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authorJan Chaloupka <jchaloup@redhat.com>2017-10-05 16:17:35 +0200
committerJan Chaloupka <jchaloup@redhat.com>2017-10-06 16:45:23 +0200
commit43b7dcd79df91114d6b7cd9c9bf09a4254746f73 (patch)
treef4dae4805b47dd4cc45e98ed9bce172cae7c9927 /playbooks/common/openshift-etcd/embedded2external.yml
parenta25709a6f16913b59ef2edc3e07d8bc8a598f41e (diff)
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migrate embedded etcd to external etcd
Diffstat (limited to 'playbooks/common/openshift-etcd/embedded2external.yml')
-rw-r--r--playbooks/common/openshift-etcd/embedded2external.yml188
1 files changed, 188 insertions, 0 deletions
diff --git a/playbooks/common/openshift-etcd/embedded2external.yml b/playbooks/common/openshift-etcd/embedded2external.yml
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index 000000000..bd1139c7b
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+++ b/playbooks/common/openshift-etcd/embedded2external.yml
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+---
+- name: Pre-migrate checks
+ hosts: localhost
+ tasks:
+ # Check there is only one etcd host
+ - assert:
+ that: groups.oo_etcd_to_config | default([]) | length == 1
+ msg: "[etcd] group must contain only one host"
+ # Check there is only one master
+ - assert:
+ that: groups.oo_masters_to_config | default([]) | length == 1
+ msg: "[master] group must contain only one host"
+
+# Check the etcd cluster and master are running and healthy
+- name: Check master and embedded etcd are healthy
+ hosts: oo_first_master
+ tasks:
+ - name: Check the embedded etcd is healthy
+ include_role:
+ name: etcd
+ tasks_from: check_cluster_health
+ vars:
+ r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
+ r_etcd_common_backup_tag: pre-migrate
+ r_etcd_common_backup_sufix_name: "{{ hostvars[groups.oo_first_master.0].embedded_etcd_backup_suffix }}"
+ etcd_peer: "{{ openshift.common.ip }}"
+ etcd_url_scheme: "https"
+ etcd_peer_url_scheme: "https"
+ - name: Check the master API is ready
+ include_role:
+ name: openshift_master
+ tasks_from: check_master_api_is_ready
+
+# 1. stop a master
+- name: Prepare masters for etcd data migration
+ hosts: oo_first_master
+ roles:
+ - role: openshift_facts
+ tasks:
+ - set_fact:
+ master_service: "{{ openshift.common.service_type + '-master' }}"
+ embedded_etcd_backup_suffix: "{{ lookup('pipe', 'date +%Y%m%d%H%M%S') }}"
+ - debug:
+ msg: "master service name: {{ master_service }}"
+ - name: Stop master
+ service:
+ name: "{{ master_service }}"
+ state: stopped
+ # 2. backup embedded etcd
+ # Can't use with_items with include_role: https://github.com/ansible/ansible/issues/21285
+ - include_role:
+ name: etcd
+ tasks_from: backup
+ vars:
+ r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
+ r_etcd_common_backup_tag: pre-migrate
+ r_etcd_common_embedded_etcd: "{{ true }}"
+ r_etcd_common_backup_sufix_name: "{{ embedded_etcd_backup_suffix }}"
+
+ - include_role:
+ name: etcd
+ tasks_from: backup.archive
+ vars:
+ r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
+ r_etcd_common_backup_tag: pre-migrate
+ r_etcd_common_embedded_etcd: "{{ true }}"
+ r_etcd_common_backup_sufix_name: "{{ embedded_etcd_backup_suffix }}"
+
+# 3. deploy certificates (for etcd and master)
+- include: ca.yml
+
+- include: server_certificates.yml
+
+- name: Backup etcd client certificates for master host
+ hosts: oo_first_master
+ tasks:
+ - include_role:
+ name: etcd
+ tasks_from: backup_master_etcd_certificates
+
+- name: Redeploy master etcd certificates
+ include: master_etcd_certificates.yml
+ vars:
+ etcd_certificates_redeploy: "{{ true }}"
+
+# 4. deploy external etcd
+- include: ../openshift-etcd/config.yml
+
+# 5. stop external etcd
+- name: Cleanse etcd
+ hosts: oo_etcd_to_config[0]
+ gather_facts: no
+ pre_tasks:
+ - include_role:
+ name: etcd
+ tasks_from: disable_etcd
+ vars:
+ r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
+ - include_role:
+ name: etcd
+ tasks_from: clean_data
+ vars:
+ r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
+
+# 6. copy the embedded etcd backup to the external host
+# TODO(jchaloup): if the etcd and first master are on the same host, just copy the directory
+- name: Copy embedded etcd backup to the external host
+ hosts: localhost
+ tasks:
+ - name: Create local temp directory for syncing etcd backup
+ local_action: command mktemp -d /tmp/etcd_backup-XXXXXXX
+ register: g_etcd_client_mktemp
+ changed_when: False
+ become: no
+
+ - include_role:
+ name: etcd
+ tasks_from: backup.fetch
+ vars:
+ r_etcd_common_etcd_runtime: "{{ hostvars[groups.oo_first_master.0].openshift.common.etcd_runtime }}"
+ etcd_backup_sync_directory: "{{ g_etcd_client_mktemp.stdout }}"
+ r_etcd_common_backup_tag: pre-migrate
+ r_etcd_common_embedded_etcd: "{{ true }}"
+ r_etcd_common_backup_sufix_name: "{{ hostvars[groups.oo_first_master.0].embedded_etcd_backup_suffix }}"
+ delegate_to: "{{ groups.oo_first_master[0] }}"
+
+ - include_role:
+ name: etcd
+ tasks_from: backup.copy
+ vars:
+ r_etcd_common_etcd_runtime: "{{ hostvars[groups.oo_etcd_to_config.0].openshift.common.etcd_runtime }}"
+ etcd_backup_sync_directory: "{{ g_etcd_client_mktemp.stdout }}"
+ r_etcd_common_backup_tag: pre-migrate
+ r_etcd_common_backup_sufix_name: "{{ hostvars[groups.oo_first_master.0].embedded_etcd_backup_suffix }}"
+ delegate_to: "{{ groups.oo_etcd_to_config[0] }}"
+
+ - debug:
+ msg: "etcd_backup_dest_directory: {{ g_etcd_client_mktemp.stdout }}"
+
+ - name: Delete temporary directory
+ local_action: file path="{{ g_etcd_client_mktemp.stdout }}" state=absent
+ changed_when: False
+ become: no
+
+# 7. force new cluster from the backup
+- name: Force new etcd cluster
+ hosts: oo_etcd_to_config[0]
+ tasks:
+ - include_role:
+ name: etcd
+ tasks_from: backup.unarchive
+ vars:
+ r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
+ r_etcd_common_backup_tag: pre-migrate
+ r_etcd_common_backup_sufix_name: "{{ hostvars[groups.oo_first_master.0].embedded_etcd_backup_suffix }}"
+
+ - include_role:
+ name: etcd
+ tasks_from: backup.force_new_cluster
+ vars:
+ r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
+ r_etcd_common_backup_tag: pre-migrate
+ r_etcd_common_backup_sufix_name: "{{ hostvars[groups.oo_first_master.0].embedded_etcd_backup_suffix }}"
+ etcd_peer: "{{ openshift.common.ip }}"
+ etcd_url_scheme: "https"
+ etcd_peer_url_scheme: "https"
+
+# 8. re-configure master to use the external etcd
+- name: Configure master to use external etcd
+ hosts: oo_first_master
+ tasks:
+ - include_role:
+ name: openshift_master
+ tasks_from: configure_external_etcd
+ vars:
+ etcd_peer_url_scheme: "https"
+ etcd_ip: "{{ openshift.common.ip }}"
+ etcd_peer_port: 2379
+
+ # 9. start the master
+ - name: Start master
+ service:
+ name: "{{ master_service }}"
+ state: started
+ register: service_status
+ until: service_status.state is defined and service_status.state == "started"
+ retries: 5
+ delay: 10