Persistent demo deployment for tracked branches (#109714) (#110286)

Co-authored-by: Brian Seeders <brian.seeders@elastic.co>

.buildkite/pipelines/update_demo_env.yml

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+steps:
+  - command: .buildkite/scripts/steps/demo_env/es_and_init.sh
+    label: Initialize Environment and Deploy ES
+
+  - command: .buildkite/scripts/steps/demo_env/kibana.sh
+    label: Build and Deploy Kibana
+    agents:
+      queue: c2-8

.buildkite/scripts/steps/demo_env/Dockerfile

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+ARG BASE_IMAGE
+FROM ${BASE_IMAGE}
+COPY ./* /var/lib/example_plugins
+RUN find /var/lib/example_plugins/ -type f -name '*.zip' | xargs -I % /usr/share/kibana/bin/kibana-plugin install 'file://%'

.buildkite/scripts/steps/demo_env/auth.sh

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+#!/usr/bin/env bash
+
+set -euo pipefail
+
+echo '--- Auth and set up kubectl'
+
+gcloud container clusters get-credentials demo-env --region us-central1 --project elastic-kibana-184716
+kubectl config use-context gke_elastic-kibana-184716_us-central1_demo-env

.buildkite/scripts/steps/demo_env/config.sh

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+#!/usr/bin/env bash
+
+set -euo pipefail
+
+DEPLOYMENT_VERSION=$(jq -r .version package.json)
+export DEPLOYMENT_VERSION
+
+export DEPLOYMENT_MINOR_VERSION="${DEPLOYMENT_VERSION%.*}"
+export DEPLOYMENT_NAME="kb-${DEPLOYMENT_MINOR_VERSION/./-}"

.buildkite/scripts/steps/demo_env/es_and_init.sh

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+#!/usr/bin/env bash
+
+set -euo pipefail
+
+source "$(dirname "${0}")/config.sh"
+
+"$(dirname "${0}")/auth.sh"
+
+echo '--- Import and publish Elasticsearch image'
+
+mkdir -p target
+
+export ES_IMAGE="gcr.io/elastic-kibana-184716/demo/elasticsearch:$DEPLOYMENT_NAME-$(git rev-parse HEAD)"
+
+DOCKER_EXPORT_URL=$(curl https://storage.googleapis.com/kibana-ci-es-snapshots-daily/$DEPLOYMENT_VERSION/manifest-latest-verified.json | jq -r '.archives | .[] | select(.platform=="docker") | .url')
+curl "$DOCKER_EXPORT_URL" > target/elasticsearch-docker.tar.gz
+docker load < target/elasticsearch-docker.tar.gz
+docker tag "docker.elastic.co/elasticsearch/elasticsearch:$DEPLOYMENT_VERSION-SNAPSHOT" "$ES_IMAGE"
+docker push "$ES_IMAGE"
+
+echo '--- Prepare yaml'
+
+TEMPLATE=$(envsubst < "$(dirname "${0}")/es_and_init.yml")
+
+echo "$TEMPLATE"
+
+cat << EOF | buildkite-agent annotate --style "info" --context demo-env-info
+The demo environment can be accessed here, once Kibana and ES are running:
+
+https://$DEPLOYMENT_NAME.demo.kibana.dev
+
+Logs, etc can be found here:
+
+https://console.cloud.google.com/kubernetes/workload?project=elastic-kibana-184716&pageState=(%22savedViews%22:(%22n%22:%5B%22${DEPLOYMENT_NAME}%22%5D,%22c%22:%5B%22gke%2Fus-central1%2Fdemo-env%22%5D))
+
+EOF
+
+echo '--- Deploy yaml'
+echo "$TEMPLATE" | kubectl apply -f -

.buildkite/scripts/steps/demo_env/es_and_init.yml

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+kind: Namespace
+apiVersion: v1
+metadata:
+  name: $DEPLOYMENT_NAME
+  labels:
+    name: $DEPLOYMENT_NAME
+---
+apiVersion: elasticsearch.k8s.elastic.co/v1
+kind: Elasticsearch
+metadata:
+  name: $DEPLOYMENT_NAME
+  namespace: $DEPLOYMENT_NAME
+spec:
+  version: $DEPLOYMENT_VERSION
+  image: $ES_IMAGE
+  nodeSets:
+    - name: default
+      count: 1
+      config:
+        node.store.allow_mmap: false
+        xpack.security.authc:
+          anonymous:
+            roles: viewer
+            authz_exception: true
+      podTemplate:
+        spec:
+          containers:
+            - name: elasticsearch
+              env:
+                - name: ES_JAVA_OPTS
+                  value: -Xms2g -Xmx2g
+              resources:
+                requests:
+                  memory: 4Gi
+                  cpu: 2
+                limits:
+                  memory: 4Gi
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: $DEPLOYMENT_NAME
+  namespace: $DEPLOYMENT_NAME
+  annotations:
+    kubernetes.io/ingress.class: 'nginx'
+    cert-manager.io/cluster-issuer: 'letsencrypt-prod'
+    nginx.ingress.kubernetes.io/rewrite-target: /$2
+spec:
+  tls:
+    - hosts:
+        - demo.kibana.dev
+      secretName: tls-certificate
+  rules:
+    - host: demo.kibana.dev
+      http:
+        paths:
+          - path: /$DEPLOYMENT_MINOR_VERSION(/|$)(.*)
+            pathType: ImplementationSpecific
+            backend:
+              service:
+                name: $DEPLOYMENT_NAME-kb-http
+                port:
+                  number: 5601

.buildkite/scripts/steps/demo_env/kibana.sh

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+#!/usr/bin/env bash
+
+set -euo pipefail
+
+export DISABLE_BOOTSTRAP_VALIDATION=true
+export BUILD_TS_REFS_DISABLE=true
+
+.buildkite/scripts/bootstrap.sh
+
+source "$(dirname "${0}")/config.sh"
+
+export KIBANA_IMAGE="gcr.io/elastic-kibana-184716/demo/kibana:$DEPLOYMENT_NAME-$(git rev-parse HEAD)"
+
+echo '--- Build Kibana'
+node scripts/build --debug --docker-images --example-plugins --skip-os-packages --skip-docker-ubi
+
+echo '--- Build Docker image with example plugins'
+cd target/example_plugins
+BUILT_IMAGE="docker.elastic.co/kibana/kibana:$DEPLOYMENT_VERSION-SNAPSHOT"
+docker build --build-arg BASE_IMAGE="$BUILT_IMAGE" -t "$KIBANA_IMAGE" -f "$KIBANA_DIR/.buildkite/scripts/steps/demo_env/Dockerfile" .
+docker push "$KIBANA_IMAGE"
+cd -
+
+"$(dirname "${0}")/auth.sh"
+
+echo '--- Prepare yaml'
+
+TEMPLATE=$(envsubst < "$(dirname "${0}")/kibana.yml")
+
+echo "$TEMPLATE"
+
+echo '--- Deploy yaml'
+echo "$TEMPLATE" | kubectl apply -f -

.buildkite/scripts/steps/demo_env/kibana.yml

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+apiVersion: kibana.k8s.elastic.co/v1
+kind: Kibana
+metadata:
+  name: $DEPLOYMENT_NAME
+  namespace: $DEPLOYMENT_NAME
+spec:
+  version: $DEPLOYMENT_VERSION
+  image: $KIBANA_IMAGE
+  count: 1
+  elasticsearchRef:
+    name: $DEPLOYMENT_NAME
+  http:
+    tls:
+      selfSignedCertificate:
+        disabled: true
+  config:
+    server:
+      basePath: '/$DEPLOYMENT_MINOR_VERSION'
+      publicBaseUrl: 'https://demo.kibana.dev/$DEPLOYMENT_MINOR_VERSION'
+    xpack.security.authc.providers:
+      basic.basic1:
+        order: 0
+      anonymous.anonymous1:
+        order: 1
+        credentials: 'elasticsearch_anonymous_user'
+  podTemplate:
+    spec:
+      containers:
+        - name: kibana
+          env:
+            - name: NODE_OPTIONS
+              value: '--max-old-space-size=2048'
+          resources:
+            requests:
+              memory: 1Gi
+              cpu: 0.5
+            limits:
+              memory: 2.5Gi
+              cpu: 2