upstart: support mds

Closes: #2414
Signed-off-by: Tommi Virtanen <tv@inktank.com>

2 files changed, 44 insertions, 0 deletions

diff --git a/src/upstart/ceph-mds-all.conf b/src/upstart/ceph-mds-all.conf
new file mode 100644
index 00000000000..776d31118c2
--- /dev/null
+++ b/src/upstart/ceph-mds-all.conf
@@ -0,0 +1,26 @@
+description "Ceph MDS (start all instances)"
+
+start on filesystem
+
+task
+
+script
+  set -e
+  # TODO what's the valid charset for cluster names and mds ids?
+  find /var/lib/ceph/mds/ -mindepth 1 -maxdepth 1 -regextype posix-egrep -regex '.*/[a-z0-9]+-[a-z0-9]+' -printf '%P\n' \
+  | while read f; do
+    if [ -e "/var/lib/ceph/mds/$f/done" ]; then
+        cluster="${f%%-*}"
+        id="${f#*-}"
+
+	# upstart start(8) fails if the job is already running
+	# https://bugs.launchpad.net/upstart/+bug/878322
+
+	# also cannot ask for status of instance that isn't running at
+	# that time, so just list all and filter that
+	if initctl list|mawk '$1=="ceph-mds" && $2=="(" CLUSTER "/" INSTANCE ")" && $3~/start\// { exit 1 }' CLUSTER="$cluster" INSTANCE="$id"; then
+	  start ceph-mds cluster="$cluster" id="$id"
+	fi
+    fi
+  done
+end script
diff --git a/src/upstart/ceph-mds.conf b/src/upstart/ceph-mds.conf
new file mode 100644
index 00000000000..2438a975b07
--- /dev/null
+++ b/src/upstart/ceph-mds.conf
@@ -0,0 +1,18 @@
+description "Ceph MDS"
+
+stop on runlevel [!2345]
+
+respawn
+respawn limit 5 30
+
+pre-start script
+    set -e
+    test -x /usr/bin/ceph-mds || { stop; exit 0; }
+    test -d "/var/lib/ceph/mds/${cluster:-ceph}-$id" || { stop; exit 0; }
+
+    install -d -m0755 /var/run/ceph
+end script
+
+instance ${cluster:-ceph}/$id
+
+exec /usr/bin/ceph-mds --cluster="${cluster:-ceph}" -i "$id" -f