4 # Copyright (C) 2006, 2007 Google Inc.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 # pylint: disable-msg=W0401,W0614
23 # W0401: Wildcard import ganeti.cli
24 # W0614: Unused import %s from wildcard import (since we need cli)
27 from optparse import make_option
29 from ganeti.cli import *
30 from ganeti import opcodes
31 from ganeti import utils
32 from ganeti import constants
35 def ListOS(opts, args):
36 """List the OSes existing on this node.
39 op = opcodes.OpDiagnoseOS(output_fields=["name", "valid"], names=[])
40 result = SubmitOpCode(op)
43 ToStderr("Can't get the OS list")
46 if not opts.no_headers:
47 headers = {"name": "Name"}
51 data = GenerateTable(separator=None, headers=headers, fields=["name"],
52 data=[[row[0]] for row in result if row[1]])
60 def DiagnoseOS(opts, args):
61 """Analyse all OSes on this cluster.
64 op = opcodes.OpDiagnoseOS(output_fields=["name", "valid", "node_status"],
66 result = SubmitOpCode(op)
69 ToStderr("Can't get the OS list")
74 for os_name, os_valid, node_data in result:
78 for node_name, node_info in node_data.iteritems():
79 nodes_hidden[node_name] = []
80 if node_info: # at least one entry in the per-node list
81 first_os_status, first_os_path = node_info.pop(0)
82 first_os_msg = ("%s (path: %s)" %
83 (first_os_status, first_os_path))
84 if first_os_status == constants.OS_VALID_STATUS:
85 nodes_valid[node_name] = first_os_msg
87 nodes_bad[node_name] = first_os_msg
88 for hstatus, hpath in node_info:
89 nodes_hidden[node_name].append(" [hidden] path: %s, status: %s" %
92 nodes_bad[node_name] = "OS not found"
94 if nodes_valid and not nodes_bad:
96 elif not nodes_valid and nodes_bad:
100 status = "partial valid"
103 def _OutputPerNodeOSStatus(msg_map):
104 map_k = utils.NiceSort(msg_map.keys())
105 for node_name in map_k:
106 ToStdout(" Node: %s, status: %s", node_name, msg_map[node_name])
107 for msg in nodes_hidden[node_name]:
110 ToStdout("OS: %s [global status: %s]", os_name, status)
111 _OutputPerNodeOSStatus(nodes_valid)
112 _OutputPerNodeOSStatus(nodes_bad)
119 'list': (ListOS, ARGS_NONE, [DEBUG_OPT, NOHDR_OPT], "",
120 "Lists all valid OSes on the master"),
121 'diagnose': (DiagnoseOS, ARGS_NONE, [DEBUG_OPT], "",
122 "Diagnose all OSes"),
125 if __name__ == '__main__':
126 sys.exit(GenericMain(commands))