def bosh_login(*, user=None, pswd=None, cacert=None, env=None):
"""
Login to the bosh CLI. All parameters default to config values if not specified.
:param user: Bosh username.
:param pswd: Bosh password.
:param cacert: Bosh client cert.
:param env: Bosh environment to login to.
:return: int, str, str; Returncode, stdout, stderr.
"""
cfg = Config()['bosh']
certfile = Certfile(cacert=cacert)
creds = cfg.get('credentials')
if not creds:
assert user and pswd, "Must specify username and password!"
else:
user = user or creds['user']
pswd = pswd or creds['pswd']
cmd = [cfg['cmd'], '-e', env or cfg['env']]
stdin = [user, pswd]
if certfile:
cmd.extend(['--ca-cert=' + certfile.name])
cmd.append('login')
return run_cmd(cmd, stdin)
def cf_login(*, user=None, pswd=None, api=None, skip_ssl_validation=None):
"""
Login to the CF CLI. All parameters default to config values if not specified.
:param user: str; Cf username.
:param pswd: str; Cf password.
:param api: str; Cf api url.
:param skip_ssl_validation: bool; Whether cf ssl validation should be skipped, useful if certs are not installed.
:return: int, str, str; Returncode, stdout, stderr.
"""
cfg = Config()['cf']
creds = cfg.get('credentials')
if not creds:
assert user and pswd and api, "Must specify username, password, and API address!"
else:
user = user or creds['user']
pswd = pswd or creds['pswd']
if skip_ssl_validation is None:
skip_ssl_validation = creds.get('skip-ssl-validation') or False
pswd = '"{}"'.format(pswd.replace('"', r'\"'))
api = api or creds['api']
cmd = [cfg['cmd'], 'login']
if skip_ssl_validation:
cmd.append('--skip-ssl-validation')
cmd.extend(['-a', api, '-u', user, '-p', pswd])
return run_cmd(cmd, stdin='\n')
def __init__(self, cacert=None):
"""
Get the certfile from the config if it exists, otherwise just init to None.
:param cacert: str; Cert override (instead of reading config).
"""
self._crtfile = None
self.name = None
if not cacert:
creds = Config()['bosh'].get('credentials')
if creds:
cacert = creds.get('cacert')
if cacert:
self._crtfile = NamedTemporaryFile(mode='w')
self._crtfile.write(cacert)
self._crtfile.flush()
self.name = self._crtfile.name
def run_cmd_on_container(dcid, contid, cmd, suppress_output=False):
"""
Run one or more commands in the shell on a container on a diego cell.
:param dcid: str; Diego-cell ID of the Diego Cell running the container.
:param contid: str; Container ID of the container which is to be connected to.
:param cmd: Union[str, List[str]]; Command(s) to run on the container.
:param suppress_output: bool; If true, no extra debug output will be printed when an error occurs.
:return: int, str, str; Returncode, stdout, stderr.
"""
cfg = Config()
use_containerd = cfg.get("use-containerd") is not None
if use_containerd:
# Refer to: https://devops.stackexchange.com/a/13781/27344
shell_cmd = f'exec sudo /var/vcap/packages/containerd/bin/ctr -a /var/vcap/sys/run/containerd/containerd.sock -n garden tasks exec --exec-id my-shell --tty {contid} /bin/bash'
else:
shell_cmd = f'exec sudo /var/vcap/packages/runc/bin/runc exec -t {contid} /bin/bash'
if isinstance(cmd, list):
cmd.insert(0, shell_cmd)
else:
cmd = [shell_cmd, cmd]
return run_cmd_on_diego_cell(dcid, cmd, suppress_output=suppress_output)