ceph-crash: ping cluster with key on startup

This is mostly pointless, *except* that after a key rotation it ensures
that the new key is used immediately (and the pending_key is committed by
the mon).

Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/src/ceph-crash.in b/src/ceph-crash.in
index ae0e4f516464fd4d63a96d497cfe3d7545f89eda..08284fc9ebc7790e9c2e582d88143671af763e5d 100755 (executable)
--- a/src/ceph-crash.in
+++ b/src/ceph-crash.in
@@ -101,6 +101,10 @@ def main():
         log.error("directory %s does not exist; please create" % postdir)
         time.sleep(30)
 
+    log.info("pinging cluster to exercise our key")
+    pr = subprocess.Popen(args=['timeout', '30', 'ceph', '-s'])
+    pr.wait()
+
     log.info("monitoring path %s, delay %ds" % (args.path, args.delay * 60.0))
     while True:
         scrape_path(args.path)