[CPS] Use common postgres for CPS

Add option for CPS to use common postgres

Issue-ID: OOM-2839
Signed-off-by: Abdelmuhaimen Seaudi <abdelmuhaimen.seaudi@orange.com>
Change-Id: Ida133999f26cf50d59103aa30a90c97fba3e66a0

8 files changed, 336 insertions, 0 deletions

diff --git a/kubernetes/common/postgres-init/.helmignore b/kubernetes/common/postgres-init/.helmignore
new file mode 100644
index 0000000000..f0c1319444
--- /dev/null
+++ b/kubernetes/common/postgres-init/.helmignore
@@ -0,0 +1,21 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
diff --git a/kubernetes/common/postgres-init/Chart.yaml b/kubernetes/common/postgres-init/Chart.yaml
new file mode 100644
index 0000000000..7de0d9acb6
--- /dev/null
+++ b/kubernetes/common/postgres-init/Chart.yaml
@@ -0,0 +1,18 @@
+# Copyright © 2021 Orange
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+description: Chart for Postgres init job
+name: postgres-init
+version: 8.0.0
diff --git a/kubernetes/common/postgres-init/requirements.yaml b/kubernetes/common/postgres-init/requirements.yaml
new file mode 100644
index 0000000000..1a4ab2f2cf
--- /dev/null
+++ b/kubernetes/common/postgres-init/requirements.yaml
@@ -0,0 +1,21 @@
+# Copyright © 2021 Orange
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+dependencies:
+  - name: common
+    version: ~8.x-0
+    repository: 'file://../common'
+  - name: repositoryGenerator
+    version: ~8.x-0
+    repository: 'file://../repositoryGenerator'
diff --git a/kubernetes/common/postgres-init/resources/config/setup.sql b/kubernetes/common/postgres-init/resources/config/setup.sql
new file mode 100644
index 0000000000..06e07245be
--- /dev/null
+++ b/kubernetes/common/postgres-init/resources/config/setup.sql
@@ -0,0 +1,19 @@
+--- User Setup
+CREATE USER "${PG_USER}" LOGIN;
+ALTER USER "${PG_USER}" PASSWORD '${PG_PASSWORD}';
+
+CREATE DATABASE ${PG_DATABASE};
+GRANT ALL PRIVILEGES ON DATABASE ${PG_DATABASE} TO "${PG_USER}";
+
+--- PG_DATABASE Setup
+
+\c ${PG_DATABASE}
+
+CREATE EXTENSION IF NOT EXISTS pg_stat_statements;
+CREATE EXTENSION IF NOT EXISTS pgaudit;
+
+--- Create schema for PG_USER
+
+\c ${PG_DATABASE}
+
+CREATE SCHEMA IF NOT EXISTS "${PG_USER}" AUTHORIZATION "${PG_USER}";
diff --git a/kubernetes/common/postgres-init/templates/configmap.yaml b/kubernetes/common/postgres-init/templates/configmap.yaml
new file mode 100644
index 0000000000..66c28a0c69
--- /dev/null
+++ b/kubernetes/common/postgres-init/templates/configmap.yaml
@@ -0,0 +1,29 @@
+{{/*
+# Copyright © 2021 Orange
+#
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+*/}}
+
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "common.fullname" . }}
+  namespace: {{ include "common.namespace" . }}
+  labels:
+    app: {{ include "common.name" . }}
+    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    release: {{ include "common.release" . }}
+    heritage: {{ .Release.Service }}
+data:
+{{ tpl (.Files.Glob "resources/config/*").AsConfig . | indent 2 }}
diff --git a/kubernetes/common/postgres-init/templates/job.yaml b/kubernetes/common/postgres-init/templates/job.yaml
new file mode 100644
index 0000000000..01151bb4a9
--- /dev/null
+++ b/kubernetes/common/postgres-init/templates/job.yaml
@@ -0,0 +1,121 @@
+{{/*
+# Copyright © 2021 Orange
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+*/}}
+
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: {{ include "common.fullname" . }}-config-job
+  namespace: {{ include "common.namespace" . }}
+  labels:
+    app: {{ include "common.name" . }}
+    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    release: {{ include "common.release" . }}
+    heritage: {{ .Release.Service }}
+spec:
+  backoffLimit: 20
+  template:
+    metadata:
+      labels:
+        app: {{ include "common.name" . }}
+        release: {{ include "common.release" . }}
+      name: {{ include "common.name" . }}
+    spec:
+      initContainers:
+      - name: {{ include "common.name" . }}-readiness
+        command:
+        - /app/ready.py
+        args:
+        - --container-name
+        - {{ .Values.global.postgres.container.name }}
+        env:
+        - name: NAMESPACE
+          valueFrom:
+            fieldRef:
+              apiVersion: v1
+              fieldPath: metadata.namespace
+        image: {{ include "repositoryGenerator.image.readiness" . }}
+        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
+      containers:
+      - command:
+        - sh
+        args:
+        - -c
+        - |
+          function prepare_password {
+            echo -n $1 | sed -e "s/'/''/g"
+          }
+          export PG_PASSWORD=`prepare_password $PG_PASSWORD_INPUT`;
+          export PG_ROOT_PASSWORD=`prepare_password $PG_ROOT_PASSWORD_INPUT`;
+          cd /config-input && for PFILE in `ls -1 .`; do envsubst <${PFILE} >/config/${PFILE}; done;
+          psql "postgresql://postgres:$PG_ROOT_PASSWORD@$PG_HOST" < /config/setup.sql
+        env:
+        - name: PG_HOST
+          value: "{{ .Values.global.postgres.service.name2 }}"
+        - name: PG_PRIMARY_USER
+          value: primaryuser
+        - name: MODE
+          value: postgres
+        - name: PG_PRIMARY_PASSWORD_INPUT
+          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.postgres.secret.primaryPasswordUID" .) "key" "password") | indent 10 }}
+        - name: PG_USER
+          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.postgres.secret.userCredentialsUID" .) "key" "login") | indent 10 }}
+        - name: PG_PASSWORD_INPUT
+          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.postgres.secret.userCredentialsUID" .) "key" "password") | indent 10 }}
+        - name: PG_DATABASE
+          value: "{{ .Values.config.pgDatabase }}"
+        - name: PG_ROOT_PASSWORD_INPUT
+          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" (include "common.postgres.secret.rootPassUID" .) "key" "password") | indent 10 }}
+        volumeMounts:
+        - mountPath: /config-input/setup.sql
+          name: config
+          subPath: setup.sql
+        - mountPath: /config
+          name: pgconf
+        image: {{ include "repositoryGenerator.image.postgres" . }}
+        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
+        name: {{ include "common.name" . }}-update-config
+        volumeMounts:
+        - mountPath: /etc/localtime
+          name: localtime
+          readOnly: true
+        - mountPath: /config-input/setup.sql
+          name: config
+          subPath: setup.sql
+        - mountPath: /config
+          name: pgconf
+        resources:
+{{ include "common.resources" . | indent 12 }}
+      {{- if .Values.nodeSelector }}
+      nodeSelector:
+{{ toYaml .Values.nodeSelector | indent 10 }}
+      {{- end -}}
+      {{- if .Values.affinity }}
+      affinity:
+{{ toYaml .Values.affinity | indent 10 }}
+      {{- end }}
+      volumes:
+      - name: localtime
+        hostPath:
+          path: /etc/localtime
+      - name: config
+        configMap:
+          name: {{ include "common.fullname" . }}
+      - name: pgconf
+        emptyDir:
+          medium: Memory
+      restartPolicy: Never
+      imagePullSecrets:
+      - name: "{{ include "common.namespace" . }}-docker-registry-key"
diff --git a/kubernetes/common/postgres-init/templates/secrets.yaml b/kubernetes/common/postgres-init/templates/secrets.yaml
new file mode 100644
index 0000000000..f3bea1ff6d
--- /dev/null
+++ b/kubernetes/common/postgres-init/templates/secrets.yaml
@@ -0,0 +1,16 @@
+{{/*
+# Copyright © 2021 Orange
+# #
+# # Licensed under the Apache License, Version 2.0 (the "License");
+# # you may not use this file except in compliance with the License.
+# # You may obtain a copy of the License at
+# #
+# #       http://www.apache.org/licenses/LICENSE-2.0
+# #
+# # Unless required by applicable law or agreed to in writing, software
+# # distributed under the License is distributed on an "AS IS" BASIS,
+# # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# # See the License for the specific language governing permissions and
+# # limitations under the License.
+*/}}
+{{ include "common.secretFast" . }}
diff --git a/kubernetes/common/postgres-init/values.yaml b/kubernetes/common/postgres-init/values.yaml
new file mode 100644
index 0000000000..7bcd8e23b4
--- /dev/null
+++ b/kubernetes/common/postgres-init/values.yaml
@@ -0,0 +1,91 @@
+# Copyright © 2021 Orange
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#################################################################
+# Global configuration defaults.
+#################################################################
+global:
+  postgres:
+    service:
+      name: pgset
+    container:
+      name: postgres
+
+#################################################################
+# Secrets metaconfig
+#################################################################
+secrets:
+  - uid: '{{ include "common.postgres.secret.rootPassUID" . }}'
+    type: password
+    externalSecret: '{{ tpl (default "" .Values.config.pgRootPasswordExternalSecret) . }}'
+    password: '{{ .Values.config.pgRootPassword }}'
+  - uid: '{{ include "common.postgres.secret.userCredentialsUID" . }}'
+    type: basicAuth
+    externalSecret: '{{ tpl (default "" .Values.config.pgUserExternalSecret) . }}'
+    login: '{{ .Values.config.pgUserName }}'
+    password: '{{ .Values.config.pgUserPassword }}'
+  - uid: '{{ include "common.postgres.secret.primaryPasswordUID" . }}'
+    type: password
+    externalSecret: '{{ tpl (default "" .Values.config.pgPrimaryPasswordExternalSecret) . }}'
+    password: '{{ .Values.config.pgPrimaryPassword }}'
+
+#################################################################
+# Application configuration defaults.
+#################################################################
+
+pullPolicy: Always
+
+# application configuration
+config:
+  pgUserName: testuser
+  pgDatabase: userdb
+  pgDataPath: data
+  pgRootPasswordExternalSecret: '{{ include "common.namespace" . }}-postgres-db-root-password'
+  # pgPrimaryPassword: password
+  # pgUserPassword: password
+  # pgRootPassword: password
+
+nodeSelector: {}
+
+affinity: {}
+
+flavor: small
+
+#resources: {}
+# We usually recommend not to specify default resources and to leave this as a conscious
+# choice for the user. This also increases chances charts run on environments with little
+# resources, such as Minikube. If you do want to specify resources, uncomment the following
+# lines, adjust them as necessary, and remove the curly braces after 'resources:'.
+#
+# Example:
+# Configure resource requests and limits
+# ref: http://kubernetes.io/docs/user-guide/compute-resources/
+# Minimum memory for development is 2 CPU cores and 4GB memory
+# Minimum memory for production is 4 CPU cores and 8GB memory
+resources:
+  small:
+    limits:
+      cpu: 100m
+      memory: 300Mi
+    requests:
+      cpu: 10m
+      memory: 90Mi
+  large:
+    limits:
+      cpu: 2
+      memory: 4Gi
+    requests:
+      cpu: 1
+      memory: 2Gi
+  unlimited: {}