From ac78a1a272998c1e67aea0882c0d7e10d51b8bdd Mon Sep 17 00:00:00 2001
From: Egon Rijpkema <git@egonrijpkema.nl>
Date: Tue, 13 Jun 2017 12:08:41 +0200
Subject: [PATCH] Added cassandra together with Wim

---
 cassandra.yml                               |  7 +++++++
 hosts                                       | 17 +++++++++++------
 roles/cassandra/tasks/main.yml              | 16 ++++++++++++++++
 roles/cassandra/templates/cassandra.service | 19 +++++++++++++++++++
 4 files changed, 53 insertions(+), 6 deletions(-)
 create mode 100644 cassandra.yml
 create mode 100644 roles/cassandra/tasks/main.yml
 create mode 100644 roles/cassandra/templates/cassandra.service

diff --git a/cassandra.yml b/cassandra.yml
new file mode 100644
index 0000000..c30c999
--- /dev/null
+++ b/cassandra.yml
@@ -0,0 +1,7 @@
+---
+# Run all plays as root.
+- hosts: cassandra
+  become: True
+  roles:
+      - common
+      - cassandra
diff --git a/hosts b/hosts
index 43d6e0b..b8dc595 100644
--- a/hosts
+++ b/hosts
@@ -8,9 +8,14 @@ openstack01-node01
 ansible-test
 ansible-test-2
 ansible-test-3
-
-
-
-
-
-
+[cassandra]
+openstack01-node[01:03]
+[first_cassandra]
+openstack01-node01
+[next_cassandra]
+openstack01-node02
+openstack01-node03
+[first_cassandra:vars]
+run_options=""
+[next_cassandra:vars]
+run_options="-e CASSANDRA_SEEDS=172.23.41.1"
diff --git a/roles/cassandra/tasks/main.yml b/roles/cassandra/tasks/main.yml
new file mode 100644
index 0000000..52d70c4
--- /dev/null
+++ b/roles/cassandra/tasks/main.yml
@@ -0,0 +1,16 @@
+# Install a docker based cassandra cluster.
+---
+- include: ../common/tasks/docker.yml
+- name: install service file.
+  template:
+    src: templates/cassandra.service
+    dest: /etc/systemd/system/cassandra.service
+    mode: 644
+    owner: root
+    group: root
+- name: install service file
+  command: systemctl daemon-reload
+- name: make sure service is started
+  systemd:
+    name: cassandra.service
+    state: started
diff --git a/roles/cassandra/templates/cassandra.service b/roles/cassandra/templates/cassandra.service
new file mode 100644
index 0000000..d8f173e
--- /dev/null
+++ b/roles/cassandra/templates/cassandra.service
@@ -0,0 +1,19 @@
+[Unit]
+Description=Cassandra Container
+After=docker.service
+Requires=docker.service
+
+[Service]
+TimeoutStartSec=0
+Restart=always
+ExecStartPre=-/usr/bin/docker stop %n
+ExecStartPre=-/usr/bin/docker rm %n
+ExecStartPre=/usr/bin/docker pull cassandra:3.10
+ExecStart=/usr/bin/docker run --name %n -v /srv/lib/cassandra:/var/lib/cassandra \
+ -p 7000:7000 -p 7001:7001 -p 7199:7199 -p 9042:9042 -p 9160:9160 \
+ -e CASSANDRA_BROADCAST_ADDRESS={{ansible_default_ipv4.address}} \
+ -e CASSANDRA_START_RPC=True \
+ {{run_options}} cassandra:3.10
+
+[Install]
+WantedBy=multi-user.target