def get_cluster_template(self,
template_name,
tag_name=None,
ec2_conn=None):
"""
Returns Cluster instance configured with the settings in the
config file.
template_name is the name of a cluster section defined in the config
tag_name if not specified will be set to template_name
"""
try:
kwargs = {}
tag_name = tag_name or template_name
kwargs.update(dict(cluster_tag=tag_name))
kwargs.update(self.clusters[template_name])
plugs = kwargs.get('plugins')
kwargs['plugins'] = deathrow._load_plugins(plugs,
debug=DEBUG_CONFIG)
if not ec2_conn:
ec2_conn = self.get_easy_ec2()
clust = Cluster(ec2_conn, **kwargs)
return clust
except KeyError:
raise exception.ClusterTemplateDoesNotExist(template_name)
def get_default_cluster_template(self):
"""
Returns the default_template specified in the [global] section
of the config. Raises NoDefaultTemplateFound if no default cluster
template has been specified in the config.
"""
default = self.globals.get('default_template')
if not default:
raise exception.NoDefaultTemplateFound(
options=self.clusters.keys())
if default not in self.clusters:
raise exception.ClusterTemplateDoesNotExist(default)
return default
def get_default_cluster_template(self):
"""
Returns the cluster template with "DEFAULT=True" in the config
If more than one found, raises MultipleDefaultTemplates exception.
If no cluster template has "DEFAULT=True", raises
NoDefaultTemplateFound exception.
"""
default = self.globals.get('default_template')
if not default:
raise exception.NoDefaultTemplateFound(
options=self.clusters.keys())
if not default in self.clusters:
raise exception.ClusterTemplateDoesNotExist(default)
return default
def get_cluster_template(self, template_name, tag_name=None,
ec2_conn=None):
"""
Returns Cluster instance configured with the settings in the
config file.
template_name is the name of a cluster section defined in the config
tag_name, if specified, will be passed to Cluster instance
as cluster_tag
"""
try:
kwargs = {}
if tag_name:
kwargs.update(dict(cluster_tag=tag_name))
kwargs.update(self.clusters[template_name])
if not ec2_conn:
ec2_conn = self.get_easy_ec2()
clust = Cluster(ec2_conn, **kwargs)
return clust
except KeyError:
raise exception.ClusterTemplateDoesNotExist(template_name)
def get_cluster_template(self,
template_name,
tag_name=None,
ec2_conn=None,
load_plugins=True):
"""
Returns Cluster instance configured with the settings in the
config file.
template_name is the name of a cluster section defined in the config
tag_name if not specified will be set to template_name
"""
try:
kwargs = {}
tag_name = tag_name or template_name
kwargs.update(dict(cluster_tag=tag_name))
kwargs.update(self.clusters[template_name])
plugs = kwargs.get('plugins')
plugins_order = []
for p in plugs:
plugins_order.append(p["setup_class"].split(".")[-1])
kwargs['plugins_order'] = plugins_order
if load_plugins:
kwargs['plugins'] = deathrow._load_plugins(plugs,
debug=DEBUG_CONFIG)
else:
kwargs['plugins'] = []
if not ec2_conn:
ec2_conn = self.get_easy_ec2()
del kwargs['__name__']
del kwargs['extends']
clust = Cluster(ec2_conn, **kwargs)
return clust
except KeyError:
raise exception.ClusterTemplateDoesNotExist(template_name)