 "github.com/elastic/beats/v7/libbeat/autodiscover/providers/kubernetes"
"github.com/elastic/beats/v7/metricbeat/mb"
"github.com/elastic/elastic-agent-autodiscover/kubernetes"
"github.com/elastic/elastic-agent-autodiscover/kubernetes/metadata"
conf "github.com/elastic/elastic-agent-libs/config"
"github.com/elastic/elastic-agent-libs/logp"
"github.com/elastic/elastic-agent-libs/mapstr"

kubernetes2 "github.com/elastic/beats/v7/libbeat/autodiscover/providers/kubernetes"
"github.com/elastic/beats/v7/metricbeat/mb"
)

type kubernetesConfig struct {
Expand Down Expand Up @@ -281,8 +282,7 @@
}

func isNamespaced(resourceName string) bool {
if resourceName == NodeResource || resourceName == PersistentVolumeResource || resourceName == StorageClassResource ||
resourceName == NamespaceResource {
if resourceName == NodeResource || resourceName == PersistentVolumeResource || resourceName == StorageClassResource {
return false
}
return true
Expand Down Expand Up @@ -590,8 +590,8 @@
return &nilEnricher{}
}

var specificMetaGen metadata.MetaGen

Check failure on line 593 in metricbeat/module/kubernetes/util/kubernetes.go

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GitHub Actions / lint (darwin) 

specificMetaGen declared and not used (typecheck)
var generalMetaGen *metadata.Resource

Check failure on line 594 in metricbeat/module/kubernetes/util/kubernetes.go

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generalMetaGen declared and not used (typecheck)
// Create the metadata generator to be used in the watcher's event handler.
// Both specificMetaGen and generalMetaGen implement Generate method for metadata collection.
if resourceName == ServiceResource || resourceName == PodResource {
Expand All @@ -604,11 +604,11 @@
return &nilEnricher{}
}

// updateFunc to be used as the resource watcher's add and update handler.
// updateFunc to be used as the resource watchers add and update handler.
// The handler function is executed when a watcher is triggered(i.e. new/updated resource).
// It is responsible for generating the metadata for a detected resource by executing the metadata generator's Generate method.
// It is responsible for generating the metadata for a detected resource by executing the metadata generators Generate method.
// It is a common handler for all resource watchers. The kind of resource(e.g. pod or deployment) is checked inside the function.
// It returns a map of a resourse identifier(i.e namespace-resource_name) as key and the metadata as value.
// It returns a map of a resource identifier(i.e. namespace-resource_name) as key and the metadata as value.
updateFunc := func(r kubernetes.Resource) map[string]mapstr.M {
accessor, _ := meta.Accessor(r)
id := accessor.GetName()
Expand Down Expand Up @@ -691,7 +691,7 @@
indexFunc := func(e mapstr.M) string {
name := getString(e, "name")
namespace := getString(e, mb.ModuleDataKey+".namespace")
id := ""
var id string
if name != "" && namespace != "" {
id = join(namespace, name)
} else if namespace != "" {
Expand Down
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