2631c4a95e
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>
521 lines
15 KiB
JSON
521 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": "nodejs-mongodb-example",
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"annotations": {
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"openshift.io/display-name": "Node.js + MongoDB (Ephemeral)",
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"description": "An example Node.js application with a MongoDB database. For more information about using this template, including OpenShift considerations, see https://github.com/openshift/nodejs-ex/blob/master/README.md.\n\nWARNING: Any data stored will be lost upon pod destruction. Only use this template for testing.",
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"tags": "quickstart,nodejs",
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"iconClass": "icon-nodejs",
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"template.openshift.io/long-description": "This template defines resources needed to develop a NodeJS application, including a build configuration, application deployment configuration, and database deployment configuration. The database is stored in non-persistent storage, so this configuration should be used for experimental purposes only.",
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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/nodejs-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}, ${DATABASE_SERVICE_NAME}.\n\nFor more information about using this template, including OpenShift considerations, see https://github.com/openshift/nodejs-ex/blob/master/README.md.",
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"labels": {
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"template": "nodejs-mongodb-example"
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},
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"objects": [
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{
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"kind": "Secret",
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"apiVersion": "v1",
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"metadata": {
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"name": "${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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"database-admin-password" : "${DATABASE_ADMIN_PASSWORD}"
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}
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},
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{
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"kind": "Service",
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"apiVersion": "v1",
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"metadata": {
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"name": "${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": "${NAMESPACE}",
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"name": "nodejs:4"
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},
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"env": [
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{
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"name": "NPM_MIRROR",
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"value": "${NPM_MIRROR}"
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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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"type": "Generic",
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"generic": {
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"secret": "${GENERIC_WEBHOOK_SECRET}"
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}
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}
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],
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"postCommit": {
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"script": "npm test"
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}
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}
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},
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{
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"kind": "DeploymentConfig",
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"apiVersion": "v1",
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"metadata": {
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"name": "${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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"nodejs-mongodb-example"
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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": "nodejs-mongodb-example",
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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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"env": [
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{
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"name": "DATABASE_SERVICE_NAME",
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"value": "${DATABASE_SERVICE_NAME}"
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},
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{
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"name": "MONGODB_USER",
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"valueFrom": {
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"secretKeyRef" : {
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"name" : "${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": "MONGODB_PASSWORD",
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"valueFrom": {
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"secretKeyRef" : {
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"name" : "${NAME}",
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"key" : "database-password"
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}
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}
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},
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{
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"name": "MONGODB_DATABASE",
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"value": "${DATABASE_NAME}"
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},
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{
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"name": "MONGODB_ADMIN_PASSWORD",
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"valueFrom": {
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"secretKeyRef" : {
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"name" : "${NAME}",
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"key" : "database-admin-password"
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}
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}
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}
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],
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"readinessProbe": {
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"timeoutSeconds": 3,
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"initialDelaySeconds": 3,
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"httpGet": {
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"path": "/pagecount",
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"port": 8080
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}
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},
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"livenessProbe": {
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"timeoutSeconds": 3,
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"initialDelaySeconds": 30,
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"httpGet": {
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"path": "/pagecount",
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"port": 8080
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}
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},
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"resources": {
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"limits": {
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"memory": "${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": "Service",
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"apiVersion": "v1",
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"metadata": {
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"name": "${DATABASE_SERVICE_NAME}",
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"annotations": {
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"description": "Exposes the database server"
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}
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},
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"spec": {
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"ports": [
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{
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"name": "mongodb",
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"port": 27017,
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"targetPort": 27017
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}
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],
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"selector": {
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"name": "${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": "${DATABASE_SERVICE_NAME}",
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"annotations": {
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"description": "Defines how to deploy the database"
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}
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},
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"spec": {
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"strategy": {
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"type": "Recreate"
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},
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"triggers": [
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{
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"type": "ImageChange",
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"imageChangeParams": {
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"automatic": true,
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"containerNames": [
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"mongodb"
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],
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"from": {
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"kind": "ImageStreamTag",
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"namespace": "${NAMESPACE}",
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"name": "mongodb:3.2"
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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": "${DATABASE_SERVICE_NAME}"
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}
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},
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"spec": {
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"containers": [
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{
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"name": "mongodb",
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"image": " ",
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"ports": [
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{
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"containerPort": 27017
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}
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],
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"env": [
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{
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"name": "MONGODB_USER",
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"valueFrom": {
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"secretKeyRef" : {
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"name" : "${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": "MONGODB_PASSWORD",
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"valueFrom": {
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"secretKeyRef" : {
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"name" : "${NAME}",
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"key" : "database-password"
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}
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}
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},
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{
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"name": "MONGODB_DATABASE",
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"value": "${DATABASE_NAME}"
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},
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{
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"name": "MONGODB_ADMIN_PASSWORD",
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"valueFrom": {
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"secretKeyRef" : {
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"name" : "${NAME}",
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"key" : "database-admin-password"
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}
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}
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}
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],
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"readinessProbe": {
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"timeoutSeconds": 1,
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"initialDelaySeconds": 3,
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"exec": {
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"command": [
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"/bin/sh",
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"-i",
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"-c",
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"mongo 127.0.0.1:27017/$MONGODB_DATABASE -u $MONGODB_USER -p $MONGODB_PASSWORD --eval=\"quit()\""
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]
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}
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},
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"livenessProbe": {
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"timeoutSeconds": 1,
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"initialDelaySeconds": 30,
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"tcpSocket": {
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"port": 27017
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}
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},
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"resources": {
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"limits": {
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"memory": "${MEMORY_MONGODB_LIMIT}"
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}
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},
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"volumeMounts": [
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{
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"name": "${DATABASE_SERVICE_NAME}-data",
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"mountPath": "/var/lib/mongodb/data"
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}
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]
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}
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],
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"volumes": [
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{
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"name": "${DATABASE_SERVICE_NAME}-data",
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"emptyDir": {
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"medium": ""
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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": "nodejs-mongodb-example"
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},
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{
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"name": "NAMESPACE",
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"displayName": "Namespace",
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"description": "The OpenShift Namespace where the ImageStream resides.",
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"required": true,
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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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"description": "Maximum amount of memory the Node.js container can use.",
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"required": true,
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"value": "512Mi"
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},
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{
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"name": "MEMORY_MONGODB_LIMIT",
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"displayName": "Memory Limit (MongoDB)",
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"description": "Maximum amount of memory the MongoDB container can use.",
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"required": true,
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"value": "512Mi"
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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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"description": "The URL of the repository with your application source code.",
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"required": true,
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"value": "https://github.com/openshift/nodejs-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 Node.js 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": "GENERIC_WEBHOOK_SECRET",
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"displayName": "Generic Webhook Secret",
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"description": "A secret string used to configure the Generic 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": "mongodb"
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},
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{
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"name": "DATABASE_USER",
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"displayName": "MongoDB Username",
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"description": "Username for MongoDB user that will be used for accessing the database.",
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"generate": "expression",
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"from": "user[A-Z0-9]{3}"
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},
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{
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"name": "DATABASE_PASSWORD",
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"displayName": "MongoDB Password",
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"description": "Password for the MongoDB user.",
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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": "DATABASE_NAME",
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"displayName": "Database Name",
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"required": true,
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"value": "sampledb"
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},
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{
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"name": "DATABASE_ADMIN_PASSWORD",
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"displayName": "Database Administrator Password",
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"description": "Password for the database admin user.",
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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": "NPM_MIRROR",
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"displayName": "Custom NPM Mirror URL",
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"description": "The custom NPM mirror URL",
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"value": ""
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}
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]
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}
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