From 9e2fcb48c36b9478e34b93ed0025c6b77b7ad597 Mon Sep 17 00:00:00 2001
From: Jan Chaloupka <jchaloup@redhat.com>
Date: Wed, 14 Jun 2017 09:32:02 +0200
Subject: move etcd backup to etcd_common role

---
 roles/etcd_common/tasks/backup.yml       | 72 ++++++++++++++++++++++++++++++++
 roles/etcd_common/tasks/drop_etcdctl.yml | 12 ++++++
 roles/etcd_common/tasks/etcdctl.yml      | 12 ------
 roles/etcd_common/tasks/main.yml         |  9 ++++
 4 files changed, 93 insertions(+), 12 deletions(-)
 create mode 100644 roles/etcd_common/tasks/backup.yml
 create mode 100644 roles/etcd_common/tasks/drop_etcdctl.yml
 delete mode 100644 roles/etcd_common/tasks/etcdctl.yml
 create mode 100644 roles/etcd_common/tasks/main.yml

(limited to 'roles/etcd_common/tasks')

diff --git a/roles/etcd_common/tasks/backup.yml b/roles/etcd_common/tasks/backup.yml
new file mode 100644
index 000000000..4a4832275
--- /dev/null
+++ b/roles/etcd_common/tasks/backup.yml
@@ -0,0 +1,72 @@
+---
+- set_fact:
+    l_etcd_backup_dir: "{{ etcd_data_dir }}/openshift-backup-{{ r_etcd_common_backup_tag }}{{ r_etcd_common_backup_sufix_name }}"
+
+# TODO: replace shell module with command and update later checks
+- name: Check available disk space for etcd backup
+  shell: df --output=avail -k {{ etcd_data_dir }} | tail -n 1
+  register: l_avail_disk
+  # AUDIT:changed_when: `false` because we are only inspecting
+  # state, not manipulating anything
+  changed_when: false
+
+# TODO: replace shell module with command and update later checks
+- name: Check current etcd disk usage
+  shell: du --exclude='*openshift-backup*' -k {{ etcd_data_dir }} | tail -n 1 | cut -f1
+  register: l_etcd_disk_usage
+  when: r_etcd_common_embedded_etcd | bool
+  # AUDIT:changed_when: `false` because we are only inspecting
+  # state, not manipulating anything
+  changed_when: false
+
+- name: Abort if insufficient disk space for etcd backup
+  fail:
+    msg: >
+      {{ l_etcd_disk_usage.stdout }} Kb disk space required for etcd backup,
+      {{ l_avail_disk.stdout }} Kb available.
+  when: (r_etcd_common_embedded_etcd | bool) and (l_etcd_disk_usage.stdout|int > l_avail_disk.stdout|int)
+
+# For non containerized and non embedded we should have the correct version of
+# etcd installed already. So don't do anything.
+#
+# For containerized installs we now exec into etcd_container
+#
+# For embedded non containerized we need to ensure we have the latest version
+# etcd on the host.
+- name: Detecting Atomic Host Operating System
+  stat:
+    path: /run/ostree-booted
+  register: l_ostree_booted
+
+- name: Install latest etcd for embedded
+  package:
+    name: etcd
+    state: latest
+  when:
+  - r_etcd_common_embedded_etcd | bool
+  - not l_ostree_booted.stat.exists | bool
+
+- name: Generate etcd backup
+  command: >
+    {{ r_etcd_common_etcdctl_command }} backup --data-dir={{ etcd_data_dir }}
+    --backup-dir={{ l_etcd_backup_dir }}
+
+# According to the docs change you can simply copy snap/db
+# https://github.com/openshift/openshift-docs/commit/b38042de02d9780842dce95cfa0ef45d53b58bc6
+- name: Check for v3 data store
+  stat:
+    path: "{{ etcd_data_dir }}/member/snap/db"
+  register: l_v3_db
+
+- name: Copy etcd v3 data store
+  command: >
+    cp -a {{ etcd_data_dir }}/member/snap/db
+    {{ l_etcd_backup_dir }}/member/snap/
+  when: l_v3_db.stat.exists
+
+- set_fact:
+    r_etcd_common_backup_complete: True
+
+- name: Display location of etcd backup
+  debug:
+    msg: "Etcd backup created in {{ l_etcd_backup_dir }}"
diff --git a/roles/etcd_common/tasks/drop_etcdctl.yml b/roles/etcd_common/tasks/drop_etcdctl.yml
new file mode 100644
index 000000000..6cb456677
--- /dev/null
+++ b/roles/etcd_common/tasks/drop_etcdctl.yml
@@ -0,0 +1,12 @@
+---
+- name: Install etcd for etcdctl
+  package: name=etcd{{ '-' + etcd_version if etcd_version is defined else '' }} state=present
+  when: not openshift.common.is_atomic | bool
+
+- name: Configure etcd profile.d alises
+  template:
+    dest: "/etc/profile.d/etcdctl.sh"
+    src: etcdctl.sh.j2
+    mode: 0755
+    owner: root
+    group: root
diff --git a/roles/etcd_common/tasks/etcdctl.yml b/roles/etcd_common/tasks/etcdctl.yml
deleted file mode 100644
index 6cb456677..000000000
--- a/roles/etcd_common/tasks/etcdctl.yml
+++ /dev/null
@@ -1,12 +0,0 @@
----
-- name: Install etcd for etcdctl
-  package: name=etcd{{ '-' + etcd_version if etcd_version is defined else '' }} state=present
-  when: not openshift.common.is_atomic | bool
-
-- name: Configure etcd profile.d alises
-  template:
-    dest: "/etc/profile.d/etcdctl.sh"
-    src: etcdctl.sh.j2
-    mode: 0755
-    owner: root
-    group: root
diff --git a/roles/etcd_common/tasks/main.yml b/roles/etcd_common/tasks/main.yml
new file mode 100644
index 000000000..6ed87e6c7
--- /dev/null
+++ b/roles/etcd_common/tasks/main.yml
@@ -0,0 +1,9 @@
+---
+- name: Fail if invalid r_etcd_common_action provided
+  fail:
+    msg: "etcd_common role can only be called with 'noop' or 'backup' or 'drop_etcdctl'"
+  when: r_etcd_common_action not in ['noop', 'backup', 'drop_etcdctl']
+
+- name: Include main action task file
+  include: "{{ r_etcd_common_action }}.yml"
+  when: r_etcd_common_action != "noop"
-- 
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