Merge pull request #30777 from k82cn/use_k8petstore_ns

Automatic merge from submit-queue

Updated k8petstore example to use non-default namespace.

fixes #24314

examples/k8petstore/README.md

@@ -132,7 +132,7 @@ Now that you are done hacking around on the app, you can run it in Kubernetes.
 
 Now, how to run the entire application in Kubernetes?
 
-To simplify running this application, we have a single file, k8petstore.sh, which writes out json files on to disk.  This allows us to have dynamic parameters, without needing to worry about managing multiple json files.
+To simplify running this application, we have a single file, [k8petstore.sh](k8petstore.sh), which writes out json files on to disk.  This allows us to have dynamic parameters, e.g. the namespace is configured by `NS` whose default value is `k8petstore`, without needing to worry about managing multiple json files.
 
 You might want to change it to point to your customized Go image, if you chose to modify things, like the number of data generators (more generators will create more load on the redis master).
 

examples/k8petstore/k8petstore-loadbalancer.sh

@@ -28,7 +28,7 @@ FE="1"                # amount of Web server
 LG="1"                # amount of load generators
 SLAVE="1"             # amount of redis slaves 
 TEST="1"              # 0 = Don't run tests, 1 = Do run tests.
-NS="default"       # namespace
+NS="k8petstore"       # namespace
 
 kubectl="${1:-$kubectl}"
 VERSION="${2:-$VERSION}"
@@ -40,6 +40,30 @@ TEST="${7:-$TEST}"      # 0 = Don't run tests, 1 = Do run tests.
 NS="${8:-$NS}"          # namespace
 
 echo "Running w/ args: kubectl $kubectl version $VERSION sec $_SECONDS fe $FE lg $LG slave $SLAVE test $TEST NAMESPACE $NS"
+
+function create_ns {
+
+case "$NS" in
+"default" )
+    ;;
+"kube-system" )
+    ;;
+* )
+cat << EOF > ns.json
+{
+  "apiVersion": "v1",
+  "kind": "Namespace",
+  "metadata": {
+    "name": "$NS"
+  }
+}
+EOF
+
+$kubectl create -f ns.json
+
+esac
+}
+
 function create { 
 
 cat << EOF > fe-rc.json
@@ -216,6 +240,9 @@ cat << EOF > slave-rc.json
   }
 }
 EOF
+
+create_ns
+
 $kubectl create -f rm.json --namespace=$NS
 $kubectl create -f rm-s.json --namespace=$NS
 sleep 3 # precaution to prevent fe from spinning up too soon.

examples/k8petstore/k8petstore-nodeport.sh

@@ -29,7 +29,7 @@ FE="1"                # amount of Web server
 LG="1"                # amount of load generators
 SLAVE="1"             # amount of redis slaves
 TEST="1"              # 0 = Don't run tests, 1 = Do run tests.
-NS="default"          # namespace
+NS="k8petstore"          # namespace
 NODE_PORT=30291     #nodePort, see fe-s.json
 
 kubectl="${1:-$kubectl}"
@@ -42,6 +42,30 @@ TEST="${7:-$TEST}"      # 0 = Don't run tests, 1 = Do run tests.
 NS="${8:-$NS}"          # namespace
 NODE_PORT="${9:-$NODE_PORT}" #nodePort, see fe-s.json
 echo "Running w/ args: kubectl $kubectl version $VERSION sec $_SECONDS fe $FE lg $LG slave $SLAVE test = $TEST, NAMESPACE = $NS, NODE_PORT = $NODE_PORT"
+
+function create_ns {
+
+case "$NS" in
+"default" )
+    ;;
+"kube-system" )
+    ;;
+* )
+cat << EOF > ns.json
+{
+  "apiVersion": "v1",
+  "kind": "Namespace",
+  "metadata": {
+    "name": "$NS"
+  }
+}
+EOF
+
+$kubectl create -f ns.json
+
+esac
+}
+
 function create {
 
 cat << EOF > fe-rc.json
@@ -219,6 +243,9 @@ cat << EOF > slave-rc.json
   }
 }
 EOF
+
+create_ns
+
 $kubectl create -f rm.json --namespace=$NS
 $kubectl create -f rm-s.json --namespace=$NS
 sleep 3 # precaution to prevent fe from spinning up too soon.

examples/k8petstore/k8petstore.sh

@@ -29,7 +29,7 @@ FE="1"                # amount of Web server
 LG="1"                # amount of load generators
 SLAVE="1"             # amount of redis slaves 
 TEST="1"              # 0 = Don't run tests, 1 = Do run tests.
-NS="default"       # namespace
+NS="k8petstore"       # namespace
 
 kubectl="${1:-$kubectl}"
 VERSION="${2:-$VERSION}"
@@ -42,6 +42,30 @@ TEST="${8:-$TEST}"      # 0 = Don't run tests, 1 = Do run tests.
 NS="${9:-$NS}"          # namespace
 
 echo "Running w/ args: kubectl $kubectl version $VERSION ip $PUBLIC_IP sec $_SECONDS fe $FE lg $LG slave $SLAVE test $TEST NAMESPACE $NS"
+
+function create_ns {
+
+case "$NS" in
+"default" )
+    ;;
+"kube-system" )
+    ;;
+* )
+cat << EOF > ns.json
+{
+  "apiVersion": "v1",
+  "kind": "Namespace",
+  "metadata": {
+    "name": "$NS"
+  }
+}
+EOF
+
+$kubectl create -f ns.json
+
+esac
+}
+
 function create { 
 
 cat << EOF > fe-rc.json
@@ -218,6 +242,9 @@ cat << EOF > slave-rc.json
   }
 }
 EOF
+
+create_ns
+
 $kubectl create -f rm.json --namespace=$NS
 $kubectl create -f rm-s.json --namespace=$NS
 sleep 3 # precaution to prevent fe from spinning up too soon.