docs(istio): draft files for tutorial

cleanup.sh

@@ -0,0 +1,85 @@
+#!/bin/bash
+#
+# Copyright Istio Authors
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+SCRIPTDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+
+# only ask if in interactive mode
+if [[ -t 0 && -z ${NAMESPACE} ]];then
+  echo -n "namespace ? [default] "
+  read -r NAMESPACE
+fi
+
+# verify if the namespace exists, otherwise use default namespace
+if [[ -n ${NAMESPACE} ]];then
+  ns=$(kubectl get namespace "${NAMESPACE}" --no-headers --output=go-template="{{.metadata.name}}" 2>/dev/null)
+  if [[ -z ${ns} ]];then
+    echo "NAMESPACE ${NAMESPACE} not found."
+    NAMESPACE=default
+  fi
+fi
+
+# if no namespace is provided, use default namespace
+if [[ -z ${NAMESPACE} ]];then
+  NAMESPACE=default
+fi
+
+echo "using NAMESPACE=${NAMESPACE}"
+
+# clean up Istio traffic management resources that may have been used
+protos=( destinationrules virtualservices gateways )
+for proto in "${protos[@]}"; do
+  for resource in $(kubectl get -n ${NAMESPACE} "$proto" -o name); do
+    kubectl delete -n ${NAMESPACE} "$resource";
+  done
+done
+
+# clean up Gateway API resources that may have been used
+if kubectl get crd gateways.gateway.networking.k8s.io >/dev/null 2>&1; then
+  protos=( httproutes gateways.gateway.networking.k8s.io )
+  for proto in "${protos[@]}"; do
+    for resource in $(kubectl get -n ${NAMESPACE} "$proto" -o name); do
+      kubectl delete -n ${NAMESPACE} "$resource";
+    done
+  done
+  kubectl delete -n ${NAMESPACE} -f "$SCRIPTDIR/bookinfo-versions.yaml" >/dev/null 2>&1
+fi
+
+OUTPUT=$(mktemp)
+export OUTPUT
+echo "Application cleanup may take up to one minute"
+kubectl delete -n ${NAMESPACE} -f "$SCRIPTDIR/bookinfo.yaml" > "${OUTPUT}" 2>&1
+ret=$?
+function cleanup() {
+  rm -f "${OUTPUT}"
+}
+
+trap cleanup EXIT
+
+if [[ ${ret} -eq 0 ]];then
+  cat "${OUTPUT}"
+else
+  # ignore NotFound errors
+  OUT2=$(grep -v NotFound "${OUTPUT}")
+  if [[ -n ${OUT2} ]];then
+    cat "${OUTPUT}"
+    exit ${ret}
+  fi
+fi
+
+# wait for 30 sec for bookinfo to clean up
+sleep 30
+
+echo "Application cleanup successful"

deploy.yml

@@ -1,93 +1,34 @@
 ---
+# deployment.yaml
 version: v1
 kind: kubernetes
-application: cdaas-sample-app
-# Map of Deployment Targets, this is set up in a way where
-# we can do multi-target deployments (multi-region or multi-cluster)
+application: reviews
 targets:
-  # This in the name of a deployment. Underneath it is its configuration.
-  test:
-    # the agentIdentifier of the Remote Network Agent for this target 
-    account: sample-rna-test-cluster
-    # Optionally override the namespaces that are in the manifests
-    namespace: sample-test
-    # This is the key to a strategy under the strategies map
-    strategy: rolling
-  staging:
-     # the agentIdentifier of the Remote Network Agent for this target 
-    account: sample-rna-staging-cluster
-    # Optionally override the namespaces that are in the manifests
-    namespace: sample-staging
-    # This is the key to a strategy under the strategies map
-    strategy: rolling
-    constraints:
-      dependsOn: ["test"]
-      beforeDeployment: []
-  prod-eu:
-     # the agentIdentifier of the Remote Network Agent for this target 
-    account: sample-rna-prod-eu-cluster
-    # Optionally override the namespaces that are in the manifests
-    namespace: sample-prod-eu
-    # This is the key to a strategy under the strategies map
-    strategy: mybluegreen
-    constraints:
-      dependsOn: ["staging"]
-      beforeDeployment:
-        - pause:
-            untilApproved: true
-  prod-us:
-    # the agentIdentifier of the Remote Network Agent for this target 
-    account: sample-rna-prod-us-cluster
-    # Optionally override the namespaces that are in the manifests
-    namespace: sample-prod-us
-    # This is the key to a strategy under the strategies map
-    strategy: mycanary
-    constraints:
-      dependsOn: ["staging"]
-      beforeDeployment:
-        - pause:
-            untilApproved: true
-# The list of manifests sources
+  dev:
+    account: aimeeu-local
+    namespace: istiodemo
+    strategy: strategy1
 manifests:
-  # This reads all YAML files in a dir
-  # and deploys manifests in that dir to all targets.
-  - path: manifests/sample-app.yml
-# The map of strategies, a deployment target will reference one of these
+  - path: manifests/reviews-v1.yaml
 strategies:
-  # this is the name for the strategy
-  mycanary:
-    # This map key is the deployment strategy type
+  strategy1:
     canary:
       steps:
-        # The map key is the step type
-        - setWeight:
-            weight: 25
-        - pause:
-            duration: 10
-            unit: seconds
         - setWeight:
-            weight: 50
+            weight: 10
         - pause:
-            duration: 10
-            unit: seconds
-        - setWeight:
-            weight: 100
-  rolling:
-    canary:
-      steps:
+            untilApproved: true
         - setWeight:
-            weight: 100
-  mybluegreen:
-    # This specifies the deployment strategy type
-    blueGreen:
-      activeService: cdaas-sample-app-svc
-      # List of what needs to happen before redirecting traffic
-      redirectTrafficAfter:
-        - pause:
-            duration: 10
-            unit: seconds
-      # List of what needs to happen before shutting down the old version
-      shutDownOldVersionAfter:
+            weight: 57
         - pause:
-            duration: 20
-            unit: seconds
+            untilApproved: true
+trafficManagement:
+  - targets: ["dev"]
+    istio:
+      - virtualService:
+          name: reviews-route # virtualService.metadata.name
+          httpRouteName: reviews-http-route # virtualService.http.route[].name abstraction
+        destinationRule: # OPTIONAL (if only one destination exists on the service) virtualService.http.route[].destination/destinationRule abstraction
+          name: reviews-destination #destinationRule.metadata.name
+          activeSubsetName: stable # OPTIONAL (if only 1 active subset on DR)- virtualService.http.route[].destinations[0].subset
+          canarySubsetName: canary