def requestProvider(self, args, template):
provider = template.getProviders()[0]
# If there is more than one provider available for the template
if len(template.getProviders()) == 1:
COMMANDLINELOGGER.debug(
"Template has only one providers. It will be used as the default value"
)
else:
if args.provider != None:
try:
provider = Provider.fromString(args.provider)()
except:
raise InvalidCmdLineArgument("provider", args.provider)
else:
if args.no_interactive == False:
provider = Provider.fromString(
RegexedQuestion(
"Select a Provider [{0}]".format(",".join(
map(str, template.getProviders()))),
"Provider must be from {0}".format(",".join(
map(str, template.getProviders()))),
COMMANDLINELOGGER, "[{0}]".format("\\b|\\b".join(
map(str, template.getProviders()))),
str(template.getProviders()[0])).ask())()
else:
COMMANDLINELOGGER.debug("Missing provider argument")
raise InvalidCmdLineArgument("provider", args.provider)
return provider
def requestProvider(self, args, template):
provider = template.getProviders()[0]
# If there is more than one provider available for the template
if len(template.getProviders()) == 1:
COMMANDLINELOGGER.debug("Template has only one providers. It will be used as the default value")
else:
if args.provider != None:
try:
provider = Provider.fromString(args.provider)()
except:
raise InvalidCmdLineArgument("provider", args.provider)
else:
if args.no_interactive == False:
provider = Provider.fromString(
RegexedQuestion(
"Select a Provider [{0}]".format(",".join(map(str, template.getProviders()))),
"Provider must be from {0}".format(",".join(map(str, template.getProviders()))),
COMMANDLINELOGGER,
"[{0}]".format("\\b|\\b".join(map(str, template.getProviders()))),
str(template.getProviders()[0]),
).ask()
)()
else:
COMMANDLINELOGGER.debug("Missing provider argument")
raise InvalidCmdLineArgument("provider", args.provider)
return provider
def requestGuestInterface(self, networkInterfaces):
hostnameRegex = "([0-9a-zA-Z]*)"
ipAddrRegex = "(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)|dhcp"
macAddrRegex = "([0-9a-fA-F]{2}[\.:-]){5}([0-9a-fA-F]{2})"
counter = 0
hostname = RegexedQuestion(
"Enter an Hostname for the interface eth{0}".format(counter),
"Hostname must be a string", COMMANDLINELOGGER,
"^{0}$".format(hostnameRegex), "").ask()
ipAddr = RegexedQuestion("Enter an IP address for the interface",
"IPAddress must be of form XXX.XXX.XXX.XXX",
COMMANDLINELOGGER,
"^{0}$".format(ipAddrRegex), "dhcp").ask()
macAddr = RegexedQuestion(
"Enter a MAC address for the interface",
"MAC address must be of form XX:XX:XX:XX:XX",
COMMANDLINELOGGER, "^{0}$".format(macAddrRegex),
machination.helpers.randomMAC()).ask()
# Ask for the host interface to use
COMMANDLINELOGGER.debug("Request an host interface...")
hostInterface = RegexedQuestion(
"Enter the host interface [{0}]".format(",".join(
map(str, networkInterfaces))),
"Host interfaces must be from {0}".format(",".join(
map(str, networkInterfaces))), COMMANDLINELOGGER,
"^{0}$".format("\\b|\\b".join(map(str, networkInterfaces))),
networkInterfaces[0]).ask()
return (hostname, ipAddr, macAddr, hostInterface)
def displayVersion(self, args):
version = "Unknown version"
try:
version_file = open(MACHINATION_VERSIONFILE, "r")
version = StrictVersion(version_file.read())
except:
pass
COMMANDLINELOGGER.info("Machination {0}".format(str(version)))
def displayVersion(self, args):
version = "Unknown version"
try:
version_file = open(MACHINATION_VERSIONFILE, 'r')
version = StrictVersion(version_file.read())
except:
pass
COMMANDLINELOGGER.info("Machination {0}".format(str(version)))
def requestOsVersion(self, args, template):
osVersion = template.getOsVersions()[0]
# If there is more than one OS version available for the template
# Ask the user to choose
if len(template.getOsVersions()) > 1:
if args.osversion != None:
osVersion = args.osversion
COMMANDLINELOGGER.debug(
"An os version has been given by the user.")
else:
if args.no_interactive == False:
COMMANDLINELOGGER.debug(
"Request an os version to the user.")
osVersion = RegexedQuestion(
"Select an OS version [{0}]".format(",".join(
map(str, template.getOsVersions()))),
"OS version must be from {0}".format(",".join(
map(str, template.getOsVersions()))),
COMMANDLINELOGGER, "[{0}]".format("\\b|\\b".join(
map(str,
template.getOsVersions()))), osVersion).ask()
else:
COMMANDLINELOGGER.debug("Missing os version argument")
raise InvalidCmdLineArgument("osversion", args.osversion)
else:
COMMANDLINELOGGER.debug(
"Template has only one os version. It will be used as the default value"
)
return osVersion
def requestOsVersion(self, args, template):
osVersion = template.getOsVersions()[0]
# If there is more than one OS version available for the template
# Ask the user to choose
if len(template.getOsVersions()) > 1:
if args.osversion != None:
osVersion = args.osversion
COMMANDLINELOGGER.debug("An os version has been given by the user.")
else:
if args.no_interactive == False:
COMMANDLINELOGGER.debug("Request an os version to the user.")
osVersion = RegexedQuestion(
"Select an OS version [{0}]".format(",".join(map(str, template.getOsVersions()))),
"OS version must be from {0}".format(",".join(map(str, template.getOsVersions()))),
COMMANDLINELOGGER,
"[{0}]".format("\\b|\\b".join(map(str, template.getOsVersions()))),
osVersion,
).ask()
else:
COMMANDLINELOGGER.debug("Missing os version argument")
raise InvalidCmdLineArgument("osversion", args.osversion)
else:
COMMANDLINELOGGER.debug("Template has only one os version. It will be used as the default value")
return osVersion
def requestGuestInterface(self, networkInterfaces):
hostnameRegex = "([0-9a-zA-Z]*)"
ipAddrRegex = "(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)|dhcp"
macAddrRegex = "([0-9a-fA-F]{2}[\.:-]){5}([0-9a-fA-F]{2})"
counter = 0
hostname = RegexedQuestion(
"Enter an Hostname for the interface eth{0}".format(counter),
"Hostname must be a string",
COMMANDLINELOGGER,
"^{0}$".format(hostnameRegex),
"",
).ask()
ipAddr = RegexedQuestion(
"Enter an IP address for the interface",
"IPAddress must be of form XXX.XXX.XXX.XXX",
COMMANDLINELOGGER,
"^{0}$".format(ipAddrRegex),
"dhcp",
).ask()
macAddr = RegexedQuestion(
"Enter a MAC address for the interface",
"MAC address must be of form XX:XX:XX:XX:XX",
COMMANDLINELOGGER,
"^{0}$".format(macAddrRegex),
machination.helpers.randomMAC(),
).ask()
# Ask for the host interface to use
COMMANDLINELOGGER.debug("Request an host interface...")
hostInterface = RegexedQuestion(
"Enter the host interface [{0}]".format(",".join(map(str, networkInterfaces))),
"Host interfaces must be from {0}".format(",".join(map(str, networkInterfaces))),
COMMANDLINELOGGER,
"^{0}$".format("\\b|\\b".join(map(str, networkInterfaces))),
networkInterfaces[0],
).ask()
return (hostname, ipAddr, macAddr, hostInterface)
def createMachineInstance(self, args):
res = 0
COMMANDLINELOGGER.info(
"Creating a new machine instance named '{0}' using template '{1}'".
format(args.name, args.template))
# Creating the template and instances registries
try:
templates = []
instances = []
# Get templates
templates = MACHINE_TEMPLATE_REGISTRY.getTemplates()
COMMANDLINELOGGER.debug("Templates loaded.")
# Get instances
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
COMMANDLINELOGGER.debug("Instances loaded.")
w = MachineInstanceCreationWizard()
# Check if the instance is already in the registry
if args.force:
if args.name in instances.keys():
COMMANDLINELOGGER.error(
"Machine instance named '{0}' already exists but creation was forced so firstly machination will delete it."
.format(args.name))
instances[args.name].destroy()
if args.force == False and args.name in instances.keys():
COMMANDLINELOGGER.error(
"Unable to create machine: MachineInstance named '{0}' already exists. Change the name of your new machine or delete the existing one."
.format(args.name))
res = errno.EALREADY
else:
(template, arch, osversion, provider, provisioner,
guestInterfaces, sharedFolders) = w.execute(args, templates)
# Try to create the new machine
instance = MachineInstance(args.name, template, arch,
osversion, provider, provisioner,
guestInterfaces, sharedFolders)
instance.create()
COMMANDLINELOGGER.info("MachineInstance successfully created:")
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
COMMANDLINELOGGER.info(instances[args.name].getInfos())
except (KeyboardInterrupt, SystemExit):
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
except Exception as e:
COMMANDLINELOGGER.error(
"Unable to create machine instance '{0}': {1}.".format(
args.name, str(e)))
if (not args.verbose):
COMMANDLINELOGGER.info(
"Run with --verbose flag for more details")
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
return res
def listMachineInstances(self, args):
COMMANDLINELOGGER.info("Machine instances:")
COMMANDLINELOGGER.info("-------------------")
res = 0
try:
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
COMMANDLINELOGGER.debug("Instances loaded.")
# Create an array to display the available templates
data = {'name': [], 'path': [], 'started': []}
for i in instances.values():
data['name'].append(i.getName())
data['path'].append(i.getPath())
# Display the array of templates
# Check if there is an item in the resulting array using the length of the column name
if len(data['name']) != 0:
name_col_width = max(
len(word) for word in data['name']) + len("Name") + 2
path_col_width = max(
len(word) for word in data['path']) + len("Path") + 2
COMMANDLINELOGGER.info("Name".ljust(name_col_width) +
"Path".ljust(path_col_width))
for row in range(0, len(data['name'])):
COMMANDLINELOGGER.info(
data['name'][row].ljust(name_col_width) +
data['path'][row].ljust(name_col_width))
else:
COMMANDLINELOGGER.info("No instances available")
except Exception as e:
COMMANDLINELOGGER.error("Unable to list instances: {0}".format(
str(e)))
if (not args.verbose):
COMMANDLINELOGGER.info(
"Run with --verbose flag for more details")
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
except (KeyboardInterrupt, SystemExit):
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
COMMANDLINELOGGER.info("")
return res
def listMachineTemplates(self, args):
res = 0
# Create the template registry that will list all available template on the machine
COMMANDLINELOGGER.info("Machine templates:")
COMMANDLINELOGGER.info("-------------------")
try:
templates = MACHINE_TEMPLATE_REGISTRY.getTemplates()
COMMANDLINELOGGER.debug("Templates loaded.")
# Create an array containing a set of informations about the template.
# This array will be used to display the information to the user
data = {
'name': [],
'version': [],
'path': [],
'provisioners': [],
'providers': [],
'archs': [],
'comments': []
}
for f in templates.values():
data['name'].append(f.getName())
data['version'].append(str(f.getVersion()))
data['path'].append(os.path.abspath(f.getPath()))
data['provisioners'].append(",".join(
map(str, f.getProvisioners())))
data['providers'].append(",".join(map(str, f.getProviders())))
data['archs'].append(",".join(map(str, f.getArchs())))
data['comments'].append(f.getComments())
# Each column width will be computed as the max length of its items
name_col_width = 0
version_col_width = 0
path_col_width = 0
provisioner_col_width = 0
providers_col_width = 0
archs_col_width = 0
comments_col_width = 0
# Getting the max for each column
if len(data['name']) != 0:
name_col_width = max(
len(word) for word in data['name']) + len("Name") + 2
if len(data['version']) != 0:
version_col_width = max(
len(word) for word in data['version']) + len("Version") + 2
if len(data['path']) != 0:
path_col_width = max(
len(word) for word in data['path']) + len("Path") + 2
if len(data['provisioners']) != 0:
provisioner_col_width = max(
len(word)
for word in data['provisioners']) + len("Provisioners") + 2
if len(data['providers']) != 0:
providers_col_width = max(
len(word)
for word in data['providers']) + len("Providers") + 2
if len(data['archs']) != 0:
archs_col_width = max(
len(word)
for word in data['archs']) + len("Architectures") + 2
if len(data['comments']) != 0:
comments_col_width = max(
len(word)
for word in data['comments']) + len("Comments") + 2
# Display the array
# Checking number of items in the column name to know if there is something to display or not
if len(data['name']) != 0:
# Display the array titles
COMMANDLINELOGGER.info(
"Name".ljust(name_col_width) +
"Version".ljust(version_col_width) +
"Path".ljust(path_col_width) +
"Provisioners".ljust(provisioner_col_width) +
"Providers".ljust(providers_col_width) +
"Architectures".ljust(archs_col_width) +
"Comments".ljust(comments_col_width))
for row in range(0, len(data['name'])):
COMMANDLINELOGGER.info(
data['name'][row].ljust(name_col_width) +
data['version'][row].ljust(version_col_width) +
data['path'][row].ljust(path_col_width) +
data['provisioners'][row].ljust(provisioner_col_width)
+ data['providers'][row].ljust(providers_col_width) +
data['archs'][row].ljust(archs_col_width) +
data['comments'][row].ljust(comments_col_width))
else:
COMMANDLINELOGGER.info("No templates available")
except Exception as e:
COMMANDLINELOGGER.error("Unable to list templates: {0}".format(
str(e)))
if (not args.verbose):
COMMANDLINELOGGER.info(
"Run with --verbose flag for more details")
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
except (KeyboardInterrupt, SystemExit):
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
COMMANDLINELOGGER.info("")
return res
def destroyMachineInstance(self, args):
res = 0
for name in args.names:
try:
# Getting instances
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
# Check if there is actually an instance named after the request of the user
if name in instances.keys():
# Ask the user if it's ok to delete the machine
v = args.force
if v == False:
v = BinaryQuestion(
"Are you sure you want to destroy the machine named {0}. Directory {1}) will be destroyed".format(
instances[name].getName(), instances[name].getPath()
),
"Enter a Y or a N",
COMMANDLINELOGGER,
"Y",
).ask()
if v == True:
COMMANDLINELOGGER.info("Destroying machine instance '{0}'...".format(name))
instances[name].destroy()
COMMANDLINELOGGER.info("MachineInstance instance successfully destroyed")
else:
COMMANDLINELOGGER.info("MachineInstance not destroyed")
else:
COMMANDLINELOGGER.error("MachineInstance instance '{0}' does not exist.".format(name))
res = errno.EINVAL
except Exception as e:
COMMANDLINELOGGER.error("Unable to destroy machine '{0}': {1}".format(name, str(e)))
if not args.verbose:
COMMANDLINELOGGER.info("Run with --verbose flag for more details")
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
except (KeyboardInterrupt, SystemExit):
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
return res
def parseArgs(self, args):
templates = MACHINE_TEMPLATE_REGISTRY.getTemplates()
COMMANDLINELOGGER.debug("Templates loaded.")
# Get instances
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
COMMANDLINELOGGER.debug("Instances loaded.")
# Create main parser
parser = argparse.ArgumentParser(
prog="Machination",
description='Machination utility, all your appliances belong to us.'
)
rootSubparsers = parser.add_subparsers(dest="function")
versionParser = rootSubparsers.add_parser('version',
help='Display version')
# Parser for list command
listParser = rootSubparsers.add_parser(
'list', help='List templates and instances')
listParser.add_argument('type',
help='Type to list',
nargs='?',
type=str,
choices=("templates", "instances"))
listParser.add_argument('--verbose',
"-v",
help='Verbose mode',
action='store_true')
# Parser for create command
createParser = rootSubparsers.add_parser(
'create', help='Create the given machine in the path')
createParser.add_argument('template',
help='Name of the template to create',
type=str,
choices=templates.keys())
createParser.add_argument('name',
help='Name of the machine to create',
type=str)
createParser.add_argument('--arch',
'-a',
help='Architecture to use',
type=str)
createParser.add_argument('--provider',
'-p',
help='Provider to use',
type=str)
createParser.add_argument('--provisioner',
'-n',
help='Provisioner to use',
type=str)
createParser.add_argument('--osversion',
'-o',
help='OS Version to use',
type=str)
createParser.add_argument(
'--guestinterface',
'-i',
help='Network interface to add',
metavar="<host_interface>,<ip_addr>[,mac_addr,hostname]",
action='append',
type=str)
createParser.add_argument(
'--sharedfolder',
'-s',
nargs=2,
help='Shared folder between the new machine and the host',
metavar=("<host folder>", "<guest folder>"),
action='append',
type=str)
createParser.add_argument(
'--no-interactive',
help=
'Do not request for interactive configuration of optional elements (interfaces,sharedfolders)',
action='store_true')
createParser.add_argument('--verbose',
"-v",
help='Verbose mode',
action='store_true')
createParser.add_argument(
'--force',
"-f",
help='Force creation by deleting an instance with same name',
action='store_true')
# Parser for destroy command
destroyParser = rootSubparsers.add_parser(
'destroy', help='Destroy the given machine in the path')
destroyParser.add_argument('names',
help='Name of the machine to destroy',
nargs="+",
type=str,
choices=instances.keys())
destroyParser.add_argument('--force',
'-f',
help='Do not ask for confirmation',
action='store_true')
destroyParser.add_argument('--verbose',
"-v",
help='Verbose mode',
action='store_true')
# Parser for start command
startParser = rootSubparsers.add_parser(
'start', help='Start the given machine instance')
startParser.add_argument('names',
help='Name of the machine to start',
nargs="+",
type=str,
choices=instances.keys())
startParser.add_argument('--verbose',
"-v",
help='Verbose mode',
action='store_true')
# Parser for stop command
stopParser = rootSubparsers.add_parser(
'stop', help='Stop the given machine instance')
stopParser.add_argument('names',
help='Name of the machine to stop',
nargs="+",
type=str,
choices=instances.keys())
stopParser.add_argument('--verbose',
"-v",
help='Verbose mode',
action='store_true')
# Parser for restart command
restartParser = rootSubparsers.add_parser(
'restart', help='Restart the given machine instance')
restartParser.add_argument('names',
help='Name of the machine to restart',
nargs="+",
type=str,
choices=instances.keys())
restartParser.add_argument('--verbose',
"-v",
help='Verbose mode',
action='store_true')
# Parser for infos command
infosParser = rootSubparsers.add_parser(
'infos', help='Get informations about a machine instance')
infosParser.add_argument(
'names',
help=
'Name of the machine instance from which infos shall be retrieved',
nargs="?",
type=str,
choices=instances.keys())
infosParser.add_argument('--verbose',
"-v",
help='Verbose mode',
action='store_true')
# Parser for ssh command
sshParser = rootSubparsers.add_parser('ssh',
help='SSH to the given machine')
sshParser.add_argument('name',
help='Name of the machine to ssh in',
choices=instances.keys(),
type=str)
sshParser.add_argument('--command',
"-c",
help='Command to execute in SSH',
type=str)
sshParser.add_argument('--verbose',
"-v",
help='Verbose mode',
action='store_true')
# Parse the command
argcomplete.autocomplete(parser)
args = parser.parse_args()
functions = {
"list": self.listElements,
"create": self.createMachineInstance,
"destroy": self.destroyMachineInstance,
"start": self.startMachineInstance,
"stop": self.stopMachineInstance,
"restart": self.restartMachineInstance,
"infos": self.getMachineInstanceInfos,
"ssh": self.sshIntoMachineInstance,
"version": self.displayVersion
}
if ("verbose" in args and args.verbose):
setGlobalLogLevel(logging.DEBUG)
else:
setGlobalLogLevel(logging.INFO)
res = 0
if (args.function in functions.keys()):
res = functions[args.function](args)
return res
def sshIntoMachineInstance(self, args):
res = 0
COMMANDLINELOGGER.info("SSH into machine {0}".format(args.name))
try:
# # Search for the requested instance in the registry
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
if args.name in instances.keys():
if not instances[args.name].isStarted():
COMMANDLINELOGGER.error(
"MachineInstance instance '{0}' is not started, starting it before connecting to it."
.format(args.name))
instances[args.name].start()
instances[args.name].ssh(args.command)
else:
COMMANDLINELOGGER.error(
"MachineInstance instance '{0}' does not exist.".format(
args.name))
except Exception as e:
COMMANDLINELOGGER.error(
"Unable to SSH into machine instance '{0}': ".format(str(e)))
if (not args.verbose):
COMMANDLINELOGGER.info(
"Run with --verbose flag for more details")
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
except (KeyboardInterrupt, SystemExit):
COMMANDLINELOGGER.debug(traceback.format_exc())
return res
def stopMachineInstance(self, args):
res = 0
for name in args.names:
print(name)
COMMANDLINELOGGER.info("Stopping machine {0}".format(name))
try:
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
# # Search for the requested instnce
if name in instances.keys():
instances[name].stop()
else:
COMMANDLINELOGGER.error(
"MachineInstance instance '{0}' does not exist.".
format(name))
COMMANDLINELOGGER.info(
"MachineInstance instance '{0}' successfully stopped.".
format(name))
except Exception as e:
COMMANDLINELOGGER.error(
"Unable to stop machine instance '{0}': {1}.".format(
name, str(e)))
if (not args.verbose):
COMMANDLINELOGGER.info(
"Run with --verbose flag for more details")
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
except (KeyboardInterrupt, SystemExit):
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
return res
def parseArgs(self, args):
templates = MACHINE_TEMPLATE_REGISTRY.getTemplates()
COMMANDLINELOGGER.debug("Templates loaded.")
# Get instances
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
COMMANDLINELOGGER.debug("Instances loaded.")
# Create main parser
parser = argparse.ArgumentParser(
prog="Machination", description="Machination utility, all your appliances belong to us."
)
rootSubparsers = parser.add_subparsers(dest="function")
versionParser = rootSubparsers.add_parser("version", help="Display version")
# Parser for list command
listParser = rootSubparsers.add_parser("list", help="List templates and instances")
listParser.add_argument("type", help="Type to list", nargs="?", type=str, choices=("templates", "instances"))
listParser.add_argument("--verbose", "-v", help="Verbose mode", action="store_true")
# Parser for create command
createParser = rootSubparsers.add_parser("create", help="Create the given machine in the path")
createParser.add_argument("template", help="Name of the template to create", type=str, choices=templates.keys())
createParser.add_argument("name", help="Name of the machine to create", type=str)
createParser.add_argument("--arch", "-a", help="Architecture to use", type=str)
createParser.add_argument("--provider", "-p", help="Provider to use", type=str)
createParser.add_argument("--provisioner", "-n", help="Provisioner to use", type=str)
createParser.add_argument("--osversion", "-o", help="OS Version to use", type=str)
createParser.add_argument(
"--guestinterface",
"-i",
help="Network interface to add",
metavar="<host_interface>,<ip_addr>[,mac_addr,hostname]",
action="append",
type=str,
)
createParser.add_argument(
"--sharedfolder",
"-s",
nargs=2,
help="Shared folder between the new machine and the host",
metavar=("<host folder>", "<guest folder>"),
action="append",
type=str,
)
createParser.add_argument(
"--no-interactive",
help="Do not request for interactive configuration of optional elements (interfaces,sharedfolders)",
action="store_true",
)
createParser.add_argument("--verbose", "-v", help="Verbose mode", action="store_true")
createParser.add_argument(
"--force", "-f", help="Force creation by deleting an instance with same name", action="store_true"
)
# Parser for destroy command
destroyParser = rootSubparsers.add_parser("destroy", help="Destroy the given machine in the path")
destroyParser.add_argument(
"names", help="Name of the machine to destroy", nargs="+", type=str, choices=instances.keys()
)
destroyParser.add_argument("--force", "-f", help="Do not ask for confirmation", action="store_true")
destroyParser.add_argument("--verbose", "-v", help="Verbose mode", action="store_true")
# Parser for start command
startParser = rootSubparsers.add_parser("start", help="Start the given machine instance")
startParser.add_argument(
"names", help="Name of the machine to start", nargs="+", type=str, choices=instances.keys()
)
startParser.add_argument("--verbose", "-v", help="Verbose mode", action="store_true")
# Parser for stop command
stopParser = rootSubparsers.add_parser("stop", help="Stop the given machine instance")
stopParser.add_argument(
"names", help="Name of the machine to stop", nargs="+", type=str, choices=instances.keys()
)
stopParser.add_argument("--verbose", "-v", help="Verbose mode", action="store_true")
# Parser for restart command
restartParser = rootSubparsers.add_parser("restart", help="Restart the given machine instance")
restartParser.add_argument(
"names", help="Name of the machine to restart", nargs="+", type=str, choices=instances.keys()
)
restartParser.add_argument("--verbose", "-v", help="Verbose mode", action="store_true")
# Parser for infos command
infosParser = rootSubparsers.add_parser("infos", help="Get informations about a machine instance")
infosParser.add_argument(
"names",
help="Name of the machine instance from which infos shall be retrieved",
nargs="?",
type=str,
choices=instances.keys(),
)
infosParser.add_argument("--verbose", "-v", help="Verbose mode", action="store_true")
# Parser for ssh command
sshParser = rootSubparsers.add_parser("ssh", help="SSH to the given machine")
sshParser.add_argument("name", help="Name of the machine to ssh in", choices=instances.keys(), type=str)
sshParser.add_argument("--command", "-c", help="Command to execute in SSH", type=str)
sshParser.add_argument("--verbose", "-v", help="Verbose mode", action="store_true")
# Parse the command
argcomplete.autocomplete(parser)
args = parser.parse_args()
functions = {
"list": self.listElements,
"create": self.createMachineInstance,
"destroy": self.destroyMachineInstance,
"start": self.startMachineInstance,
"stop": self.stopMachineInstance,
"restart": self.restartMachineInstance,
"infos": self.getMachineInstanceInfos,
"ssh": self.sshIntoMachineInstance,
"version": self.displayVersion,
}
if "verbose" in args and args.verbose:
setGlobalLogLevel(logging.DEBUG)
else:
setGlobalLogLevel(logging.INFO)
res = 0
if args.function in functions.keys():
res = functions[args.function](args)
return res
def listMachineInstances(self, args):
COMMANDLINELOGGER.info("Machine instances:")
COMMANDLINELOGGER.info("-------------------")
res = 0
try:
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
COMMANDLINELOGGER.debug("Instances loaded.")
# Create an array to display the available templates
data = {"name": [], "path": [], "started": []}
for i in instances.values():
data["name"].append(i.getName())
data["path"].append(i.getPath())
# Display the array of templates
# Check if there is an item in the resulting array using the length of the column name
if len(data["name"]) != 0:
name_col_width = max(len(word) for word in data["name"]) + len("Name") + 2
path_col_width = max(len(word) for word in data["path"]) + len("Path") + 2
COMMANDLINELOGGER.info("Name".ljust(name_col_width) + "Path".ljust(path_col_width))
for row in range(0, len(data["name"])):
COMMANDLINELOGGER.info(
data["name"][row].ljust(name_col_width) + data["path"][row].ljust(name_col_width)
)
else:
COMMANDLINELOGGER.info("No instances available")
except Exception as e:
COMMANDLINELOGGER.error("Unable to list instances: {0}".format(str(e)))
if not args.verbose:
COMMANDLINELOGGER.info("Run with --verbose flag for more details")
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
except (KeyboardInterrupt, SystemExit):
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
COMMANDLINELOGGER.info("")
return res
def sshIntoMachineInstance(self, args):
res = 0
COMMANDLINELOGGER.info("SSH into machine {0}".format(args.name))
try:
# # Search for the requested instance in the registry
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
if args.name in instances.keys():
if not instances[args.name].isStarted():
COMMANDLINELOGGER.error(
"MachineInstance instance '{0}' is not started, starting it before connecting to it.".format(
args.name
)
)
instances[args.name].start()
instances[args.name].ssh(args.command)
else:
COMMANDLINELOGGER.error("MachineInstance instance '{0}' does not exist.".format(args.name))
except Exception as e:
COMMANDLINELOGGER.error("Unable to SSH into machine instance '{0}': ".format(str(e)))
if not args.verbose:
COMMANDLINELOGGER.info("Run with --verbose flag for more details")
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
except (KeyboardInterrupt, SystemExit):
COMMANDLINELOGGER.debug(traceback.format_exc())
return res
def getMachineInstanceInfos(self, args):
res = 0
toDisplay = []
if args.names:
toDisplay.append(args.names)
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
if len(toDisplay) == 0:
toDisplay = instances.keys()
for name in toDisplay:
try:
# # Search for the requested instnce
if name in instances.keys():
COMMANDLINELOGGER.info(instances[name].getInfos())
else:
COMMANDLINELOGGER.error("MachineInstance instance '{0}' does not exist.".format(name))
res = errno.EINVAL
except Exception as e:
COMMANDLINELOGGER.error(
"Unable to get informations for machine instance '{0}': '{1}'.".format(name, str(e))
)
if not args.verbose:
COMMANDLINELOGGER.info("Run with --verbose flag for more details")
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
except (KeyboardInterrupt, SystemExit):
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
return res
def stopMachineInstance(self, args):
res = 0
for name in args.names:
print(name)
COMMANDLINELOGGER.info("Stopping machine {0}".format(name))
try:
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
# # Search for the requested instnce
if name in instances.keys():
instances[name].stop()
else:
COMMANDLINELOGGER.error("MachineInstance instance '{0}' does not exist.".format(name))
COMMANDLINELOGGER.info("MachineInstance instance '{0}' successfully stopped.".format(name))
except Exception as e:
COMMANDLINELOGGER.error("Unable to stop machine instance '{0}': {1}.".format(name, str(e)))
if not args.verbose:
COMMANDLINELOGGER.info("Run with --verbose flag for more details")
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
except (KeyboardInterrupt, SystemExit):
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
return res
def destroyMachineInstance(self, args):
res = 0
for name in args.names:
try:
# Getting instances
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
# Check if there is actually an instance named after the request of the user
if name in instances.keys():
# Ask the user if it's ok to delete the machine
v = args.force
if v == False:
v = BinaryQuestion(
"Are you sure you want to destroy the machine named {0}. Directory {1}) will be destroyed"
.format(instances[name].getName(),
instances[name].getPath()),
"Enter a Y or a N", COMMANDLINELOGGER, "Y").ask()
if v == True:
COMMANDLINELOGGER.info(
"Destroying machine instance '{0}'...".format(
name))
instances[name].destroy()
COMMANDLINELOGGER.info(
"MachineInstance instance successfully destroyed")
else:
COMMANDLINELOGGER.info("MachineInstance not destroyed")
else:
COMMANDLINELOGGER.error(
"MachineInstance instance '{0}' does not exist.".
format(name))
res = errno.EINVAL
except Exception as e:
COMMANDLINELOGGER.error(
"Unable to destroy machine '{0}': {1}".format(
name, str(e)))
if (not args.verbose):
COMMANDLINELOGGER.info(
"Run with --verbose flag for more details")
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
except (KeyboardInterrupt, SystemExit):
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
return res
def requestProvisionner(self, args, template):
provisioner = template.getProvisioners()[0]
# If there is more than one provisioner available for the template
if len(template.getProvisioners()) == 1:
COMMANDLINELOGGER.debug("Template has only one provisioner. It will be used as the default value")
else:
if args.provisioner != None:
COMMANDLINELOGGER.debug("A provisioner has been given by the user.")
try:
provisioner = Provisioner.fromString(args.provisioner)()
except:
COMMANDLINELOGGER.debug("Given provisioner is not supported by machination.")
raise InvalidCmdLineArgument("provisioner", args.provisioner)
if provisioner not in template.getProvisioners():
COMMANDLINELOGGER.debug("Given provisioner is not supported by this template.")
raise InvalidCmdLineArgument("provisioner", args.provisioner)
else:
if args.no_interactive == False:
COMMANDLINELOGGER.debug("Request a provisioner to the user.")
provisioner = Provisioner.fromString(
RegexedQuestion(
"Select an Provisioner [{0}]".format(",".join(map(str, template.getProvisioners()))),
"Provisioner must be from {0}".format(",".join(map(str, template.getProvisioners()))),
COMMANDLINELOGGER,
"[{0}]".format("\\b|\\b".join(map(str, template.getProvisioners()))),
provisioner.name,
).ask()
)()
else:
COMMANDLINELOGGER.debug("Missing provisioner argument")
raise InvalidCmdLineArgument("provisioner", args.provisioner)
return provisioner
def listMachineTemplates(self, args):
res = 0
# Create the template registry that will list all available template on the machine
COMMANDLINELOGGER.info("Machine templates:")
COMMANDLINELOGGER.info("-------------------")
try:
templates = MACHINE_TEMPLATE_REGISTRY.getTemplates()
COMMANDLINELOGGER.debug("Templates loaded.")
# Create an array containing a set of informations about the template.
# This array will be used to display the information to the user
data = {
"name": [],
"version": [],
"path": [],
"provisioners": [],
"providers": [],
"archs": [],
"comments": [],
}
for f in templates.values():
data["name"].append(f.getName())
data["version"].append(str(f.getVersion()))
data["path"].append(os.path.abspath(f.getPath()))
data["provisioners"].append(",".join(map(str, f.getProvisioners())))
data["providers"].append(",".join(map(str, f.getProviders())))
data["archs"].append(",".join(map(str, f.getArchs())))
data["comments"].append(f.getComments())
# Each column width will be computed as the max length of its items
name_col_width = 0
version_col_width = 0
path_col_width = 0
provisioner_col_width = 0
providers_col_width = 0
archs_col_width = 0
comments_col_width = 0
# Getting the max for each column
if len(data["name"]) != 0:
name_col_width = max(len(word) for word in data["name"]) + len("Name") + 2
if len(data["version"]) != 0:
version_col_width = max(len(word) for word in data["version"]) + len("Version") + 2
if len(data["path"]) != 0:
path_col_width = max(len(word) for word in data["path"]) + len("Path") + 2
if len(data["provisioners"]) != 0:
provisioner_col_width = max(len(word) for word in data["provisioners"]) + len("Provisioners") + 2
if len(data["providers"]) != 0:
providers_col_width = max(len(word) for word in data["providers"]) + len("Providers") + 2
if len(data["archs"]) != 0:
archs_col_width = max(len(word) for word in data["archs"]) + len("Architectures") + 2
if len(data["comments"]) != 0:
comments_col_width = max(len(word) for word in data["comments"]) + len("Comments") + 2
# Display the array
# Checking number of items in the column name to know if there is something to display or not
if len(data["name"]) != 0:
# Display the array titles
COMMANDLINELOGGER.info(
"Name".ljust(name_col_width)
+ "Version".ljust(version_col_width)
+ "Path".ljust(path_col_width)
+ "Provisioners".ljust(provisioner_col_width)
+ "Providers".ljust(providers_col_width)
+ "Architectures".ljust(archs_col_width)
+ "Comments".ljust(comments_col_width)
)
for row in range(0, len(data["name"])):
COMMANDLINELOGGER.info(
data["name"][row].ljust(name_col_width)
+ data["version"][row].ljust(version_col_width)
+ data["path"][row].ljust(path_col_width)
+ data["provisioners"][row].ljust(provisioner_col_width)
+ data["providers"][row].ljust(providers_col_width)
+ data["archs"][row].ljust(archs_col_width)
+ data["comments"][row].ljust(comments_col_width)
)
else:
COMMANDLINELOGGER.info("No templates available")
except Exception as e:
COMMANDLINELOGGER.error("Unable to list templates: {0}".format(str(e)))
if not args.verbose:
COMMANDLINELOGGER.info("Run with --verbose flag for more details")
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
except (KeyboardInterrupt, SystemExit):
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
COMMANDLINELOGGER.info("")
return res
def requestArchitecture(self, args, template):
arch = template.getArchs()[0]
# If there is more than one architecture available for the template
# Ask the user to choose
if len(template.getArchs()) > 1:
if args.arch != None:
COMMANDLINELOGGER.debug("An architecture has been given in by the user.")
try:
arch = Architecture.fromString(self.args.arch)
except:
COMMANDLINELOGGER.debug("Given architecture is not supported by machination.")
raise InvalidCmdLineArgument("architecture", self.args.arch)
if arch not in self.template.getArchs():
COMMANDLINELOGGER.debug(
"Given architecture is not supported by the template (shall be one of %s).".format(
", ".join(template.getArchs())
)
)
raise InvalidCmdLineArgument("architecture", self.args.arch)
else:
if args.no_interactive == False:
COMMANDLINELOGGER.debug("Request an architecture...")
arch = Architecture.fromString(
RegexedQuestion(
"Select an architecture [{0}]".format(",".join(map(str, template.getArchs()))),
"Architecture must be from {0}".format(",".join(map(str, template.getArchs()))),
COMMANDLINELOGGER,
"^[{0}]$".format("\\b|\\b".join(map(str, template.getArchs()))),
arch.name,
).ask()
)
else:
COMMANDLINELOGGER.debug("Missing architecture argument")
raise InvalidCmdLineArgument("architecture", args.arch)
else:
COMMANDLINELOGGER.debug("Template has only one architecture. It will be used as the default value.")
return arch
def getMachineInstanceInfos(self, args):
res = 0
toDisplay = []
if (args.names):
toDisplay.append(args.names)
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
if (len(toDisplay) == 0):
toDisplay = instances.keys()
for name in toDisplay:
try:
# # Search for the requested instnce
if name in instances.keys():
COMMANDLINELOGGER.info(instances[name].getInfos())
else:
COMMANDLINELOGGER.error(
"MachineInstance instance '{0}' does not exist.".
format(name))
res = errno.EINVAL
except Exception as e:
COMMANDLINELOGGER.error(
"Unable to get informations for machine instance '{0}': '{1}'."
.format(name, str(e)))
if (not args.verbose):
COMMANDLINELOGGER.info(
"Run with --verbose flag for more details")
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
except (KeyboardInterrupt, SystemExit):
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
return res
def requestArchitecture(self, args, template):
arch = template.getArchs()[0]
# If there is more than one architecture available for the template
# Ask the user to choose
if len(template.getArchs()) > 1:
if args.arch != None:
COMMANDLINELOGGER.debug(
"An architecture has been given in by the user.")
try:
arch = Architecture.fromString(self.args.arch)
except:
COMMANDLINELOGGER.debug(
"Given architecture is not supported by machination.")
raise InvalidCmdLineArgument("architecture",
self.args.arch)
if arch not in self.template.getArchs():
COMMANDLINELOGGER.debug(
"Given architecture is not supported by the template (shall be one of %s)."
.format(', '.join(template.getArchs())))
raise InvalidCmdLineArgument("architecture",
self.args.arch)
else:
if args.no_interactive == False:
COMMANDLINELOGGER.debug("Request an architecture...")
arch = Architecture.fromString(
RegexedQuestion(
"Select an architecture [{0}]".format(",".join(
map(str, template.getArchs()))),
"Architecture must be from {0}".format(",".join(
map(str, template.getArchs()))),
COMMANDLINELOGGER, "^[{0}]$".format("\\b|\\b".join(
map(str,
template.getArchs()))), arch.name).ask())
else:
COMMANDLINELOGGER.debug("Missing architecture argument")
raise InvalidCmdLineArgument("architecture", args.arch)
else:
COMMANDLINELOGGER.debug(
"Template has only one architecture. It will be used as the default value."
)
return arch
def execute(self, args, templates):
# Check if the requested template exists
COMMANDLINELOGGER.debug("Instance '{0}' does not exist, proceeding to its creation.".format(args.name))
args.template = args.template.replace("\\", "")
template = None
guestInterfaces = []
sharedFolders = []
hostInterface = None
networkInterfaces = getAllNetInterfaces()
arch = None
osversion = None
provisioner = None
provider = None
if args.template in templates.keys():
template = templates[args.template]
guestInterfaces = []
sharedFolders = []
hostInterface = None
networkInterfaces = getAllNetInterfaces()
if len(networkInterfaces) == 0:
COMMANDLINELOGGER.debug("No ethernet interfaces has been found on the host.")
raise InvalidHardwareSupport(
"Your host does not have any network interface. Machines cannot be executed"
)
else:
COMMANDLINELOGGER.debug(
"{0} interfaces has been found on the host: {1}.".format(
len(networkInterfaces), ", ".join(networkInterfaces)
)
)
arch = self.requestArchitecture(args, template)
osversion = self.requestOsVersion(args, template)
provisioner = self.requestProvisionner(args, template)
provider = self.requestProvider(args, template)
# Ask for configuration of network interface of the template
itfCounter = 0
if args.guestinterface != None:
for i in range(0, template.getGuestInterfaces()):
(hostInterface, ipAddr, macAddr, hostname) = self.unpackInterface(args.guestinterface[itfCounter])
guestInterfaces.append(NetworkInterface(ipAddr, macAddr, hostInterface, hostname))
for i in range(itfCounter, len(args.guestinterface)):
(hostInterface, ipAddr, macAddr, hostname) = self.unpackInterface(args.guestinterface[itfCounter])
guestInterfaces.append(NetworkInterface(ipAddr, macAddr, hostInterface, hostname))
itfCounter += 1
else:
for i in range(0, template.getGuestInterfaces()):
(hostInterface, ipAddr, macAddr, hostname) = self.requestInterface(networkInterfaces)
guestInterfaces.append(NetworkInterface(ipAddr, macAddr, hostInterface, hostname))
# Ask for additional network interfaces
if args.no_interactive == False:
for i in range(itfCounter, template.getGuestInterfaces()):
(hostInterface, ipAddr, macAddr, hostname) = self.requestInterface(networkInterfaces)
guestInterfaces.append(NetworkInterface(ipAddr, macAddr, hostInterface, hostname))
else:
if len(args.guestinterface) < template.getGuestInterfaces():
COMMANDLINELOGGER.error("Not enough guestinterfaces given to fill requirement of template")
raise InvalidCmdLineArgument("guestinterface", args.guestinterface)
if args.no_interactive == False:
# Ask for adding a new shared folder
while BinaryQuestion(
"Do you want to add a shared folder ?", "Enter a Y or a N", COMMANDLINELOGGER, "N"
).ask():
hostPathQues = PathQuestion(
"Enter a path to an existing folder on the host",
"Entered path is invalid, Please enter a valid path",
COMMANDLINELOGGER,
".+",
None,
True,
).ask()
guestPathQues = PathQuestion(
"Enter the mount path on the guest directory: ",
"Entered path is invalid, Please enter a valid path",
COMMANDLINELOGGER,
"^/.+",
None,
False,
).ask()
sharedFolders.append(SharedFolder(hostPathQues, guestPathQues))
if args.sharedfolder != None:
for s in args.sharedfolder:
sharedFolders.append(SharedFolder(s[0], s[1]))
else:
COMMANDLINELOGGER.error(
"Unable to create machine: MachineInstance template '{0}:{1}' does not exists".format(
args.template, args.templateversion
)
)
return (template, arch, osversion, provider, provisioner, guestInterfaces, sharedFolders)
def execute(self, args, templates):
# Check if the requested template exists
COMMANDLINELOGGER.debug(
"Instance '{0}' does not exist, proceeding to its creation.".
format(args.name))
args.template = args.template.replace("\\", '')
template = None
guestInterfaces = []
sharedFolders = []
hostInterface = None
networkInterfaces = getAllNetInterfaces()
arch = None
osversion = None
provisioner = None
provider = None
if args.template in templates.keys():
template = templates[args.template]
guestInterfaces = []
sharedFolders = []
hostInterface = None
networkInterfaces = getAllNetInterfaces()
if len(networkInterfaces) == 0:
COMMANDLINELOGGER.debug(
"No ethernet interfaces has been found on the host.")
raise InvalidHardwareSupport(
"Your host does not have any network interface. Machines cannot be executed"
)
else:
COMMANDLINELOGGER.debug(
"{0} interfaces has been found on the host: {1}.".format(
len(networkInterfaces), ', '.join(networkInterfaces)))
arch = self.requestArchitecture(args, template)
osversion = self.requestOsVersion(args, template)
provisioner = self.requestProvisionner(args, template)
provider = self.requestProvider(args, template)
# Ask for configuration of network interface of the template
itfCounter = 0
if args.guestinterface != None:
for i in range(0, template.getGuestInterfaces()):
(hostInterface, ipAddr, macAddr,
hostname) = self.unpackInterface(
args.guestinterface[itfCounter])
guestInterfaces.append(
NetworkInterface(ipAddr, macAddr, hostInterface,
hostname))
for i in range(itfCounter, len(args.guestinterface)):
(hostInterface, ipAddr, macAddr,
hostname) = self.unpackInterface(
args.guestinterface[itfCounter])
guestInterfaces.append(
NetworkInterface(ipAddr, macAddr, hostInterface,
hostname))
itfCounter += 1
else:
for i in range(0, template.getGuestInterfaces()):
(hostInterface, ipAddr, macAddr,
hostname) = self.requestInterface(networkInterfaces)
guestInterfaces.append(
NetworkInterface(ipAddr, macAddr, hostInterface,
hostname))
# Ask for additional network interfaces
if args.no_interactive == False:
for i in range(itfCounter, template.getGuestInterfaces()):
(hostInterface, ipAddr, macAddr,
hostname) = self.requestInterface(networkInterfaces)
guestInterfaces.append(
NetworkInterface(ipAddr, macAddr, hostInterface,
hostname))
else:
if (len(args.guestinterface) < template.getGuestInterfaces()):
COMMANDLINELOGGER.error(
"Not enough guestinterfaces given to fill requirement of template"
)
raise InvalidCmdLineArgument("guestinterface",
args.guestinterface)
if args.no_interactive == False:
# Ask for adding a new shared folder
while BinaryQuestion("Do you want to add a shared folder ?",
"Enter a Y or a N", COMMANDLINELOGGER,
"N").ask():
hostPathQues = PathQuestion(
"Enter a path to an existing folder on the host",
"Entered path is invalid, Please enter a valid path",
COMMANDLINELOGGER, ".+", None, True).ask()
guestPathQues = PathQuestion(
"Enter the mount path on the guest directory: ",
"Entered path is invalid, Please enter a valid path",
COMMANDLINELOGGER, "^/.+", None, False).ask()
sharedFolders.append(
SharedFolder(hostPathQues, guestPathQues))
if args.sharedfolder != None:
for s in args.sharedfolder:
sharedFolders.append(SharedFolder(s[0], s[1]))
else:
COMMANDLINELOGGER.error(
"Unable to create machine: MachineInstance template '{0}:{1}' does not exists"
.format(args.template, args.templateversion))
return (template, arch, osversion, provider, provisioner,
guestInterfaces, sharedFolders)
def requestProvisionner(self, args, template):
provisioner = template.getProvisioners()[0]
# If there is more than one provisioner available for the template
if len(template.getProvisioners()) == 1:
COMMANDLINELOGGER.debug(
"Template has only one provisioner. It will be used as the default value"
)
else:
if args.provisioner != None:
COMMANDLINELOGGER.debug(
"A provisioner has been given by the user.")
try:
provisioner = Provisioner.fromString(args.provisioner)()
except:
COMMANDLINELOGGER.debug(
"Given provisioner is not supported by machination.")
raise InvalidCmdLineArgument("provisioner",
args.provisioner)
if provisioner not in template.getProvisioners():
COMMANDLINELOGGER.debug(
"Given provisioner is not supported by this template.")
raise InvalidCmdLineArgument("provisioner",
args.provisioner)
else:
if args.no_interactive == False:
COMMANDLINELOGGER.debug(
"Request a provisioner to the user.")
provisioner = Provisioner.fromString(
RegexedQuestion(
"Select an Provisioner [{0}]".format(",".join(
map(str, template.getProvisioners()))),
"Provisioner must be from {0}".format(",".join(
map(str, template.getProvisioners()))),
COMMANDLINELOGGER, "[{0}]".format("\\b|\\b".join(
map(str, template.getProvisioners()))),
provisioner.name).ask())()
else:
COMMANDLINELOGGER.debug("Missing provisioner argument")
raise InvalidCmdLineArgument("provisioner",
args.provisioner)
return provisioner
def createMachineInstance(self, args):
res = 0
COMMANDLINELOGGER.info(
"Creating a new machine instance named '{0}' using template '{1}'".format(args.name, args.template)
)
# Creating the template and instances registries
try:
templates = []
instances = []
# Get templates
templates = MACHINE_TEMPLATE_REGISTRY.getTemplates()
COMMANDLINELOGGER.debug("Templates loaded.")
# Get instances
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
COMMANDLINELOGGER.debug("Instances loaded.")
w = MachineInstanceCreationWizard()
# Check if the instance is already in the registry
if args.force:
if args.name in instances.keys():
COMMANDLINELOGGER.error(
"Machine instance named '{0}' already exists but creation was forced so firstly machination will delete it.".format(
args.name
)
)
instances[args.name].destroy()
if args.force == False and args.name in instances.keys():
COMMANDLINELOGGER.error(
"Unable to create machine: MachineInstance named '{0}' already exists. Change the name of your new machine or delete the existing one.".format(
args.name
)
)
res = errno.EALREADY
else:
(template, arch, osversion, provider, provisioner, guestInterfaces, sharedFolders) = w.execute(
args, templates
)
# Try to create the new machine
instance = MachineInstance(
args.name, template, arch, osversion, provider, provisioner, guestInterfaces, sharedFolders
)
instance.create()
COMMANDLINELOGGER.info("MachineInstance successfully created:")
instances = MACHINE_INSTANCE_REGISTRY.getInstances()
COMMANDLINELOGGER.info(instances[args.name].getInfos())
except (KeyboardInterrupt, SystemExit):
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
except Exception as e:
COMMANDLINELOGGER.error("Unable to create machine instance '{0}': {1}.".format(args.name, str(e)))
if not args.verbose:
COMMANDLINELOGGER.info("Run with --verbose flag for more details")
COMMANDLINELOGGER.debug(traceback.format_exc())
res = errno.EINVAL
return res
