From ecde5f7699759af952e0e0f5320f54f0c955ada2 Mon Sep 17 00:00:00 2001
From: James Page <james.page@canonical.com>
Date: Mon, 8 Oct 2012 15:06:09 +0100
Subject: [PATCH] Added support for remote OSD services

---
 hooks/hooks.py            | 28 +++++++++++++++++++++++++++-
 hooks/osd-relation-joined |  1 +
 hooks/utils.py            |  8 +++++++-
 metadata.yaml             |  7 +++++++
 revision                  |  2 +-
 5 files changed, 43 insertions(+), 3 deletions(-)
 create mode 120000 hooks/osd-relation-joined

diff --git a/hooks/hooks.py b/hooks/hooks.py
index 4148c5d..423b493 100755
--- a/hooks/hooks.py
+++ b/hooks/hooks.py
@@ -12,7 +12,6 @@ import glob
 import os
 import subprocess
 import shutil
-import socket
 import sys
 
 import ceph
@@ -147,6 +146,8 @@ def mon_relation():
             osdize(dev)
         subprocess.call(['udevadm', 'trigger',
                          '--subsystem-match=block', '--action=add'])
+
+        notify_osds()
     else:
         utils.juju_log('INFO',
                        'Not enough mons ({}), punting.'.format(
@@ -155,6 +156,30 @@ def mon_relation():
     utils.juju_log('INFO', 'End mon-relation hook.')
 
 
+def notify_osds():
+    utils.juju_log('INFO', 'Begin notify_osds.')
+
+    for relid in utils.relation_ids('osd'):
+        utils.relation_set(fsid=utils.config_get('fsid'),
+                           rid=relid)
+
+    utils.juju_log('INFO', 'End notify_osds.')
+
+
+def osd_relation():
+    utils.juju_log('INFO', 'Begin osd-relation hook.')
+
+    if ceph.is_quorum():
+        utils.juju_log('INFO',
+                       'mon cluster in quorum - providing OSD with fsid')
+        utils.relation_set(fsid=utils.config_get('fsid'))
+    else:
+        utils.juju_log('INFO',
+                       'mon cluster not in quorum - deferring fsid provision')
+
+    utils.juju_log('INFO', 'End osd-relation hook.')
+
+
 def upgrade_charm():
     utils.juju_log('INFO', 'Begin upgrade-charm hook.')
     emit_cephconf()
@@ -175,6 +200,7 @@ utils.do_hooks({
         'install': install,
         'mon-relation-departed': mon_relation,
         'mon-relation-joined': mon_relation,
+        'osd-relation-joined': osd_relation,
         'start': start,
         'upgrade-charm': upgrade_charm,
         })
diff --git a/hooks/osd-relation-joined b/hooks/osd-relation-joined
new file mode 120000
index 0000000..9416ca6
--- /dev/null
+++ b/hooks/osd-relation-joined
@@ -0,0 +1 @@
+hooks.py
\ No newline at end of file
diff --git a/hooks/utils.py b/hooks/utils.py
index 64c578e..7e2da93 100644
--- a/hooks/utils.py
+++ b/hooks/utils.py
@@ -129,8 +129,14 @@ def relation_set(**kwargs):
     cmd = [
         'relation-set'
         ]
+    args = []
     for k, v in kwargs.items():
-        cmd.append('{}={}'.format(k, v))
+        if k == 'rid':
+            cmd.append('-r')
+            cmd.append(v)
+        else:
+            args.append('{}={}'.format(k, v))
+    cmd += args
     subprocess.check_call(cmd)
 
 
diff --git a/metadata.yaml b/metadata.yaml
index 6a36343..3f0147d 100644
--- a/metadata.yaml
+++ b/metadata.yaml
@@ -8,3 +8,10 @@ description: |
 peers:
   mon:
     interface: ceph-brolin
+provides:
+  client:
+    interface: ceph-client
+  osd:
+    interface: ceph-osd
+  radosgw:
+    interface: ceph-radosgw
diff --git a/revision b/revision
index b5489e5..39f5b69 100644
--- a/revision
+++ b/revision
@@ -1 +1 @@
-69
+71