demos --> examples

examples/ is pretty standard whereas demos/ isn't. So I just refactored that.

Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>

examples/ldap/integration_test.sh

@@ -0,0 +1,136 @@
+#!/bin/bash
+# Copyright 2018 The Kubernetes 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.
+#
+# ----------------------------------------------------
+#
+# This script tests the ldap kustomization demo
+# against a real cluster.
+#
+# - deploy a ldap server by the output of kustomize
+# - add a user
+# - query a user
+# - delete a user
+#
+# This script is a test that (passes|fails) if exit
+# code is (0|1).
+
+set -x
+
+function configureCluster {
+  local tmpDir=$1
+  local target=$2
+
+  echo Kustomizing: \"$target\"
+  ls $target
+
+  kustomize build $target > $tmpDir/my.yaml
+  [[ $? -eq 0 ]] || { exitWith "Failed to kustomize build"; }
+
+  # Setting the namespace this way is a test-infra thing?
+  kubectl config set-context \
+    $(kubectl config current-context) --namespace=default
+
+  kubectl apply -f $tmpDir/my.yaml
+  [[ $? -eq 0 ]] || { exitWith "Failed to run kubectl apply"; }
+
+  sleep 20
+}
+
+function tearDownCluster {
+  local tmpDir=$1
+  kubectl delete -f $tmpDir/my.yaml
+  rm -rf $tmpDir
+}
+
+function getPodField {
+  echo $(kubectl get pods -l app=ldap -o jsonpath=$1)
+}
+
+function podExec {
+  kubectl exec $podName -c $containerName -- "$@"
+}
+
+function addUser {
+  local tmpDir=$1
+  local namespace=`getPodField '{.items[0].metadata.namespace}'`
+  [[ -z $namespace ]] && { exitWith "Unable to get namespace"; }
+
+  local myUserFile=$tmpDir/user.ldif
+  local podUserFile=/tmp/user.ldif
+
+  cat <<EOF >$myUserFile
+dn: cn=The Postmaster,dc=example,dc=org
+objectClass: organizationalRole
+cn: The Postmaster
+EOF
+  [[ -f $myUserFile ]] || \
+    { exitWith "Failed to create $myUserFile"; }
+
+  kubectl cp $myUserFile \
+    $namespace/$podName:$podUserFile || \
+    { exitWith "Failed to copy $myUserFile to pod $podName"; }
+
+  rm $myUserFile
+
+  podExec \
+    ldapadd \
+    -x \
+    -w admin \
+    -H ldap://localhost \
+    -D "cn=admin,dc=example,dc=org" \
+    -f $podUserFile
+}
+
+function getUserCount {
+  local result=$(\
+    podExec \
+      ldapsearch \
+      -x \
+      -w admin \
+      -H ldap://localhost \
+      -D "cn=admin,dc=example,dc=org" \
+      -b dc=example,dc=org \
+      )
+  return $(echo $result | grep "cn: The Postmaster" | wc -l)
+}
+
+function deleteAddedUser {
+  podExec \
+    ldapdelete \
+    -v \
+    -x \
+    -w admin \
+    -H ldap://localhost \
+    -D "cn=admin,dc=example,dc=org" \
+    "cn=The Postmaster,dc=example,dc=org"
+}
+
+tmpDir=$(mktemp -d)
+
+configureCluster $tmpDir $1
+
+podName=`getPodField '{.items[0].metadata.name}'`
+[[ -z $podName ]] && { exitWith "Unable to get pod name"; }
+containerName="ldap"
+
+getUserCount; [[ $? -eq 0 ]] || { exitWith "Expected no users."; }
+
+addUser $tmpDir || { exitWith "Failed to add a user"; }
+getUserCount; [[ $? -eq 1 ]] || { exitWith "Couldn't find the new added user"; }
+
+deleteAddedUser || { exitWith "Failed to delete the user"; }
+getUserCount; [[ $? -eq 0 ]] || { exitWith "User has not been deleted."; }
+
+tearDownCluster $tmpDir