che-operator/pkg/deploy/postgres/postgres.go

125 lines
3.4 KiB
Go

//
// Copyright (c) 2019-2021 Red Hat, Inc.
// This program and the accompanying materials are made
// available under the terms of the Eclipse Public License 2.0
// which is available at https://www.eclipse.org/legal/epl-2.0/
//
// SPDX-License-Identifier: EPL-2.0
//
// Contributors:
// Red Hat, Inc. - initial API and implementation
//
package postgres
import (
"strings"
orgv1 "github.com/eclipse-che/che-operator/api/v1"
"github.com/eclipse-che/che-operator/pkg/deploy"
"github.com/eclipse-che/che-operator/pkg/util"
"github.com/sirupsen/logrus"
appsv1 "k8s.io/api/apps/v1"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
)
type PostgresReconciler struct {
deploy.Reconcilable
}
func NewPostgresReconciler() *PostgresReconciler {
return &PostgresReconciler{}
}
func (p *PostgresReconciler) Reconcile(ctx *deploy.DeployContext) (reconcile.Result, bool, error) {
if ctx.CheCluster.Spec.Database.ExternalDb {
return reconcile.Result{}, true, nil
}
done, err := p.syncService(ctx)
if !done {
return reconcile.Result{}, false, err
}
done, err = p.syncPVC(ctx)
if !done {
return reconcile.Result{}, false, err
}
done, err = p.syncDeployment(ctx)
if !done {
return reconcile.Result{}, false, err
}
if ctx.CheCluster.Spec.Database.PostgresVersion == "" {
if !util.IsTestMode() { // ignore in tests
done, err := p.setDbVersion(ctx)
if !done {
return reconcile.Result{}, false, err
}
}
}
return reconcile.Result{}, true, nil
}
func (p *PostgresReconciler) Finalize(ctx *deploy.DeployContext) bool {
return true
}
func (p *PostgresReconciler) syncService(ctx *deploy.DeployContext) (bool, error) {
return deploy.SyncServiceToCluster(ctx, deploy.PostgresName, []string{deploy.PostgresName}, []int32{5432}, deploy.PostgresName)
}
func (p *PostgresReconciler) syncPVC(ctx *deploy.DeployContext) (bool, error) {
pvcClaimSize := util.GetValue(ctx.CheCluster.Spec.Database.PvcClaimSize, deploy.DefaultPostgresPvcClaimSize)
done, err := deploy.SyncPVCToCluster(ctx, deploy.DefaultPostgresVolumeClaimName, pvcClaimSize, deploy.PostgresName)
if !done {
if err == nil {
logrus.Infof("Waiting on pvc '%s' to be bound. Sometimes PVC can be bound only when the first consumer is created.", deploy.DefaultPostgresVolumeClaimName)
}
}
return done, err
}
func (p *PostgresReconciler) syncDeployment(ctx *deploy.DeployContext) (bool, error) {
clusterDeployment := &appsv1.Deployment{}
exists, err := deploy.GetNamespacedObject(ctx, deploy.PostgresName, clusterDeployment)
if err != nil {
return false, err
}
if !exists {
clusterDeployment = nil
}
specDeployment, err := p.getDeploymentSpec(clusterDeployment, ctx)
if err != nil {
return false, err
}
return deploy.SyncDeploymentSpecToCluster(ctx, specDeployment, deploy.DefaultDeploymentDiffOpts)
}
func (p *PostgresReconciler) setDbVersion(ctx *deploy.DeployContext) (bool, error) {
postgresVersion, err := util.K8sclient.ExecIntoPod(
ctx.CheCluster,
deploy.PostgresName,
func(cr *orgv1.CheCluster) (string, error) {
// don't take into account bugfix version
return "postgres -V | awk '{print $NF}' | cut -d '.' -f1-2", nil
},
"get PostgreSQL version")
if err != nil {
return false, err
}
postgresVersion = strings.TrimSpace(postgresVersion)
ctx.CheCluster.Spec.Database.PostgresVersion = postgresVersion
err = deploy.UpdateCheCRSpec(ctx, "database.postgresVersion", postgresVersion)
if err != nil {
return false, err
}
return true, nil
}