def remove_config(args, plugin_names):
"""Parse all configuration removing any configuration built by plugins in plugin_names
Note there is no concept of overwrite for removal.
:param args: specified arguments
:param plugin_names: A list of the plugin names to remove from the config
:return: True if changes, false otherwise
"""
changes = False
existing_config_files = glob(os.path.join(args.config_dir, 'conf.d', '*.yaml'))
for file_path in existing_config_files:
deletes = False
plugin_name = os.path.splitext(os.path.basename(file_path))[0]
config = agent_config.read_plugin_config_from_disk(args.config_dir, plugin_name)
new_instances = [] # To avoid odd issues from iterating over a list you delete from build a new instead
for i in range(len(config['instances'])):
inst = config['instances'][i]
if 'built_by' in inst and inst['built_by'] in plugin_names:
changes = True
deletes = True
continue
new_instances.append(inst)
config['instances'] = new_instances
if deletes:
if args.dry_run:
log.info("Changes would be made to the config file {0}".format(file_path))
else:
if len(config['instances']) == 0:
log.info("Removing configuration file {0} it is no longer needed.".format(file_path))
os.remove(file_path)
else:
log.info("Saving changes to configuration file {0}.".format(file_path))
agent_config.save_plugin_config(args.config_dir, plugin_name, args.user, config)
return changes
def modify_config(args, detected_config):
changes = False
# Compare existing and detected config for each check plugin and write out the plugin config if changes
for key, value in detected_config.iteritems():
if args.overwrite:
changes = True
if args.dry_run:
continue
else:
agent_config.save_plugin_config(args.config_dir, key,
args.user, value)
else:
old_config = agent_config.read_plugin_config_from_disk(
args.config_dir, key)
# merge old and new config, new has precedence
if old_config is not None:
agent_config.merge_by_name(value['instances'],
old_config['instances'])
# Sort before compare, if instances have no name the sort will fail making order changes significant
try:
value['instances'].sort(key=lambda k: k['name'])
old_config['instances'].sort(key=lambda k: k['name'])
except Exception:
pass
if value == old_config: # Don't write config if no change
continue
changes = True
if args.dry_run:
log.info(
"Changes would be made to the config file for the {0} check plugin"
.format(key))
else:
agent_config.save_plugin_config(args.config_dir, key,
args.user, value)
return changes
def modify_config(args, detected_config):
changes = False
# Compare existing and detected config for each check plugin and write out the plugin config if changes
for key, value in detected_config.iteritems():
if args.overwrite:
changes = True
if args.dry_run:
continue
else:
agent_config.save_plugin_config(args.config_dir, key, args.user, value)
else:
old_config = agent_config.read_plugin_config_from_disk(args.config_dir, key)
# merge old and new config, new has precedence
if old_config is not None:
agent_config.merge_by_name(value['instances'], old_config['instances'])
# Sort before compare, if instances have no name the sort will fail making order changes significant
try:
value['instances'].sort(key=lambda k: k['name'])
old_config['instances'].sort(key=lambda k: k['name'])
except Exception:
pass
if value == old_config: # Don't write config if no change
continue
changes = True
if args.dry_run:
log.info("Changes would be made to the config file for the {0} check plugin".format(key))
else:
agent_config.save_plugin_config(args.config_dir, key, args.user, value)
return changes
def modify_config(args, detected_config):
"""Compare existing and detected config for each check plugin and write out
the plugin config if there are changes
"""
modified_config = False
for detection_plugin_name, new_config in detected_config.items():
if args.overwrite:
modified_config = True
if args.dry_run:
continue
else:
agent_config.save_plugin_config(args.config_dir, detection_plugin_name, args.user, new_config)
else:
config = agent_config.read_plugin_config_from_disk(args.config_dir, detection_plugin_name)
# merge old and new config, new has precedence
if config is not None:
# For HttpCheck, if the new input url has the same host and
# port but a different protocol comparing with one of the
# existing instances in http_check.yaml, we want to keep the
# existing http check instance and replace the url with the
# new protocol. If name in this instance is the same as the
# url, we replace name with new url too.
# For more details please see:
# monasca-agent/docs/DeveloperDocs/agent_internals.md
if detection_plugin_name == "http_check":
# Save old http_check urls from config for later comparison
config_urls = [i['url'] for i in config['instances'] if
'url' in i]
# Check endpoint change, use new protocol instead
# Note: config is possibly changed after running
# check_endpoint_changes function.
config = agent_config.check_endpoint_changes(new_config, config)
agent_config.merge_by_name(new_config['instances'], config['instances'])
# Sort before compare, if instances have no name the sort will
# fail making order changes significant
try:
new_config['instances'].sort(key=lambda k: k['name'])
config['instances'].sort(key=lambda k: k['name'])
except Exception:
pass
if detection_plugin_name == "http_check":
new_config_urls = [i['url'] for i in new_config['instances'] if 'url' in i]
# Don't write config if no change
if new_config_urls == config_urls and new_config == config:
continue
else:
if new_config == config:
continue
modified_config = True
if args.dry_run:
log.info("Changes would be made to the config file for the {0}"
" check plugin".format(detection_plugin_name))
else:
agent_config.save_plugin_config(args.config_dir, detection_plugin_name, args.user, new_config)
return modified_config
def modify_config(args, detected_config):
"""Compare existing and detected config for each check plugin and write out
the plugin config if there are changes
"""
modified_config = False
for detection_plugin_name, new_config in detected_config.iteritems():
if args.overwrite:
modified_config = True
if args.dry_run:
continue
else:
agent_config.save_plugin_config(args.config_dir, detection_plugin_name, args.user, new_config)
else:
config = agent_config.read_plugin_config_from_disk(args.config_dir, detection_plugin_name)
# merge old and new config, new has precedence
if config is not None:
# For HttpCheck, if the new input url has the same host and
# port but a different protocol comparing with one of the
# existing instances in http_check.yaml, we want to keep the
# existing http check instance and replace the url with the
# new protocol. If name in this instance is the same as the
# url, we replace name with new url too.
# For more details please see:
# monasca-agent/docs/DeveloperDocs/agent_internals.md
if detection_plugin_name == "http_check":
# Save old http_check urls from config for later comparison
config_urls = [i['url'] for i in config['instances'] if
'url' in i]
# Check endpoint change, use new protocol instead
# Note: config is possibly changed after running
# check_endpoint_changes function.
config = agent_config.check_endpoint_changes(new_config, config)
agent_config.merge_by_name(new_config['instances'], config['instances'])
# Sort before compare, if instances have no name the sort will
# fail making order changes significant
try:
new_config['instances'].sort(key=lambda k: k['name'])
config['instances'].sort(key=lambda k: k['name'])
except Exception:
pass
if detection_plugin_name == "http_check":
new_config_urls = [i['url'] for i in new_config['instances'] if 'url' in i]
# Don't write config if no change
if new_config_urls == config_urls and new_config == config:
continue
else:
if new_config == config:
continue
modified_config = True
if args.dry_run:
log.info("Changes would be made to the config file for the {0}"
" check plugin".format(detection_plugin_name))
else:
agent_config.save_plugin_config(args.config_dir, detection_plugin_name, args.user, new_config)
return modified_config