Files
anvil/devstack/Glance.py

136 lines
4.9 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import json
import os.path
import Logger
from Component import (PythonUninstallComponent,
PythonInstallComponent,
PythonRuntime)
from Util import (GLANCE,
get_host_ip, param_replace)
from Shell import (deldir, mkdirslist, unlink,
joinpths, touch_file)
LOG = Logger.getLogger("install.glance")
#naming + config files
TYPE = GLANCE
API_CONF = "glance-api.conf"
REG_CONF = "glance-registry.conf"
CONFIGS = [API_CONF, REG_CONF]
DB_NAME = "glance"
#what to start
APP_OPTIONS = {
'glance-api': ['--config-file', joinpths('%ROOT%', "etc", API_CONF)],
'glance-registry': ['--config-file', joinpths('%ROOT%', "etc", REG_CONF)]
}
CONFIG_ACTUAL_DIR = 'etc'
class GlanceUninstaller(PythonUninstallComponent):
def __init__(self, *args, **kargs):
PythonUninstallComponent.__init__(self, TYPE, *args, **kargs)
self.cfgdir = joinpths(self.appdir, CONFIG_ACTUAL_DIR)
class GlanceRuntime(PythonRuntime):
def __init__(self, *args, **kargs):
PythonRuntime.__init__(self, TYPE, *args, **kargs)
self.cfgdir = joinpths(self.appdir, CONFIG_ACTUAL_DIR)
def _get_apps_to_start(self):
return sorted(APP_OPTIONS.keys())
def _get_app_options(self, app):
return APP_OPTIONS.get(app)
class GlanceInstaller(PythonInstallComponent):
def __init__(self, *args, **kargs):
PythonInstallComponent.__init__(self, TYPE, *args, **kargs)
self.gitloc = self.cfg.get("git", "glance_repo")
self.brch = self.cfg.get("git", "glance_branch")
self.cfgdir = joinpths(self.appdir, CONFIG_ACTUAL_DIR)
def _get_download_location(self):
#where we get glance from
return (self.gitloc, self.brch)
def _get_config_files(self):
#these are the config files we will be adjusting
return list(CONFIGS)
def _config_adjust(self, contents, fn):
lines = contents.splitlines()
for line in lines:
cleaned = line.strip()
if(len(cleaned) == 0 or cleaned[0] == '#' or cleaned[0] == '['):
#not useful to examine these
continue
pieces = cleaned.split("=", 1)
if(len(pieces) != 2):
continue
key = pieces[0].strip()
val = pieces[1].strip()
if(len(key) == 0 or len(val) == 0):
continue
#now we take special actions
if(key == 'filesystem_store_datadir'):
#delete existing images
deldir(val)
#recreate the image directory
dirsmade = mkdirslist(val)
self.tracewriter.dir_made(*dirsmade)
elif(key == 'log_file'):
#ensure that we can write to the log file
dirname = os.path.dirname(val)
if(len(dirname)):
dirsmade = mkdirslist(dirname)
#this trace is used to remove the dirs created
self.tracewriter.dir_made(*dirsmade)
#destroy then recreate it (the log file)
unlink(val)
touch_file(val)
self.tracewriter.file_touched(val)
elif(key == 'image_cache_datadir'):
#destroy then recreate the image cache directory
deldir(val)
dirsmade = mkdirslist(val)
#this trace is used to remove the dirs created
self.tracewriter.dir_made(*dirsmade)
elif(key == 'scrubber_datadir'):
#destroy then recreate the scrubber data directory
deldir(val)
dirsmade = mkdirslist(val)
#this trace is used to remove the dirs created
self.tracewriter.dir_made(*dirsmade)
return contents
def _get_param_map(self, fn=None):
#this dict will be used to fill in the configuration
#params with actual values
mp = dict()
mp['DEST'] = self.appdir
mp['SYSLOG'] = self.cfg.getboolean("default", "syslog")
mp['SERVICE_TOKEN'] = self.cfg.getpw("passwords", "service_token")
mp['SQL_CONN'] = self.cfg.get_dbdsn(DB_NAME)
hostip = get_host_ip(self.cfg)
mp['SERVICE_HOST'] = hostip
mp['HOST_IP'] = hostip
return mp