[keystone][pxc-db] Add support for PXC galera cluster

* Add support for PXC galera cluster URL
* Update mysql-metrics and utils charts to support galera cluster
* Remove mariadb-galera support
* Remove unused helm helper functions db_host and keystone_db_host
* Update percona_cluster to 1.1.9 with correct linkerd configuration
* Update linkerd-support and owner-info to release versions

openstack/keystone/Chart.lock

@@ -2,26 +2,26 @@ dependencies:
 - name: mariadb
   repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
   version: 0.14.2
-- name: mariadb-galera
+- name: pxc-db
   repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
-  version: 0.29.3
+  version: 0.1.22
 - name: memcached
   repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
   version: 0.5.3
 - name: mysql_metrics
   repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
-  version: 0.3.5
+  version: 0.4.1
 - name: owner-info
   repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
-  version: 0.2.3
+  version: 1.0.0
 - name: percona_cluster
   repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
-  version: 1.1.7
+  version: 1.1.9
 - name: utils
   repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
-  version: 0.15.0
+  version: 0.21.0
 - name: linkerd-support
   repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
-  version: 0.1.4
-digest: sha256:7f3e9665e9e649af94735fe7b6233667353fe5aca639dc86e295def90a56f4b7
-generated: "2024-09-30T20:42:46.060829+05:30"
+  version: 1.1.0
+digest: sha256:5f2462e20f553b94a04cf147253f3bf539da310f2eee982d59bd0a6f3a2b9ac0
+generated: "2024-12-20T11:30:41.080579+02:00"

openstack/keystone/Chart.yaml

@@ -9,34 +9,34 @@ maintainers:
 name: keystone
 sources:
   - https://github.com/sapcc/keystone
-version: 0.8.0
+version: 0.9.0
 dependencies:
   - condition: mariadb.enabled
     name: mariadb
     repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
     version: 0.14.2
-  - condition: mariadb_galera.enabled
-    name: mariadb-galera
-    alias: mariadb_galera
+  - condition: pxc_db.enabled
+    name: pxc-db
+    alias: pxc_db
     repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
-    version: 0.29.3
+    version: 0.1.22
   - name: memcached
     repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
     version: 0.5.3
   - condition: mysql_metrics.enabled
     name: mysql_metrics
     repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
-    version: 0.3.5
+    version: 0.4.1
   - name: owner-info
     repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
-    version: 0.2.3
+    version: 1.0.0
   - condition: percona_cluster.enabled
     name: percona_cluster
     repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
-    version: 1.1.7
+    version: 1.1.9
   - name: utils
     repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
-    version: 0.15.0
+    version: 0.21.0
   - name: linkerd-support
     repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
-    version: 0.1.4
+    version: 1.1.0

openstack/keystone/ci/test-values.yaml

@@ -3,7 +3,7 @@ global:
   db_region: local
   region: test
   master_password: test
-  registryAlternateRegion: test  
+  registryAlternateRegion: test
   dockerHubMirror: mirror0
   dockerHubMirrorAlternateRegion: test2
   osprofiler:
@@ -23,6 +23,21 @@ osprofiler:
   jager:
     enabled: true
 
+mariadb:
+  root_password: topSecret!
+  backup_v2:
+    enabled: false
+  users:
+    keystone:
+      name: keystone
+      password: topSecret!
+    backup:
+      name: backup
+      password:  topSecret!
+
+mysql_metrics:
+  db_password: topSecret!
+
 rabbitmq:
   users:
     default:

openstack/keystone/templates/_helpers.tpl

@@ -15,16 +15,6 @@ We truncate at 63 chars because some Kubernetes name fields are limited to this
 {{- printf "%s-%s" .Release.Name $name | trunc 63 | replace "_" "-" | trimSuffix "-" -}}
 {{- end -}}
 
-{{- define "db_host" -}}
-{{- if .Values.global.clusterDomain -}}
-{{.Release.Name}}-mariadb.{{.Release.Namespace}}.svc.{{.Values.global.clusterDomain}}
-{{- else if and .Values.mariadb_galera.enabled .Values.databaseKind (eq .Values.databaseKind "galera") -}}
-{{.Release.Name}}-mariadb.{{.Release.Namespace}}
-{{- else -}}
-{{.Release.Name}}-mariadb.{{.Release.Namespace}}.svc.kubernetes.{{.Values.global.region}}.{{.Values.global.tld}}
-{{- end -}}
-{{- end -}}
-
 {{- define "memcached_host" -}}
 {{- if .Values.global.clusterDomain -}}
 {{.Release.Name}}-memcached.{{.Release.Namespace}}.svc.{{.Values.global.clusterDomain}}
@@ -45,13 +35,6 @@ We truncate at 63 chars because some Kubernetes name fields are limited to this
 {{- end -}}
 {{- end -}}
 
-{{/*
-To satisfy common/mysql_metrics :(
-*/}}
-
-{{define "keystone_db_host"}}{{- if .Values.global.clusterDomain }}{{.Release.Name}}-mariadb.{{.Release.Namespace}}.svc.{{.Values.global.clusterDomain}}{{ else }}{{.Release.Name}}-mariadb.{{.Release.Namespace}}.svc.kubernetes.{{.Values.global.region}}.{{.Values.global.tld}}{{- end -}}{{end}}
-
-
 {{- define "2faproxy.selectorLabels" -}}
 app.kubernetes.io/name: 2faproxy
 app.kubernetes.io/instance: {{ .Release.Name }}

openstack/keystone/templates/etc/_secrets.conf.tpl

@@ -1,17 +1,10 @@
 [database]
 # Database connection string - MariaDB for regional setup
 # and Percona Cluster for inter-regional setup:
-{{ if .Values.percona_cluster.enabled -}}
-  {{/* in caase percona is active and we need to switch the connection string to mariadb-galera cluster without removing the percona cluster objects */}}
-  {{- if and .Values.mariadb_galera.enabled .Values.databaseKind (eq .Values.databaseKind "galera") -}}
-connection = mysql+pymysql://{{ .Values.mariadb_galera.mariadb.users.keystone.username }}:{{.Values.mariadb_galera.mariadb.users.keystone.password }}@{{include "db_host" .}}/{{ .Values.mariadb_galera.mariadb.database_name_to_connect }}?charset=utf8
-  {{- else }}
+{{- if or .Values.percona_cluster.enabled (eq .Values.dbType "pxc-global") }}
 connection = {{ include "db_url_pxc" . }}
-  {{- end }}
-{{- else if .Values.global.clusterDomain -}}
-connection = mysql+pymysql://{{ default .Release.Name .Values.global.dbUser }}:{{.Values.global.dbPassword }}@{{include "db_host" .}}/{{ default .Release.Name .Values.mariadb.name }}?charset=utf8
-{{- else if and .Values.mariadb_galera.enabled .Values.databaseKind (eq .Values.databaseKind "galera") -}}
-connection = mysql+pymysql://{{ .Values.mariadb_galera.mariadb.users.keystone.username }}:{{.Values.mariadb_galera.mariadb.users.keystone.password }}@{{include "db_host" .}}/{{ .Values.mariadb_galera.mariadb.database_name_to_connect }}?charset=utf8
+{{- else if .Values.dbType }}
+connection = {{ include "utils.db_url" . }}
 {{- else }}
 connection = {{ include "db_url_mysql" . }}
 {{- end }}

openstack/keystone/values.yaml

@@ -296,10 +296,36 @@ mariadb:
     # Annotate the Deployment, StatefulSet or DaemonSet with vpa-butler.cloud.sap/main-container=$MAIN_CONTAINER. That will distribute 75% of the maximum available capacity to the main container and the rest evenly across all others
     set_main_container: true
 
-# MariaDB Galera cluster as database backend
-# mariadb.enabled has to be false if Galera is enabled
-mariadb_galera:
+pxc_db:
   enabled: false
+  name: keystone
+  initdb_job: true
+  alerts:
+    support_group: identity
+  databases:
+    - keystone
+  users:
+    keystone:
+      name: keystone
+      grants:
+      - "ALL PRIVILEGES on keystone.*"
+  pxc:
+    resources:
+      requests:
+        memory: 1Gi
+    persistence:
+      size: 10Gi
+  backup:
+    enabled: false
+    s3:
+      secrets:
+        aws_access_key_id: null
+        aws_secret_access_key: null
+      config:
+        region:  DEFINED-IN-SECRETS
+        endpointUrl: DEFINED-IN-SECRETS
+    pitr:
+      enabled: false
 
 mysql_metrics:
   enabled: true