166 lines
6.5 KiB
Python
166 lines
6.5 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import io
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import json
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import os.path
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from devstack import cfg
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from devstack import component as comp
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from devstack import constants
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from devstack import exceptions as excp
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from devstack import log as logging
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from devstack import shell as sh
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from devstack import utils
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from devstack.components import db
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LOG = logging.getLogger("devstack.components.glance")
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#naming + config files
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TYPE = constants.GLANCE
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API_CONF = "glance-api.conf"
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REG_CONF = "glance-registry.conf"
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CONFIGS = [API_CONF, REG_CONF]
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DB_NAME = "glance"
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CFG_SECTION = 'DEFAULT'
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#what to start
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APP_OPTIONS = {
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'glance-api': ['--config-file', sh.joinpths('%ROOT%', "etc", API_CONF)],
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'glance-registry': ['--config-file', sh.joinpths('%ROOT%', "etc", REG_CONF)]
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}
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CONFIG_ACTUAL_DIR = 'etc'
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BIN_DIR = 'bin'
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class GlanceUninstaller(comp.PythonUninstallComponent):
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def __init__(self, *args, **kargs):
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comp.PythonUninstallComponent.__init__(self, TYPE, *args, **kargs)
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self.cfgdir = sh.joinpths(self.appdir, CONFIG_ACTUAL_DIR)
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class GlanceRuntime(comp.PythonRuntime):
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def __init__(self, *args, **kargs):
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comp.PythonRuntime.__init__(self, TYPE, *args, **kargs)
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self.cfgdir = sh.joinpths(self.appdir, CONFIG_ACTUAL_DIR)
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def _get_apps_to_start(self):
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apps = list()
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for app_name in APP_OPTIONS.keys():
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apps.append({
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'name': app_name,
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'path': sh.joinpths(self.appdir, BIN_DIR, app_name),
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})
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return apps
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def _get_app_options(self, app):
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return APP_OPTIONS.get(app)
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class GlanceInstaller(comp.PythonInstallComponent):
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def __init__(self, *args, **kargs):
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comp.PythonInstallComponent.__init__(self, TYPE, *args, **kargs)
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self.git_loc = self.cfg.get("git", "glance_repo")
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self.git_branch = self.cfg.get("git", "glance_branch")
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self.cfgdir = sh.joinpths(self.appdir, CONFIG_ACTUAL_DIR)
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def _get_download_locations(self):
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places = comp.PythonInstallComponent._get_download_locations(self)
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places.append({
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'uri': self.git_loc,
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'branch': self.git_branch,
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})
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return places
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def _get_config_files(self):
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#these are the config files we will be adjusting
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return list(CONFIGS)
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def post_install(self):
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parent_result = comp.PythonInstallComponent.post_install(self)
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self._setup_db()
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return parent_result
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def _setup_db(self):
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db.drop_db(self.cfg, DB_NAME)
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db.create_db(self.cfg, DB_NAME)
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def _config_adjust(self, contents, name):
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if(name not in CONFIGS):
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return contents
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#use config parser and
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#then extract known configs that
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#will need locations/directories/files made (or touched)...
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with io.BytesIO(contents) as stream:
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config = cfg.IgnoreMissingConfigParser()
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config.readfp(stream)
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if(config.getboolean('image_cache_enabled', CFG_SECTION)):
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cache_dir = config.get("image_cache_datadir", CFG_SECTION)
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if(cache_dir):
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LOG.info("Ensuring image cache data directory %s exists (and is empty)" % (cache_dir))
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#destroy then recreate the image cache directory
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deldir(cache_dir)
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dirsmade = mkdirslist(cache_dir)
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#this trace is used to remove the dirs created
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self.tracewriter.dir_made(*dirsmade)
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if(config.get('default_store', CFG_SECTION) == 'file'):
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file_dir = config.get('filesystem_store_datadir', CFG_SECTION)
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if(file_dir):
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LOG.info("Ensuring file system store directory %s exists and is empty" % (file_dir))
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#delete existing images
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deldir(file_dir)
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#recreate the image directory
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dirsmade = mkdirslist(file_dir)
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#this trace is used to remove the dirs created
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self.tracewriter.dir_made(*dirsmade)
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log_filename = config.get('log_file', CFG_SECTION)
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if(log_filename):
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LOG.info("Ensuring log file %s exists and is empty" % (log_filename))
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log_dir = os.path.dirname(log_filename)
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if(log_dir):
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LOG.info("Ensuring log directory %s exists" % (log_dir))
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dirsmade = mkdirslist(log_dir)
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#this trace is used to remove the dirs created
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self.tracewriter.dir_made(*dirsmade)
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#destroy then recreate it (the log file)
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unlink(log_filename)
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touch_file(log_filename)
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self.tracewriter.file_touched(log_filename)
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if(config.getboolean('delayed_delete', CFG_SECTION)):
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data_dir = config.get('scrubber_datadir', CFG_SECTION)
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if(data_dir):
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LOG.info("Ensuring scrubber data dir %s exists and is empty" % (data_dir))
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#destroy then recreate the scrubber data directory
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deldir(data_dir)
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dirsmade = mkdirslist(data_dir)
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#this trace is used to remove the dirs created
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self.tracewriter.dir_made(*dirsmade)
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#we might need to handle more in the future...
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#nothing modified so just return the original
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return contents
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def _get_param_map(self, config_fn):
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#this dict will be used to fill in the configuration
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#params with actual values
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mp = dict()
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mp['DEST'] = self.appdir
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mp['SYSLOG'] = self.cfg.getboolean("default", "syslog")
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mp['SERVICE_TOKEN'] = self.cfg.getpw("passwords", "service_token")
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mp['SQL_CONN'] = self.cfg.get_dbdsn(DB_NAME)
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hostip = utils.get_host_ip(self.cfg)
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mp['SERVICE_HOST'] = hostip
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mp['HOST_IP'] = hostip
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return mp
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