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#!/usr/bin/env python
"""Assess proper functionality of juju add-credential."""
from __future__ import print_function
import argparse
import logging
import sys
import os
import yaml
import pexpect
import shutil
from deploy_stack import (
BootstrapManager,
)
from utility import (
configure_logging,
add_basic_testing_arguments,
JujuAssertionError,
temp_dir,
)
__metaclass__ = type
log = logging.getLogger("assess_add_credentials")
cloud_city = os.environ.get('JUJU_HOME')
def assess_add_credentials(args):
"""Tests if juju's add-credentials command works as expected.
Adds credentials from our real source to our juju client and tests if
that client can bootstrap.
:param client: Client object used in bootstrap check
:param args: Test arguments
"""
if 'vmaas' in args.env:
env = 'maas'
elif 'gce' in args.env:
env = 'google'
else:
env = args.env.split('parallel-')[1]
# Grab the credentials from cloud-city
cred = get_credentials(env)
# Fix the keypath to reflect local username
key_path = cred['credentials'].get('private-key-path')
if key_path:
cred['credentials']['private-key-path'] = os.path.join(
cloud_city, '{}-key'.format(env))
verify_add_credentials(args, env, cred)
verify_credentials_match(env, cred)
verify_bootstrap(args)
log.info('SUCCESS')
def verify_add_credentials(args, env, cred):
"""Adds the supplied credential to juju with 'juju add-credential'.
:param args: Testing arguments
:param env: String environment name
:param cred: Dict of credential information
"""
testing_variations = {
'aws': add_aws,
'google': add_gce,
'rackspace': add_rackspace,
'maas': add_maas,
'joyent': add_joyent,
'azure': add_azure
}
log.info("Adding {} credential from /cloud-city/credentials.yaml "
"into testing instance".format(args.env))
with pexpect.spawn('juju add-credential {}'.format(env)) as child:
try:
testing_variations[env](child, env, cred)
except pexpect.TIMEOUT:
log.error('Buffer: {}'.format(child.buffer))
log.error('Before: {}'.format(child.before))
raise Exception(
'Registering user failed: pexpect session timed out')
def get_credentials(env):
"""Gets the stored test credentials.
:return: Dict of credential information
"""
with open(os.path.join(cloud_city, 'credentials.yaml')) as f:
creds_dict = yaml.load(f)
cred = creds_dict['credentials'][env]
return cred
def verify_bootstrap(args):
"""Verify the client can bootstrap with the newly added credentials
:param args: Testing arguments
"""
env_file = os.path.join(
os.environ['HOME'], 'cloud-city', 'environments.yaml')
shutil.copy(env_file, os.environ['JUJU_DATA'])
bs_manager = BootstrapManager.from_args(args)
with bs_manager.booted_context(args.upload_tools):
log.info('Bootstrap successfull, tearing down client')
def verify_credentials_match(env, cred):
"""Verify the credentials entered match the stored credentials.
:param env: String environment name
:param cred: Dict of credential information
"""
with open(os.path.join(os.environ['JUJU_DATA'], 'credentials.yaml')) as f:
test_creds = yaml.load(f)
test_creds = test_creds['credentials'][env][env]
if not test_creds == cred['credentials']:
error = 'Credential miss-match after manual add'
raise JujuAssertionError(error)
def end_session(session):
"""Convenience function to check a pexpect session has properly closed.
"""
session.expect(pexpect.EOF)
session.close()
if session.exitstatus != 0:
log.error('Buffer: {}'.format(session.buffer))
log.error('Before: {}'.format(session.before))
raise Exception('pexpect process exited with {}'.format(
session.exitstatus))
def add_aws(child, env, cred):
"""Adds credentials for AWS to test client using real credentials.
:param child: pexpect.spawn object of the juju add-credential command
:param env: String environment name
:param cred: Dict of credential information
"""
access_key = cred['credentials']['access-key']
secret_key = cred['credentials']['secret-key']
child.expect('Enter credential name:')
child.sendline(env)
child.expect('Enter access-key:')
child.sendline(access_key)
child.expect('Enter secret-key:')
child.sendline(secret_key)
end_session(child)
log.info('Added AWS credential')
def add_gce(child, env, cred):
"""Adds credentials for GCE to test client using real credentials.
:param child: pexpect.spawn object of the juju add-credential command
:param env: String environment name
:param cred: Dict of credential information
"""
auth_type = cred['credentials']['auth-type']
project_id = cred['credentials']['project-id']
private_key = cred['credentials']['private-key']
client_email = cred['credentials']['client-email']
client_id = cred['credentials']['client-id']
child.expect('Enter credential name:')
child.sendline(env)
child.expect('Select auth-type:')
child.sendline(auth_type)
child.expect('Enter client-id:')
child.sendline(client_id)
child.expect('Enter client-email:')
child.sendline(client_email)
child.expect('Enter private-key:')
child.send(private_key)
child.sendline('')
child.expect('Enter project-id:')
child.sendline(project_id)
end_session(child)
log.info('Added GCE credential')
def add_rackspace(child, env, cred):
"""Adds credentials for Rackspace to test client using real credentials.
:param child: pexpect.spawn object of the juju add-credential command
:param env: String environment name
:param cred: Dict of credential information
"""
username = cred['credentials']['username']
password = cred['credentials']['password']
tenant_name = cred['credentials']['tenant-name']
child.expect('Enter credential name:')
child.sendline(env)
child.expect('Enter username:')
child.sendline(username)
child.expect('Enter password:')
child.sendline(password)
child.expect('Enter tenant-name:')
child.sendline(tenant_name)
end_session(child)
log.info('Added Rackspace credential')
def add_maas(child, env, cred):
"""Adds credentials for MaaS to test client using real credentials.
:param child: pexpect.spawn object of the juju add-credential command
:param env: String environment name
:param cred: Dict of credential information
"""
maas_oauth = cred['credentials']['maas-oauth']
child.expect('Enter credential name:')
child.sendline(env)
child.expect('Enter maas-oauth:')
child.sendline(maas_oauth)
end_session(child)
log.info('Added MaaS credential')
def add_joyent(child, env, cred):
"""Adds credentials for Joyent to test client using real credentials.
:param child: pexpect.spawn object of the juju add-credential command
:param env: String environment name
:param cred: Dict of credential information
"""
algorithm = cred['credentials']['algorithm']
sdc_user = cred['credentials']['sdc-user']
sdc_key_id = cred['credentials']['sdc-key-id']
private_key_path = os.path.join(
os.environ['HOME'], 'cloud-city', 'joyent-key')
child.expect('Enter credential name:')
child.sendline(env)
child.expect('Enter sdc-user:')
child.sendline(sdc_user)
child.expect('Enter sdc-key-id:')
child.sendline(sdc_key_id)
child.expect('Enter private-key-path:')
child.sendline(private_key_path)
child.expect(',rsa-sha512]:')
child.sendline(algorithm)
end_session(child)
log.info('Added Joyent credential')
def add_azure(child, env, cred):
"""Adds credentials for Azure to test client using real credentials.
:param child: pexpect.spawn object of the juju add-credential command
:param env: String environment name
:param cred: Dict of credential information
"""
auth_type = cred['credentials']['auth-type']
application_id = cred['credentials']['application-id']
subscription_id = cred['credentials']['subscription-id']
application_password = cred['credentials']['application-password']
child.expect('Enter credential name:')
child.sendline(env)
child.expect('Select auth-type:')
child.sendline(auth_type)
child.expect('Enter application-id:')
child.sendline(application_id)
child.expect('Enter subscription-id:')
child.sendline(subscription_id)
child.expect('Enter application-password:')
child.sendline(application_password)
end_session(child)
log.info('Added Azure credential')
def parse_args(argv):
"""Parse all arguments."""
parser = argparse.ArgumentParser(
description='Test if juju properly adds credentials with the '
'add-credential command.')
add_basic_testing_arguments(parser)
return parser.parse_args(argv)
def main(argv=None):
args = parse_args(argv)
configure_logging(args.verbose)
with temp_dir() as temp:
os.environ['JUJU_HOME'] = temp
os.environ['JUJU_DATA'] = temp
assess_add_credentials(args)
return 0
if __name__ == '__main__':
sys.exit(main())
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