From 426a6f761bcc734f2b53a088e4b86de24c62e321 Mon Sep 17 00:00:00 2001
From: Sam Thursfield <sam.thursfield@codethink.co.uk>
Date: Wed, 14 Jan 2015 17:06:33 +0000
Subject: Add Ansible playbooks for distbuild admin

---
 distbuild/ansible/restart.yaml                     | 30 ++++++++++++++++++++++
 .../ansible/run-from-morph-source-tree.sh.template |  6 +++++
 distbuild/ansible/use-latest-morph.yaml            | 28 ++++++++++++++++++++
 3 files changed, 64 insertions(+)
 create mode 100644 distbuild/ansible/restart.yaml
 create mode 100644 distbuild/ansible/run-from-morph-source-tree.sh.template
 create mode 100644 distbuild/ansible/use-latest-morph.yaml

diff --git a/distbuild/ansible/restart.yaml b/distbuild/ansible/restart.yaml
new file mode 100644
index 00000000..a587a95e
--- /dev/null
+++ b/distbuild/ansible/restart.yaml
@@ -0,0 +1,30 @@
+# Restart all Morph instances on a Baserock distbuild network.
+#
+# This will abort any running builds.
+#
+# This is an Ansible playbook. Run with:
+#
+#   ansible-playbook -i distbuild-hosts restart.yaml
+#
+# You will need a file named 'distbuild-hosts' describing your distbuild
+# network.
+---
+
+# The order in which the processes are restarted is important! (Sadly).
+- hosts: controller
+  gather_facts: false
+  tasks:
+    - name: restart controller processes
+      service: name={{ item }} state=restarted
+      with_items:
+        - morph-controller.service
+        - morph-controller-helper.service
+
+- hosts: workers
+  gather_facts: false
+  tasks:
+    - name: restart worker processes
+      service: name={{ item }} state=restarted
+      with_items:
+        - morph-worker.service
+        - morph-worker-helper.service
diff --git a/distbuild/ansible/run-from-morph-source-tree.sh.template b/distbuild/ansible/run-from-morph-source-tree.sh.template
new file mode 100644
index 00000000..0fa7ebd0
--- /dev/null
+++ b/distbuild/ansible/run-from-morph-source-tree.sh.template
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Script to use version of a program from a checkout of the morph.git source tree.
+
+source_path=/srv/morph
+PYTHONPATH="$source_path" "$source_path/{{ item }}" "$@"
diff --git a/distbuild/ansible/use-latest-morph.yaml b/distbuild/ansible/use-latest-morph.yaml
new file mode 100644
index 00000000..9f2716d2
--- /dev/null
+++ b/distbuild/ansible/use-latest-morph.yaml
@@ -0,0 +1,28 @@
+# Upgrade the version of Morph used on a Baserock distbuild network.
+#
+# This allows quickly testing a new version of Morph without having to fully
+# build and deploy a new Baserock 'build' system. You should run the
+# 'restart.yaml' playbook after this one.
+#
+# This is an Ansible playbook. Run with:
+#
+#   ansible-playbook -i distbuild-hosts use-latest-morph.yaml
+#
+# You will need a file named 'distbuild-hosts' describing your distbuild
+# network.
+
+---
+- hosts: all
+  gather_facts: false
+  vars:
+    - TROVE_HOST: git.baserock.org
+    - MORPH_VERSION: sam/distbuild-build-logs
+  tasks:
+    - name: check out Morph from Git
+      git: dest=/srv/morph version={{ MORPH_VERSION }} repo=git://{{ TROVE_HOST }}/baserock/baserock/morph accept_hostkey=True
+
+    - name: ensure latest Morph is used
+      template: backup=yes src=run-from-morph-source-tree.sh.template dest=/usr/bin/{{ item }} mode=0755
+      with_items:
+        - morph
+        - distbuild-helper
-- 
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