def __init__(self, password, environment_file='etc/environment.yml',
config_file='config.yml', debug=False, branch='euca-4.1',
cookbook_repo='https://github.com/eucalyptus/eucalyptus-cookbook', update_repo=True):
self.chef_repo_dir = 'chef-repo'
self.environment_file = environment_file
if debug:
self.hidden_outputs = []
else:
self.hidden_outputs = ['running', 'stdout', 'stderr']
self.role_builder = RoleBuilder(environment_file)
self.roles = self.role_builder.get_roles()
self.all_hosts = self.roles['all']
self._prepare_fs(cookbook_repo, branch, debug, update_repo)
self.environment_name = self._write_json_environment()
self.chef_manager = ChefManager(password, self.environment_name,
self.roles['all'])
self.config = self.get_chef_config(config_file)
def __init__(self, password, environment_file='etc/environment.yml',
config_file='config.yml', debug=False, branch='euca-4.1',
repo='https://github.com/eucalyptus/eucalyptus-cookbook'):
self.chef_repo_dir = 'chef-repo'
self.environment_file = environment_file
if debug:
self.hidden_outputs = []
else:
self.hidden_outputs = ['running', 'stdout', 'stderr']
self.role_builder = RoleBuilder(environment_file)
self.roles = self.role_builder.get_roles()
self.all_hosts = self.roles['all']
self._prepare_fs(repo, branch, debug)
self.environment_name = self._write_json_environment()
self.chef_manager = ChefManager(password, self.environment_name,
self.roles['all'])
self.config = self.get_chef_config(config_file)
def _prepare_fs(self, repo, branch, debug):
ChefManager.install_chef_dk()
ChefManager.create_chef_repo()
with hide(*self.hidden_outputs):
local('if [ ! -d eucalyptus-cookbook ]; then '
'git clone '
'{0} eucalyptus-cookbook;'
'fi'.format(repo))
local('cd eucalyptus-cookbook; git checkout {0};'.format(branch))
local('cd eucalyptus-cookbook; git pull;')
ChefManager.download_cookbooks('eucalyptus-cookbook/Berksfile',
os.path.join(self.chef_repo_dir +
'/cookbooks'),
debug=debug)
def _prepare_fs(self, cookbook_repo, branch, debug):
ChefManager.install_chef_dk()
ChefManager.create_chef_repo()
with hide(*self.hidden_outputs):
local('if [ ! -d eucalyptus-cookbook ]; then '
'git clone '
'{0} eucalyptus-cookbook;'
'fi'.format(cookbook_repo))
local('cd eucalyptus-cookbook; git checkout {0};'.format(branch))
local(
'cd eucalyptus-cookbook; git pull origin {0};'.format(branch))
ChefManager.download_cookbooks('eucalyptus-cookbook/Berksfile',
os.path.join(self.chef_repo_dir +
'/cookbooks'),
debug=debug)
def _prepare_fs(self, cookbook_repo, branch, debug, update_repo):
ChefManager.install_chef_dk()
ChefManager.create_chef_repo()
with hide(*self.hidden_outputs):
local(
"if [ ! -d eucalyptus-cookbook ]; then "
"git clone "
"{0} eucalyptus-cookbook;"
"fi".format(cookbook_repo)
)
if update_repo:
print green("updating eucalyptus-cookbook")
local("cd eucalyptus-cookbook; git checkout {0};".format(branch))
local("cd eucalyptus-cookbook; git pull origin {0};".format(branch))
ChefManager.download_cookbooks(
"eucalyptus-cookbook/Berksfile", os.path.join(self.chef_repo_dir + "/cookbooks"), debug=debug
)
def __init__(
self,
password,
environment_file="etc/environment.yml",
config_file="config.yml",
debug=False,
branch="euca-4.1",
cookbook_repo="https://github.com/eucalyptus/eucalyptus-cookbook",
update_repo=True,
):
self.chef_repo_dir = "chef-repo"
self.environment_file = environment_file
if debug:
self.hidden_outputs = []
else:
self.hidden_outputs = ["running", "stdout", "stderr"]
self.role_builder = RoleBuilder(environment_file)
self.roles = self.role_builder.get_roles()
self.all_hosts = self.roles["all"]
self._prepare_fs(cookbook_repo, branch, debug, update_repo)
self.environment_name = self._write_json_environment()
self.chef_manager = ChefManager(password, self.environment_name, self.roles["all"])
self.config = self.get_chef_config(config_file)
class Chef(DeployerPlugin):
def __init__(self, password, environment_file='etc/environment.yml',
config_file='config.yml', debug=False, branch='euca-4.1',
repo='https://github.com/eucalyptus/eucalyptus-cookbook'):
self.chef_repo_dir = 'chef-repo'
self.environment_file = environment_file
if debug:
self.hidden_outputs = []
else:
self.hidden_outputs = ['running', 'stdout', 'stderr']
self.role_builder = RoleBuilder(environment_file)
self.roles = self.role_builder.get_roles()
self.all_hosts = self.roles['all']
self._prepare_fs(repo, branch, debug)
self.environment_name = self._write_json_environment()
self.chef_manager = ChefManager(password, self.environment_name,
self.roles['all'])
self.config = self.get_chef_config(config_file)
def _prepare_fs(self, repo, branch, debug):
ChefManager.install_chef_dk()
ChefManager.create_chef_repo()
with hide(*self.hidden_outputs):
local('if [ ! -d eucalyptus-cookbook ]; then '
'git clone '
'{0} eucalyptus-cookbook;'
'fi'.format(repo))
local('cd eucalyptus-cookbook; git checkout {0};'.format(branch))
local('cd eucalyptus-cookbook; git pull;')
ChefManager.download_cookbooks('eucalyptus-cookbook/Berksfile',
os.path.join(self.chef_repo_dir +
'/cookbooks'),
debug=debug)
@staticmethod
def get_chef_config(config_file):
full_config = yaml.load(open(config_file).read())
if 'deployer' in full_config:
if 'chef' in full_config['deployer']:
return full_config['deployer']['chef']
else:
raise IndexError('Unable to find chef config in deployer section of config file')
else:
raise IndexError('Unable to find deployer section of config file')
def _get_recipe_list(self, component):
for recipe_dict in self.config['roles']:
if component in recipe_dict:
return recipe_dict[component]
raise ValueError('No component found for: ' + component)
def _write_json_environment(self):
environment_dict = yaml.load(open(self.environment_file).read())
current_environment = environment_dict['name']
environment_dir = self.chef_repo_dir + '/environments/'
filename = environment_dir + current_environment + '.json'
with open(filename, 'w') as env_json:
env_json.write(json.dumps(environment_dict, indent=4,
sort_keys=True, separators=(',', ': ')))
return current_environment
def _get_environment(self):
with open(self.chef_repo_dir + '/environments/' +
self.environment_name + '.json') as env_file:
return json.loads(env_file.read())
def _run_chef_on_hosts(self, hosts):
with hide(*self.hidden_outputs):
execute(self.chef_manager.push_deployment_data, hosts=hosts)
with warn_only():
results = execute(self.chef_manager.run_chef_client, hosts=hosts)
execute(self.chef_manager.pull_node_info, hosts=hosts)
return results
def prepare(self):
self.chef_manager.sync_ssh_key(self.all_hosts)
self.chef_manager.clear_run_list(self.all_hosts)
order = [self.chef_manager.push_deployment_data,
self.chef_manager.bootstrap_chef,
self.chef_manager.run_chef_client,
self.chef_manager.pull_node_info]
for method in order:
with hide(*self.hidden_outputs):
execute(method, hosts=self.all_hosts)
def bootstrap(self):
# Install CLC and Initialize DB
if self.roles['mon-bootstrap']:
mon_bootstrap = self.roles['mon-bootstrap']
self.chef_manager.clear_run_list(self.all_hosts)
self.chef_manager.add_to_run_list(mon_bootstrap, self._get_recipe_list('mon-bootstrap'))
self._run_chef_on_hosts(mon_bootstrap)
if self.roles['riak-head']:
riak_head = self.roles['riak-head']
self.chef_manager.clear_run_list(self.all_hosts)
self.chef_manager.add_to_run_list(riak_head, self._get_recipe_list('riak-head'))
self._run_chef_on_hosts(riak_head)
if self.roles['clc']:
self.chef_manager.clear_run_list(self.all_hosts)
clc = self.roles['clc']
self.chef_manager.add_to_run_list(clc, self._get_recipe_list('clc'))
self._run_chef_on_hosts(clc)
def provision(self):
# Install all other components and configure CLC
self.chef_manager.clear_run_list(self.all_hosts)
for role_dict in self.config['roles']:
component_name = role_dict.keys().pop()
self.chef_manager.add_to_run_list(self.roles[component_name],
self._get_recipe_list(component_name))
self._run_chef_on_hosts(self.all_hosts)
if self.roles['riak-head']:
riak_head = self.roles['riak-head']
self.chef_manager.add_to_run_list(riak_head, ['riakcs-cluster::plancommit', 'riakcs-cluster::mergecreds'])
self._run_chef_on_hosts(riak_head)
if self.roles['clc']:
clc = self.roles['clc']
self.chef_manager.add_to_run_list(clc, ['eucalyptus::configure'])
self._run_chef_on_hosts(clc)
if self.role_builder.get_euca_attributes()['network']['mode'] == 'VPCMIDO':
midonet_gw = self.roles['midonet-gw']
create_resources = 'midokura::create-first-resources'
self.chef_manager.add_to_run_list(midonet_gw, [create_resources])
self._run_chef_on_hosts(midonet_gw)
def uninstall(self):
self.chef_manager.clear_run_list(self.all_hosts)
if self.roles['clc']:
self.chef_manager.add_to_run_list(self.all_hosts, ['eucalyptus::nuke'])
if self.roles['riak-head']:
self.chef_manager.add_to_run_list(self.all_hosts, ['riakcs-cluster::nuke'])
self._run_chef_on_hosts(self.all_hosts)
self.chef_manager.clear_run_list(self.all_hosts)
class Chef(DeployerPlugin):
def __init__(
self,
password,
environment_file='etc/environment.yml',
config_file='config.yml',
debug=False,
branch='euca-4.1',
cookbook_repo='https://github.com/eucalyptus/eucalyptus-cookbook'):
self.chef_repo_dir = 'chef-repo'
self.environment_file = environment_file
if debug:
self.hidden_outputs = []
else:
self.hidden_outputs = ['running', 'stdout', 'stderr']
self.role_builder = RoleBuilder(environment_file)
self.roles = self.role_builder.get_roles()
self.all_hosts = self.roles['all']
self._prepare_fs(cookbook_repo, branch, debug)
self.environment_name = self._write_json_environment()
self.chef_manager = ChefManager(password, self.environment_name,
self.roles['all'])
self.config = self.get_chef_config(config_file)
def _prepare_fs(self, cookbook_repo, branch, debug):
ChefManager.install_chef_dk()
ChefManager.create_chef_repo()
with hide(*self.hidden_outputs):
local('if [ ! -d eucalyptus-cookbook ]; then '
'git clone '
'{0} eucalyptus-cookbook;'
'fi'.format(cookbook_repo))
local('cd eucalyptus-cookbook; git checkout {0};'.format(branch))
local(
'cd eucalyptus-cookbook; git pull origin {0};'.format(branch))
ChefManager.download_cookbooks('eucalyptus-cookbook/Berksfile',
os.path.join(self.chef_repo_dir +
'/cookbooks'),
debug=debug)
@staticmethod
def get_chef_config(config_file):
full_config = yaml.load(open(config_file).read())
if 'deployer' in full_config:
if 'chef' in full_config['deployer']:
return full_config['deployer']['chef']
else:
raise IndexError(
'Unable to find chef config in deployer section of config file'
)
else:
raise IndexError('Unable to find deployer section of config file')
def _get_recipe_list(self, component):
for recipe_dict in self.config['roles']:
if component in recipe_dict:
return recipe_dict[component]
raise ValueError('No component found for: ' + component)
def _write_json_environment(self):
environment_dict = yaml.load(open(self.environment_file).read())
current_environment = environment_dict['name']
environment_dir = self.chef_repo_dir + '/environments/'
filename = environment_dir + current_environment + '.json'
with open(filename, 'w') as env_json:
env_json.write(
json.dumps(environment_dict,
indent=4,
sort_keys=True,
separators=(',', ': ')))
return current_environment
def _get_environment(self):
with open(self.chef_repo_dir + '/environments/' +
self.environment_name + '.json') as env_file:
return json.loads(env_file.read())
def _run_chef_on_hosts(self, hosts):
with hide(*self.hidden_outputs):
execute(self.chef_manager.push_deployment_data, hosts=hosts)
with warn_only():
results = execute(self.chef_manager.run_chef_client, hosts=hosts)
failed = False
for machine, result in results.iteritems():
if result.succeeded:
print green('Success on host: ' + machine)
if result.failed:
failed = True
fail_log_name = 'calyptos-failure-' + machine + '.log'
print red('Chef Client failed on ' + machine +
' log available at ' + fail_log_name)
with open(fail_log_name, 'w') as file:
file.write(result.stdout)
if failed:
exit(1)
execute(self.chef_manager.pull_node_info, hosts=hosts)
return results
def prepare(self):
self.chef_manager.sync_ssh_key(self.all_hosts)
self.chef_manager.clear_run_list(self.all_hosts)
order = [
self.chef_manager.push_deployment_data,
self.chef_manager.bootstrap_chef,
self.chef_manager.run_chef_client, self.chef_manager.pull_node_info
]
for method in order:
with hide(*self.hidden_outputs):
execute(method, hosts=self.all_hosts)
def bootstrap(self):
# Install CLC and Initialize DB
if self.roles['mon-bootstrap']:
mon_bootstrap = self.roles['mon-bootstrap']
self.chef_manager.clear_run_list(self.all_hosts)
self.chef_manager.add_to_run_list(
mon_bootstrap, self._get_recipe_list('mon-bootstrap'))
self._run_chef_on_hosts(mon_bootstrap)
if self.roles['riak-head']:
riak_head = self.roles['riak-head']
self.chef_manager.clear_run_list(self.all_hosts)
self.chef_manager.add_to_run_list(
riak_head, self._get_recipe_list('riak-head'))
self._run_chef_on_hosts(riak_head)
if self.roles['midolman']:
midolman_hosts = self.roles['midolman']
self.chef_manager.add_to_run_list(midolman_hosts,
['midokura::midolman'])
self._run_chef_on_hosts(midolman_hosts)
if self.roles['clc']:
self.chef_manager.clear_run_list(self.all_hosts)
clc = self.roles['clc']
self.chef_manager.add_to_run_list(clc,
self._get_recipe_list('clc'))
self._run_chef_on_hosts(clc)
def provision(self):
# Install all other components and configure CLC
self.chef_manager.clear_run_list(self.all_hosts)
for role_dict in self.config['roles']:
component_name = role_dict.keys().pop()
self.chef_manager.add_to_run_list(
self.roles[component_name],
self._get_recipe_list(component_name))
self._run_chef_on_hosts(self.all_hosts)
if self.roles['riak-head']:
riak_head = self.roles['riak-head']
self.chef_manager.add_to_run_list(
riak_head,
['riakcs-cluster::plancommit', 'riakcs-cluster::mergecreds'])
self._run_chef_on_hosts(riak_head)
if self.roles['clc']:
clc = self.roles['clc']
self.chef_manager.add_to_run_list(clc, ['eucalyptus::configure'])
self._run_chef_on_hosts(clc)
if self.role_builder.get_euca_attributes(
)['network']['mode'] == 'VPCMIDO':
midonet_api = self.roles['midonet-api']
create_resources = 'midokura::create-first-resources'
self.chef_manager.add_to_run_list(midonet_api,
[create_resources])
self._run_chef_on_hosts(midonet_api)
def uninstall(self):
self.chef_manager.clear_run_list(self.all_hosts)
if self.roles['clc']:
self.chef_manager.add_to_run_list(self.all_hosts,
['eucalyptus::nuke'])
if self.roles['riak-head']:
self.chef_manager.add_to_run_list(self.all_hosts,
['riakcs-cluster::nuke'])
if self.roles['mon-bootstrap']:
self.chef_manager.add_to_run_list(self.all_hosts,
['ceph-cluster::nuke'])
if self.roles['haproxy']:
self.chef_manager.add_to_run_list(self.all_hosts,
['haproxy::nuke'])
self._run_chef_on_hosts(self.all_hosts)
local('rm -rf ./chef-repo/nodes/*')
class Chef(DeployerPlugin):
def __init__(self, password, environment_file='etc/environment.yml',
config_file='config.yml', debug=False, branch='euca-4.1',
cookbook_repo='https://github.com/eucalyptus/eucalyptus-cookbook', update_repo=True):
self.chef_repo_dir = 'chef-repo'
self.environment_file = environment_file
if debug:
self.hidden_outputs = []
else:
self.hidden_outputs = ['running', 'stdout', 'stderr']
self.role_builder = RoleBuilder(environment_file)
self.roles = self.role_builder.get_roles()
self.all_hosts = self.roles['all']
self._prepare_fs(cookbook_repo, branch, debug, update_repo)
self.environment_name = self._write_json_environment()
self.chef_manager = ChefManager(password, self.environment_name,
self.roles['all'])
self.config = self.get_chef_config(config_file)
def _prepare_fs(self, cookbook_repo, branch, debug, update_repo):
ChefManager.install_chef_dk()
ChefManager.create_chef_repo()
with hide(*self.hidden_outputs):
local('if [ ! -d eucalyptus-cookbook ]; then '
'git clone '
'{0} eucalyptus-cookbook;'
'fi'.format(cookbook_repo))
if update_repo:
print green('updating eucalyptus-cookbook')
local('cd eucalyptus-cookbook; git checkout {0};'.format(branch))
local('cd eucalyptus-cookbook; git pull origin {0};'.format(branch))
ChefManager.download_cookbooks('eucalyptus-cookbook/Berksfile',
os.path.join(self.chef_repo_dir +
'/cookbooks'),
debug=debug)
@staticmethod
def get_chef_config(config_file):
full_config = yaml.load(open(config_file).read())
if 'deployer' in full_config:
if 'chef' in full_config['deployer']:
return full_config['deployer']['chef']
else:
raise IndexError('Unable to find chef config in deployer section of config file')
else:
raise IndexError('Unable to find deployer section of config file')
def _get_recipe_list(self, component):
for recipe_dict in self.config['roles']:
if component in recipe_dict:
return recipe_dict[component]
raise ValueError('No component found for: ' + component)
def _write_json_environment(self):
environment_dict = yaml.load(open(self.environment_file).read())
current_environment = environment_dict['name']
environment_dir = self.chef_repo_dir + '/environments/'
filename = environment_dir + current_environment + '.json'
with open(filename, 'w') as env_json:
env_json.write(json.dumps(environment_dict, indent=4,
sort_keys=True, separators=(',', ': ')))
return current_environment
def _get_environment(self):
with open(self.chef_repo_dir + '/environments/' +
self.environment_name + '.json') as env_file:
return json.loads(env_file.read())
def _run_chef_on_hosts(self, hosts):
with hide(*self.hidden_outputs):
execute(self.chef_manager.push_deployment_data, hosts=hosts)
with warn_only():
results = execute(self.chef_manager.run_chef_client, hosts=hosts)
failed = False
for machine, result in results.iteritems():
if result.succeeded:
print green('Success on host: ' + machine)
if result.failed:
failed = True
fail_log_name = 'calyptos-failure-' + machine + '.log'
print red('Chef Client failed on ' + machine + ' log available at ' + fail_log_name)
with open(fail_log_name, 'w') as file:
file.write(result.stdout)
if failed:
exit(1)
execute(self.chef_manager.pull_node_info, hosts=hosts)
return results
def prepare(self):
self.chef_manager.sync_ssh_key(self.all_hosts)
self.chef_manager.clear_run_list(self.all_hosts)
order = [self.chef_manager.push_deployment_data,
self.chef_manager.bootstrap_chef,
self.chef_manager.run_chef_client,
self.chef_manager.pull_node_info]
for method in order:
with hide(*self.hidden_outputs):
execute(method, hosts=self.all_hosts)
print green('Prepare has completed successfully. Continue on to the bootstrap phase')
def bootstrap(self):
# Install CLC and Initialize DB
if self.roles['mon-bootstrap']:
mon_bootstrap = self.roles['mon-bootstrap']
self.chef_manager.clear_run_list(self.all_hosts)
self.chef_manager.add_to_run_list(mon_bootstrap, self._get_recipe_list('mon-bootstrap'))
self._run_chef_on_hosts(mon_bootstrap)
if self.roles['riak-head']:
riak_head = self.roles['riak-head']
self.chef_manager.clear_run_list(self.all_hosts)
self.chef_manager.add_to_run_list(riak_head, self._get_recipe_list('riak-head'))
self._run_chef_on_hosts(riak_head)
if self.roles['midolman']:
midolman_hosts = self.roles['midolman']
self.chef_manager.add_to_run_list(midolman_hosts, ['midokura::midolman'])
self._run_chef_on_hosts(midolman_hosts)
if self.roles['clc']:
self.chef_manager.clear_run_list(self.all_hosts)
clc = self.roles['clc']
self.chef_manager.add_to_run_list(clc, self._get_recipe_list('clc'))
self._run_chef_on_hosts(clc)
print green('Bootstrap has completed successfully. Continue on to the provision phase')
def _pre_provision_check(self):
clc_attributes = self.chef_manager.get_node_json(list(self.roles['clc'])[0])
clc_euca_attributes = clc_attributes['normal']['eucalyptus']
if 'cloud-keys' in clc_euca_attributes:
keys = ['cloud-cert.pem', 'cloud-pk.pem', 'euca.p12']
for key in keys:
if key not in clc_euca_attributes['cloud-keys']:
print red('Unable to find cloud keys {0} in CLC attributes'.format(clc_euca_attributes[key]))
print red('Re-run the bootstrap step and ensure that it is successful')
exit(1)
else:
print red('Unable to find cloud keys in CLC attributes')
print red('Re-run the bootstrap step and ensure that it is successful')
exit(1)
def provision(self):
self._pre_provision_check()
# Install all other components and configure CLC
self.chef_manager.clear_run_list(self.all_hosts)
for role_dict in self.config['roles']:
component_name = role_dict.keys().pop()
self.chef_manager.add_to_run_list(self.roles[component_name],
self._get_recipe_list(component_name))
self._run_chef_on_hosts(self.all_hosts)
if self.roles['riak-head']:
riak_head = self.roles['riak-head']
self.chef_manager.add_to_run_list(riak_head, ['riakcs-cluster::plancommit', 'riakcs-cluster::mergecreds'])
self._run_chef_on_hosts(riak_head)
if self.roles['clc']:
clc = self.roles['clc']
self.chef_manager.add_to_run_list(clc, ['eucalyptus::configure'])
self._run_chef_on_hosts(clc)
if self.role_builder.get_euca_attributes()['network']['mode'] == 'VPCMIDO':
midonet_api = self.roles['midonet-api']
create_resources = 'midokura::create-first-resources'
self.chef_manager.add_to_run_list(midonet_api, [create_resources])
self._run_chef_on_hosts(midonet_api)
print green('Provision has completed successfully. Your cloud is now configured and ready to use.')
def uninstall(self):
self.chef_manager.clear_run_list(self.all_hosts)
if self.roles['clc']:
self.chef_manager.add_to_run_list(self.all_hosts, ['eucalyptus::nuke'])
if self.roles['riak-head']:
self.chef_manager.add_to_run_list(self.all_hosts, ['riakcs-cluster::nuke'])
if self.roles['mon-bootstrap']:
self.chef_manager.add_to_run_list(self.all_hosts, ['ceph-cluster::nuke'])
if self.roles['haproxy']:
self.chef_manager.add_to_run_list(self.all_hosts, ['haproxy::nuke'])
self._run_chef_on_hosts(self.all_hosts)
with lcd('chef-repo'):
local('knife node bulk delete -z -E {0} -y ".*"'.format(self.environment_name))
print green('Uninstall has completed successfully. Your cloud is now torn down.')
class Chef(DeployerPlugin):
def __init__(
self,
password,
environment_file='etc/environment.yml',
config_file='config.yml',
debug=False,
branch='euca-4.1',
cookbook_repo='https://github.com/eucalyptus/eucalyptus-cookbook',
update_repo=True):
self.chef_repo_dir = 'chef-repo'
self.environment_file = environment_file
if debug:
self.hidden_outputs = []
else:
self.hidden_outputs = ['running', 'stdout', 'stderr']
self.role_builder = RoleBuilder(environment_file)
self.roles = self.role_builder.get_roles()
self.all_hosts = self.roles['all']
self._prepare_fs(cookbook_repo, branch, debug, update_repo)
self.environment_name = self._write_json_environment()
self.chef_manager = ChefManager(password, self.environment_name,
self.roles['all'])
self.config = self.get_chef_config(config_file)
def _prepare_fs(self, cookbook_repo, branch, debug, update_repo):
ChefManager.install_chef_dk()
ChefManager.create_chef_repo()
with hide(*self.hidden_outputs):
local('if [ ! -d eucalyptus-cookbook ]; then '
'git clone '
'{0} eucalyptus-cookbook;'
'fi'.format(cookbook_repo))
if update_repo:
print green('updating eucalyptus-cookbook')
local(
'cd eucalyptus-cookbook; git checkout {0};'.format(branch))
local('cd eucalyptus-cookbook; git pull origin {0};'.format(
branch))
ChefManager.download_cookbooks('eucalyptus-cookbook/Berksfile',
os.path.join(self.chef_repo_dir +
'/cookbooks'),
debug=debug)
# @staticmethod
def get_chef_config(self, config_file):
full_config = yaml.load(open(config_file).read())
if 'deployer' in full_config:
if 'chef' in full_config['deployer']:
chef_config = self.override_chef_config(
full_config['deployer']['chef'])
return chef_config
else:
raise IndexError(
'Unable to find chef config in deployer section of config file'
)
else:
raise IndexError('Unable to find deployer section of config file')
# TODO shaon - fix this
def override_chef_config(self, chef_config):
try:
exclude_recipes = self._get_environment(
)['default_attributes']['exclude-recipes']
for xr in exclude_recipes:
for role in chef_config['roles']:
for component in role:
if xr in role[component]:
role[component].remove(xr)
except:
pass
return chef_config
def _get_recipe_list(self, component):
for recipe_dict in self.config['roles']:
if component in recipe_dict:
return recipe_dict[component]
raise ValueError('No component found for: ' + component)
def _write_json_environment(self):
environment_dict = yaml.load(open(self.environment_file).read())
current_environment = environment_dict['name']
environment_dir = self.chef_repo_dir + '/environments/'
filename = environment_dir + current_environment + '.json'
with open(filename, 'w') as env_json:
env_json.write(
json.dumps(environment_dict,
indent=4,
sort_keys=True,
separators=(',', ': ')))
return current_environment
def _get_environment(self):
with open(self.chef_repo_dir + '/environments/' +
self.environment_name + '.json') as env_file:
return json.loads(env_file.read())
def _run_chef_on_hosts(self, hosts):
with hide(*self.hidden_outputs):
execute(self.chef_manager.push_deployment_data, hosts=hosts)
with warn_only():
results = execute(self.chef_manager.run_chef_client, hosts=hosts)
failed = False
for machine, result in results.iteritems():
if result.succeeded:
print green('Success on host: ' + machine)
if result.failed:
failed = True
fail_log_name = 'calyptos-failure-' + machine + '.log'
print red('Chef Client failed on ' + machine +
' log available at ' + fail_log_name)
with open(fail_log_name, 'w') as file:
file.write(result.stdout)
if failed:
exit(1)
execute(self.chef_manager.pull_node_info, hosts=hosts)
return results
def prepare(self):
self.chef_manager.sync_ssh_key(self.all_hosts)
self.chef_manager.clear_run_list(self.all_hosts)
order = [
self.chef_manager.push_deployment_data,
self.chef_manager.bootstrap_chef,
self.chef_manager.run_chef_client, self.chef_manager.pull_node_info
]
for method in order:
with hide(*self.hidden_outputs):
execute(method, hosts=self.all_hosts)
print green('Prepare has completed successfully. '
'Continue on to the provision phase')
def _pre_provision_check(self):
if self.roles['clc']:
clc_attributes = self.chef_manager.get_node_json(
list(self.roles['clc'])[0])
clc_euca_attributes = clc_attributes['normal']['eucalyptus']
if 'cloud-keys' in clc_euca_attributes:
keys = ['cloud-cert.pem', 'cloud-pk.pem', 'euca.p12']
for key in keys:
if key not in clc_euca_attributes['cloud-keys']:
print red(
'Unable to find cloud keys {0} in CLC attributes'.
format(clc_euca_attributes[key]))
print red('Re-run the prepare step and ensure that it '
'is successful')
exit(1)
else:
print red('Unable to find cloud keys in CLC attributes')
print red('Re-run the prepare step and ensure that it is '
'successful')
exit(1)
def provision(self):
# self._pre_provision_check()
for role_dict in self.config['roles']:
component_name = role_dict.keys().pop()
if self.roles.get(component_name):
self.chef_manager.add_to_run_list(
self.roles[component_name],
self._get_recipe_list(component_name))
self._run_chef_on_hosts(self.roles[component_name])
self.chef_manager.clear_run_list(self.roles[component_name])
print green('Provision has completed successfully on ' +
str(self.roles[component_name]) + ' ran roles: ' +
str(self._get_recipe_list(component_name)) + '.')
else:
print yellow('Found ' + component_name + ' in config, but no' +
' host for this role!')
print green('Provision has completed successfully. '
'Your cloud is now configured and ready to use.')
def uninstall(self):
self.chef_manager.clear_run_list(self.all_hosts)
if self.roles['clc']:
self.chef_manager.add_to_run_list(self.all_hosts,
['eucalyptus::nuke'])
if self.roles['riak-head']:
self.chef_manager.add_to_run_list(self.all_hosts,
['riakcs-cluster::nuke'])
if self.roles['ceph-mons']:
self.chef_manager.add_to_run_list(self.all_hosts,
['ceph-cluster::nuke'])
if self.roles['haproxy']:
self.chef_manager.add_to_run_list(self.all_hosts,
['haproxy::nuke'])
if self.roles['zookeeper']:
self.chef_manager.add_to_run_list(self.all_hosts,
['zookeeper::nuke'])
if self.roles['cassandra']:
self.chef_manager.add_to_run_list(self.all_hosts,
['cassandra::nuke'])
if self.roles['midonet-cluster']:
self.chef_manager.add_to_run_list(self.all_hosts,
['eucalyptus::midonet-nuke'])
if self.roles['midolman']:
self.chef_manager.add_to_run_list(self.all_hosts,
['eucalyptus::midolman-nuke'])
self._run_chef_on_hosts(self.all_hosts)
with lcd('chef-repo'):
local('knife node bulk delete -z -E {0} -y ".*"'.format(
self.environment_name))
execute(self.chef_manager.clear_node_info, hosts=self.all_hosts)
print green('Uninstall has completed successfully. '
'Your cloud is now torn down.')
class Chef(DeployerPlugin):
def __init__(self, password, environment_file='etc/environment.yml',
config_file='config.yml', debug=False, branch='euca-4.1',
cookbook_repo='https://github.com/eucalyptus/eucalyptus-cookbook', update_repo=True):
self.chef_repo_dir = 'chef-repo'
self.environment_file = environment_file
if debug:
self.hidden_outputs = []
else:
self.hidden_outputs = ['running', 'stdout', 'stderr']
self.role_builder = RoleBuilder(environment_file)
self.roles = self.role_builder.get_roles()
self.all_hosts = self.roles['all']
self._prepare_fs(cookbook_repo, branch, debug, update_repo)
self.environment_name = self._write_json_environment()
self.chef_manager = ChefManager(password, self.environment_name,
self.roles['all'])
self.config = self.get_chef_config(config_file)
def _prepare_fs(self, cookbook_repo, branch, debug, update_repo):
ChefManager.install_chef_dk()
ChefManager.create_chef_repo()
with hide(*self.hidden_outputs):
local('if [ ! -d eucalyptus-cookbook ]; then '
'git clone '
'{0} eucalyptus-cookbook;'
'fi'.format(cookbook_repo))
if update_repo:
print green('updating eucalyptus-cookbook')
local('cd eucalyptus-cookbook; git checkout {0};'.format(branch))
local('cd eucalyptus-cookbook; git pull origin {0};'.format(branch))
ChefManager.download_cookbooks('eucalyptus-cookbook/Berksfile',
os.path.join(self.chef_repo_dir +
'/cookbooks'),
debug=debug)
# @staticmethod
def get_chef_config(self, config_file):
full_config = yaml.load(open(config_file).read())
if 'deployer' in full_config:
if 'chef' in full_config['deployer']:
chef_config = self.override_chef_config(full_config['deployer']['chef'])
return chef_config
else:
raise IndexError('Unable to find chef config in deployer section of config file')
else:
raise IndexError('Unable to find deployer section of config file')
# TODO shaon - fix this
def override_chef_config(self, chef_config):
try:
exclude_recipes = self._get_environment()['default_attributes']['exclude-recipes']
for xr in exclude_recipes:
for role in chef_config['roles']:
for component in role:
if xr in role[component]:
role[component].remove(xr)
except:
pass
return chef_config
def _get_recipe_list(self, component):
for recipe_dict in self.config['roles']:
if component in recipe_dict:
return recipe_dict[component]
raise ValueError('No component found for: ' + component)
def _write_json_environment(self):
environment_dict = yaml.load(open(self.environment_file).read())
current_environment = environment_dict['name']
environment_dir = self.chef_repo_dir + '/environments/'
filename = environment_dir + current_environment + '.json'
with open(filename, 'w') as env_json:
env_json.write(json.dumps(environment_dict, indent=4,
sort_keys=True, separators=(',', ': ')))
return current_environment
def _get_environment(self):
with open(self.chef_repo_dir + '/environments/' +
self.environment_name + '.json') as env_file:
return json.loads(env_file.read())
def _run_chef_on_hosts(self, hosts):
with hide(*self.hidden_outputs):
execute(self.chef_manager.push_deployment_data, hosts=hosts)
with warn_only():
results = execute(self.chef_manager.run_chef_client, hosts=hosts)
failed = False
for machine, result in results.iteritems():
if result.succeeded:
print green('Success on host: ' + machine)
if result.failed:
failed = True
fail_log_name = 'calyptos-failure-' + machine + '.log'
print red('Chef Client failed on ' + machine + ' log available at ' + fail_log_name)
with open(fail_log_name, 'w') as file:
file.write(result.stdout)
if failed:
exit(1)
execute(self.chef_manager.pull_node_info, hosts=hosts)
return results
def prepare(self):
self.chef_manager.sync_ssh_key(self.all_hosts)
self.chef_manager.clear_run_list(self.all_hosts)
order = [self.chef_manager.push_deployment_data,
self.chef_manager.bootstrap_chef,
self.chef_manager.run_chef_client,
self.chef_manager.pull_node_info]
for method in order:
with hide(*self.hidden_outputs):
execute(method, hosts=self.all_hosts)
print green('Prepare has completed successfully. Continue on to the bootstrap phase')
def bootstrap(self):
# Install CLC and Initialize DB
if self.roles['ceph-mons']:
mon_bootstrap = self.roles['mon-bootstrap']
self.chef_manager.clear_run_list(self.all_hosts)
self.chef_manager.add_to_run_list(mon_bootstrap, self._get_recipe_list('mon-bootstrap'))
self._run_chef_on_hosts(mon_bootstrap)
if self.roles['riak-head']:
riak_head = self.roles['riak-head']
self.chef_manager.clear_run_list(self.all_hosts)
self.chef_manager.add_to_run_list(riak_head, self._get_recipe_list('riak-head'))
self._run_chef_on_hosts(riak_head)
if self.roles['mido-zookeeper'] and self.roles['mido-cassandra']:
mido_shared_zk_cass_hosts = self.roles['mido-zookeeper']
self.chef_manager.add_to_run_list(mido_shared_zk_cass_hosts, ['midokura::zookeeper'])
self.chef_manager.add_to_run_list(mido_shared_zk_cass_hosts, ['midokura::cassandra'])
self._run_chef_on_hosts(mido_shared_zk_cass_hosts)
elif self.roles['mido-zookeeper']:
mido_zookeeper_hosts = self.roles['mido-zookeeper']
self.chef_manager.add_to_run_list(mido_zookeeper_hosts, ['midokura::zookeeper'])
self._run_chef_on_hosts(mido_zookeeper_hosts)
elif self.roles['mido-cassandra']:
mido_cassandra_hosts = self.roles['mido-cassandra']
self.chef_manager.add_to_run_list(mido_cassandra_hosts, ['midokura::cassandra'])
self._run_chef_on_hosts(mido_cassandra_hosts)
if self.roles['clc']:
self.chef_manager.clear_run_list(self.all_hosts)
clc = self.roles['clc']
self.chef_manager.add_to_run_list(clc, self._get_recipe_list('clc'))
if self.role_builder.get_euca_attributes()['network']['mode'] == 'VPCMIDO':
# short term hack, midolman configuration must be complete on the clc
# before mn-conf can be run to communicate with a remote zookeeper,
# but I think we want to avoid running the midolman step below a
# second time on the clc, figure out how to remove the clc from that
# midolman_hosts list
self.chef_manager.add_to_run_list(clc, ['midokura::midolman'])
self.chef_manager.add_to_run_list(clc, ['midokura::midonet-api'])
self._run_chef_on_hosts(clc)
if self.roles['midolman']:
midolman_hosts = self.roles['midolman']
self.chef_manager.add_to_run_list(midolman_hosts,
['midokura::midolman'])
self._run_chef_on_hosts(midolman_hosts)
print green('Bootstrap has completed successfully. Continue on to the provision phase')
def _pre_provision_check(self):
if self.roles['ceph-mons']:
ceph_components = set()
for component_name in ['mon-bootstrap', 'ceph-mons', 'ceph-osds']:
self.chef_manager.add_to_run_list(self.roles[component_name],
self._get_recipe_list(component_name))
ceph_components.update(self.roles[component_name])
self._run_chef_on_hosts(ceph_components)
if self.roles['ceph-mons']:
mon_bootstrap = self.roles['mon-bootstrap']
self.chef_manager.add_to_run_list(mon_bootstrap, ['ceph-cluster::user'])
self._run_chef_on_hosts(mon_bootstrap)
if self.roles['clc']:
clc_attributes = self.chef_manager.get_node_json(list(self.roles['clc'])[0])
clc_euca_attributes = clc_attributes['normal']['eucalyptus']
if 'cloud-keys' in clc_euca_attributes:
keys = ['cloud-cert.pem', 'cloud-pk.pem', 'euca.p12']
for key in keys:
if key not in clc_euca_attributes['cloud-keys']:
print red('Unable to find cloud keys {0} in CLC attributes'.format(clc_euca_attributes[key]))
print red('Re-run the bootstrap step and ensure that it is successful')
exit(1)
else:
print red('Unable to find cloud keys in CLC attributes')
print red('Re-run the bootstrap step and ensure that it is successful')
exit(1)
def provision(self):
self._pre_provision_check()
# Install all other components and configure CLC
self.chef_manager.clear_run_list(self.all_hosts)
for role_dict in self.config['roles']:
component_name = role_dict.keys().pop()
self.chef_manager.add_to_run_list(self.roles[component_name],
self._get_recipe_list(component_name))
self._run_chef_on_hosts(self.all_hosts)
if self.roles['riak-head']:
riak_head = self.roles['riak-head']
self.chef_manager.add_to_run_list(riak_head, ['riakcs-cluster::mergecreds'])
self._run_chef_on_hosts(riak_head)
riak_nodes = self.roles['riak-node']
self.chef_manager.add_to_run_list(riak_nodes, ['riakcs-cluster::join'])
self._run_chef_on_hosts(riak_nodes)
if self.roles['clc']:
clc = self.roles['clc']
self.chef_manager.add_to_run_list(clc, ['eucalyptus::configure'])
if self.role_builder.get_euca_attributes()['network']['mode'] == 'VPCMIDO':
self.chef_manager.add_to_run_list(clc, ['midokura::create-first-resources'])
self._run_chef_on_hosts(clc)
if self.roles['clc']:
print cyan('Setting up admin credentials.')
clc = self.roles['clc']
self.chef_manager.clear_run_list(clc)
self.chef_manager.add_to_run_list(clc, ['eucalyptus::setupcreds'])
self._run_chef_on_hosts(clc)
print green('Provision has completed successfully. Your cloud is now configured and ready to use.')
def uninstall(self):
self.chef_manager.clear_run_list(self.all_hosts)
if self.roles['clc']:
self.chef_manager.add_to_run_list(self.all_hosts, ['eucalyptus::nuke'])
if self.roles['riak-head']:
self.chef_manager.add_to_run_list(self.all_hosts, ['riakcs-cluster::nuke'])
if self.roles['ceph-mons']:
self.chef_manager.add_to_run_list(self.all_hosts, ['ceph-cluster::nuke'])
if self.roles['haproxy']:
self.chef_manager.add_to_run_list(self.all_hosts, ['haproxy::nuke'])
if (self.roles['midolman'] or self.roles['mido-cassandra'] or
self.roles['mido-zookeeper'] or self.roles['midonet-api']):
self.chef_manager.add_to_run_list(self.all_hosts, ['midokura::nuke'])
self._run_chef_on_hosts(self.all_hosts)
with lcd('chef-repo'):
local('knife node bulk delete -z -E {0} -y ".*"'.format(self.environment_name))
execute(self.chef_manager.clear_node_info, hosts=self.all_hosts)
print green('Uninstall has completed successfully. Your cloud is now torn down.')
class Chef(DeployerPlugin):
def __init__(
self,
password,
environment_file="etc/environment.yml",
config_file="config.yml",
debug=False,
branch="euca-4.1",
cookbook_repo="https://github.com/eucalyptus/eucalyptus-cookbook",
update_repo=True,
):
self.chef_repo_dir = "chef-repo"
self.environment_file = environment_file
if debug:
self.hidden_outputs = []
else:
self.hidden_outputs = ["running", "stdout", "stderr"]
self.role_builder = RoleBuilder(environment_file)
self.roles = self.role_builder.get_roles()
self.all_hosts = self.roles["all"]
self._prepare_fs(cookbook_repo, branch, debug, update_repo)
self.environment_name = self._write_json_environment()
self.chef_manager = ChefManager(password, self.environment_name, self.roles["all"])
self.config = self.get_chef_config(config_file)
def _prepare_fs(self, cookbook_repo, branch, debug, update_repo):
ChefManager.install_chef_dk()
ChefManager.create_chef_repo()
with hide(*self.hidden_outputs):
local(
"if [ ! -d eucalyptus-cookbook ]; then "
"git clone "
"{0} eucalyptus-cookbook;"
"fi".format(cookbook_repo)
)
if update_repo:
print green("updating eucalyptus-cookbook")
local("cd eucalyptus-cookbook; git checkout {0};".format(branch))
local("cd eucalyptus-cookbook; git pull origin {0};".format(branch))
ChefManager.download_cookbooks(
"eucalyptus-cookbook/Berksfile", os.path.join(self.chef_repo_dir + "/cookbooks"), debug=debug
)
@staticmethod
def get_chef_config(config_file):
full_config = yaml.load(open(config_file).read())
if "deployer" in full_config:
if "chef" in full_config["deployer"]:
return full_config["deployer"]["chef"]
else:
raise IndexError("Unable to find chef config in deployer section of config file")
else:
raise IndexError("Unable to find deployer section of config file")
def _get_recipe_list(self, component):
for recipe_dict in self.config["roles"]:
if component in recipe_dict:
return recipe_dict[component]
raise ValueError("No component found for: " + component)
def _write_json_environment(self):
environment_dict = yaml.load(open(self.environment_file).read())
current_environment = environment_dict["name"]
environment_dir = self.chef_repo_dir + "/environments/"
filename = environment_dir + current_environment + ".json"
with open(filename, "w") as env_json:
env_json.write(json.dumps(environment_dict, indent=4, sort_keys=True, separators=(",", ": ")))
return current_environment
def _get_environment(self):
with open(self.chef_repo_dir + "/environments/" + self.environment_name + ".json") as env_file:
return json.loads(env_file.read())
def _run_chef_on_hosts(self, hosts):
with hide(*self.hidden_outputs):
execute(self.chef_manager.push_deployment_data, hosts=hosts)
with warn_only():
results = execute(self.chef_manager.run_chef_client, hosts=hosts)
failed = False
for machine, result in results.iteritems():
if result.succeeded:
print green("Success on host: " + machine)
if result.failed:
failed = True
fail_log_name = "calyptos-failure-" + machine + ".log"
print red("Chef Client failed on " + machine + " log available at " + fail_log_name)
with open(fail_log_name, "w") as file:
file.write(result.stdout)
if failed:
exit(1)
execute(self.chef_manager.pull_node_info, hosts=hosts)
return results
def prepare(self):
self.chef_manager.sync_ssh_key(self.all_hosts)
self.chef_manager.clear_run_list(self.all_hosts)
order = [
self.chef_manager.push_deployment_data,
self.chef_manager.bootstrap_chef,
self.chef_manager.run_chef_client,
self.chef_manager.pull_node_info,
]
for method in order:
with hide(*self.hidden_outputs):
execute(method, hosts=self.all_hosts)
print green("Prepare has completed successfully. Continue on to the bootstrap phase")
def bootstrap(self):
# Install CLC and Initialize DB
if self.roles["mon-bootstrap"]:
mon_bootstrap = self.roles["mon-bootstrap"]
self.chef_manager.clear_run_list(self.all_hosts)
self.chef_manager.add_to_run_list(mon_bootstrap, self._get_recipe_list("mon-bootstrap"))
self._run_chef_on_hosts(mon_bootstrap)
if self.roles["riak-head"]:
riak_head = self.roles["riak-head"]
self.chef_manager.clear_run_list(self.all_hosts)
self.chef_manager.add_to_run_list(riak_head, self._get_recipe_list("riak-head"))
self._run_chef_on_hosts(riak_head)
if self.roles["mido-zookeeper"]:
mido_zookeeper_hosts = self.roles["mido-zookeeper"]
self.chef_manager.add_to_run_list(mido_zookeeper_hosts, ["midokura::zookeeper"])
self._run_chef_on_hosts(mido_zookeeper_hosts)
if self.roles["mido-cassandra"]:
mido_cassandra_hosts = self.roles["mido-cassandra"]
self.chef_manager.add_to_run_list(mido_cassandra_hosts, ["midokura::cassandra"])
self._run_chef_on_hosts(mido_cassandra_hosts)
if self.roles["midolman"]:
midolman_hosts = self.roles["midolman"]
self.chef_manager.add_to_run_list(midolman_hosts, ["midokura::midolman"])
self._run_chef_on_hosts(midolman_hosts)
if self.roles["clc"]:
self.chef_manager.clear_run_list(self.all_hosts)
clc = self.roles["clc"]
self.chef_manager.add_to_run_list(clc, self._get_recipe_list("clc"))
self._run_chef_on_hosts(clc)
print green("Bootstrap has completed successfully. Continue on to the provision phase")
def _pre_provision_check(self):
if self.roles["clc"]:
clc_attributes = self.chef_manager.get_node_json(list(self.roles["clc"])[0])
clc_euca_attributes = clc_attributes["normal"]["eucalyptus"]
if "cloud-keys" in clc_euca_attributes:
keys = ["cloud-cert.pem", "cloud-pk.pem", "euca.p12"]
for key in keys:
if key not in clc_euca_attributes["cloud-keys"]:
print red("Unable to find cloud keys {0} in CLC attributes".format(clc_euca_attributes[key]))
print red("Re-run the bootstrap step and ensure that it is successful")
exit(1)
else:
print red("Unable to find cloud keys in CLC attributes")
print red("Re-run the bootstrap step and ensure that it is successful")
exit(1)
def provision(self):
self._pre_provision_check()
# Install all other components and configure CLC
self.chef_manager.clear_run_list(self.all_hosts)
for role_dict in self.config["roles"]:
component_name = role_dict.keys().pop()
self.chef_manager.add_to_run_list(self.roles[component_name], self._get_recipe_list(component_name))
self._run_chef_on_hosts(self.all_hosts)
if self.roles["riak-head"]:
riak_head = self.roles["riak-head"]
self.chef_manager.add_to_run_list(riak_head, ["riakcs-cluster::plancommit", "riakcs-cluster::mergecreds"])
self._run_chef_on_hosts(riak_head)
if self.roles["clc"]:
clc = self.roles["clc"]
self.chef_manager.add_to_run_list(clc, ["eucalyptus::configure"])
self._run_chef_on_hosts(clc)
if self.role_builder.get_euca_attributes()["network"]["mode"] == "VPCMIDO":
midonet_api = self.roles["midonet-api"]
create_resources = "midokura::create-first-resources"
self.chef_manager.add_to_run_list(midonet_api, [create_resources])
self._run_chef_on_hosts(midonet_api)
print green("Provision has completed successfully. Your cloud is now configured and ready to use.")
def uninstall(self):
self.chef_manager.clear_run_list(self.all_hosts)
if self.roles["clc"]:
self.chef_manager.add_to_run_list(self.all_hosts, ["eucalyptus::nuke"])
if self.roles["riak-head"]:
self.chef_manager.add_to_run_list(self.all_hosts, ["riakcs-cluster::nuke"])
if self.roles["mon-bootstrap"]:
self.chef_manager.add_to_run_list(self.all_hosts, ["ceph-cluster::nuke"])
if self.roles["haproxy"]:
self.chef_manager.add_to_run_list(self.all_hosts, ["haproxy::nuke"])
self._run_chef_on_hosts(self.all_hosts)
with lcd("chef-repo"):
local('knife node bulk delete -z -E {0} -y ".*"'.format(self.environment_name))
print green("Uninstall has completed successfully. Your cloud is now torn down.")