root / scripts / gnt-os @ 1abbbbe2
History | View | Annotate | Download (4.3 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 |
import sys |
23 |
from optparse import make_option |
24 |
|
25 |
from ganeti.cli import * |
26 |
from ganeti import opcodes |
27 |
from ganeti import logger |
28 |
from ganeti import objects |
29 |
from ganeti import utils |
30 |
from ganeti import errors |
31 |
|
32 |
|
33 |
def _DiagnoseByOS(rlist): |
34 |
"""Remap an OpDiagnoseOS() return list into an a per-os per-node dictionary |
35 |
|
36 |
Args: |
37 |
rlist: a map with nodes as keys and diagnoseobjects as values |
38 |
|
39 |
Returns: |
40 |
map: a map with osnames as keys and as value another map, with nodes as |
41 |
keys and diagnoseobjects as values |
42 |
e.g. {"debian-etch": {"node1": <object>, "node2": <object>}} |
43 |
|
44 |
""" |
45 |
all_os = {} |
46 |
for node_name, nr in rlist.iteritems(): |
47 |
if not nr: |
48 |
continue |
49 |
for os in nr: |
50 |
if os.name not in all_os: |
51 |
all_os[os.name] = {} |
52 |
if node_name not in all_os[os.name]: |
53 |
all_os[os.name][node_name] = [] |
54 |
all_os[os.name][node_name].append(os) |
55 |
|
56 |
return all_os |
57 |
|
58 |
|
59 |
def ListOS(opts, args): |
60 |
"""List the OSes existing on this node. |
61 |
|
62 |
""" |
63 |
op = opcodes.OpDiagnoseOS() |
64 |
result = SubmitOpCode(op) |
65 |
|
66 |
if not result: |
67 |
logger.ToStdout("Can't get the OS list") |
68 |
return 1 |
69 |
|
70 |
node_data = result |
71 |
num_nodes = len(node_data) |
72 |
all_os = _DiagnoseByOS(node_data) |
73 |
|
74 |
valid_os = [] |
75 |
for os_name, os_node_data in all_os.iteritems(): |
76 |
if len(os_node_data) != num_nodes: |
77 |
continue |
78 |
|
79 |
if utils.all(os_node_data.values(), lambda l: l[0]): |
80 |
valid_os.append(os_name) |
81 |
|
82 |
if not opts.no_headers: |
83 |
headers = {"name": "Name"} |
84 |
else: |
85 |
headers = None |
86 |
|
87 |
data = GenerateTable(separator=None, headers=headers, fields=["name"], |
88 |
data=[[os] for os in valid_os]) |
89 |
|
90 |
for line in data: |
91 |
logger.ToStdout(line) |
92 |
|
93 |
return 0 |
94 |
|
95 |
|
96 |
def DiagnoseOS(opts, args): |
97 |
"""Analyse all OSes on this cluster. |
98 |
|
99 |
""" |
100 |
op = opcodes.OpDiagnoseOS() |
101 |
result = SubmitOpCode(op) |
102 |
|
103 |
if not result: |
104 |
logger.ToStdout("Can't get the OS list") |
105 |
return 1 |
106 |
|
107 |
node_data = result |
108 |
all_os = _DiagnoseByOS(node_data) |
109 |
|
110 |
has_bad = False |
111 |
|
112 |
for os_name in all_os: |
113 |
nodes_valid = {} |
114 |
nodes_bad = {} |
115 |
for node_name in node_data: |
116 |
if node_name in all_os[os_name]: |
117 |
first_os = all_os[os_name][node_name].pop(0) |
118 |
first_os_msg = ("%s (path: %s)" % |
119 |
(first_os.status, first_os.path)) |
120 |
if first_os: |
121 |
nodes_valid[node_name] = first_os_msg |
122 |
else: |
123 |
nodes_bad[node_name] = first_os_msg |
124 |
else: |
125 |
nodes_bad[node_name] = "OS not found" |
126 |
|
127 |
if nodes_valid and not nodes_bad: |
128 |
status = "valid" |
129 |
elif not nodes_valid and nodes_bad: |
130 |
status = "invalid" |
131 |
has_bad = True |
132 |
else: |
133 |
status = "partial valid" |
134 |
has_bad = True |
135 |
|
136 |
def _OutputNodeHiddenOSStatus(dobj_list): |
137 |
for dobj in dobj_list: |
138 |
logger.ToStdout(" [hidden] path: %s, status: %s" % |
139 |
(dobj.path, dobj.status)) |
140 |
|
141 |
def _OutputPerNodeOSStatus(msg_map): |
142 |
map_k = utils.NiceSort(msg_map.keys()) |
143 |
for node_name in map_k: |
144 |
logger.ToStdout(" Node: %s, status: %s" % |
145 |
(node_name, msg_map[node_name])) |
146 |
if node_name in all_os[os_name]: |
147 |
_OutputNodeHiddenOSStatus(all_os[os_name][node_name]) |
148 |
|
149 |
logger.ToStdout("OS: %s [global status: %s]" % (os_name, status)) |
150 |
_OutputPerNodeOSStatus(nodes_valid) |
151 |
_OutputPerNodeOSStatus(nodes_bad) |
152 |
logger.ToStdout("") |
153 |
|
154 |
return int(has_bad) |
155 |
|
156 |
|
157 |
commands = { |
158 |
'list': (ListOS, ARGS_NONE, [DEBUG_OPT, NOHDR_OPT], "", |
159 |
"Lists all valid OSes on the master"), |
160 |
'diagnose': (DiagnoseOS, ARGS_NONE, [DEBUG_OPT], "", |
161 |
"Diagnose all OSes"), |
162 |
} |
163 |
|
164 |
if __name__ == '__main__': |
165 |
sys.exit(GenericMain(commands)) |