def provision(self, num_master=-1, num_worker=-1):
""" Create and apply terraform plan"""
if num_master > -1 or num_worker > -1:
print("Overriding number of nodes")
if num_master > -1:
self.conf.master.count = num_master
print(" Masters:{} ".format(num_master))
if num_worker > -1:
self.conf.worker.count = num_worker
print(" Workers:{} ".format(num_worker))
print("Init terraform")
self._check_tf_deployed()
self.utils.setup_ssh()
init_cmd = "terraform init"
if self.conf.terraform.plugin_dir:
print("Installing plugins from {}".format(
self.conf.terraform.plugin_dir))
init_cmd = init_cmd + " -plugin-dir=" + self.conf.terraform.plugin_dir
self._runshellcommandterraform(init_cmd)
self._runshellcommandterraform("terraform version")
self._generate_tfvars_file()
plan_cmd = ("{env_setup};"
" terraform plan "
" -out {workspace}/tfout".format(
env_setup=self._env_setup_cmd(),
workspace=self.conf.workspace))
apply_cmd = ("{env_setup};"
"terraform apply -auto-approve {workspace}/tfout".format(
env_setup=self._env_setup_cmd(),
workspace=self.conf.workspace))
# TODO: define the number of retries as a configuration parameter
for retry in range(1, 5):
print(
Format.alert(
"Run terraform plan - execution # {}".format(retry)))
self._runshellcommandterraform(plan_cmd)
print(
Format.alert(
"Run terraform apply - execution # {}".format(retry)))
try:
self._runshellcommandterraform(apply_cmd)
break
except Exception:
print("Failed terraform apply n. %d" % retry)
if retry == 4:
print(
Format.alert("Failed Openstack Terraform deployment"))
raise
finally:
self._fetch_terraform_output()
def read_directory_entries(self, file):
while True:
node_type = Format.read_int(file)
if node_type is None:
raise StopIteration
node_name = Format.read_string(file)
node_digest = file.read(Digest.dataDigestSize())
node_level = IntegerEncodings.binary_read_int_varlen(file)
node_stat = unserialize_stats(file)
try:
node_name_decoded = unicode(node_name, 'utf8')
yield (node_type, node_name_decoded, node_stat, node_digest, node_level)
except:
logging.info("Encountered bad file name in " + self.path())
def __init__(self, conf):
super().__init__(conf, 'vmware')
if not os.path.isfile(conf.vmware.env_file):
msg = (
f'Your VMware env file path "{conf.vmware.env_file}" does not exist.\n\t '
'Check the VMware env file path in your configured yaml file.')
raise ValueError(Format.alert(msg))
def __init__(self, conf):
super().__init__(conf, 'openstack')
if not os.path.isfile(conf.openstack.openrc):
raise ValueError(
Format.alert(
f"Your openrc file path \"{conf.openstack.openrc}\" does not exist.\n\t "
"Check your openrc file path in a configured yaml file"))
def __init__(self, conf):
super().__init__(conf, 'openstack')
if not os.path.isfile(conf.openstack.openrc):
raise ValueError(
Format.alert(
f"Your openrc file path \"{conf.openstack.openrc}\" does not exist.\n\t "
"Check your openrc file path in a configured yaml file"))
self.platform_new_vars = {}
if not self.conf.terraform.internal_net:
self.conf.terraform.internal_net = self.conf.terraform.stack_name
def write(self, ctx):
"""
Write the info of the current dir to database
"""
packer = PackerStream.PackerOStream(self.backup, Container.CODE_DIR)
# sorting is an optimization to make everybody access files in the same
# order.
# TODO: measure if this really makes things faster
# (probably will with a btree db)
for child in self.children:
Format.write_int(packer, child.get_type())
Format.write_string(packer, child.get_name().encode('utf8'))
packer.write(child.get_digest())
packer.write(IntegerEncodings.binary_encode_int_varlen(child.get_level()))
stats_str = serialize_stats(child.get_stats())
packer.write(stats_str)
self.digest = packer.get_digest()
self.level = packer.get_level()
return (packer.get_num_new_blocks(), packer.get_size_new_blocks())
def _runshellcommandterraform(self, cmd, env={}):
"""Running terraform command in {terraform.tfdir}/{platform}"""
cwd = self.tfdir
# Terraform needs PATH and SSH_AUTH_SOCK
sock_fn = self.utils.ssh_sock_fn()
env["SSH_AUTH_SOCK"] = sock_fn
env["PATH"] = os.environ['PATH']
print(Format.alert("$ {} > {}".format(cwd, cmd)))
subprocess.check_call(cmd, cwd=cwd, shell=True, env=env)
def cleanup(self):
""" Clean up """
cleanup_failure = False
try:
self._cleanup_platform()
except Exception as ex:
cleanup_failure = True
print(Format.alert("Received the following error {}".format(ex)))
print("Attempting to finish cleanup")
dirs = [os.path.join(self.conf.workspace, "tfout"), self.tfjson_path]
for tmp_dir in dirs:
try:
self.utils.runshellcommand("rm -rf {}".format(tmp_dir))
except Exception as ex:
cleanup_failure = True
print("Received the following error {}".format(ex))
print("Attempting to finish cleanup")
if cleanup_failure:
raise Exception(Format.alert("Failure(s) during cleanup"))
def get_platform(conf, platform):
if platform.lower() == "openstack":
platform = Openstack(conf)
elif platform.lower() == "vmware":
platform = VMware(conf)
elif platform.lower() == "bare-metal":
# TODO platform = Bare_metal(conf, utils)
print("Todo: bare-metal is not available")
sys.exit(0)
elif platform.lower() == "libvirt":
# TODO platform = Livbirt(conf, utils)
print("Todo: libvirt is not available")
sys.exit(0)
else:
raise Exception(
Format.alert(
"Platform Error: {} is not applicable".format(platform)))
return platform
def unserialize_stats(file):
stats = {}
for mode in STAT_PRESERVED_MODES:
stats[mode] = Format.read_int(file)
return stats
def serialize_stats(stats):
file = StringIO.StringIO()
for mode in STAT_PRESERVED_MODES:
Format.write_int(file, stats[mode])
return file.getvalue()
def _verify_tf_dependency(self):
if not os.path.exists(self.tfjson_path):
raise Exception(Format.alert("tf file not found. Please run terraform and try again{}"))
def _check_tf_deployed(self):
if os.path.exists(self.tfjson_path):
raise Exception(Format.alert(f"tf file found. Please run cleanup and try again {self.tfjson_path}"))
