Docker image changes

roles/lxc_swarm/tasks/deploy.yml

@@ -1,3 +1,39 @@
 ---
+- name: Create swarm secrets
+  shell: |
+    mkdir -p .secrets
+    openssl rand -base64 32 > .secrets/xtrabackup_password
+    openssl rand -base64 32 > .secrets/mysql_password
+    openssl rand -base64 32 > .secrets/mysql_root_password
+  run_once: true
+
 - name: Deploy swarm stack
-  shell: docker stack deploy -c stack.yaml stack
+  shell: docker stack deploy -c stack_mariadb.yaml stack
+
+- name: Update swarm stack with proper environmental variables
+  shell: |
+    unset MASTER_ADDR
+    mcontainer_addr=`ssh root@10.0.3.100 "docker ps|xargs -n1|grep -i NAMES -A 1|tail -1"`
+    MASTER_ADDR=`ssh -t root@10.0.3.100 "docker exec -it $mcontainer_addr ip a s|grep -i 10.0|head -1 2>/dev/null" 2>&1 |grep inet|awk '{print $2}'|cut -d "/" -f 1|tr -d ' '`
+    env MASTER_ADDR="${MASTER_ADDR}" docker stack deploy -c stack_mariadb.yaml stack
+    docker service scale stack_bnode=1
+    sleep 30
+  args:
+    executable: /bin/bash
+
+#- name: Wait for seed container to start
+#  pause:
+#    seconds: 30
+
+#- name: Start mariadb cluster on node1
+#  shell: docker service scale stack_node1=1
+
+#- name: Remove seed container
+#  shell: docker service rm stack_seed
+
+#- name: Wait for nodes[0] container to start
+#  pause:
+#    seconds: 30
+
+#- name: Start mariadb on node2
+#  shell: docker service scale stack_bnode=1

roles/lxc_swarm/tasks/main.yml

@@ -14,13 +14,9 @@
 - include: swarm.yml
   tags: swarm
 
-- setup:
+#- setup:
-  tags: swarm
+#  tags: swarm
-
-- include: Dockerfile.yml
-  when: inventory_hostname in groups['workers']
-  tags: swarm
 
 - include: deploy.yml
+  tags: swarm, deploy
   when: inventory_hostname in groups['manager']
-  tags: swarm

roles/lxc_swarm/tasks/swarm.yml

@@ -19,14 +19,22 @@
     remote_addrs: "10.0.3.1"
   when: inventory_hostname in groups['workers']
 
-- name: Prepare docker volumes
+- name: Prepare docker mysql data volume
   file: 
-     path: /var/container_data/mysql
+     path: /var/lib/mysql
      state: directory
      mode: '0777'
      recurse: true
   when: inventory_hostname in groups['workers']
 
+#- name: Prepare docker mysql configuration volume
+#  file:
+#     path: /etc/container_data/mysql
+#     state: directory
+#     mode: '0777'
+#     recurse: true
+#  when: inventory_hostname in groups['workers']
+
 - name: Add docker labels for galera master and secondary nodes
   shell: |
     docker node update --label-add node1=true worker1
@@ -39,3 +47,13 @@
 #      hostname: 'worker2'
 #      node2: true
 #  when: inventory_hostname in groups['workers']
+
+- name: Pull 'colinmollenhour/mariadb-galera-swarm' docker image
+  docker_image:
+    name: 'colinmollenhour/mariadb-galera-swarm'
+    source: pull
+  when: inventory_hostname in groups['workers']
+
+- name: Touch flag bootstrap file inside mariadb volume
+  shell: touch /var/lib/mysql/new-cluster
+  when: inventory_hostname in groups['workers'][0]

roles/lxc_swarm/templates/galera.cnf.j2

@@ -10,15 +10,8 @@ wsrep_provider=/usr/lib/galera/libgalera_smm.so
 
 # Galera Cluster Configuration
 wsrep_cluster_name="galera_cluster"
-#wsrep_cluster_address="gcomm://{% for host in groups['workers'] %} {{hostvars[host]['ansible_default_ipv4']['address']}} {% endfor %}"
-wsrep_cluster_address="gcomm://{% for address in container_address %} {{address}} {% endfor %}"
 
 # Galera Synchronization Configuration
 wsrep_sst_method=rsync
 
 # Galera Node Configuration
-#wsrep_node_address="{{ ansible_default_ipv4.address }}"
-#wsrep_node_name="{{ ansible_hostname }}"
-
-wsrep_node_address="{{ container_address[0] if ansible_hostname in groups['workers'][0] else container_address[1] }}
-wsrep_node_name="{{ nodes[0] if ansible_hostname in groups['workers'][0] else nodes[1] }}"