class Dcos():
def __init__(self, acs):
self.utils = AcsUtils()
self.acs = acs
self.logger = self.utils.getLogger("acs.dcos")
def execute(self, cmd):
"""Execute a DCOS command. Return a tuple containing stdout and
stderr.
service is the intended recipient ACS instance for the command.
"""
self.acs.connect()
output, errors = self.utils.shell_execute("dcos " + cmd)
self.acs.disconnect()
if errors is not None:
if 'Missing required config parameter: "core.dcos_url"' in errors:
self.logger.error("DC/OS CLI is installed, but core.dcos_url is not set. This indicates an incomplete installation of DCOS. Attempting to fix automatically by reinstalling DC/OS CLI.")
self.install_cli(acs)
self.execute(cmd, acs)
else:
self.logger.error("Unrecoverable error in DCOS CLI:\n" + errors)
self.logger.debug("Output of command:\n" + output)
return output, errors
def install_cli(self):
""" Install the CLI to connect to the indicated service """
self.logger.info("Installing DCOS CLI")
self.acs.connect()
cmd = "pip install virtualenv"
output, errors = self.utils.shell_execute(cmd)
cmd = "wget https://raw.githubusercontent.com/mesosphere/dcos-cli/master/bin/install/install-optout-dcos-cli.sh -O install-optout-dcos-cli.sh"
os.system(cmd)
cmd = "chmod +x install-optout-dcos-cli.sh"
os.system(cmd)
cmd = "./install-optout-dcos-cli.sh . http://localhost --add-path yes"
os.system(cmd)
self.acs.disconnect()
self.logger.info("DCOS installed. If you want to use the DC/OS command line directly then execute `. /src/bin/env-setup`")
def __init__(self, acs):
self.utils = AcsUtils()
self.acs = acs
self.logger = self.utils.getLogger("acs.dcos")
