Revision 225cea18 snf-cyclades-app/synnefo/management/common.py
b/snf-cyclades-app/synnefo/management/common.py | ||
---|---|---|
31 | 31 |
# interpreted as representing official policies, either expressed |
32 | 32 |
# or implied, of GRNET S.A. |
33 | 33 |
|
34 |
|
|
35 |
import ipaddr |
|
36 |
from datetime import datetime |
|
37 |
|
|
38 |
from django.utils.timesince import timesince, timeuntil |
|
39 |
|
|
40 | 34 |
from django.core.management import CommandError |
41 | 35 |
from synnefo.db.models import Backend, VirtualMachine, Network, Flavor |
42 | 36 |
from synnefo.api.util import get_image as backend_get_image |
43 | 37 |
from synnefo.api.faults import ItemNotFound, BadRequest, OverLimit |
44 |
from django.core.exceptions import FieldError |
|
45 | 38 |
|
46 | 39 |
from synnefo.api.util import validate_network_params |
47 | 40 |
from synnefo.settings import (CYCLADES_ASTAKOS_SERVICE_TOKEN as ASTAKOS_TOKEN, |
... | ... | |
49 | 42 |
from synnefo.logic.rapi import GanetiApiError, GanetiRapiClient |
50 | 43 |
from synnefo.lib import astakos |
51 | 44 |
|
52 |
from synnefo.util.text import uenc |
|
53 |
|
|
54 | 45 |
import logging |
55 | 46 |
log = logging.getLogger(__name__) |
56 | 47 |
|
57 | 48 |
|
58 |
def format_bool(b): |
|
59 |
return 'YES' if b else 'NO' |
|
60 |
|
|
61 |
|
|
62 |
def parse_bool(string): |
|
63 |
if string == "True": |
|
64 |
return True |
|
65 |
elif string == "False": |
|
66 |
return False |
|
67 |
else: |
|
68 |
raise Exception("Can not parse string %s to bool" % string) |
|
69 |
|
|
70 |
|
|
71 |
def format_date(d): |
|
72 |
if not d: |
|
73 |
return '' |
|
74 |
|
|
75 |
if d < datetime.now(): |
|
76 |
return timesince(d) + ' ago' |
|
77 |
else: |
|
78 |
return 'in ' + timeuntil(d) |
|
79 |
|
|
80 |
|
|
81 | 49 |
def format_vm_state(vm): |
82 | 50 |
if vm.operstate == "BUILD": |
83 | 51 |
return "BUILD(" + str(vm.buildpercentage) + "%)" |
... | ... | |
159 | 127 |
" available flavor IDs." % flavor_id) |
160 | 128 |
|
161 | 129 |
|
162 |
def filter_results(objects, filter_by): |
|
163 |
filter_list = filter_by.split(",") |
|
164 |
filter_dict = {} |
|
165 |
exclude_dict = {} |
|
166 |
|
|
167 |
def map_field_type(query): |
|
168 |
def fix_bool(val): |
|
169 |
if val.lower() in ("yes", "true", "t"): |
|
170 |
return True |
|
171 |
if val.lower() in ("no", "false", "f"): |
|
172 |
return False |
|
173 |
return val |
|
174 |
|
|
175 |
if "!=" in query: |
|
176 |
key, val = query.split("!=") |
|
177 |
exclude_dict[key] = fix_bool(val) |
|
178 |
return |
|
179 |
OP_MAP = { |
|
180 |
">=": "__gte", |
|
181 |
"=>": "__gte", |
|
182 |
">": "__gt", |
|
183 |
"<=": "__lte", |
|
184 |
"=<": "__lte", |
|
185 |
"<": "__lt", |
|
186 |
"=": "", |
|
187 |
} |
|
188 |
for op, new_op in OP_MAP.items(): |
|
189 |
if op in query: |
|
190 |
key, val = query.split(op) |
|
191 |
filter_dict[key + new_op] = fix_bool(val) |
|
192 |
return |
|
193 |
|
|
194 |
map(lambda x: map_field_type(x), filter_list) |
|
195 |
|
|
196 |
try: |
|
197 |
objects = objects.filter(**filter_dict) |
|
198 |
return objects.exclude(**exclude_dict) |
|
199 |
except FieldError as e: |
|
200 |
raise CommandError(e) |
|
201 |
except Exception as e: |
|
202 |
raise CommandError("Can not filter results: %s" % e) |
|
203 |
|
|
204 |
|
|
205 | 130 |
def check_backend_credentials(clustername, port, username, password): |
206 | 131 |
try: |
207 | 132 |
client = GanetiRapiClient(clustername, port, username, password) |
... | ... | |
218 | 143 |
" Ganeti Cluster name: %s" % info_name) |
219 | 144 |
|
220 | 145 |
|
221 |
def pprint_table(out, table, headers=None, separator=None): |
|
222 |
"""Print a pretty, aligned string representation of table. |
|
223 |
|
|
224 |
Works by finding out the max width of each column and padding to data |
|
225 |
to this value. |
|
226 |
""" |
|
227 |
|
|
228 |
assert(isinstance(table, (list, tuple))), "Invalid table type" |
|
229 |
sep = separator if separator else " " |
|
230 |
|
|
231 |
if headers: |
|
232 |
assert(isinstance(headers, (list, tuple))), "Invalid headers type" |
|
233 |
table.insert(0, headers) |
|
234 |
|
|
235 |
# Find out the max width of each column |
|
236 |
widths = [max(map(len, col)) for col in zip(*table)] |
|
237 |
|
|
238 |
t_length = sum(widths) + len(sep) * (len(widths) - 1) |
|
239 |
if headers: |
|
240 |
# pretty print the headers |
|
241 |
print >> out, sep.join((str(val).rjust(width) |
|
242 |
for val, width in zip(headers, widths))) |
|
243 |
print >> out, "-" * t_length |
|
244 |
# remove headers |
|
245 |
table = table[1:] |
|
246 |
|
|
247 |
# print the rest table |
|
248 |
for row in table: |
|
249 |
print >> out, sep.join(uenc(val.rjust(width)) |
|
250 |
for val, width in zip(row, widths)) |
|
251 |
|
|
252 |
|
|
253 | 146 |
class UserCache(object): |
254 | 147 |
"""uuid<->displayname user 'cache'""" |
255 | 148 |
|
Also available in: Unified diff