def environment_definitions(directory=None, env_name="Ignored", property_file=None, noop=False):
logger.debug("Using property file %s" % property_file)
if not env_name:
raise StandardError("env_name is a required field")
return _definition_from_yaml(directory, "environment_definitions.yaml",
partial(environment_definitions_from_yaml, service_definitions=service_defs_from_dir(directory),
env_name=env_name, noop=noop, all_credentials=_credentials_from_path(directory)), property_file)
def _bootstrap_puppet(self):
puppet_status = self.node.run_command("dpkg-query -W -f='${Status} ${Version}\n' puppet", warn_only=True)
if "installed" in puppet_status:
logger.debug("Puppet already bootstrapped")
else:
logger.debug("Bootstrapping puppet")
self.node.run_command('sudo apt-get update && sudo apt-get install puppet -y')
def _definition_from_yaml(def_directory, filename, from_yaml_func, property_file=None):
conf_path = _conf_file_from_dir(def_directory, filename)
config_file = open(conf_path,'r')
try:
properties_from_file = _properties_from_file(property_file)
logger.debug("Loading properties %s" % properties_from_file)
templated_yaml = pystache.render(config_file.read(), properties_from_file)
logger.debug("Post templated YAML %s" % templated_yaml)
return from_yaml_func(templated_yaml)
finally:
config_file.close()
def wait_for_ready(self, callback, start_up_timeout=90):
logger.info("Waiting for node %s to be ready" % self.id())
start = time.time()
node_is_up = False
while time.time() - start <= start_up_timeout :
self.boto_instance.update()
if self.state() == 'running' and self.boto_instance.ip_address is not None:
node_is_up = self.connection_provider.connected_to_node(self.boto_instance.ip_address, 22)
if node_is_up :
logger.info("*********Node %s is ready!********" % self.id())
break
else:
logger.debug("Waiting for 5 seconds for node %s" % self.id())
sleep(5)
if not node_is_up :
raise Exception("Node %s is not running" % self.id())
# For some reason, with the Ubuntu instances we use, if we try and install packages too quickly after the machine
# boots, we don't get the transient dependencies - highly annoying.
sleep(10)
callback()
def launch(self):
node_defs_to_provision, services_to_already_launched_nodes, running_nodes_to_terminate = self.delta_defs_with_running_nodes(
self.node_definitions)
# AWS Problems:
# 1. Shutting down instances in a different environment
# 2. Not matching existing instances
# TODO - Should log gracefully during lifecycle events....
logger.info("Shutting down instances %s" % [n.id() for n in running_nodes_to_terminate])
logger.info("Launching new instances %s" % node_defs_to_provision)
services_to_newly_launched_nodes = self._provision_nodes(node_defs_to_provision, blocking=True)
map(lambda n: self.node_provider.shutdown(n.id()), running_nodes_to_terminate)
services_to_all_running_nodes = self.merge_service_to_nodes_dicts(services_to_already_launched_nodes,
services_to_newly_launched_nodes)
self.tag_nodes_with_services(services_to_all_running_nodes)
env_settings = self.build_environment_settings(services_to_all_running_nodes)
logger.debug("settings: %s" % env_settings)
self.configure_services(services_to_all_running_nodes, env_settings)
def run_command(self, command, warn_only=False):
with settings(warn_only = warn_only):
with self._running_node():
logger.debug("Running on node %s with user %s and key %s" % \
(self._dns_name(), self._admin_user(), self._path_to_private_key()))
return run(command)
def _upload_artifacts(self):
logger.debug('Uploading artifacts')
tar_file = self.service_definition.bundle("puppet_module_directory", "%s_puppet_bundle.tgz" % self.service_definition.name)
self.node.upload_file(tar_file, "/tmp")
remote_tarfile_path = "/tmp/%s" % os.path.basename(tar_file)
self.node.run_command('tar xvfz %s' % remote_tarfile_path)
