Removes blue-green-deploy. Removes kustomize1. Moves kustomize2-guestbook to kustomize-guestbook (#12)
This commit is contained in:
parent
23eeb0925b
commit
3ef31aef9c
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@ -10,8 +10,7 @@ to explore ArgoCD and GitOps!
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| [ksonnet-guestbook](ksonnet-guestbook/) | The guestbook application as a ksonnet app |
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| [ksonnet-guestbook](ksonnet-guestbook/) | The guestbook application as a ksonnet app |
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| [helm-guestbook](helm-guestbook/) | The guestbook application as a Helm chart |
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| [helm-guestbook](helm-guestbook/) | The guestbook application as a Helm chart |
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| [jsonnet-guestbook](jsonnet-guestbook/) | The guestbook application as a raw jsonnet |
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| [jsonnet-guestbook](jsonnet-guestbook/) | The guestbook application as a raw jsonnet |
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| [kustomize-guestbook](kustomize-guestbook/) | The guestbook application as a Kustomize 1 app |
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| [kustomize2-guestbook](kustomize-guestbook/) | The guestbook application as a Kustomize 2 app |
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| [kustomize2-guestbook](kustomize2-guestbook/) | The guestbook application as a Kustomize 2 app |
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| [pre-post-sync](pre-post-sync/) | Demonstrates Argo CD PreSync and PostSync hooks |
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| [pre-post-sync](pre-post-sync/) | Demonstrates Argo CD PreSync and PostSync hooks |
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| [helm-dependency](helm-dependency/) | Demonstrates how to customize an OTS (off-the-shelf) helm chart from an upstream repo |
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| [helm-dependency](helm-dependency/) | Demonstrates how to customize an OTS (off-the-shelf) helm chart from an upstream repo |
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| [blue-green-deploy](blue-green-deploy/) | Demonstrates an Argo CD Sync hook which performs a blue/green deployment |
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| [blue-green-deploy](blue-green-deploy/) | Demonstrates an Argo CD Sync hook which performs a blue/green deployment |
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@ -1,4 +0,0 @@
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/lib
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/.ksonnet/registries
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/app.override.yaml
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/.ks_environment
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@ -1,15 +0,0 @@
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apiVersion: 0.3.0
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environments:
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default:
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destination:
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namespace: blue-green-deploy
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server: https://kubernetes.default.svc
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k8sVersion: v1.10.0
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path: default
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kind: ksonnet.io/app
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name: blue-green-deploy
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registries:
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incubator:
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protocol: github
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uri: github.com/ksonnet/parts/tree/master/incubator
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version: 0.0.1
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@ -1,71 +0,0 @@
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#!bin/bash
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DEPLOYMENT_NAME=$(echo "${DEPLOY_MANIFEST}" | jq -r '.metadata.name')
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SERVICE_NAME=$(echo "${SERVICE_MANIFEST}" | jq -r '.metadata.name')
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# 1. Check if the deployment exists. If it doesn't exist, this is the initial deployment and we
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# can simply deploy without blue-green. Add the app label using jq
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out=$(kubectl get --export -o json deployment.apps/${DEPLOYMENT_NAME} 2>&1)
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if [ $? -ne 0 ]; then
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if [[ "${out}" =~ "NotFound" ]] ; then
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echo "Initial deployment"
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echo ${DEPLOY_MANIFEST} | \
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jq ".metadata.labels += {\"app.kubernetes.io/instance\": \"${APPNAME}\"}" | \
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kubectl apply -o yaml -f - || exit 1
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echo ${SERVICE_MANIFEST} | \
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jq ".metadata.labels += {\"app.kubernetes.io/instance\": \"${APPNAME}\"}" | \
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kubectl apply -o yaml -f - || exit 1
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exit 0
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fi
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echo "Failed to get deployment: ${out}"
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exit 1
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fi
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ORIGINAL_DEPLOY_MANIFEST=$out
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# 2. Clone the original, running deployment to a temporary deployment, with tweaks to its name and
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# selectors. The jq command carries over all labels and selectors and appends the `-temp` suffix.
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TMP_DEPLOYMENT_NAME="${DEPLOYMENT_NAME}-temp"
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echo ${ORIGINAL_DEPLOY_MANIFEST} | jq -r '.metadata.name+="-temp" |
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.spec.template.metadata.labels += (.spec.template.metadata.labels | to_entries | map(.value+="-temp") | from_entries) |
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.spec.selector.matchLabels += (.spec.selector.matchLabels | to_entries | map(.value+="-temp") | from_entries)' |
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kubectl apply -f -
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# 3. Wait for cloned deployment to become ready.
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sleep 2
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echo "Waiting for successful rollout of new (temporary) deployment"
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kubectl rollout status --watch=true deployments.apps/${TMP_DEPLOYMENT_NAME} || exit 1
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echo "Rollout of temporary deployment successful"
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# 4. Patch the service object such that all traffic is redirected to the cloned, temporary
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# deployment. After this step, the original deployment will no longer be receiving traffic.
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kubectl get service ${SERVICE_NAME} --export -o json | \
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jq '.spec.selector = (.spec.selector | with_entries(.value+="-temp"))' |
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kubectl apply -f - || exit 1
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sleep 5 # Sleep slightly to allow iptables to get propagated to all nodes in the cluster
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# 5. Update the original deployment (now receiving no traffic) with the new manifest
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echo "Updating original deployment"
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echo ${DEPLOY_MANIFEST} | \
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jq ".metadata.labels += {\"app.kubernetes.io/instance\": \"${APPNAME}\"}" | \
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kubectl apply -f - || exit 1
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# 6. Wait for the new deployment to become complete
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sleep 2
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echo "Waiting for successful rollout of new deployment"
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kubectl rollout status --watch=true deployments.apps/${DEPLOYMENT_NAME} || exit 1
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echo "Rollout of new deployment successful"
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# dummy wait step for demo purposes
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echo "sleeping for 30 seconds"
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sleep 30
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# 7. Apply the new service object. Traffic will be redirected to the new version of the deployment
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echo "Updating original service object"
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echo ${SERVICE_MANIFEST} | \
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jq ".metadata.labels += {\"app.kubernetes.io/instance\": \"${APPNAME}\"}" | \
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kubectl apply -f - || exit 1
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sleep 10
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# 8. Remove the cloned deployment, which is no longer receiving any traffic
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echo "Deleting ephemeral deployment"
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kubectl delete deployments/${TMP_DEPLOYMENT_NAME} --ignore-not-found=true || exit 1
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@ -1,65 +0,0 @@
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local env = std.extVar("__ksonnet/environments");
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local params = std.extVar("__ksonnet/params").components["bg-guestbook"];
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[
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{
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"apiVersion": "v1",
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"kind": "Service",
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"metadata": {
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"name": params.name,
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"annotations": {
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"argocd.argoproj.io/hook": "Skip",
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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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"port": params.servicePort,
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"targetPort": params.containerPort
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}
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],
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"selector": {
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"app": params.name
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},
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"type": params.type
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}
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},
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{
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"apiVersion": "apps/v1beta2",
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"kind": "Deployment",
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"metadata": {
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"name": params.name,
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"annotations": {
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"argocd.argoproj.io/hook": "Skip",
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},
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},
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"spec": {
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"replicas": params.replicas,
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"revisionHistoryLimit": 3,
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"selector": {
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"matchLabels": {
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"app": params.name
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},
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},
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"template": {
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"metadata": {
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"labels": {
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"app": params.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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"image": params.image,
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"name": params.name,
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"ports": [
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{
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"containerPort": params.containerPort
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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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@ -1,131 +0,0 @@
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local bgGuestbook = std.extVar("__ksonnet/components")["bg-guestbook"];
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local bgGuestbookSvc = bgGuestbook[0];
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local bgGuestbookDeploy = bgGuestbook[1];
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[
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{
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"apiVersion": "v1",
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"kind": "Pod",
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"metadata": {
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"generateName": "blue-green-",
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"annotations": {
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"argocd.argoproj.io/hook": "Sync",
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"deploy-manifest": std.manifestJson(bgGuestbookDeploy),
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"svc-manifest": std.manifestJson(bgGuestbookSvc),
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},
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},
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"spec": {
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"serviceAccountName": "blue-green-sa",
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"restartPolicy": "Never",
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"containers": [
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{
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"name": "blue-green",
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"image": "argoproj/argoexec:latest",
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"command": ["bash", "-c"],
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"args": ["
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curl -L -o /usr/local/bin/kubectl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl &&
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chmod +x /usr/local/bin/kubectl &&
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curl -sSL -o /usr/local/bin/blue-green.sh https://raw.githubusercontent.com/argoproj/argocd-example-apps/master/blue-green-deploy/blue-green.sh &&
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chmod +x /usr/local/bin/blue-green.sh &&
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blue-green.sh
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"],
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"env": [
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{
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"name": "DEPLOY_MANIFEST",
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"valueFrom": {
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"fieldRef": {
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"fieldPath": "metadata.annotations['deploy-manifest']"
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}
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}
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},
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{
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"name": "SERVICE_MANIFEST",
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"valueFrom": {
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"fieldRef": {
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"fieldPath": "metadata.annotations['svc-manifest']"
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}
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}
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},
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// NOTE: app.kubernetes.io/instance will get injected into the hook object
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{
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"name": "APPNAME",
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"valueFrom": {
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"fieldRef": {
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"fieldPath": "metadata.labels['app.kubernetes.io/instance']"
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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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// RBAC to allow the blue-green pod privileges to manipulate deployments and services
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{
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"apiVersion": "v1",
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"kind": "ServiceAccount",
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"metadata": {
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"name": "blue-green-sa"
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}
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},
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{
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"apiVersion": "rbac.authorization.k8s.io/v1",
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"kind": "Role",
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"metadata": {
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"name": "blue-green-role"
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},
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"rules": [
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{
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"apiGroups": [
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"apps",
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"extensions"
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],
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"resources": [
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"deployments",
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],
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"verbs": [
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"list",
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"get",
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"create",
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"update",
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"patch",
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"delete",
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]
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},
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{
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"apiGroups": [
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""
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],
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"resources": [
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"services"
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],
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"verbs": [
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"list",
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"get",
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"create",
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"update",
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"patch",
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"delete",
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]
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}
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]
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},
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{
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"apiVersion": "rbac.authorization.k8s.io/v1",
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"kind": "RoleBinding",
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"metadata": {
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"name": "blue-green-rolebinding"
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},
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"roleRef": {
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"apiGroup": "rbac.authorization.k8s.io",
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"kind": "Role",
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"name": "blue-green-role"
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},
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"subjects": [
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{
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"kind": "ServiceAccount",
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"name": "blue-green-sa"
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}
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]
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}
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]
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@ -1,19 +0,0 @@
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{
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global: {
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// User-defined global parameters; accessible to all component and environments, Ex:
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// replicas: 4,
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},
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components: {
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// Component-level parameters, defined initially from 'ks prototype use ...'
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// Each object below should correspond to a component in the components/ directory
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"bg-guestbook": {
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containerPort: 80,
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image: "gcr.io/heptio-images/ks-guestbook-demo:0.2",
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name: "blue-green-guestbook",
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replicas: 3,
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servicePort: 80,
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type: "LoadBalancer",
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},
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"bg-pod": {},
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},
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}
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local components = std.extVar("__ksonnet/components");
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components + {
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// Insert user-specified overrides here.
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}
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{
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}
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@ -1,9 +0,0 @@
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local base = import "base.libsonnet";
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// uncomment if you reference ksonnet-lib
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// local k = import "k.libsonnet";
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// local deployment = k.apps.v1beta2.deployment;
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base + {
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// Insert user-specified overrides here. For example if a component is named \"nginx-deployment\", you might have something like:\n")
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// "nginx-deployment"+: deployment.mixin.metadata.withLabels({foo: "bar"})
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}
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local params = std.extVar("__ksonnet/params");
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local globals = import "globals.libsonnet";
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local envParams = params + {
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components +: {
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// Insert component parameter overrides here. Ex:
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// guestbook +: {
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// name: "guestbook-dev",
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// replicas: params.global.replicas,
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// },
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},
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};
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{
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components: {
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[x]: envParams.components[x] + globals, for x in std.objectFields(envParams.components)
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},
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}
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namePrefix: kustomize-
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namePrefix: kustomize-
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resources:
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resources:
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- ../guestbook/guestbook-ui-deployment.yaml
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- guestbook-ui-deployment.yaml
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- ../guestbook/guestbook-ui-svc.yaml
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- guestbook-ui-svc.yaml
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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@ -1,7 +0,0 @@
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namePrefix: kustomize-
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resources:
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- guestbook-ui-deployment.yaml
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- guestbook-ui-svc.yaml
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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