Updated docs

Author: alex-arica

Backlog

@@ -1,9 +1,7 @@
 Features in order of priority:
 
-- add a test in spec_readinessProbe_test and spec_livenessProbe_test so that
-  we test the default behaviour when no option is set from the YAML
-
-- #20 : Delete PVC
+- being able to configure how sensitive is hte automatic recovery process
+  by setting a time value in seconds
 
 - #12 : Reuse PVC (see below) and Primary becomes a Replica
 
@@ -12,9 +10,12 @@ Features in order of priority:
         - "delete": the PVC will be deleted
         - "reuse": if the state of the PVC is healthy, it will be reused by the newly created Replica pod. I think that matches with your suggestion?
 
-- #30: Add one or many sidecar container options in Kubegres YAML
+- #20 : Delete PVC (is it the same as #12?)
 
-- #?: PG bouncer
+- add a test in spec_readinessProbe_test and spec_livenessProbe_test so that
+  we test the default behaviour when no option is set from the YAML
+
+- #30: Add one or many sidecar container options in Kubegres YAML
 
 - #51: add documentation about how to recover backup
 - add use cases documentation, for example how to expand storage manually and how to upgrade Postgres major version.
@@ -30,6 +31,8 @@ Features in order of priority:
 
 - #10 : Deploy Kubegres with a HELM chart
 
+- #?: PG bouncer
+
 - #? : Add a field to allow restarting StatefulSets and Pods via the YAML of "Kind: Kubegres"?
 
 Blocked:

README.md

@@ -17,7 +17,7 @@ stateful-set's life-cycle and data replication could be with Kubernetes.
 
 * It provides a very simple YAML with properties specialised for PostgreSql.
 
-* It is resilient, has over [85 automatized tests](https://github.com/reactive-tech/kubegres/tree/main/internal/test) cases and
+* It is resilient, has over [93 automatized tests](https://github.com/reactive-tech/kubegres/tree/main/internal/test) cases and
   has been running in production.
 
 

config/localresource/custom-namespace/backup-pvc.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: backup
+  namespace: custom
+spec:
+  storageClassName: "standard"
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 10Mi

config/localresource/custom-namespace/configMap.yaml

@@ -31,19 +31,16 @@ data:
     echo "$dt - Running: psql -v ON_ERROR_STOP=1 --username $POSTGRES_USER --dbname $POSTGRES_DB ...";
 
     psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
-
+      CREATE USER $customUserName WITH PASSWORD '$POSTGRES_MYAPP_PASSWORD';
       CREATE DATABASE $customDatabaseName;
       \connect $customDatabaseName;
-
+      GRANT ALL ON SCHEMA public TO $customUserName;
+    EOSQL
+  
+    psql -v ON_ERROR_STOP=1 --username "$customUserName" --dbname "$customDatabaseName" <<-EOSQL
       CREATE TABLE account(user_id serial PRIMARY KEY, username VARCHAR (50) NOT NULL);
       INSERT INTO account VALUES (1, 'username1');
       INSERT INTO account VALUES (2, 'username2');
-
-      CREATE USER $customUserName WITH PASSWORD '$POSTGRES_MYAPP_PASSWORD';
-      GRANT SELECT, INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, TRIGGER ON ALL TABLES IN SCHEMA public TO $customUserName;
-      GRANT USAGE, SELECT, UPDATE ON ALL SEQUENCES IN SCHEMA public TO $customUserName;
-      GRANT USAGE, CREATE ON SCHEMA public TO $customUserName;
-
     EOSQL
 
     echo "$dt - Init script is completed";

config/localresource/custom-namespace/kubegres.yaml

@@ -25,7 +25,7 @@ spec:
 
   #backup:
   #  schedule: "*/1 * * * *"
-  #  pvcName: postgres-db-mypostgres-2-0
+  #  pvcName: backup
   #  volumeMount: /tmp/mypostgres
 
   env:

config/localresource/custom-namespace/kustomization.yaml

@@ -2,6 +2,7 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 
 resources:
+  - backup-pvc.yaml
   - namespace.yaml
   - secret.yaml
   - configMap.yaml

config/localresource/default-namespace/backup-pvc.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: backup
+  namespace: default
+spec:
+  storageClassName: "standard"
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 10Mi

config/localresource/default-namespace/configMap.yaml

@@ -31,19 +31,16 @@ data:
     echo "$dt - Running: psql -v ON_ERROR_STOP=1 --username $POSTGRES_USER --dbname $POSTGRES_DB ...";
 
     psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
-
+      CREATE USER $customUserName WITH PASSWORD '$POSTGRES_MYAPP_PASSWORD';
       CREATE DATABASE $customDatabaseName;
       \connect $customDatabaseName;
-
+      GRANT ALL ON SCHEMA public TO $customUserName;
+    EOSQL
+    
+    psql -v ON_ERROR_STOP=1 --username "$customUserName" --dbname "$customDatabaseName" <<-EOSQL
       CREATE TABLE account(user_id serial PRIMARY KEY, username VARCHAR (50) NOT NULL);
       INSERT INTO account VALUES (1, 'username1');
       INSERT INTO account VALUES (2, 'username2');
-  
-      CREATE USER $customUserName WITH PASSWORD '$POSTGRES_MYAPP_PASSWORD';
-      GRANT SELECT, INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, TRIGGER ON ALL TABLES IN SCHEMA public TO $customUserName;
-      GRANT USAGE, SELECT, UPDATE ON ALL SEQUENCES IN SCHEMA public TO $customUserName;
-      GRANT USAGE, CREATE ON SCHEMA public TO $customUserName;
-
     EOSQL
-
+    
     echo "$dt - Init script is completed";

config/localresource/default-namespace/kubegres.yaml

@@ -51,8 +51,8 @@ spec:
   #  promotePod: "mypostgres-3-0"
 
   #backup:
-  #  schedule: "*/1 * * * *"
-  #  pvcName: postgres-db-mypostgres-2-0
+  #  schedule: "*/5 * * * *"
+  #  pvcName: backup
   #  volumeMount: /tmp/mypostgres
 
   #imagePullSecrets:
@@ -110,6 +110,12 @@ spec:
   #               storage: 1Gi
 
   env:
+    - name: PGPASSWORD
+      valueFrom:
+        secretKeyRef:
+          name: mypostgres-secret
+          key: superUserPassword
+
     - name: POSTGRES_PASSWORD
       valueFrom:
         secretKeyRef:

config/localresource/default-namespace/kustomization.yaml

@@ -2,6 +2,7 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 
 resources:
+  - backup-pvc.yaml
   - secret.yaml
   - configMap.yaml
   - kubegres.yaml