1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
# -*- coding: utf-8 -*-
from __future__ import absolute_import
from hostinfo import prefix
def _get_full_key(prev_key, key):
if prev_key == '':
return key
return "%s.%s" % (prev_key, key)
def _sort_with_list(iterable, sort):
def helper(value):
if sort is None:
return value
(key, _) = value
if key in sort:
return sort.index(key)
return "%d %s" % (len(sort), key)
return sorted(iterable, key=helper)
def _space(filter_key, full_key, printer, force=False):
if filter_key is None and full_key == '':
printer.space(force)
def _group_by(value, group, display_check, print_value):
groups = {}
for elem in value:
key = group(elem)
if key is not None and display_check(key):
groups.setdefault(key, []).append(print_value(elem))
return groups
class Printer:
labels = {
'hostname': 'Hostname',
'arch': 'Architecture',
'os': 'Operating System',
'addresses': 'IPs',
'ports': 'Ports',
'vserver': 'VServer',
'services': 'Services',
'maintainers': 'Maintainers',
'description': 'Description'
}
ignore = ['vserver_host', 'groups']
def __init__(self, data, flags):
self.data = data
self.flags = flags
prefix.Printer.flags = flags
def cb_print_addresses(self, value, full_key, filter_key):
def _group_ip(address):
if 'vserver' not in address:
return address['interface']
else:
return None
def _print_ip(address):
return '%s/%s' % (address['address'], address['netmask'])
display_check = self._is_group_displayed(full_key, filter_key)
return _group_by(value, _group_ip, display_check, _print_ip)
def cb_print_ports(self, value, full_key, filter_key):
def _group_port(port):
if 'process' in port:
return port['process']
else:
return 'UNKNOWN'
def _print_port(port):
if port['proto'] in ['tcp6', 'udp6']:
return '(%s) [%s]:%s' % (port['proto'].replace('6', ''),
port['ip'], port['port'])
return '(%s) %s:%s' % (port['proto'], port['ip'], port['port'])
display_check = self._is_group_displayed(full_key, filter_key)
return (_group_by(value, _group_port, display_check, _print_port),
['sshd', 'nrpe', 'munin-node'])
def cb_print_vserver(self, value, full_key, filter_key):
if value == 'guest' and 'vserver_host' in self.data and \
self.data['vserver_host'] is not None:
return 'guest running on %s' % self.data['vserver_host']
else:
return value
def _should_display(self, full_key, filter_key=None):
if full_key not in self.ignore:
return True
if filter_key is not None and filter_key.startswith(full_key):
return True
return False
def _is_group_displayed(self, prev_key, filter_key):
return (lambda key: self._should_display(_get_full_key(prev_key, key),
filter_key))
def _print(self, value, printer, filter_key=None, sort=None):
try:
value = value.strip().splitlines()
except AttributeError:
pass
if isinstance(value, dict):
self._print_dict(value, printer, filter_key, sort)
elif isinstance(value, list):
self._print_list(value, printer, filter_key)
elif value is None:
if 'verbose' in self.flags:
printer.pprint('')
else:
self._print_value(value, printer, filter_key)
def _print_key(self, key, value, printer, filter_key):
sort = None
try:
method = getattr(self, 'cb_print_%s' % key.replace('.', '_'))
result = method(value, printer.full_key, filter_key)
if isinstance(result, tuple):
value, sort = result
else:
value = result
except AttributeError:
pass
self._print(value, printer, filter_key, sort)
def _print_value(self, value, printer, filter_key):
full_key = _get_full_key(printer.full_key, value)
if self._should_display(full_key, filter_key) and \
filter_key is None or full_key == filter_key:
printer.pprint(value)
def _print_list(self, values, printer, filter_key):
for value in values:
if isinstance(value, str):
self._print_value(value, printer, filter_key)
else:
self._print(value, printer, filter_key)
def _print_dict(self, value, printer, filter_key, sort):
keys = _sort_with_list(
[(key, full_key) for key in value.keys()
for full_key in [_get_full_key(printer.full_key, key)]
if self._should_display(full_key, filter_key)],
sort)
if len(keys) == 0:
return
maxlength = max([len(self._get_label(key, full_key)) \
for (key, full_key) in keys])
_space(filter_key, printer.full_key, printer, True)
for (key, full_key) in keys:
new_filter_key = None
if filter_key is not None:
if filter_key.startswith(full_key + '.'):
new_filter_key = filter_key
elif full_key != filter_key:
continue
new_printer = prefix.Printer(full_key, printer)
if filter_key is None:
new_printer.set_label(self._get_label(key, full_key), maxlength)
self._print_key(full_key, value[key], new_printer, new_filter_key)
_space(filter_key, printer.full_key, new_printer)
def _get_label(self, key, full_key):
if full_key in self.labels:
return self.labels[full_key]
return key
def info(self, key):
self._print(self.data, prefix.Printer(),
filter_key=key,
sort=['hostname', 'arch', 'os', 'addresses', 'ports'])
|
