synced_folders/rsync: add UserKnownHostsFile to /dev/null [GH-3511]

hashicorp · Apr 22, 2014 · a47b85c · a47b85c
1 parent 7cbef9b
commit a47b85c
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -53,6 +53,7 @@ BUG FIXES:
 
   - synced\_folders/nfs: Acquires a process-level lock so exports don't
       collide with Vagrant running in parallel.
+  - synced\_folders/rsync: Add UserKnownHostsFile option to not complain. [GH-3511]
 
 PLUGIN AUTHOR CHANGES:
 

diff --git a/plugins/synced_folders/rsync/helper.rb b/plugins/synced_folders/rsync/helper.rb
@@ -57,7 +57,9 @@ def self.rsync_single(machine, ssh_info, opts)
         username = ssh_info[:username]
         host     = ssh_info[:host]
         rsh = [
-          "ssh -p #{ssh_info[:port]} -o StrictHostKeyChecking=no",
+          "ssh -p #{ssh_info[:port]} " +
+          "-o StrictHostKeyChecking=no " +
+          "-o UserKnownHostsFile=/dev/null",
           ssh_info[:private_key_path].map { |p| "-i '#{p}'" },
         ].flatten.join(" ")