# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
+"""OS scripts related commands"""
+
+# pylint: disable-msg=W0401,W0613,W0614,C0103
+# W0401: Wildcard import ganeti.cli
+# W0613: Unused argument, since all functions follow the same API
+# W0614: Unused import %s from wildcard import (since we need cli)
+# C0103: Invalid name gnt-os
import sys
-from optparse import make_option
from ganeti.cli import *
+from ganeti import constants
from ganeti import opcodes
-from ganeti import logger
-from ganeti import objects
from ganeti import utils
-from ganeti import errors
+
def ListOS(opts, args):
- """List the OSes existing on this node.
+ """List the valid OSes in the cluster.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should be an empty list
+ @rtype: int
+ @return: the desired exit code
"""
- op = opcodes.OpDiagnoseOS()
- result = SubmitOpCode(op)
+ op = opcodes.OpDiagnoseOS(output_fields=["name", "valid", "variants"],
+ names=[])
+ result = SubmitOpCode(op, opts=opts)
if not result:
- logger.ToStdout("Can't get the OS list")
+ ToStderr("Can't get the OS list")
return 1
- # filter non-valid OS-es
- oses = {}
- for node_name in result:
- oses[node_name] = [obj for obj in result[node_name]
- if isinstance(obj, objects.OS)]
-
- # Get intersection of all OSes
- fnode = oses.keys()[0]
- os_set = set([os_inst.name for os_inst in oses[fnode]])
- del oses[fnode]
- for node in oses:
- os_set &= set([os_inst.name for os_inst in oses[node]])
-
if not opts.no_headers:
headers = {"name": "Name"}
else:
headers = None
+ os_names = []
+ for (name, valid, variants) in result:
+ if valid:
+ os_names.extend([[n] for n in CalculateOSNames(name, variants)])
+
data = GenerateTable(separator=None, headers=headers, fields=["name"],
- data=[[os] for os in os_set])
+ data=os_names, units=None)
for line in data:
- logger.ToStdout(line)
+ ToStdout(line)
return 0
-def DiagnoseOS(opts, args):
- """Analyse all OSes on this cluster.
+
+def ShowOSInfo(opts, args):
+ """List detailed information about OSes in the cluster.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should be an empty list
+ @rtype: int
+ @return: the desired exit code
"""
- op = opcodes.OpDiagnoseOS()
- result = SubmitOpCode(op)
+ op = opcodes.OpDiagnoseOS(output_fields=["name", "valid", "variants",
+ "parameters", "api_versions"],
+ names=[])
+ result = SubmitOpCode(op, opts=opts)
if not result:
- logger.ToStdout("Can't get the OS list")
+ ToStderr("Can't get the OS list")
return 1
- format = "%-*s %-*s %s"
+ do_filter = bool(args)
- node_data = result
- all_os = {}
- for node_name in node_data:
- nr = node_data[node_name]
- if nr:
- for obj in nr:
- if isinstance(obj, objects.OS):
- os_name = obj.name
- else:
- os_name = obj.args[0]
- if os_name not in all_os:
- all_os[os_name] = {}
- all_os[os_name][node_name] = obj
+ for (name, valid, variants, parameters, api_versions) in result:
+ if do_filter:
+ if name not in args:
+ continue
+ else:
+ args.remove(name)
+ ToStdout("%s:", name)
+ ToStdout(" - valid: %s", valid)
+ if valid:
+ ToStdout(" - API versions:")
+ for version in sorted(api_versions):
+ ToStdout(" - %s", version)
+ ToStdout(" - variants:")
+ for vname in variants:
+ ToStdout(" - %s", vname)
+ ToStdout(" - parameters:")
+ for pname, pdesc in parameters:
+ ToStdout(" - %s: %s", pname, pdesc)
+ ToStdout("")
- max_name = len('Name')
- if all_os:
- max_name = max(max_name, max([len(name) for name in all_os]))
+ if args:
+ for name in args:
+ ToStdout("%s: ", name)
+ ToStdout("")
- max_node = len('Status/Node')
- max_node = max(max_node, max([len(name) for name in node_data]))
+ return 0
+
+
+def _OsStatus(status, diagnose):
+ """Beautifier function for OS status.
+
+ @type status: boolean
+ @param status: is the OS valid
+ @type diagnose: string
+ @param diagnose: the error message for invalid OSes
+ @rtype: string
+ @return: a formatted status
+
+ """
+ if status:
+ return "valid"
+ else:
+ return "invalid - %s" % diagnose
+
+def DiagnoseOS(opts, args):
+ """Analyse all OSes on this cluster.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should be an empty list
+ @rtype: int
+ @return: the desired exit code
- logger.ToStdout(format % (max_name, 'Name', max_node, 'Status/Node',
- 'Details'))
+ """
+ op = opcodes.OpDiagnoseOS(output_fields=["name", "valid", "variants",
+ "node_status"], names=[])
+ result = SubmitOpCode(op, opts=opts)
- for os_name in all_os:
- nodes_valid = []
+ if not result:
+ ToStderr("Can't get the OS list")
+ return 1
+
+ has_bad = False
+
+ for os_name, _, os_variants, node_data in result:
+ nodes_valid = {}
nodes_bad = {}
- for node_name in node_data:
- nos = all_os[os_name].get(node_name, None)
- if isinstance(nos, objects.OS):
- nodes_valid.append(node_name)
- elif isinstance(nos, errors.InvalidOS):
- nodes_bad[node_name] = nos.args[1]
+ nodes_hidden = {}
+ for node_name, node_info in node_data.iteritems():
+ nodes_hidden[node_name] = []
+ if node_info: # at least one entry in the per-node list
+ (fo_path, fo_status, fo_msg, fo_variants,
+ fo_params, fo_api) = node_info.pop(0)
+ fo_msg = "%s (path: %s)" % (_OsStatus(fo_status, fo_msg), fo_path)
+ if fo_api:
+ max_os_api = max(fo_api)
+ fo_msg += " [API versions: %s]" % utils.CommaJoin(fo_api)
+ else:
+ max_os_api = 0
+ fo_msg += " [no API versions declared]"
+ if max_os_api >= constants.OS_API_V15:
+ if fo_variants:
+ fo_msg += " [variants: %s]" % utils.CommaJoin(fo_variants)
+ else:
+ fo_msg += " [no variants]"
+ if max_os_api >= constants.OS_API_V20:
+ if fo_params:
+ fo_msg += (" [parameters: %s]" %
+ utils.CommaJoin([v[0] for v in fo_params]))
+ else:
+ fo_msg += " [no parameters]"
+ if fo_status:
+ nodes_valid[node_name] = fo_msg
+ else:
+ nodes_bad[node_name] = fo_msg
+ for hpath, hstatus, hmsg, _, _, _ in node_info:
+ nodes_hidden[node_name].append(" [hidden] path: %s, status: %s" %
+ (hpath, _OsStatus(hstatus, hmsg)))
else:
- nodes_bad[node_name] = "os dir not found"
+ nodes_bad[node_name] = "OS not found"
if nodes_valid and not nodes_bad:
status = "valid"
elif not nodes_valid and nodes_bad:
status = "invalid"
+ has_bad = True
else:
status = "partial valid"
- logger.ToStdout(format % (max_name, os_name, max_node, status, ""))
- nodes_valid = utils.NiceSort(nodes_valid)
- for node_name in nodes_valid:
- logger.ToStdout(format % (max_name, "", max_node, node_name, "valid"))
- nbk = utils.NiceSort(nodes_bad.keys())
- for node_name in nbk:
- logger.ToStdout(format % (max_name, "", max_node,
- node_name, nodes_bad[node_name]))
+ has_bad = True
+
+ def _OutputPerNodeOSStatus(msg_map):
+ map_k = utils.NiceSort(msg_map.keys())
+ for node_name in map_k:
+ ToStdout(" Node: %s, status: %s", node_name, msg_map[node_name])
+ for msg in nodes_hidden[node_name]:
+ ToStdout(msg)
+
+ ToStdout("OS: %s [global status: %s]", os_name, status)
+ if os_variants:
+ ToStdout(" Variants: [%s]" % utils.CommaJoin(os_variants))
+ _OutputPerNodeOSStatus(nodes_valid)
+ _OutputPerNodeOSStatus(nodes_bad)
+ ToStdout("")
+
+ return int(has_bad)
+
+
+def ModifyOS(opts, args):
+ """Modify OS parameters for one OS.
+
+ @param opts: the command line options selected by the user
+ @type args: list
+ @param args: should be a list with one entry
+ @rtype: int
+ @return: the desired exit code
+
+ """
+ os = args[0]
+
+ if opts.hvparams:
+ os_hvp = {os: dict(opts.hvparams)}
+ else:
+ os_hvp = None
+
+ if opts.osparams:
+ osp = {os: opts.osparams}
+ else:
+ osp = None
+
+ if not (os_hvp or osp):
+ ToStderr("At least one of OS parameters or hypervisor parameters"
+ " must be passed")
+ return 1
+
+ op = opcodes.OpSetClusterParams(vg_name=None,
+ enabled_hypervisors=None,
+ hvparams=None,
+ beparams=None,
+ nicparams=None,
+ candidate_pool_size=None,
+ os_hvp=os_hvp,
+ osparams=osp)
+ SubmitOpCode(op)
+
+ return 0
commands = {
- 'list': (ListOS, ARGS_NONE, [DEBUG_OPT, NOHDR_OPT], "",
- "Lists all valid OSes on the master"),
- 'diagnose': (DiagnoseOS, ARGS_NONE, [DEBUG_OPT], "",
- "Diagnose all OSes"),
+ 'list': (
+ ListOS, ARGS_NONE, [NOHDR_OPT], "", "Lists all valid operating systems"
+ " on the cluster"),
+ 'diagnose': (
+ DiagnoseOS, ARGS_NONE, [], "", "Diagnose all operating systems"),
+ 'info': (
+ ShowOSInfo, [ArgOs()], [], "", "Show detailed information about "
+ "operating systems"),
+ 'modify': (
+ ModifyOS, ARGS_ONE_OS, [HVLIST_OPT, OSPARAMS_OPT], "",
+ "Modify the OS parameters"),
}
if __name__ == '__main__':
projects / ganeti-local / blobdiff