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import os
from subprocess import check_output
from common import LandscapeBroker, chown
CEPH_CLIENT_DIR = "ceph-client"
CEPH_CLIENT_KEYRING = "ceph.landscape-client.keyring"
CEPH_CLIENT_CONF = "ceph.landscape-client.conf"
CONF_TEMPLATE = """
[global]
auth supported = %(auth)s
keyring = %(keyring)s
mon host = %(mon-host)s
"""
def get_ceph_client_path(landscape_broker):
"""Return the path for ceph client conf and keyring."""
return os.path.join(landscape_broker.config.data_path, CEPH_CLIENT_DIR)
def write_ceph_client_keyring(landscape_broker, name, key):
"""Creates a ceph client keyring with the specified name and key.
@param name: name of the key
@param key: the key to include in the keyring
"""
keyring_file = os.path.join(
get_ceph_client_path(landscape_broker), CEPH_CLIENT_KEYRING)
check_output(
["ceph-authtool", keyring_file, "--create-keyring",
"--name=client.%s" % name, "--add-key=%s" % key])
chown(keyring_file)
return keyring_file
def write_ceph_client_config(landscape_broker, auth, keyring, mon_address):
"""Write ceph client configuration file.
@param auth: authentication type
@param keyring: absolute path of the keyring file
@param mon_address: address of the ceph monitor
"""
ceph_client_conf = os.path.join(
get_ceph_client_path(landscape_broker), CEPH_CLIENT_CONF)
with open(ceph_client_conf, "w") as file:
file.write(
CONF_TEMPLATE % {
"auth": auth,
"keyring": keyring,
"mon-host": "%s:6789" % mon_address})
chown(ceph_client_conf)
return ceph_client_conf
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