113d6d01fe
Recreate strategy will allow the redeployment process to stay within 1Gi memory limit instead of requiring more memory due to extra pod is created for Rolling strategy. Signed-off-by: Vu Dinh <vdinh@redhat.com>
536 lines
15 KiB
JSON
536 lines
15 KiB
JSON
{
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"kind": "Template",
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"apiVersion": "v1",
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"metadata": {
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"name": "django-psql-persistent",
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"annotations": {
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"openshift.io/display-name": "Django + PostgreSQL (Persistent)",
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"description": "An example Django application with a PostgreSQL database. For more information about using this template, including OpenShift considerations, see https://github.com/openshift/django-ex/blob/master/README.md.",
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"tags": "quickstart,python,django",
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"iconClass": "icon-python",
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"template.openshift.io/long-description": "This template defines resources needed to develop a Django based application, including a build configuration, application deployment configuration, and database deployment configuration.",
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"template.openshift.io/provider-display-name": "Red Hat, Inc.",
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"template.openshift.io/documentation-url": "https://github.com/openshift/django-ex",
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"template.openshift.io/support-url": "https://access.redhat.com"
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}
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},
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"message": "The following service(s) have been created in your project: ${NAME}, ${DATABASE_SERVICE_NAME}.\n\nFor more information about using this template, including OpenShift considerations, see https://github.com/openshift/django-ex/blob/master/README.md.",
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"labels": {
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"template": "django-psql-persistent"
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},
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"objects": [
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{
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"kind": "Secret",
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"apiVersion": "v1",
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"metadata": {
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"name": "${NAME}"
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},
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"stringData" : {
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"database-user" : "${DATABASE_USER}",
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"database-password" : "${DATABASE_PASSWORD}",
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"django-secret-key" : "${DJANGO_SECRET_KEY}"
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}
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},
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{
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"kind": "Service",
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"apiVersion": "v1",
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"metadata": {
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"name": "${NAME}",
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"annotations": {
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"description": "Exposes and load balances the application pods",
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"service.alpha.openshift.io/dependencies": "[{\"name\": \"${DATABASE_SERVICE_NAME}\", \"kind\": \"Service\"}]"
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}
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},
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"spec": {
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"ports": [
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{
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"name": "web",
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"port": 8080,
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"targetPort": 8080
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}
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],
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"selector": {
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"name": "${NAME}"
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}
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}
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},
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{
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"kind": "Route",
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"apiVersion": "v1",
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"metadata": {
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"name": "${NAME}"
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},
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"spec": {
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"host": "${APPLICATION_DOMAIN}",
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"to": {
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"kind": "Service",
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"name": "${NAME}"
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}
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}
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},
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{
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"kind": "ImageStream",
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"apiVersion": "v1",
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"metadata": {
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"name": "${NAME}",
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"annotations": {
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"description": "Keeps track of changes in the application image"
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}
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}
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},
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{
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"kind": "BuildConfig",
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"apiVersion": "v1",
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"metadata": {
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"name": "${NAME}",
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"annotations": {
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"description": "Defines how to build the application"
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}
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},
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"spec": {
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"source": {
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"type": "Git",
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"git": {
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"uri": "${SOURCE_REPOSITORY_URL}",
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"ref": "${SOURCE_REPOSITORY_REF}"
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},
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"contextDir": "${CONTEXT_DIR}"
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},
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"strategy": {
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"type": "Source",
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"sourceStrategy": {
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"from": {
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"kind": "ImageStreamTag",
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"namespace": "${NAMESPACE}",
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"name": "python:3.5"
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},
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"env": [
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{
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"name": "PIP_INDEX_URL",
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"value": "${PIP_INDEX_URL}"
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}
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]
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}
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},
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"output": {
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"to": {
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"kind": "ImageStreamTag",
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"name": "${NAME}:latest"
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}
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},
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"triggers": [
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{
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"type": "ImageChange"
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},
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{
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"type": "ConfigChange"
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},
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{
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"type": "GitHub",
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"github": {
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"secret": "${GITHUB_WEBHOOK_SECRET}"
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}
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}
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],
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"postCommit": {
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"script": "./manage.py test"
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}
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}
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},
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{
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"kind": "DeploymentConfig",
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"apiVersion": "v1",
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"metadata": {
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"name": "${NAME}",
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"annotations": {
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"description": "Defines how to deploy the application server"
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}
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},
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"spec": {
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"strategy": {
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"type": "Recreate"
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},
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"triggers": [
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{
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"type": "ImageChange",
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"imageChangeParams": {
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"automatic": true,
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"containerNames": [
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"django-psql-persistent"
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],
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"from": {
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"kind": "ImageStreamTag",
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"name": "${NAME}:latest"
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}
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}
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},
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{
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"type": "ConfigChange"
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}
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],
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"replicas": 1,
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"selector": {
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"name": "${NAME}"
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},
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"template": {
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"metadata": {
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"name": "${NAME}",
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"labels": {
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"name": "${NAME}"
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}
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},
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"spec": {
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"containers": [
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{
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"name": "django-psql-persistent",
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"image": " ",
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"ports": [
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{
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"containerPort": 8080
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}
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],
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"readinessProbe": {
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"timeoutSeconds": 3,
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"initialDelaySeconds": 3,
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"httpGet": {
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"path": "/health",
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"port": 8080
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}
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},
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"livenessProbe": {
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"timeoutSeconds": 3,
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"initialDelaySeconds": 30,
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"httpGet": {
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"path": "/health",
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"port": 8080
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}
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},
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"env": [
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{
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"name": "DATABASE_SERVICE_NAME",
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"value": "${DATABASE_SERVICE_NAME}"
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},
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{
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"name": "DATABASE_ENGINE",
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"value": "${DATABASE_ENGINE}"
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},
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{
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"name": "DATABASE_NAME",
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"value": "${DATABASE_NAME}"
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},
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{
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"name": "DATABASE_USER",
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"valueFrom": {
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"secretKeyRef" : {
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"name" : "${NAME}",
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"key" : "database-user"
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}
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}
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},
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{
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"name": "DATABASE_PASSWORD",
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"valueFrom": {
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"secretKeyRef" : {
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"name" : "${NAME}",
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"key" : "database-password"
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}
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}
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},
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{
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"name": "APP_CONFIG",
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"value": "${APP_CONFIG}"
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},
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{
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"name": "DJANGO_SECRET_KEY",
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"valueFrom": {
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"secretKeyRef" : {
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"name" : "${NAME}",
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"key" : "django-secret-key"
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}
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}
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}
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],
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"resources": {
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"limits": {
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"memory": "${MEMORY_LIMIT}"
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}
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}
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}
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]
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}
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}
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}
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},
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{
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"kind": "PersistentVolumeClaim",
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"apiVersion": "v1",
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"metadata": {
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"name": "${DATABASE_SERVICE_NAME}"
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},
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"spec": {
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"accessModes": [
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"ReadWriteOnce"
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],
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"resources": {
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"requests": {
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"storage": "${VOLUME_CAPACITY}"
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}
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}
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}
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},
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{
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"kind": "Service",
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"apiVersion": "v1",
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"metadata": {
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"name": "${DATABASE_SERVICE_NAME}",
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"annotations": {
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"description": "Exposes the database server"
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}
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},
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"spec": {
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"ports": [
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{
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"name": "postgresql",
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"port": 5432,
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"targetPort": 5432
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}
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],
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"selector": {
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"name": "${DATABASE_SERVICE_NAME}"
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}
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}
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},
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{
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"kind": "DeploymentConfig",
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"apiVersion": "v1",
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"metadata": {
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"name": "${DATABASE_SERVICE_NAME}",
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"annotations": {
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"description": "Defines how to deploy the database"
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}
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},
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"spec": {
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"strategy": {
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"type": "Recreate"
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},
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"triggers": [
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{
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"type": "ImageChange",
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"imageChangeParams": {
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"automatic": true,
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"containerNames": [
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"postgresql"
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],
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"from": {
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"kind": "ImageStreamTag",
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"namespace": "${NAMESPACE}",
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"name": "postgresql:9.5"
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}
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}
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},
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{
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"type": "ConfigChange"
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}
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],
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"replicas": 1,
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"selector": {
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"name": "${DATABASE_SERVICE_NAME}"
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},
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"template": {
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"metadata": {
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"name": "${DATABASE_SERVICE_NAME}",
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"labels": {
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"name": "${DATABASE_SERVICE_NAME}"
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}
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},
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"spec": {
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"volumes": [
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{
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"name": "${DATABASE_SERVICE_NAME}-data",
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"persistentVolumeClaim": {
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"claimName": "${DATABASE_SERVICE_NAME}"
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}
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}
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],
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"containers": [
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{
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"name": "postgresql",
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"image": " ",
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"ports": [
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{
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"containerPort": 5432
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}
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],
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"env": [
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{
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"name": "POSTGRESQL_USER",
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"valueFrom": {
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"secretKeyRef" : {
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"name" : "${NAME}",
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"key" : "database-user"
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}
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}
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},
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{
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"name": "POSTGRESQL_PASSWORD",
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"valueFrom": {
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"secretKeyRef" : {
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"name" : "${NAME}",
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"key" : "database-password"
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}
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}
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},
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{
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"name": "POSTGRESQL_DATABASE",
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"value": "${DATABASE_NAME}"
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}
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],
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"volumeMounts": [
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{
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"name": "${DATABASE_SERVICE_NAME}-data",
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"mountPath": "/var/lib/pgsql/data"
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}
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],
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"readinessProbe": {
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"timeoutSeconds": 1,
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"initialDelaySeconds": 5,
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"exec": {
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"command": [ "/bin/sh", "-i", "-c", "psql -h 127.0.0.1 -U ${POSTGRESQL_USER} -q -d ${POSTGRESQL_DATABASE} -c 'SELECT 1'"]
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}
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},
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"livenessProbe": {
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"timeoutSeconds": 1,
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"initialDelaySeconds": 30,
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"tcpSocket": {
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"port": 5432
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}
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},
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"resources": {
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"limits": {
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"memory": "${MEMORY_POSTGRESQL_LIMIT}"
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}
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}
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}
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]
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}
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}
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}
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}
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],
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"parameters": [
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{
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"name": "NAME",
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"displayName": "Name",
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"description": "The name assigned to all of the frontend objects defined in this template.",
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"required": true,
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"value": "django-psql-persistent"
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},
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{
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"name": "NAMESPACE",
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"displayName": "Namespace",
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"required": true,
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"description": "The OpenShift Namespace where the ImageStream resides.",
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"value": "openshift"
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},
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{
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"name": "MEMORY_LIMIT",
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"displayName": "Memory Limit",
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"required": true,
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"description": "Maximum amount of memory the Django container can use.",
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"value": "512Mi"
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},
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{
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"name": "MEMORY_POSTGRESQL_LIMIT",
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"displayName": "Memory Limit (PostgreSQL)",
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"required": true,
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"description": "Maximum amount of memory the PostgreSQL container can use.",
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"value": "512Mi"
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},
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{
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"name": "VOLUME_CAPACITY",
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"displayName": "Volume Capacity",
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"description": "Volume space available for data, e.g. 512Mi, 2Gi",
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"value": "1Gi",
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"required": true
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},
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{
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"name": "SOURCE_REPOSITORY_URL",
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"displayName": "Git Repository URL",
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"required": true,
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"description": "The URL of the repository with your application source code.",
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"value": "https://github.com/openshift/django-ex.git"
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},
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{
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"name": "SOURCE_REPOSITORY_REF",
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"displayName": "Git Reference",
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"description": "Set this to a branch name, tag or other ref of your repository if you are not using the default branch."
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},
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{
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"name": "CONTEXT_DIR",
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"displayName": "Context Directory",
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"description": "Set this to the relative path to your project if it is not in the root of your repository."
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},
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{
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"name": "APPLICATION_DOMAIN",
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"displayName": "Application Hostname",
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"description": "The exposed hostname that will route to the Django service, if left blank a value will be defaulted.",
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"value": ""
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},
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{
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"name": "GITHUB_WEBHOOK_SECRET",
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"displayName": "GitHub Webhook Secret",
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"description": "A secret string used to configure the GitHub webhook.",
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"generate": "expression",
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"from": "[a-zA-Z0-9]{40}"
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},
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{
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"name": "DATABASE_SERVICE_NAME",
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"displayName": "Database Service Name",
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"required": true,
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"value": "postgresql"
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},
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{
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"name": "DATABASE_ENGINE",
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"displayName": "Database Engine",
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"required": true,
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"description": "Database engine: postgresql, mysql or sqlite (default).",
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"value": "postgresql"
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},
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{
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"name": "DATABASE_NAME",
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"displayName": "Database Name",
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"required": true,
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"value": "default"
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},
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{
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"name": "DATABASE_USER",
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"displayName": "Database Username",
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"required": true,
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"value": "django"
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},
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{
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"name": "DATABASE_PASSWORD",
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"displayName": "Database User Password",
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"generate": "expression",
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"from": "[a-zA-Z0-9]{16}"
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},
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{
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"name": "APP_CONFIG",
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"displayName": "Application Configuration File Path",
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"description": "Relative path to Gunicorn configuration file (optional)."
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},
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{
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"name": "DJANGO_SECRET_KEY",
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"displayName": "Django Secret Key",
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"description": "Set this to a long random string.",
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"generate": "expression",
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"from": "[\\w]{50}"
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},
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{
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"name": "PIP_INDEX_URL",
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"displayName": "Custom PyPi Index URL",
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"description": "The custom PyPi index URL",
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"value": ""
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}
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]
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}
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