Merge pull request #3043 from jkhelil/scaleup_etcd

Add etcd scaleup playbook

2 files changed, 42 insertions, 3 deletions

diff --git a/playbooks/common/openshift-cluster/evaluate_groups.yml b/playbooks/common/openshift-cluster/evaluate_groups.yml
index baca72c58..8accda8c7 100644
--- a/playbooks/common/openshift-cluster/evaluate_groups.yml
+++ b/playbooks/common/openshift-cluster/evaluate_groups.yml
@@ -5,10 +5,10 @@
   become: no
   gather_facts: no
   tasks:
-  - name: Evaluate groups - g_etcd_hosts required
+  - name: Evaluate groups - g_etcd_hosts or g_new_etcd_hosts required
     fail:
-      msg: This playbook requires g_etcd_hosts to be set
-    when: g_etcd_hosts is not defined
+      msg: This playbook requires g_etcd_hosts or g_new_etcd_hosts to be set
+    when: "{{ g_etcd_hosts is not defined and g_new_etcd_hosts is not defined}}"
 
   - name: Evaluate groups - g_master_hosts or g_new_master_hosts required
     fail:
@@ -67,6 +67,15 @@
     when: g_master_hosts|length > 0
     changed_when: no
 
+  - name: Evaluate oo_new_etcd_to_config
+    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: "{{ g_new_etcd_hosts | default([]) }}"
+    changed_when: no
+
   - name: Evaluate oo_masters_to_config
     add_host:
       name: "{{ item }}"
diff --git a/playbooks/common/openshift-etcd/scaleup.yml b/playbooks/common/openshift-etcd/scaleup.yml
new file mode 100644
index 000000000..47fa8cdf5
--- /dev/null
+++ b/playbooks/common/openshift-etcd/scaleup.yml
@@ -0,0 +1,30 @@
+---
+- 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 }}://{{ etcd_ca_host }}:{{ etcd_client_port }}
+                        member add {{ inventory_hostname }} {{ etcd_peer_url_scheme }}://{{ hostvars[inventory_hostname]['ansible_default_ipv4']['address'] }}:{{ etcd_peer_port }}
+    delegate_to: "{{ etcd_ca_host }}"
+    register: etcd_add_check
+  roles:
+  - 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=','') }}"
+    etcd_hostname: "{{ inventory_hostname }}"
+    etcd_ca_setup: False
+    r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
+  - role: nickhammond.logrotate
+    when: etcd_add_check.rc == 0