def list(cls, cloud, start=None, end=None, tenant=None, format="table"):
# set the environment variables
set_os_environ(cloud)
try:
# execute the command
args = ["usage"]
if start is not None:
args.extend(["--start", start])
if end is not None:
args.extend(["--end", end])
if tenant is not None:
args.extend(["--tenant", tenant])
result = Shell.execute("nova", args)
result = Nova.remove_subjectAltName_warning(result)
lines = result.splitlines()
dates = lines[0]
# TODO: as stated below, nova returns additional lines,
# on my pc, SecurityWarning is returned, so filtering..
for l in lines[1:]:
if l.__contains__("SecurityWarning"):
lines.remove(l)
table = '\n'.join(lines[1:])
dates = dates.replace("Usage from ",
"").replace("to",
"").replace(" +",
" ")[:-1].split()
#
# TODO: for some reason the nova command has returned not the
# first + char, so we could not ignore the line we may set - as
# additional comment char, but that did not work
#
d = TableParser.convert(table, comment_chars="+#")
# d["0"]["start"] = "start"
# d["0"]["end"] = "end"
d["0"]["start"] = dates[0]
d["0"]["end"] = dates[1]
# del d['0']
return Printer.write(d,
order=[
"start", "end", "servers", "cpu hours",
"ram mb-hours", "disk gb-hours"
],
output=format)
except Exception as e:
return e
def list(cls, cloud, start=None, end=None, tenant=None, format="table"):
# set the environment variables
set_os_environ(cloud)
try:
# execute the command
args = ["usage"]
if start is not None:
args.extend(["--start", start])
if end is not None:
args.extend(["--end", end])
if tenant is not None:
args.extend(["--tenant", tenant])
result = Shell.execute("nova", args)
result = Nova.remove_subjectAltName_warning(result)
lines = result.splitlines()
dates = lines[0]
# TODO: as stated below, nova returns additional lines,
# on my pc, SecurityWarning is returned, so filtering..
for l in lines[1:]:
if l.__contains__("SecurityWarning"):
lines.remove(l)
table = '\n'.join(lines[1:])
dates = dates.replace("Usage from ", "").replace("to", "").replace(" +", " ")[:-1].split()
#
# TODO: for some reason the nova command has returned not the
# first + char, so we could not ignore the line we may set - as
# additional comment char, but that did not work
#
d = TableParser.convert(table, comment_chars="+#")
# d["0"]["start"] = "start"
# d["0"]["end"] = "end"
d["0"]["start"] = dates[0]
d["0"]["end"] = dates[1]
# del d['0']
return Printer.write(d,
order=["start",
"end",
"servers",
"cpu hours",
"ram mb-hours",
"disk gb-hours"],
output=format)
except Exception as e:
return e
def delete(cls, name=None, cloud="juno"):
"""
Method to delete a group from
the cloudmesh database
:param name:
:param cloud:
:return:
"""
try:
# group = cls.get(name=name, cloud=cloud)
args = {}
if name is not None:
args["name"] = name
if cloud is not None:
args["cloud"] = cloud
group = cls.cm.find("group", output="object", **args).first()
if group:
# Delete VM from cloud before deleting group
vm_ids = group.value.split(",")
for vm_id in vm_ids:
try:
# Submit request to delete VM
args = ["delete", vm_id]
# TODO: this is a bug as we should use VM class
result = Shell.execute("nova", args)
print(Nova.remove_subjectAltName_warning(result))
except Exception as e:
Console.error("Failed to delete VM {}, error: {}"
.format(vm_id, e))
continue
# Delete group record in local db
cls.cm.delete(group)
return "Delete Success"
else:
return None
except Exception as ex:
Console.error(ex.message, ex)
def do_nova(self, args, arguments):
"""
::
Usage:
nova set CLOUD
nova info [CLOUD] [--password]
nova help
nova [--group=GROUP] ARGUMENTS...
A simple wrapper for the openstack nova command
Arguments:
GROUP The group to add vms to
ARGUMENTS The arguments passed to nova
help Prints the nova manual
set reads the information from the current cloud
and updates the environment variables if
the cloud is an openstack cloud
info the environment values for OS
Options:
--group=GROUP Add VM to GROUP group
--password Prints the password
-v verbose mode
"""
# pprint(arguments)
cloud = arguments['CLOUD'] or Default.get_cloud()
if not cloud:
Console.error("Default cloud not set!")
return ""
group = arguments["--group"] or Default.get("group", category=cloud)
if not group:
Console.error("Default group not set!")
return ""
if arguments["help"]:
os.system("nova help")
return ""
elif arguments["info"]:
set_os_environ(cloud)
d = {}
#
# TODO: this naturally does not work as clouds will have
# different parameters. ALos it does not unset previous
# parameters from other clouds. See register
#
for attribute in [
'OS_USERNAME', 'OS_TENANT_NAME', 'OS_AUTH_URL',
'OS_CACERT', 'OS_PASSWORD', 'OS_REGION'
]:
try:
d[attribute] = os.environ[attribute]
except:
Console.warning(
"OS environment variable {:} not found".format(
attribute))
d[attribute] = None
if not arguments["--password"]:
d['OS_PASSWORD'] = "******"
print(row_table(d, order=None, labels=["Variable", "Value"]))
msg = "info. OK."
Console.ok(msg)
return ""
elif arguments["set"]:
if cloud:
set_os_environ(cloud)
msg = "{0} is set".format(cloud)
Console.ok(msg)
else:
Console.error("CLOUD is required")
else: # nova ARGUMENTS...
print("Cloud = {0}".format(cloud))
try:
set_os_environ(cloud)
args = arguments["ARGUMENTS"]
# arguments may contain multiple optional arguments
if len(args) == 1:
args = args[0].split()
result = Shell.execute("nova", args)
print(Nova.remove_subjectAltName_warning(result))
"""
If request for nova boot,
add the vm to group specified,
or else add to default group
"""
if "boot" in args:
# Logic to find ID of VM in the result
fields = []
for field in result.split("|"):
fields.append(field.strip())
index = fields.index('id') + 1
vm_id = fields[index]
# Add to group
Group.add(name=group, type="vm", id=vm_id, category=cloud)
except Exception as ex:
Console.error("Error executing Nova command: {}".format(ex))
return ""
def do_nova(self, args, arguments):
"""
::
Usage:
nova set CLOUD
nova info [CLOUD] [--password]
nova help
nova [--group=GROUP] ARGUMENTS...
A simple wrapper for the openstack nova command
Arguments:
GROUP The group to add vms to
ARGUMENTS The arguments passed to nova
help Prints the nova manual
set reads the information from the current cloud
and updates the environment variables if
the cloud is an openstack cloud
info the environment values for OS
Options:
--group=GROUP Add VM to GROUP group
--password Prints the password
-v verbose mode
"""
# pprint(arguments)
cloud = arguments['CLOUD'] or Default.get_cloud()
if not cloud:
Console.error("Default cloud not set!")
return ""
group = arguments["--group"] or Default.get("group", cloud=cloud)
if not group:
Console.error("Default group not set!")
return ""
if arguments["help"]:
os.system("nova help")
return ""
elif arguments["info"]:
set_os_environ(cloud)
d = {}
#
# TODO: this naturally does not work as clouds will have
# different parameters. ALos it does not unset previous
# parameters from other clouds. See register
#
for attribute in ['OS_USERNAME',
'OS_TENANT_NAME',
'OS_AUTH_URL',
'OS_CACERT',
'OS_PASSWORD',
'OS_REGION']:
try:
d[attribute] = os.environ[attribute]
except:
Console.warning("OS environment variable {:} not found"
.format(attribute))
d[attribute] = None
if not arguments["--password"]:
d['OS_PASSWORD'] = "******"
print(row_table(d, order=None, labels=["Variable", "Value"]))
msg = "info. OK."
Console.ok(msg)
return ""
elif arguments["set"]:
if cloud:
set_os_environ(cloud)
msg = "{0} is set".format(cloud)
Console.ok(msg)
else:
Console.error("CLOUD is required")
else: # nova ARGUMENTS...
print("Cloud = {0}".format(cloud))
try:
set_os_environ(cloud)
args = arguments["ARGUMENTS"]
# arguments may contain multiple optional arguments
if len(args) == 1:
args = args[0].split()
result = Shell.execute("nova", args)
print(Nova.remove_subjectAltName_warning(result))
"""
If request for nova boot,
add the vm to group specified,
or else add to default group
"""
if "boot" in args:
# Logic to find ID of VM in the result
fields = []
for field in result.split("|"):
fields.append(field.strip())
index = fields.index('id') + 1
vm_id = fields[index]
# Add to group
Group.add(name=group, type="vm", id=vm_id, cloud=cloud)
except Exception, ex:
Console.error("Error executing Nova command: {}".format(ex))
return ""
