From 8d5e7b36d508298a0d92cba9c0f654c24c2fb0f2 Mon Sep 17 00:00:00 2001
From: Jan Chaloupka <jchaloup@redhat.com>
Date: Wed, 1 Nov 2017 21:29:54 +0100
Subject: check presence of v2 snapshot before the migration proceeds
---
roles/etcd/tasks/migration/check.yml | 11 +++++++++++
1 file changed, 11 insertions(+)
(limited to 'roles/etcd/tasks')
diff --git a/roles/etcd/tasks/migration/check.yml b/roles/etcd/tasks/migration/check.yml
index 0804d9e1c..5c45e5ae1 100644
--- a/roles/etcd/tasks/migration/check.yml
+++ b/roles/etcd/tasks/migration/check.yml
@@ -3,6 +3,17 @@
# Check the cluster is healthy
- include: check_cluster_health.yml
+# Check if there is at least one v2 snapshot
+- name: Check if there is at least one v2 snapshot
+ find:
+ paths: "{{ etcd_data_dir }}/member/snap"
+ patterns: '*.snap'
+ register: snapshots_result
+
+- fail:
+ msg: "Before the migration can proceed the etcd member must write down at least one snapshot under {{ etcd_data_dir }}/member/snap directory."
+ when: snapshots_result.matched | int == 0
+
# Check if the member has v3 data already
# Run the migration only if the data are v2
- name: Check if there are any v3 data
--
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