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control_persist.py	8.46 MB	View DL Edit
juju.py	3.01 MB	View DL Edit
local.py	1.42 MB	View DL Edit
oc.py	9.41 MB	View DL Edit
saltstack.py	5.55 MB	View DL Edit
__init__.py	16.25 MB	View DL Edit

Edit file: /usr/lib/python3.9/site-packages/sos/collector/transports/juju.py

# This file is part of the sos project: https://github.com/sosreport/sos
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# version 2 of the GNU General Public License.
#
# See the LICENSE file in the source distribution for further information.

import subprocess

from sos.collector.exceptions import JujuNotInstalledException
from sos.collector.transports import RemoteTransport
from sos.utilities import sos_get_command_output

class JujuSSH(RemoteTransport):
    """
    A "transport" that leverages `juju ssh` to perform commands on the remote
    hosts.

This transport is expected to be used in juju managed environment, and the
    user should have the necessary credential for accessing the controller.
    When using this transport, the --nodes option will be expected to be a
    comma separated machine IDs, **not** IP addr, since `juju ssh` identifies
    the ssh target by machine ID.

Examples:

sos collect --nodes 0,1,2 --no-local --transport juju --batch

"""

name = "juju_ssh"
    default_user = "ubuntu"

def _check_juju_installed(self):
        cmd = "juju version"
        try:
            subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
        except subprocess.CalledProcessError as err:
            self.log_error("Failed to check `juju` version")
            raise JujuNotInstalledException from err
        return True

def _chmod(self, fname):
        cmd = f"{self.remote_exec} sudo chmod o+r {fname}"
        try:
            subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
        except subprocess.CalledProcessError:
            self.log_error(f"Failed to make {fname} world-readable")
            raise
        return True

def _connect(self, password=""):
        self._connected = self._check_juju_installed()
        return self._connected

def _disconnect(self):
        return True

@property
    def connected(self):
        return self._connected

@property
    def remote_exec(self):
        model, target_option = self.address.split(":")
        model_option = f"-m {model}" if model else ""
        option = f"{model_option} {target_option}"
        return f"juju ssh {option}"

def _copy_file_to_remote(self, fname, dest):
        model, unit = self.address.split(":")
        model_option = f"-m {model}" if model else ""
        cmd = f"juju scp {model_option} -- {fname} {unit}:{dest}"
        res = sos_get_command_output(cmd, timeout=15)
        return res["status"] == 0

def _retrieve_file(self, fname, dest):
        self._chmod(fname)  # juju scp needs the archive to be world-readable
        model, unit = self.address.split(":")
        model_option = f"-m {model}" if model else ""
        cmd = f"juju scp {model_option} -- -r {unit}:{fname} {dest}"
        res = sos_get_command_output(cmd)
        return res["status"] == 0

# vim: set et ts=4 sw=4 :

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