/
op_cleanupruntimeconfig.go
132 lines (110 loc) · 3.94 KB
/
op_cleanupruntimeconfig.go
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// Copyright 2022 Namespace Labs Inc; All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
package kubeops
import (
"context"
"fmt"
"time"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"namespacelabs.dev/foundation/framework/kubernetes/kubedef"
"namespacelabs.dev/foundation/framework/kubernetes/kubeobj"
"namespacelabs.dev/foundation/internal/console"
fnschema "namespacelabs.dev/foundation/schema"
"namespacelabs.dev/foundation/std/execution"
"namespacelabs.dev/foundation/std/tasks"
)
func registerCleanup() {
execution.RegisterFuncs(execution.Funcs[*kubedef.OpCleanupRuntimeConfig]{
Handle: func(ctx context.Context, d *fnschema.SerializedInvocation, cleanup *kubedef.OpCleanupRuntimeConfig) (*execution.HandleResult, error) {
return tasks.Return(ctx, tasks.Action("kubernetes.cleanup").HumanReadablef(d.Description), func(ctx context.Context) (*execution.HandleResult, error) {
// TODO turn into noop when orchestrator with corresponding controller is published.
// Remove configmap runtime configs no longer being used.
cluster, err := kubedef.InjectedKubeCluster(ctx)
if err != nil {
return nil, err
}
client := cluster.PreparedClient().Clientset
configs, err := client.CoreV1().ConfigMaps(cleanup.Namespace).List(ctx, v1.ListOptions{
LabelSelector: kubeobj.SerializeSelector(map[string]string{
kubedef.K8sKind: kubedef.K8sRuntimeConfigKind,
}),
})
if err != nil {
return nil, err
}
if len(configs.Items) == 0 {
return nil, nil
}
usedConfigs := map[string]struct{}{}
if cleanup.CheckPods {
pods, err := client.CoreV1().Pods(cleanup.Namespace).List(ctx, v1.ListOptions{
LabelSelector: kubeobj.SerializeSelector(kubedef.ManagedByUs()),
})
if err != nil {
return nil, err
}
for _, d := range pods.Items {
if v, ok := d.Annotations[kubedef.K8sRuntimeConfig]; ok {
usedConfigs[v] = struct{}{}
}
}
} else {
deployments, err := client.AppsV1().Deployments(cleanup.Namespace).List(ctx, v1.ListOptions{
LabelSelector: kubeobj.SerializeSelector(kubedef.ManagedByUs()),
})
if err != nil {
return nil, err
}
for _, d := range deployments.Items {
if v, ok := d.Annotations[kubedef.K8sRuntimeConfig]; ok {
usedConfigs[v] = struct{}{}
}
}
statefulSets, err := client.AppsV1().StatefulSets(cleanup.Namespace).List(ctx, v1.ListOptions{
LabelSelector: kubeobj.SerializeSelector(kubedef.ManagedByUs()),
})
if err != nil {
return nil, err
}
for _, d := range statefulSets.Items {
if v, ok := d.Annotations[kubedef.K8sRuntimeConfig]; ok {
usedConfigs[v] = struct{}{}
}
}
daemonSets, err := client.AppsV1().DaemonSets(cleanup.Namespace).List(ctx, v1.ListOptions{
LabelSelector: kubeobj.SerializeSelector(kubedef.ManagedByUs()),
})
if err != nil {
return nil, err
}
for _, d := range daemonSets.Items {
if v, ok := d.Annotations[kubedef.K8sRuntimeConfig]; ok {
usedConfigs[v] = struct{}{}
}
}
}
for _, cfg := range configs.Items {
if _, ok := usedConfigs[cfg.Name]; ok {
continue
}
if time.Since(cfg.CreationTimestamp.Time) < time.Hour {
continue
}
if err := client.CoreV1().ConfigMaps(cleanup.Namespace).Delete(ctx, cfg.Name, v1.DeleteOptions{}); err != nil {
if !k8serrors.IsNotFound(err) {
fmt.Fprintf(console.Warnings(ctx), "kubernetes: failed to remove unused runtime configuration %q: %v\n", cfg.Name, err)
}
}
}
return nil, nil
})
},
PlanOrder: func(ctx context.Context, _ *kubedef.OpCleanupRuntimeConfig) (*fnschema.ScheduleOrder, error) {
return &fnschema.ScheduleOrder{
SchedAfterCategory: kubedef.Sched_JobLike,
}, nil
},
})
}