c12s-kubespray/roles/etcd/tasks/configure.yml

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---
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- name: Configure | Check if etcd cluster is healthy
shell: "set -o pipefail && {{ bin_dir }}/etcdctl endpoint --cluster status && {{ bin_dir }}/etcdctl endpoint --cluster health 2>&1 | grep -q -v 'Error: unhealthy cluster'"
args:
executable: /bin/bash
register: etcd_cluster_is_healthy
failed_when: false
changed_when: false
check_mode: no
run_once: yes
when: is_etcd_master and etcd_cluster_setup
tags:
- facts
environment:
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ETCDCTL_API: 3
ETCDCTL_CERT: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}.pem"
ETCDCTL_KEY: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}-key.pem"
ETCDCTL_CACERT: "{{ etcd_cert_dir }}/ca.pem"
ETCDCTL_ENDPOINTS: "{{ etcd_access_addresses }}"
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- name: Configure | Check if etcd-events cluster is healthy
shell: "set -o pipefail && {{ bin_dir }}/etcdctl endpoint --cluster status && {{ bin_dir }}/etcdctl endpoint --cluster health 2>&1 | grep -q -v 'Error: unhealthy cluster'"
args:
executable: /bin/bash
register: etcd_events_cluster_is_healthy
failed_when: false
changed_when: false
check_mode: no
run_once: yes
when: is_etcd_master and etcd_events_cluster_setup
tags:
- facts
environment:
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ETCDCTL_API: 3
ETCDCTL_CERT: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}.pem"
ETCDCTL_KEY: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}-key.pem"
ETCDCTL_CACERT: "{{ etcd_cert_dir }}/ca.pem"
ETCDCTL_ENDPOINTS: "{{ etcd_events_access_addresses }}"
- include_tasks: refresh_config.yml
when: is_etcd_master
- name: Configure | Copy etcd.service systemd file
template:
src: "etcd-{{ etcd_deployment_type }}.service.j2"
dest: /etc/systemd/system/etcd.service
backup: yes
when: is_etcd_master and etcd_cluster_setup
- name: Configure | Copy etcd-events.service systemd file
template:
src: "etcd-events-{{ etcd_deployment_type }}.service.j2"
dest: /etc/systemd/system/etcd-events.service
backup: yes
when: is_etcd_master and etcd_events_cluster_setup
- name: Configure | reload systemd
systemd:
daemon_reload: true
when: is_etcd_master
# when scaling new etcd will fail to start
- name: Configure | Ensure etcd is running
service:
name: etcd
state: started
enabled: yes
ignore_errors: "{{ etcd_cluster_is_healthy.rc == 0 }}"
when: is_etcd_master and etcd_cluster_setup
# when scaling new etcd will fail to start
- name: Configure | Ensure etcd-events is running
service:
name: etcd-events
state: started
enabled: yes
ignore_errors: "{{ etcd_events_cluster_is_healthy.rc == 0 }}"
when: is_etcd_master and etcd_events_cluster_setup
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- name: Configure | Wait for etcd cluster to be healthy
shell: "set -o pipefail && {{ bin_dir }}/etcdctl endpoint --cluster status && {{ bin_dir }}/etcdctl endpoint --cluster health 2>&1 | grep -q -v 'Error: unhealthy cluster'"
args:
executable: /bin/bash
register: etcd_cluster_is_healthy
until: etcd_cluster_is_healthy.rc == 0
retries: "{{ etcd_retries }}"
delay: "{{ retry_stagger | random + 3 }}"
changed_when: false
check_mode: no
run_once: yes
when:
- is_etcd_master
- etcd_cluster_setup
tags:
- facts
environment:
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ETCDCTL_API: 3
ETCDCTL_CERT: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}.pem"
ETCDCTL_KEY: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}-key.pem"
ETCDCTL_CACERT: "{{ etcd_cert_dir }}/ca.pem"
ETCDCTL_ENDPOINTS: "{{ etcd_access_addresses }}"
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- name: Configure | Wait for etcd-events cluster to be healthy
shell: "set -o pipefail && {{ bin_dir }}/etcdctl endpoint --cluster status && {{ bin_dir }}/etcdctl endpoint --cluster health 2>&1 | grep -q -v 'Error: unhealthy cluster'"
args:
executable: /bin/bash
register: etcd_events_cluster_is_healthy
until: etcd_events_cluster_is_healthy.rc == 0
retries: "{{ etcd_retries }}"
delay: "{{ retry_stagger | random + 3 }}"
changed_when: false
check_mode: no
run_once: yes
when:
- is_etcd_master
- etcd_events_cluster_setup
tags:
- facts
environment:
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ETCDCTL_API: 3
ETCDCTL_CERT: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}.pem"
ETCDCTL_KEY: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}-key.pem"
ETCDCTL_CACERT: "{{ etcd_cert_dir }}/ca.pem"
ETCDCTL_ENDPOINTS: "{{ etcd_events_access_addresses }}"
- name: Configure | Check if member is in etcd cluster
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shell: "{{ bin_dir }}/etcdctl member list | grep -q {{ etcd_access_address }}"
register: etcd_member_in_cluster
ignore_errors: true
changed_when: false
check_mode: no
when: is_etcd_master and etcd_cluster_setup
tags:
- facts
environment:
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ETCDCTL_API: 3
ETCDCTL_CERT: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}.pem"
ETCDCTL_KEY: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}-key.pem"
ETCDCTL_CACERT: "{{ etcd_cert_dir }}/ca.pem"
ETCDCTL_ENDPOINTS: "{{ etcd_access_addresses }}"
- name: Configure | Check if member is in etcd-events cluster
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shell: "{{ bin_dir }}/etcdctl member list | grep -q {{ etcd_access_address }}"
register: etcd_events_member_in_cluster
ignore_errors: true
changed_when: false
check_mode: no
when: is_etcd_master and etcd_events_cluster_setup
tags:
- facts
environment:
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ETCDCTL_API: 3
ETCDCTL_CERT: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}.pem"
ETCDCTL_KEY: "{{ etcd_cert_dir }}/admin-{{ inventory_hostname }}-key.pem"
ETCDCTL_CACERT: "{{ etcd_cert_dir }}/ca.pem"
ETCDCTL_ENDPOINTS: "{{ etcd_events_access_addresses }}"
- name: Configure | Join member(s) to etcd cluster one at a time
include_tasks: join_etcd_member.yml
with_items: "{{ groups['etcd'] }}"
when: inventory_hostname == item and etcd_cluster_setup and etcd_member_in_cluster.rc != 0 and etcd_cluster_is_healthy.rc == 0
- name: Configure | Join member(s) to etcd-events cluster one at a time
include_tasks: join_etcd-events_member.yml
with_items: "{{ groups['etcd'] }}"
when: inventory_hostname == item and etcd_events_cluster_setup and etcd_events_member_in_cluster.rc != 0 and etcd_events_cluster_is_healthy.rc == 0