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- ---
- # etcd_ip originates from etcd_common role
- - name: Check cluster status
- command: >
- etcdctl --cert /etc/etcd/peer.crt --key /etc/etcd/peer.key --cacert /etc/etcd/ca.crt --endpoints 'https://{{ etcd_peer }}:2379' -w json endpoint status
- environment:
- ETCDCTL_API: 3
- register: l_etcd_cluster_status
- - name: Retrieve raftIndex
- set_fact:
- etcd_member_raft_index: "{{ (l_etcd_cluster_status.stdout | from_json)[0]['Status']['raftIndex'] }}"
- - block:
- # http://docs.ansible.com/ansible/playbooks_filters.html#extracting-values-from-containers
- - name: Group all raftIndices into a list
- set_fact:
- etcd_members_raft_indices: "{{ groups['oo_etcd_to_config'] | map('extract', hostvars, 'etcd_member_raft_index') | list | unique }}"
- - name: Check the minimum and the maximum of raftIndices is at most 1
- set_fact:
- etcd_members_raft_indices_diff: "{{ ((etcd_members_raft_indices | max | int) - (etcd_members_raft_indices | min | int)) | int }}"
- - debug:
- msg: "Raft indices difference: {{ etcd_members_raft_indices_diff }}"
- when: inventory_hostname in groups.oo_etcd_to_config[0]
- # The cluster raft status is ok if the difference of the max and min raft index is at most 1
- - name: capture the status
- set_fact:
- l_etcd_cluster_status_ok: "{{ hostvars[groups.oo_etcd_to_config[0]]['etcd_members_raft_indices_diff'] | int < 2 }}"
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