import os
import re
import shlex
+from subprocess import CalledProcessError
import tempfile
import time
import uuid
-from subprocess import CalledProcessError
-import paramiko
+from juju.client import client
import n2vc.exceptions
+import paramiko
-from juju.client import client
arches = [
[re.compile(r"amd64|x86_64"), "amd64"],
[re.compile(r"aarch64"), "arm64"],
[re.compile(r"ppc64|ppc64el|ppc64le"), "ppc64el"],
[re.compile(r"s390x?"), "s390x"],
-
]
netfilter-persistent save
"""
+
class SSHProvisioner:
"""Provision a manually created machine via SSH."""
# Read the private key into a paramiko.RSAKey
if os.path.exists(private_key_path):
- with open(private_key_path, 'r') as f:
+ with open(private_key_path, "r") as f:
pkey = paramiko.RSAKey.from_private_key(f)
#######################################################################
)
break
except paramiko.ssh_exception.SSHException as e:
- if 'Error reading SSH protocol banner' == str(e):
+ if "Error reading SSH protocol banner" == str(e):
# Once more, with feeling
ssh.connect(host, port=22, username=user, pkey=pkey)
else:
self.log.debug("Unhandled exception caught: {}".format(e))
raise e
except Exception as e:
- if 'Unable to connect to port' in str(e):
- self.log.debug("Waiting for VM to boot, sleeping {} seconds".format(delay))
+ if "Unable to connect to port" in str(e):
+ self.log.debug(
+ "Waiting for VM to boot, sleeping {} seconds".format(delay)
+ )
if attempts > retry:
raise e
else:
if type(cmd) is not list:
cmd = [cmd]
- cmds = ' '.join(cmd)
- stdin, stdout, stderr = ssh.exec_command(cmds, get_pty=pty)
+ cmds = " ".join(cmd)
+ _, stdout, stderr = ssh.exec_command(cmds, get_pty=pty)
retcode = stdout.channel.recv_exit_status()
if retcode > 0:
output = stderr.read().strip()
- raise CalledProcessError(returncode=retcode, cmd=cmd,
- output=output)
+ raise CalledProcessError(returncode=retcode, cmd=cmd, output=output)
return (
- stdout.read().decode('utf-8').strip(),
- stderr.read().decode('utf-8').strip()
+ stdout.read().decode("utf-8").strip(),
+ stderr.read().decode("utf-8").strip(),
)
def _init_ubuntu_user(self):
try:
# Run w/o allocating a pty, so we fail if sudo prompts for a passwd
ssh = self._get_ssh_client()
- stdout, stderr = self._run_command(ssh, "sudo -n true", pty=False)
+ self._run_command(ssh, "sudo -n true", pty=False)
except paramiko.ssh_exception.AuthenticationException:
raise n2vc.exceptions.AuthenticationFailed(self.user)
except paramiko.ssh_exception.NoValidConnectionsError:
ssh.close()
# Infer the public key
- public_key = None
public_key_path = "{}.pub".format(self.private_key_path)
if not os.path.exists(public_key_path):
ssh = self._get_ssh_client()
self._run_command(
- ssh,
- ["sudo", "/bin/bash -c " + shlex.quote(script)],
- pty=True
+ ssh, ["sudo", "/bin/bash -c " + shlex.quote(script)], pty=True
)
except paramiko.ssh_exception.AuthenticationException as e:
raise e
"""
info = {
- 'series': '',
- 'arch': '',
- 'cpu-cores': '',
- 'mem': '',
+ "series": "",
+ "arch": "",
+ "cpu-cores": "",
+ "mem": "",
}
- stdout, stderr = self._run_command(
- ssh,
- ["sudo", "/bin/bash -c " + shlex.quote(DETECTION_SCRIPT)],
- pty=True,
+ stdout, _ = self._run_command(
+ ssh, ["sudo", "/bin/bash -c " + shlex.quote(DETECTION_SCRIPT)], pty=True,
)
lines = stdout.split("\n")
# Remove extraneous line if DNS resolution of hostname famils
# i.e. sudo: unable to resolve host test-1-mgmtvm-1: Connection timed out
- if 'unable to resolve host' in lines[0]:
+ if "unable to resolve host" in lines[0]:
lines = lines[1:]
- info['series'] = lines[0].strip()
- info['arch'] = normalize_arch(lines[1].strip())
+ info["series"] = lines[0].strip()
+ info["arch"] = normalize_arch(lines[1].strip())
- memKb = re.split(r'\s+', lines[2])[1]
+ memKb = re.split(r"\s+", lines[2])[1]
# Convert megabytes -> kilobytes
- info['mem'] = round(int(memKb) / 1024)
+ info["mem"] = round(int(memKb) / 1024)
# Detect available CPUs
recorded = {}
cores = line.split(":")[1].strip()
if physical_id not in recorded.keys():
- info['cpu-cores'] += cores
+ info["cpu-cores"] += cores
recorded[physical_id] = True
return info
ssh = self._get_ssh_client()
hw = self._detect_hardware_and_os(ssh)
- params.series = hw['series']
+ params.series = hw["series"]
params.instance_id = "manual:{}".format(self.host)
params.nonce = "manual:{}:{}".format(
- self.host,
- str(uuid.uuid4()), # a nop for Juju w/manual machines
+ self.host, str(uuid.uuid4()), # a nop for Juju w/manual machines
)
params.hardware_characteristics = {
- 'arch': hw['arch'],
- 'mem': int(hw['mem']),
- 'cpu-cores': int(hw['cpu-cores']),
+ "arch": hw["arch"],
+ "mem": int(hw["mem"]),
+ "cpu-cores": int(hw["cpu-cores"]),
}
- params.addresses = [{
- 'value': self.host,
- 'type': 'ipv4',
- 'scope': 'public',
- }]
+ params.addresses = [
+ {"value": self.host, "type": "ipv4", "scope": "public"}
+ ]
except paramiko.ssh_exception.AuthenticationException as e:
raise e
- 127.0.0.1:17070
- '[::1]:17070'
"""
- m = re.search('apiaddresses:\n- (\d+\.\d+\.\d+\.\d+):17070', results.script)
+ m = re.search(r"apiaddresses:\n- (\d+\.\d+\.\d+\.\d+):17070", results.script)
apiaddress = m.group(1)
"""Add IP Table rule
self._run_configure_script(script)
break
except Exception as e:
- self.log.debug("Waiting for dpkg, sleeping {} seconds".format(delay))
- if attempts > retry:
- raise e
- else:
- time.sleep(delay)
- # Slowly back off the retry
- delay += 15
+ self.log.debug("Waiting for dpkg, sleeping {} seconds".format(delay))
+ if attempts > retry:
+ raise e
+ else:
+ time.sleep(delay)
+ # Slowly back off the retry
+ delay += 15
# self.log.debug("Running configure script")
self._run_configure_script(results.script)
# self.log.debug("Configure script finished")
-
-
def _run_configure_script(self, script: str):
"""Run the script to install the Juju agent on the target machine.
if the upload fails
"""
_, tmpFile = tempfile.mkstemp()
- with open(tmpFile, 'w') as f:
+ with open(tmpFile, "w") as f:
f.write(script)
try:
# get ssh client
- ssh = self._get_ssh_client(
- user="ubuntu",
- )
+ ssh = self._get_ssh_client(user="ubuntu",)
# copy the local copy of the script to the remote machine
sftp = paramiko.SFTPClient.from_transport(ssh.get_transport())
sftp.put(
- tmpFile,
- tmpFile,
+ tmpFile, tmpFile,
)
# run the provisioning script
- stdout, stderr = self._run_command(
- ssh,
- "sudo /bin/bash {}".format(tmpFile),
+ self._run_command(
+ ssh, "sudo /bin/bash {}".format(tmpFile),
)
except paramiko.ssh_exception.AuthenticationException as e:
projects / osm / N2VC.git / blobdiff