def __init__(self, agentConfig):
self.client = None
self.agentConfig = agentConfig
self.settings = self._extract_settings(agentConfig)
self.client = self.get_client()
self.sd_template_dir = agentConfig.get('sd_template_dir')
self.auto_conf_images = get_auto_conf_images(agentConfig)
def __init__(self, agentConfig):
self.client = None
self.agentConfig = agentConfig
self.settings = self._extract_settings(agentConfig)
self.client = self.get_client()
self.sd_template_dir = agentConfig.get('sd_template_dir')
self.auto_conf_images = get_auto_conf_images(agentConfig)
def __init__(self, agentConfig):
self.client = None
self.agentConfig = agentConfig
self.settings = self._extract_settings(agentConfig)
self.client = self.get_client()
self.sd_template_dir = agentConfig.get('sd_template_dir')
self.auto_conf_images = get_auto_conf_images()
# this cache is used to determine which check to
# reload based on the image linked to a docker event
#
# it is invalidated entirely when a change is detected in the config store
self.template_cache = _TemplateCache(self.client_read, self.sd_template_dir)
def __init__(self, agentConfig):
self.client = None
self.agentConfig = agentConfig
self.settings = self._extract_settings(agentConfig)
self.client = self.get_client()
self.sd_template_dir = agentConfig.get('sd_template_dir')
self.auto_conf_images = get_auto_conf_images()
# this cache is used to determine which check to
# reload based on the image linked to a docker event
#
# it is invalidated entirely when a change is detected in the config store
self.template_cache = _TemplateCache(self.client_read,
self.sd_template_dir)
def __init__(self, agentConfig):
self.client = None
self.agentConfig = agentConfig
self.settings = self._extract_settings(agentConfig)
self.client = self.get_client()
self.sd_template_dir = agentConfig.get('sd_template_dir')
self.auto_conf_images = get_auto_conf_images(agentConfig)
# cache used by dockerutil to determine which check to reload based on the image linked to an event
#
# it is invalidated entirely when a change is detected in the kv store
#
# this is a defaultdict(set) and some calls to it rely on this property
# so if you're planning on changing that, track its references
#
# TODO Haissam: this should be fleshed out a bit more and used as a cache instead
# of querying the kv store for each template
self.identifier_to_checks = self._populate_identifier_to_checks()
def __init__(self, agentConfig):
self.client = None
self.agentConfig = agentConfig
self.settings = self._extract_settings(agentConfig)
self.client = self.get_client()
self.sd_template_dir = agentConfig.get('sd_template_dir')
self.auto_conf_images = get_auto_conf_images(agentConfig)
# cache used by dockerutil to determine which check to reload based on the image linked to an event
#
# it is invalidated entirely when a change is detected in the kv store
#
# this is a defaultdict(set) and some calls to it rely on this property
# so if you're planning on changing that, track its references
#
# TODO Haissam: this should be fleshed out a bit more and used as a cache instead
# of querying the kv store for each template
self.identifier_to_checks = self._populate_identifier_to_checks()
def _populate_auto_conf(self):
"""Retrieve auto_conf templates"""
raw_templates = get_auto_conf_images(full_tpl=True)
for image, tpls in raw_templates.iteritems():
for check_name, init_tpl, instance_tpl in zip(*tpls):
if image in self.auto_conf_templates:
if check_name in self.auto_conf_templates[image][0]:
log.warning("Conflicting templates in auto_conf for image %s and check %s. "
"Please check your template files." % (image, check_name))
continue
self.auto_conf_templates[image][0].append(check_name)
self.auto_conf_templates[image][1].append(init_tpl)
self.auto_conf_templates[image][2].append(instance_tpl)
else:
self.auto_conf_templates[image][0] = [check_name]
self.auto_conf_templates[image][1] = [init_tpl or {}]
# no list wrapping because auto_conf files already have a list of instances
self.auto_conf_templates[image][2] = instance_tpl or [{}]
def _populate_auto_conf(self):
"""Retrieve auto_conf templates"""
raw_templates = get_auto_conf_images(full_tpl=True)
for image, tpls in raw_templates.iteritems():
for check_name, init_tpl, instance_tpl in zip(*tpls):
if image in self.auto_conf_templates:
if check_name in self.auto_conf_templates[image][0]:
log.warning(
"Conflicting templates in auto_conf for image %s and check %s. "
"Please check your template files." %
(image, check_name))
continue
self.auto_conf_templates[image][0].append(check_name)
self.auto_conf_templates[image][1].append(init_tpl)
self.auto_conf_templates[image][2].append(instance_tpl)
else:
self.auto_conf_templates[image][0] = [check_name]
self.auto_conf_templates[image][1] = [init_tpl or {}]
# no list wrapping because auto_conf files already have a list of instances
self.auto_conf_templates[image][2] = instance_tpl or [{}]
def _populate_identifier_to_checks(self):
"""Populate the identifier_to_checks cache with templates pulled
from the config store and from the auto-config folder"""
identifier_to_checks = defaultdict(set)
# config store templates
try:
templates = self.client_read(self.sd_template_dir.lstrip('/'), all=True)
except (NotImplementedError, TimeoutError, AttributeError):
templates = []
for tpl in templates:
split_tpl = tpl[0].split('/')
ident, var = split_tpl[-2], split_tpl[-1]
if var == CHECK_NAMES:
identifier_to_checks[ident].update(set(json.loads(tpl[1])))
# auto-config templates
templates = get_auto_conf_images(self.agentConfig)
for image, check in templates.iteritems():
identifier_to_checks[image].add(check)
return identifier_to_checks
def _populate_identifier_to_checks(self):
"""Populate the identifier_to_checks cache with templates pulled
from the config store and from the auto-config folder"""
identifier_to_checks = defaultdict(set)
# config store templates
try:
templates = self.client_read(self.sd_template_dir.lstrip('/'), all=True)
except (NotImplementedError, TimeoutError, AttributeError):
templates = []
for tpl in templates:
split_tpl = tpl[0].split('/')
ident, var = split_tpl[-2], split_tpl[-1]
if var == CHECK_NAMES:
identifier_to_checks[ident].update(set(json.loads(tpl[1])))
# auto-config templates
templates = get_auto_conf_images(self.agentConfig)
for image, check in templates.iteritems():
identifier_to_checks[image].add(check)
return identifier_to_checks