diff options
Diffstat (limited to 'playbooks/common/openshift-etcd')
| -rw-r--r-- | playbooks/common/openshift-etcd/config.yml | 1 | ||||
| -rw-r--r-- | playbooks/common/openshift-etcd/migrate.yml | 165 | ||||
| -rw-r--r-- | playbooks/common/openshift-etcd/scaleup.yml | 55 | ||||
| -rw-r--r-- | playbooks/common/openshift-etcd/service.yml | 23 |
4 files changed, 221 insertions, 23 deletions
diff --git a/playbooks/common/openshift-etcd/config.yml b/playbooks/common/openshift-etcd/config.yml index 2cb6197d1..f2b85eea1 100644 --- a/playbooks/common/openshift-etcd/config.yml +++ b/playbooks/common/openshift-etcd/config.yml @@ -3,6 +3,7 @@ hosts: oo_etcd_to_config any_errors_fatal: true roles: + - role: os_firewall - role: openshift_etcd etcd_peers: "{{ groups.oo_etcd_to_config | default([], true) }}" etcd_ca_host: "{{ groups.oo_etcd_to_config.0 }}" diff --git a/playbooks/common/openshift-etcd/migrate.yml b/playbooks/common/openshift-etcd/migrate.yml new file mode 100644 index 000000000..311ff84b6 --- /dev/null +++ b/playbooks/common/openshift-etcd/migrate.yml @@ -0,0 +1,165 @@ +--- +- include: ../openshift-cluster/evaluate_groups.yml + tags: + - always + +- name: Run pre-checks + hosts: oo_etcd_to_migrate + tags: + - always + roles: + - role: etcd_migrate + r_etcd_migrate_action: check + r_etcd_common_embedded_etcd: "{{ groups.oo_etcd_to_config | default([]) | length == 0 }}" + etcd_peer: "{{ ansible_default_ipv4.address }}" + +- include: ../openshift-cluster/initialize_facts.yml + tags: + - always + +# TODO: This will be different for release-3.6 branch +- name: Prepare masters for etcd data migration + hosts: oo_masters_to_config + tasks: + - set_fact: + master_services: + - "{{ openshift.common.service_type + '-master-controllers' }}" + - "{{ openshift.common.service_type + '-master-api' }}" + - debug: + msg: "master service name: {{ master_services }}" + - name: Stop masters + service: + name: "{{ item }}" + state: stopped + with_items: "{{ master_services }}" + +- name: Backup v2 data + hosts: oo_etcd_to_migrate + gather_facts: no + tags: + - always + roles: + - role: openshift_facts + - role: etcd_common + r_etcd_common_action: backup + r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}" + r_etcd_common_backup_tag: pre-migration + r_etcd_common_embedded_etcd: "{{ groups.oo_etcd_to_config | default([]) | length == 0 }}" + r_etcd_common_backup_sufix_name: "{{ lookup('pipe', 'date +%Y%m%d%H%M%S') }}" + +- name: Gate on etcd backup + hosts: localhost + connection: local + become: no + tasks: + - set_fact: + etcd_backup_completed: "{{ hostvars + | oo_select_keys(groups.oo_etcd_to_migrate) + | oo_collect('inventory_hostname', {'r_etcd_common_backup_complete': true}) }}" + - set_fact: + etcd_backup_failed: "{{ groups.oo_etcd_to_migrate | difference(etcd_backup_completed) }}" + - fail: + msg: "Migration cannot continue. The following hosts did not complete etcd backup: {{ etcd_backup_failed | join(',') }}" + when: + - etcd_backup_failed | length > 0 + +- name: Stop etcd + hosts: oo_etcd_to_migrate + gather_facts: no + tags: + - always + pre_tasks: + - set_fact: + l_etcd_service: "{{ 'etcd_container' if openshift.common.is_containerized else 'etcd' }}" + - name: Disable etcd members + service: + name: "{{ l_etcd_service }}" + state: stopped + +- name: Migrate data on first etcd + hosts: oo_etcd_to_migrate[0] + gather_facts: no + tags: + - always + roles: + - role: etcd_migrate + r_etcd_migrate_action: migrate + r_etcd_common_embedded_etcd: "{{ groups.oo_etcd_to_config | default([]) | length == 0 }}" + etcd_peer: "{{ ansible_default_ipv4.address }}" + etcd_url_scheme: "https" + etcd_peer_url_scheme: "https" + +- name: Clean data stores on remaining etcd hosts + hosts: oo_etcd_to_migrate[1:] + gather_facts: no + tags: + - always + roles: + - role: etcd_migrate + r_etcd_migrate_action: clean_data + r_etcd_common_embedded_etcd: "{{ groups.oo_etcd_to_config | default([]) | length == 0 }}" + etcd_peer: "{{ ansible_default_ipv4.address }}" + etcd_url_scheme: "https" + etcd_peer_url_scheme: "https" + post_tasks: + - name: Add etcd hosts + delegate_to: localhost + add_host: + name: "{{ item }}" + groups: oo_new_etcd_to_config + ansible_ssh_user: "{{ g_ssh_user | default(omit) }}" + ansible_become: "{{ g_sudo | default(omit) }}" + with_items: "{{ groups.oo_etcd_to_migrate[1:] | default([]) }}" + changed_when: no + - name: Set success + set_fact: + r_etcd_migrate_success: true + +- include: ./scaleup.yml + +- name: Gate on etcd migration + hosts: oo_masters_to_config + gather_facts: no + tasks: + - set_fact: + etcd_migration_completed: "{{ hostvars + | oo_select_keys(groups.oo_etcd_to_migrate) + | oo_collect('inventory_hostname', {'r_etcd_migrate_success': true}) }}" + - set_fact: + etcd_migration_failed: "{{ groups.oo_etcd_to_migrate | difference(etcd_migration_completed) }}" + +- name: Add TTLs on the first master + hosts: oo_first_master[0] + roles: + - role: etcd_migrate + r_etcd_migrate_action: add_ttls + etcd_peer: "{{ hostvars[groups.oo_etcd_to_migrate.0].ansible_default_ipv4.address }}" + etcd_url_scheme: "https" + etcd_peer_url_scheme: "https" + when: etcd_migration_failed | length == 0 + +- name: Configure masters if etcd data migration is succesfull + hosts: oo_masters_to_config + roles: + - role: etcd_migrate + r_etcd_migrate_action: configure + when: etcd_migration_failed | length == 0 + tasks: + - debug: + msg: "Skipping master re-configuration since migration failed." + when: + - etcd_migration_failed | length > 0 + - name: Start master services + service: + name: "{{ item }}" + state: started + register: service_status + # Sometimes the master-api, resp. master-controllers fails to start for the first time + until: service_status.state is defined and service_status.state == "started" + retries: 5 + delay: 10 + with_items: "{{ master_services[::-1] }}" + - fail: + msg: "Migration failed. The following hosts were not properly migrated: {{ etcd_migration_failed | join(',') }}" + when: + - etcd_migration_failed | length > 0 diff --git a/playbooks/common/openshift-etcd/scaleup.yml b/playbooks/common/openshift-etcd/scaleup.yml new file mode 100644 index 000000000..5f8bb1c7a --- /dev/null +++ b/playbooks/common/openshift-etcd/scaleup.yml @@ -0,0 +1,55 @@ +--- +- name: Gather facts + hosts: oo_etcd_to_config:oo_new_etcd_to_config + roles: + - openshift_etcd_facts + post_tasks: + - set_fact: + etcd_hostname: "{{ etcd_hostname }}" + etcd_ip: "{{ etcd_ip }}" + +- name: Configure etcd + hosts: oo_new_etcd_to_config + serial: 1 + any_errors_fatal: true + vars: + etcd_ca_host: "{{ groups.oo_etcd_to_config.0 }}" + pre_tasks: + - name: Add new etcd members to cluster + command: > + /usr/bin/etcdctl --cert-file {{ etcd_peer_cert_file }} + --key-file {{ etcd_peer_key_file }} + --ca-file {{ etcd_peer_ca_file }} + -C {{ etcd_peer_url_scheme }}://{{ hostvars[etcd_ca_host].etcd_hostname }}:{{ etcd_client_port }} + member add {{ etcd_hostname }} {{ etcd_peer_url_scheme }}://{{ etcd_ip }}:{{ etcd_peer_port }} + delegate_to: "{{ etcd_ca_host }}" + register: etcd_add_check + retries: 3 + delay: 10 + until: etcd_add_check.rc == 0 + roles: + - role: os_firewall + when: etcd_add_check.rc == 0 + - role: openshift_etcd + when: etcd_add_check.rc == 0 + etcd_peers: "{{ groups.oo_etcd_to_config | union(groups.oo_new_etcd_to_config)| default([], true) }}" + etcd_ca_host: "{{ groups.oo_etcd_to_config.0 }}" + etcd_certificates_etcd_hosts: "{{ groups.oo_etcd_to_config | default([], true) }}" + etcd_initial_cluster_state: "existing" + initial_etcd_cluster: "{{ etcd_add_check.stdout_lines[3] | regex_replace('ETCD_INITIAL_CLUSTER=','') | regex_replace('\"','') }}" + etcd_ca_setup: False + r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}" + - role: nickhammond.logrotate + when: etcd_add_check.rc == 0 + post_tasks: + - name: Verify cluster is stable + command: > + /usr/bin/etcdctl --cert-file {{ etcd_peer_cert_file }} + --key-file {{ etcd_peer_key_file }} + --ca-file {{ etcd_peer_ca_file }} + -C {{ etcd_peer_url_scheme }}://{{ hostvars[etcd_ca_host].etcd_hostname }}:{{ etcd_client_port }} + cluster-health + register: scaleup_health + retries: 3 + delay: 30 + until: scaleup_health.rc == 0 diff --git a/playbooks/common/openshift-etcd/service.yml b/playbooks/common/openshift-etcd/service.yml deleted file mode 100644 index ced4bddc5..000000000 --- a/playbooks/common/openshift-etcd/service.yml +++ /dev/null @@ -1,23 +0,0 @@ ---- -- name: Populate g_service_masters host group if needed - hosts: localhost - connection: local - become: no - gather_facts: no - tasks: - - fail: msg="new_cluster_state is required to be injected in this playbook" - when: new_cluster_state is not defined - - - name: Evaluate g_service_etcd - add_host: - name: "{{ item }}" - groups: g_service_etcd - with_items: "{{ oo_host_group_exp | default([]) }}" - changed_when: False - -- name: Change etcd state on etcd instance(s) - hosts: g_service_etcd - connection: ssh - gather_facts: no - tasks: - - service: name=etcd state="{{ new_cluster_state }}" |