blob: ebd3d3d7fbd4df556e85af1fbcd755fa0ea6ce0b (
plain)
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
|
"""
Created on 2015-7-8
@author: y00228926
"""
import logging
import stevedore
LOG = logging.getLogger(__name__)
class PluginManager(object):
def __init__(self):
self.instance = None
self.saved = {}
def build(self, cfg):
scheme = cfg["scheme"]
if scheme in self.saved:
# reuse old instance
self.instance = self.saved[scheme]
else:
mgr = stevedore.driver.DriverManager(namespace="env_build.plugins",
name=scheme,
invoke_on_load=False)
self.instance = mgr.driver()
self.saved[scheme] = self.instance
self.instance.clean()
return self.instance.build(cfg)
def clean(self):
if self.instance:
self.instance.clean()
self.instance = None
if __name__ == "__main__":
import argparse
from vstf.controller.env_build.env_build import IntentParser
parser = argparse.ArgumentParser()
parser.add_argument('--config', help='config file to parse')
args = parser.parse_args()
logging.basicConfig(level=logging.INFO)
parser = IntentParser(args.config)
cfg_intent = parser.parse_cfg_file()
for host_cfg in cfg_intent['env-build']:
tn = PluginManager()
tn.build(host_cfg)
|
