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logstash_watcher.go
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logstash_watcher.go
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package logstash
import (
"context"
"fmt"
logstashcrd "github.com/webcenter-fr/elasticsearch-operator/apis/logstash/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/handler"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
)
// watchElasticsearch permit to update if ElasticsearchRef change
func watchElasticsearch(c client.Client) handler.MapFunc {
return func(ctx context.Context, a client.Object) []reconcile.Request {
var (
listLogstashs *logstashcrd.LogstashList
fs fields.Selector
)
reconcileRequests := make([]reconcile.Request, 0)
// ElasticsearchRef
listLogstashs = &logstashcrd.LogstashList{}
fs = fields.ParseSelectorOrDie(fmt.Sprintf("spec.elasticsearchRef.managed.fullname=%s/%s", a.GetNamespace(), a.GetName()))
if err := c.List(context.Background(), listLogstashs, &client.ListOptions{FieldSelector: fs}); err != nil {
panic(err)
}
for _, k := range listLogstashs.Items {
reconcileRequests = append(reconcileRequests, reconcile.Request{NamespacedName: types.NamespacedName{Name: k.Name, Namespace: k.Namespace}})
}
return reconcileRequests
}
}
// watchConfigMap permit to update if configMapRef change
func watchConfigMap(c client.Client) handler.MapFunc {
return func(ctx context.Context, a client.Object) []reconcile.Request {
var (
listLogstashs *logstashcrd.LogstashList
fs fields.Selector
)
reconcileRequests := make([]reconcile.Request, 0)
// Additional volumes secrets
listLogstashs = &logstashcrd.LogstashList{}
fs = fields.ParseSelectorOrDie(fmt.Sprintf("spec.deployment.additionalVolumes.configMap.name=%s", a.GetName()))
if err := c.List(context.Background(), listLogstashs, &client.ListOptions{Namespace: a.GetNamespace(), FieldSelector: fs}); err != nil {
panic(err)
}
for _, k := range listLogstashs.Items {
reconcileRequests = append(reconcileRequests, reconcile.Request{NamespacedName: types.NamespacedName{Name: k.Name, Namespace: k.Namespace}})
}
// Env of type secrets
listLogstashs = &logstashcrd.LogstashList{}
fs = fields.ParseSelectorOrDie(fmt.Sprintf("spec.deployment.env.valueFrom.configMapKeyRef.name=%s", a.GetName()))
if err := c.List(context.Background(), listLogstashs, &client.ListOptions{Namespace: a.GetNamespace(), FieldSelector: fs}); err != nil {
panic(err)
}
for _, k := range listLogstashs.Items {
reconcileRequests = append(reconcileRequests, reconcile.Request{NamespacedName: types.NamespacedName{Name: k.Name, Namespace: k.Namespace}})
}
// EnvFrom of type secrets
listLogstashs = &logstashcrd.LogstashList{}
fs = fields.ParseSelectorOrDie(fmt.Sprintf("spec.deployment.envFrom.configMapRef.name=%s", a.GetName()))
if err := c.List(context.Background(), listLogstashs, &client.ListOptions{Namespace: a.GetNamespace(), FieldSelector: fs}); err != nil {
panic(err)
}
for _, k := range listLogstashs.Items {
reconcileRequests = append(reconcileRequests, reconcile.Request{NamespacedName: types.NamespacedName{Name: k.Name, Namespace: k.Namespace}})
}
return reconcileRequests
}
}
// watchSecret permit to update Logstash if secretRef change
func watchSecret(c client.Client) handler.MapFunc {
return func(ctx context.Context, a client.Object) []reconcile.Request {
var (
listLogstashs *logstashcrd.LogstashList
fs fields.Selector
)
reconcileRequests := make([]reconcile.Request, 0)
// Keystore secret
listLogstashs = &logstashcrd.LogstashList{}
fs = fields.ParseSelectorOrDie(fmt.Sprintf("spec.keystoreSecretRef.name=%s", a.GetName()))
if err := c.List(context.Background(), listLogstashs, &client.ListOptions{Namespace: a.GetNamespace(), FieldSelector: fs}); err != nil {
panic(err)
}
for _, k := range listLogstashs.Items {
reconcileRequests = append(reconcileRequests, reconcile.Request{NamespacedName: types.NamespacedName{Name: k.Name, Namespace: k.Namespace}})
}
// Elasticsearch API cert secret when external
listLogstashs = &logstashcrd.LogstashList{}
fs = fields.ParseSelectorOrDie(fmt.Sprintf("spec.elasticsearchRef.elasticsearchCASecretRef.name=%s", a.GetName()))
if err := c.List(context.Background(), listLogstashs, &client.ListOptions{Namespace: a.GetNamespace(), FieldSelector: fs}); err != nil {
panic(err)
}
for _, k := range listLogstashs.Items {
reconcileRequests = append(reconcileRequests, reconcile.Request{NamespacedName: types.NamespacedName{Name: k.Name, Namespace: k.Namespace}})
}
// Elasticsearch credentials
listLogstashs = &logstashcrd.LogstashList{}
fs = fields.ParseSelectorOrDie(fmt.Sprintf("spec.elasticsearchRef.secretRef.name=%s", a.GetName()))
if err := c.List(context.Background(), listLogstashs, &client.ListOptions{Namespace: a.GetNamespace(), FieldSelector: fs}); err != nil {
panic(err)
}
for _, k := range listLogstashs.Items {
reconcileRequests = append(reconcileRequests, reconcile.Request{NamespacedName: types.NamespacedName{Name: k.Name, Namespace: k.Namespace}})
}
// Additional volumes secrets
listLogstashs = &logstashcrd.LogstashList{}
fs = fields.ParseSelectorOrDie(fmt.Sprintf("spec.deployment.additionalVolumes.secret.secretName=%s", a.GetName()))
if err := c.List(context.Background(), listLogstashs, &client.ListOptions{Namespace: a.GetNamespace(), FieldSelector: fs}); err != nil {
panic(err)
}
for _, k := range listLogstashs.Items {
reconcileRequests = append(reconcileRequests, reconcile.Request{NamespacedName: types.NamespacedName{Name: k.Name, Namespace: k.Namespace}})
}
// Env of type secrets
listLogstashs = &logstashcrd.LogstashList{}
fs = fields.ParseSelectorOrDie(fmt.Sprintf("spec.deployment.env.valueFrom.secretKeyRef.name=%s", a.GetName()))
if err := c.List(context.Background(), listLogstashs, &client.ListOptions{Namespace: a.GetNamespace(), FieldSelector: fs}); err != nil {
panic(err)
}
for _, k := range listLogstashs.Items {
reconcileRequests = append(reconcileRequests, reconcile.Request{NamespacedName: types.NamespacedName{Name: k.Name, Namespace: k.Namespace}})
}
// EnvFrom of type secrets
listLogstashs = &logstashcrd.LogstashList{}
fs = fields.ParseSelectorOrDie(fmt.Sprintf("spec.deployment.envFrom.secretRef.name=%s", a.GetName()))
if err := c.List(context.Background(), listLogstashs, &client.ListOptions{Namespace: a.GetNamespace(), FieldSelector: fs}); err != nil {
panic(err)
}
for _, k := range listLogstashs.Items {
reconcileRequests = append(reconcileRequests, reconcile.Request{NamespacedName: types.NamespacedName{Name: k.Name, Namespace: k.Namespace}})
}
return reconcileRequests
}
}