root / scripts / gnt-os @ f34901f8
History | View | Annotate | Download (3.9 kB)
1 |
#!/usr/bin/python |
---|---|
2 |
# |
3 |
|
4 |
# Copyright (C) 2006, 2007 Google Inc. |
5 |
# |
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. |
10 |
# |
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. |
15 |
# |
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 |
19 |
# 02110-1301, USA. |
20 |
|
21 |
|
22 |
# pylint: disable-msg=W0401,W0614 |
23 |
# W0401: Wildcard import ganeti.cli |
24 |
# W0614: Unused import %s from wildcard import (since we need cli) |
25 |
|
26 |
import sys |
27 |
from optparse import make_option |
28 |
|
29 |
from ganeti.cli import * |
30 |
from ganeti import opcodes |
31 |
from ganeti import utils |
32 |
from ganeti import constants |
33 |
|
34 |
|
35 |
def ListOS(opts, args): |
36 |
"""List the valid OSes in the cluster. |
37 |
|
38 |
@param opts: the command line options selected by the user |
39 |
@type args: list |
40 |
@param args: should be an empty list |
41 |
@rtype: int |
42 |
@return: the desired exit code |
43 |
|
44 |
""" |
45 |
op = opcodes.OpDiagnoseOS(output_fields=["name", "valid"], names=[]) |
46 |
result = SubmitOpCode(op) |
47 |
|
48 |
if not result: |
49 |
ToStderr("Can't get the OS list") |
50 |
return 1 |
51 |
|
52 |
if not opts.no_headers: |
53 |
headers = {"name": "Name"} |
54 |
else: |
55 |
headers = None |
56 |
|
57 |
data = GenerateTable(separator=None, headers=headers, fields=["name"], |
58 |
data=[[row[0]] for row in result if row[1]], |
59 |
units=None) |
60 |
|
61 |
for line in data: |
62 |
ToStdout(line) |
63 |
|
64 |
return 0 |
65 |
|
66 |
|
67 |
def DiagnoseOS(opts, args): |
68 |
"""Analyse all OSes on this cluster. |
69 |
|
70 |
@param opts: the command line options selected by the user |
71 |
@type args: list |
72 |
@param args: should be an empty list |
73 |
@rtype: int |
74 |
@return: the desired exit code |
75 |
|
76 |
""" |
77 |
op = opcodes.OpDiagnoseOS(output_fields=["name", "valid", "node_status"], |
78 |
names=[]) |
79 |
result = SubmitOpCode(op) |
80 |
|
81 |
if not result: |
82 |
ToStderr("Can't get the OS list") |
83 |
return 1 |
84 |
|
85 |
has_bad = False |
86 |
|
87 |
for os_name, os_valid, node_data in result: |
88 |
nodes_valid = {} |
89 |
nodes_bad = {} |
90 |
nodes_hidden = {} |
91 |
for node_name, node_info in node_data.iteritems(): |
92 |
nodes_hidden[node_name] = [] |
93 |
if node_info: # at least one entry in the per-node list |
94 |
first_os_status, first_os_path = node_info.pop(0) |
95 |
first_os_msg = ("%s (path: %s)" % |
96 |
(first_os_status, first_os_path)) |
97 |
if first_os_status == constants.OS_VALID_STATUS: |
98 |
nodes_valid[node_name] = first_os_msg |
99 |
else: |
100 |
nodes_bad[node_name] = first_os_msg |
101 |
for hstatus, hpath in node_info: |
102 |
nodes_hidden[node_name].append(" [hidden] path: %s, status: %s" % |
103 |
(hpath, hstatus)) |
104 |
else: |
105 |
nodes_bad[node_name] = "OS not found" |
106 |
|
107 |
if nodes_valid and not nodes_bad: |
108 |
status = "valid" |
109 |
elif not nodes_valid and nodes_bad: |
110 |
status = "invalid" |
111 |
has_bad = True |
112 |
else: |
113 |
status = "partial valid" |
114 |
has_bad = True |
115 |
|
116 |
def _OutputPerNodeOSStatus(msg_map): |
117 |
map_k = utils.NiceSort(msg_map.keys()) |
118 |
for node_name in map_k: |
119 |
ToStdout(" Node: %s, status: %s", node_name, msg_map[node_name]) |
120 |
for msg in nodes_hidden[node_name]: |
121 |
ToStdout(msg) |
122 |
|
123 |
ToStdout("OS: %s [global status: %s]", os_name, status) |
124 |
_OutputPerNodeOSStatus(nodes_valid) |
125 |
_OutputPerNodeOSStatus(nodes_bad) |
126 |
ToStdout("") |
127 |
|
128 |
return int(has_bad) |
129 |
|
130 |
|
131 |
commands = { |
132 |
'list': (ListOS, ARGS_NONE, [DEBUG_OPT, NOHDR_OPT], "", |
133 |
"Lists all valid OSes on the master"), |
134 |
'diagnose': (DiagnoseOS, ARGS_NONE, [DEBUG_OPT], "", |
135 |
"Diagnose all OSes"), |
136 |
} |
137 |
|
138 |
if __name__ == '__main__': |
139 |
sys.exit(GenericMain(commands)) |