required changes implemented

Author: amansquareops-ops

README.md

@@ -116,6 +116,15 @@ module "mysql" {
 ## IAM Permissions
 The required IAM permissions to create resources from this module can be found [here](https://github.com/squareops/terraform-kubernetes-mysql/blob/main/IAM.md)
 
+## Backup
+- In order to enable backup, it require database names like "db1, db2" or if it is blank it will backup all database without sys, information schema, performance schema and mysql.
+- command using to do backup:
+```
+mysqldump -h$HOST -u$USER -p$PASSWORD --databases db_name > full-backup.sql
+```
+## Restore
+- In order to enable backup, backup should be in .sql or .zip extention.
+
 ## Important Notes
   1. In order to enable the exporter, it is required to deploy Prometheus/Grafana first.
   2. The exporter is a tool that extracts metrics data from an application or system and makes it available to be scraped by Prometheus.

examples/complete/aws/helm/values.yaml

@@ -1,94 +1,103 @@
 primary:
-  affinity:
-      nodeAffinity:
-          requiredDuringSchedulingIgnoredDuringExecution:
-              nodeSelectorTerms:
-              - matchExpressions:
-                  - key: "Infra-Services"
-                    operator: In
-                    values:
-                    - "true"
-  resources:
-      limits:
-          cpu: 350m
-          memory: 1Gi
-      requests:
-          cpu: 200m
-          memory: 700Mi
-
-  sidecars:
-    - name: slow-log
-      image: busybox:1.28
-      args: [/bin/sh, -c, 'tail -n+1 -F /bitnami/mysql/slow-log.log']
-      volumeMounts:
-      - name: data
-        mountPath: /bitnami/mysql
-      resources:
+    affinity:
+        nodeAffinity:
+            requiredDuringSchedulingIgnoredDuringExecution:
+                nodeSelectorTerms:
+                - matchExpressions:
+                    - key: "Infra-Services"
+                      operator: In
+                      values:
+                      - "true"
+    resources:
         limits:
-          cpu: 100m
-          memory: 256Mi
+            cpu: 350m
+            memory: 1Gi
         requests:
-          cpu: 50m
-          memory: 128Mi
+            cpu: 200m
+            memory: 700Mi
 
-secondary:
-  affinity:
-      nodeAffinity:
-          requiredDuringSchedulingIgnoredDuringExecution:
-              nodeSelectorTerms:
-              - matchExpressions:
-                  - key: "Infra-Services"
-                    operator: In
-                    values:
-                    - "true"
+    sidecars:
+        - name: slow-log
+          image: busybox:1.28
+          args: [/bin/sh, -c, 'tail -n+1 -F /bitnami/mysql/slow-log.log']
+          volumeMounts:
+              - name: data
+                mountPath: /bitnami/mysql
+          resources:
+              limits:
+                cpu: 100m
+                memory: 256Mi
+              requests:
+                cpu: 50m
+                memory: 128Mi
 
-  resources:
-      limits:
-          cpu: 350m
-          memory: 1Gi
-      requests:
-          cpu: 200m
-          memory: 700Mi
+secondary:
+    affinity:
+        nodeAffinity:
+            requiredDuringSchedulingIgnoredDuringExecution:
+                nodeSelectorTerms:
+                - matchExpressions:
+                    - key: "Infra-Services"
+                      operator: In
+                      values:
+                      - "true"
 
-  sidecars:
-    - name: slow-log
-      image: busybox:1.28
-      args: [/bin/sh, -c, 'tail -n+1 -F /bitnami/mysql/slow-log.log']
-      volumeMounts:
-      - name: data
-        mountPath: /bitnami/mysql
-      resources:
+    resources:
         limits:
-          cpu: 100m
-          memory: 256Mi
+            cpu: 350m
+            memory: 1Gi
         requests:
-          cpu: 50m
-          memory: 128Mi
+            cpu: 200m
+            memory: 700Mi
+
+    sidecars:
+        - name: slow-log
+          image: busybox:1.28
+          args: [/bin/sh, -c, 'tail -n+1 -F /bitnami/mysql/slow-log.log']
+          volumeMounts:
+              - name: data
+                mountPath: /bitnami/mysql
+          resources:
+              limits:
+                cpu: 100m
+                memory: 256Mi
+              requests:
+                cpu: 50m
+                memory: 128Mi
 
 metrics:
   resources:
     limits:
-        cpu: 200m
-        memory: 500Mi
+      cpu: 200m
+      memory: 500Mi
     requests:
-        cpu: 10m
-        memory: 50Mi
+      cpu: 10m
+      memory: 50Mi
 
 
+affinity:
+    nodeAffinity:
+        requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+            - matchExpressions:
+                - key: "Infra-Services"
+                  operator: In
+                  values:
+                  - "true"
 backupjob:
   resources:
     requests:
-      memory: 100Mi
-      cpu: 50m
-    limits:
-      memory: 200Mi
+      memory: 250Mi
       cpu: 100m
+    limits:
+      memory: 500Mi
+      cpu: 200m
 
 restorejob:
   resources:
     requests:
-      memory: 100Mi
-      cpu: 50m
+      memory: 250Mi
+      cpu: 100m
     limits:
-      memory: 200Mi
-      cpu: 100m
+      memory: 500Mi
+      cpu: 200m

helm/values/mysqldb/values.yaml

@@ -468,12 +468,16 @@ primary:
       - name: data
         mountPath: /bitnami/mysql
       resources:
-        limits:
-          cpu: 100m
-          memory: 256Mi
-        requests:
-          cpu: 50m
-          memory: 128Mi
+        ## Example:
+        ## limits:
+        ##    cpu: 100m
+        ##    memory: 256Mi
+        limits: {}
+        ## Examples:
+        ## requests:
+        ##    cpu: 100m
+        ##    memory: 256Mi
+        requests: {}
 
 
   ## MySQL Primary Service parameters
@@ -851,12 +855,16 @@ secondary:
       - name: data
         mountPath: /bitnami/mysql
       resources:
-        limits:
-          cpu: 100m
-          memory: 256Mi
-        requests:
-          cpu: 50m
-          memory: 128Mi
+        ## Example:
+        ## limits:
+        ##    cpu: 100m
+        ##    memory: 256Mi
+        limits: {}
+        ## Examples:
+        ## requests:
+        ##    cpu: 100m
+        ##    memory: 256Mi
+        requests: {}
   ## MySQL Secondary Service parameters
   ##
   service:

modules/backup/templates/cronjob.yaml

@@ -13,7 +13,8 @@ spec:
     spec:
       template:
         spec:
-          affinity: {{ .Values.affinity | toYaml | nindent 10 }}
+          affinity: 
+            {{- toYaml .Values.affinity | nindent 12 }}
           restartPolicy: OnFailure
           imagePullSecrets:
           - name: regcred

modules/restore/templates/job.yaml

@@ -5,7 +5,8 @@ metadata:
 spec:
   template:
     spec:
-      affinity: {{ .Values.affinity | toYaml | nindent 6 }}
+      affinity:
+        {{- toYaml .Values.affinity | nindent 8 }}
       serviceAccountName: sa-mysql-restore
       containers:
           - name: restore-mysqldb