Add playbooks to start/stop/restart zookeeper

This does not provide rolling restart support, the user should use
--limit properly here.

Change-Id: Id2c3453e67407053454b30d1241f03295b96394b
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

playbooks/zookeeper/restart.yaml

@@ -0,0 +1,16 @@
+# Copyright 2019 Red Hat, Inc.
+#
+# 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.
+---
+- import_playbook: stop.yaml
+- import_playbook: start.yaml

playbooks/zookeeper/start.yaml

@@ -0,0 +1,21 @@
+# Copyright 2019 Red Hat, Inc.
+#
+# 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.
+---
+- hosts: zookeeper:!disabled
+  tasks:
+    - name: starting zookeeper
+      become: true
+      systemd:
+        name: zookeeper
+        state: started

playbooks/zookeeper/stop.yaml

@@ -0,0 +1,28 @@
+# Copyright 2019 Red Hat, Inc.
+#
+# 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.
+---
+- hosts: zookeeper:!disabled
+  tasks:
+    - name: stopping zookeeper
+      become: true
+      systemd:
+        name: zookeeper
+        state: stopped
+      register: result
+
+    - name: Wait for (3h10m) to stop zookeeper
+      wait_for:
+        path: "/proc/{{ result.status.MainPID }}/status"
+        state: absent
+        timeout: 11400