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  • Committer: Adam Collard
  • Date: 2013-11-19 12:39:44 UTC
  • mto: This revision was merged to the branch mainline in revision 33.
  • Revision ID: adam.collard@canonical.com-20131119123944-vqv3t6323n6tsbqb
Move logic for ceph-client-relation-changed into hooks.py
 * Make it testable
 * Test it
 * Bump revision

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hooks/ceph-client-relation-changed
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#!/usr/bin/python
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import os
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import sys
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from subprocess import CalledProcessError
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from common import get_relation_config, chown, log
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from ceph import (
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    get_ceph_client_path, write_ceph_client_keyring, write_ceph_client_config)
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relation_config = get_relation_config()
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# The key is only reported once the ceph ring has quorum (there are enough
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# nodes in the service). There's nothing to do until the key is provided.
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if "key" not in relation_config:
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    log("Ceph key not reported in relation config, nothing to do.")
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    sys.exit(0)
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ceph_client_dir = get_ceph_client_path()
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if not os.path.exists(ceph_client_dir):
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    os.mkdir(ceph_client_dir)
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    chown(ceph_client_dir)
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# Create ceph client keyring and config for landscape-client use.
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try:
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    keyring_file = write_ceph_client_keyring(
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        "landscape-client", relation_config["key"])
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except CalledProcessError as err:
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    log("Writing ceph keyring file failed with code %d" % err.returncode)
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    sys.exit(1)
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try:
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    write_ceph_client_config(
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        relation_config["auth"], keyring_file,
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        relation_config["private-address"])
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    log("Ceph configuration written to file.")
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except IOError as err:
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    log("Writing ceph configuratin file failed: %s" % err)
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    sys.exit(1)