Local volumes and StatefulSet to provision Master/Slave MySQL and Galera cluster

1 files changed, 75 insertions, 0 deletions

diff --git a/setup/projects/adei/vars/mysql_galera.yml b/setup/projects/adei/vars/mysql_galera.yml
new file mode 100644
index 0000000..e986268
--- /dev/null
+++ b/setup/projects/adei/vars/mysql_galera.yml
@@ -0,0 +1,75 @@
+# We need to set cluster name in environment if we configure host networking...
+galera:
+  options:
+    delete: false
+  pods:
+    galera:
+      kind: StatefulSet
+      sa: "adeidb"
+      service: { headless: true, ports: [ 3306 ] }
+      network: { host: "{{ ands_hostnet_db | default(false) }}" }
+      sched: { replicas: 3, strategy: "Recreate", restrict: { fat_storage: "1" } }
+#      update: { strategy: RollingUpdate, min_ready: 30 }
+      affinity: 
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution: 
+            nodeSelectorTerms:
+            - matchExpressions:
+              - { key: "hostid", operator: "In", values: [ "1", "2", "3" ] }
+        podAntiAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            topologyKey: kubernetes.io/hostname
+            labelSelector:
+              matchExpressions: 
+                - { key: name, operator: In, values: [ "galera" ] }
+      groups: [ "adei_db" ]
+      pvc: { 'adei_galera': {} }
+      images:
+        - image: "chsa/mysql-galera:5.7"
+          command: [ "run-mysqld-galera" ]
+          ports: [ 3306, 4444, 4567, 4568 ]
+          env:
+            - { name: "MYSQL_ROOT_PASSWORD", value: "secret@adei/root-password" } 
+            - { name: "MYSQL_USER", value: "adei" }
+            - { name: "MYSQL_USER_PRIV_SUPER", value: "1" }
+            - { name: "MYSQL_PASSWORD", value: "secret@adei/adei-password" } 
+            - { name: "MYSQL_DATABASE", value: "adei" }
+            - { name: "MYSQL_EXTRADB", value: "adei_%" }
+            - { name: "MYSQL_GALERA_USER", value: "xtrabackup_sst" }
+            - { name: "MYSQL_GALERA_PASSWORD", value: "secret@adei/service-password" }
+            - { name: "MYSQL_GALERA_CLUSTER", value: "galera-ss" }
+          mappings: 
+            - { name: "adei_galera", mount: "/var/lib/mysql/data" }
+          resources: {  request: { cpu: 2000m, mem: 4Gi }, limit: { cpu: 6000m, mem: 32Gi } }
+          probes:
+            - { type: "liveness", port: 3306 }
+            - { type: "readiness", command: [ /bin/sh, -i, -c, MYSQL_PWD="$MYSQL_PASSWORD" mysql -h 127.0.0.1 -u $MYSQL_USER -D $MYSQL_DATABASE -e 'SELECT 1' ], delay: "15", timeout: "5" }
+
+
+    grecovery:
+      sched: { replicas: 0, strategy: "Recreate", restrict: { fat_storage: "1" } }
+      affinity: 
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution: 
+            nodeSelectorTerms:
+            - matchExpressions:
+              - { key: "hostid", operator: "In", values: [ "1", "2", "3" ] }
+      groups: [ "adei_db" ]
+      images:
+        - image: "chsa/mysql-galera:5.7"
+          command: [ "run-mysqld-manager" ]
+          ports: [ 3306, 4444, 4567, 4568 ]
+          env:
+            - { name: "MYSQL_ROOT_PASSWORD", value: "secret@adei/adei-password" } 
+            - { name: "MYSQL_USER", value: "adei" }
+            - { name: "MYSQL_USER_PRIV_SUPER", value: "1" }
+            - { name: "MYSQL_PASSWORD", value: "secret@adei/adei-password" } 
+            - { name: "MYSQL_DATABASE", value: "adei" }
+            - { name: "MYSQL_EXTRADB", value: "adei_%" }
+            - { name: "MYSQL_GALERA_USER", value: "xtrabackup_sst" }
+            - { name: "MYSQL_GALERA_PASSWORD", value: "secret@adei/service-password" }
+            - { name: "POD_NAMESPACE", value: "fieldref@metadata.namespace" }
+            - { name: "MYSQL_GALERA_CLUSTER", value: "galera-ss" }
+          mappings: 
+            - { name: "adei_init", mount: "/var/lib/init" }
+            - { name: "adei_host", path: "galera", mount: "/var/lib/mysql/data" }