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config_reconcile_wrapper.go
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config_reconcile_wrapper.go
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/*
Copyright (C) 2022-2023 ApeCloud Co., Ltd
This file is part of KubeBlocks project
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package configuration
import (
appv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
appsv1alpha1 "github.com/apecloud/kubeblocks/apis/apps/v1alpha1"
workloads "github.com/apecloud/kubeblocks/apis/workloads/v1alpha1"
"github.com/apecloud/kubeblocks/controllers/apps/components"
cfgcore "github.com/apecloud/kubeblocks/pkg/configuration/core"
intctrlutil "github.com/apecloud/kubeblocks/pkg/controllerutil"
"github.com/apecloud/kubeblocks/pkg/generics"
)
type configSpecList []appsv1alpha1.ComponentConfigSpec
type configReconcileContext struct {
intctrlutil.ResourceFetcher[configReconcileContext]
Name string
MatchingLabels client.MatchingLabels
ConfigSpec *appsv1alpha1.ComponentConfigSpec
ConfigMap *corev1.ConfigMap
Containers []string
StatefulSets []appv1.StatefulSet
RSMList []workloads.ReplicatedStateMachine
Deployments []appv1.Deployment
ConfigConstraint *appsv1alpha1.ConfigConstraint
}
func newConfigReconcileContext(resourceCtx *intctrlutil.ResourceCtx,
cm *corev1.ConfigMap,
cc *appsv1alpha1.ConfigConstraint,
configSpecName string,
matchingLabels client.MatchingLabels) *configReconcileContext {
configContext := configReconcileContext{
ConfigMap: cm,
ConfigConstraint: cc,
Name: configSpecName,
MatchingLabels: matchingLabels,
}
return configContext.Init(resourceCtx, &configContext)
}
func (l configSpecList) findByName(name string) *appsv1alpha1.ComponentConfigSpec {
for i := range l {
configSpec := &l[i]
if configSpec.Name == name {
return configSpec
}
}
return nil
}
func (c *configReconcileContext) GetRelatedObjects() error {
return c.Cluster().
ClusterDef().
ClusterVer().
ClusterComponent().
ClusterDefComponent().
RSM().
StatefulSet().
Deployment().
Complete()
}
func (c *configReconcileContext) StatefulSet() *configReconcileContext {
stsFn := func() (err error) {
dComp := c.ClusterDefComObj
if dComp == nil || dComp.WorkloadType == appsv1alpha1.Stateless || len(c.RSMList) != 0 {
return
}
c.StatefulSets, c.Containers, err = retrieveRelatedComponentsByConfigmap(
c.Client,
c.Context,
c.Name,
generics.StatefulSetSignature,
client.ObjectKeyFromObject(c.ConfigMap),
client.InNamespace(c.Namespace),
c.MatchingLabels)
return
}
return c.Wrap(stsFn)
}
func (c *configReconcileContext) RSM() *configReconcileContext {
stsFn := func() (err error) {
dComp := c.ClusterDefComObj
if dComp == nil {
return
}
c.RSMList, c.Containers, err = retrieveRelatedComponentsByConfigmap(
c.Client,
c.Context,
c.Name,
generics.RSMSignature,
client.ObjectKeyFromObject(c.ConfigMap),
client.InNamespace(c.Namespace),
c.MatchingLabels)
if err != nil {
return
}
// fix uid mismatch bug: convert rsm to sts
// NODE: all components use the StatefulSet
for _, rsm := range c.RSMList {
var stsObject appv1.StatefulSet
if err = c.Client.Get(c.Context, client.ObjectKeyFromObject(components.ConvertRSMToSTS(&rsm)), &stsObject); err != nil {
return
}
c.StatefulSets = append(c.StatefulSets, stsObject)
}
return
}
return c.Wrap(stsFn)
}
func (c *configReconcileContext) Deployment() *configReconcileContext {
deployFn := func() (err error) {
dComp := c.ClusterDefComObj
if dComp == nil || dComp.WorkloadType != appsv1alpha1.Stateless || len(c.RSMList) != 0 {
return
}
c.Deployments, c.Containers, err = retrieveRelatedComponentsByConfigmap(
c.Client,
c.Context,
c.Name,
generics.DeploymentSignature,
client.ObjectKeyFromObject(c.ConfigMap),
client.InNamespace(c.Namespace),
c.MatchingLabels)
return
}
return c.Wrap(deployFn)
}
func (c *configReconcileContext) Complete() (err error) {
err = c.Err
if err != nil {
return
}
var configSpecs configSpecList
if configSpecs, err = cfgcore.GetConfigTemplatesFromComponent(
c.clusterComponents(),
c.clusterDefComponents(),
c.clusterVerComponents(),
c.ComponentName); err != nil {
return
}
c.ConfigSpec = configSpecs.findByName(c.Name)
return
}
func (c *configReconcileContext) clusterComponents() []appsv1alpha1.ClusterComponentSpec {
return c.ClusterObj.Spec.ComponentSpecs
}
func (c *configReconcileContext) clusterDefComponents() []appsv1alpha1.ClusterComponentDefinition {
return c.ClusterDefObj.Spec.ComponentDefs
}
func (c *configReconcileContext) clusterVerComponents() []appsv1alpha1.ClusterComponentVersion {
if c.ClusterVerObj == nil {
return nil
}
return c.ClusterVerObj.Spec.ComponentVersions
}