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Change RabbitMQ cluster node names to short hostname #43

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merged 8 commits into from
Sep 25, 2024
Merged

Change RabbitMQ cluster node names to short hostname #43

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cb732a4
resolved conflicts
steven-schattenberg-itential Aug 15, 2024
f70f630
WIP: using inventory_hostname_short instead of ansible.hostname
steven-schattenberg-itential Sep 4, 2024
88333a8
Merge branch 'main' into rabbit-cluster-node-names
steven-schattenberg-itential Sep 4, 2024
ed3f1f7
Resolved conflict
steven-schattenberg-itential Sep 4, 2024
a4e8cd4
resolved conflicts
steven-schattenberg-itential Aug 15, 2024
ce351f5
Resolve conflict
steven-schattenberg-itential Sep 23, 2024
d650e9e
Merge branch 'main' into rabbit-cluster-node-names
steven-schattenberg-itential Sep 23, 2024
3e59025
Resolve conflicts
steven-schattenberg-itential Sep 23, 2024
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8 changes: 4 additions & 4 deletions roles/rabbitmq/tasks/configure-clustering.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
- name: Write all RabbitMQ nodes to the hosts file
ansible.builtin.lineinfile:
path: "/etc/hosts"
line: "{{ hostvars[item].ansible_default_ipv4.address }} rabbit{{ my_idx + 1 }} {{ hostvars[item].ansible_hostname }}"
line: "{{ hostvars[item].ansible_default_ipv4.address }} {{ item }} {{ hostvars[item].inventory_hostname_short }} rabbit{{ my_idx + 1 }}"
loop: "{{ lookup('inventory_hostnames', 'rabbitmq', wantlist=True) }}"
loop_control:
index_var: my_idx
Expand All @@ -13,7 +13,7 @@
- name: Write all RabbitMQ nodes to the hosts file for secondary DR
ansible.builtin.lineinfile:
path: "/etc/hosts"
line: "{{ hostvars[item].ansible_default_ipv4.address }} rabbit{{ my_idx + 1 }} {{ hostvars[item].ansible_hostname }}"
line: "{{ hostvars[item].ansible_default_ipv4.address }} {{ item }} {{ hostvars[item].inventory_hostname_short }} rabbit{{ my_idx + 1 }}"
loop: "{{ lookup('inventory_hostnames', 'rabbitmq_secondary', wantlist=True) }}"
loop_control:
index_var: my_idx
Expand All @@ -25,7 +25,7 @@
ansible.builtin.lineinfile:
path: "{{ rabbitmq_config }}"
insertafter: "cluster_formation.peer_discovery_backend = rabbit_peer_discovery_classic_config"
line: "cluster_formation.classic_config.nodes.{{ my_idx + 1 }} = rabbit@{{ hostvars[item].ansible_hostname }}"
line: "cluster_formation.classic_config.nodes.{{ my_idx + 1 }} = rabbit@{{ hostvars[item].inventory_hostname_short }}"
loop: "{{ lookup('inventory_hostnames', 'rabbitmq', wantlist=True) }}"
loop_control:
index_var: my_idx
Expand All @@ -35,7 +35,7 @@
ansible.builtin.lineinfile:
path: "{{ rabbitmq_config }}"
insertafter: "cluster_formation.peer_discovery_backend = rabbit_peer_discovery_classic_config"
line: "cluster_formation.classic_config.nodes.{{ my_idx + 1 }} = rabbit@{{ hostvars[item].ansible_hostname }}"
line: "cluster_formation.classic_config.nodes.{{ my_idx + 1 }} = rabbit@{{ hostvars[item].inventory_hostname_short }}"
loop: "{{ lookup('inventory_hostnames', 'rabbitmq_secondary', wantlist=True) }}"
loop_control:
index_var: my_idx
Expand Down
24 changes: 12 additions & 12 deletions roles/rabbitmq/tasks/enable-clustering.yml
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@
changed_when: output.rc != 0
when:
- inventory_hostname in groups['rabbitmq']
- hostvars[groups['rabbitmq'][0]].ansible_hostname != ansible_hostname
- groups.rabbitmq.index(inventory_hostname) != 0

- name: Stop RabbitMQ for secondary
ansible.builtin.command:
Expand All @@ -21,7 +21,7 @@
when:
- groups['rabbitmq_secondary'] is defined
- inventory_hostname in groups['rabbitmq_secondary']
- hostvars[groups['rabbitmq_secondary'][0]].ansible_hostname != ansible_hostname
- groups.rabbitmq_secondary.index(inventory_hostname) != 0

- name: Reset node
ansible.builtin.command:
Expand All @@ -30,7 +30,7 @@
changed_when: output.rc != 0
when:
- inventory_hostname in groups['rabbitmq']
- hostvars[groups['rabbitmq'][0]].ansible_hostname != ansible_hostname
- groups.rabbitmq.index(inventory_hostname) != 0

- name: Reset node for secondary
ansible.builtin.command:
Expand All @@ -40,26 +40,26 @@
when:
- groups['rabbitmq_secondary'] is defined
- inventory_hostname in groups['rabbitmq_secondary']
- hostvars[groups['rabbitmq_secondary'][0]].ansible_hostname != ansible_hostname
- groups.rabbitmq_secondary.index(inventory_hostname) != 0

- name: Join cluster
ansible.builtin.command:
cmd: "rabbitmqctl join_cluster rabbit@{{ hostvars[groups['rabbitmq'][0]].ansible_hostname }}"
cmd: "rabbitmqctl join_cluster rabbit@{{ hostvars[groups['rabbitmq'][0]].inventory_hostname_short }}"
register: output
changed_when: output.rc != 0
when:
- inventory_hostname in groups['rabbitmq']
- hostvars[groups['rabbitmq'][0]].ansible_hostname != ansible_hostname
- inventory_hostname in groups.rabbitmq
- groups.rabbitmq.index(inventory_hostname) != 0

- name: Join cluster for secondary DR
ansible.builtin.command:
cmd: "rabbitmqctl join_cluster rabbit@{{ hostvars[groups['rabbitmq_secondary'][0]].ansible_hostname }}"
cmd: "rabbitmqctl join_cluster rabbit@{{ hostvars[groups['rabbitmq_secondary'][0]].inventory_hostname_short }}"
register: output
changed_when: output.rc != 0
when:
- groups['rabbitmq_secondary'] is defined
- inventory_hostname in groups['rabbitmq_secondary']
- hostvars[groups['rabbitmq_secondary'][0]].ansible_hostname != ansible_hostname
- inventory_hostname in groups.rabbitmq_secondary
- groups.rabbitmq_secondary.index(inventory_hostname) != 0

- name: Restart RabbitMQ server
ansible.builtin.systemd:
Expand All @@ -68,7 +68,7 @@
state: restarted
when:
- inventory_hostname in groups['rabbitmq']
- hostvars[groups['rabbitmq'][0]].ansible_hostname != ansible_hostname
- groups.rabbitmq.index(inventory_hostname) != 0

- name: Restart RabbitMQ server for secondary
ansible.builtin.systemd:
Expand All @@ -78,7 +78,7 @@
when:
- groups['rabbitmq_secondary'] is defined
- inventory_hostname in groups['rabbitmq_secondary']
- hostvars[groups['rabbitmq_secondary'][0]].ansible_hostname != ansible_hostname
- groups.rabbitmq_secondary.index(inventory_hostname) != 0

# From the cmd line run this to set the proper HA policy on the iap vhost
# rabbitmqctl set_policy ha-all -p iap ".*" '{"ha-mode":"all", "ha-promote-on-shutdown": "when-synced", "ha-sync-mode": "automatic"}'
Expand Down
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