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
|
#!/usr/bin/python
import sys
import argparse
import json
import os
import shutil
import random
import time
import conf
import ems_util
def do_activate_sw(sw_version_to_be_activated, ne_info):
"""
return err, reason
"""
installed_sw = ne_info.get("installedSw", {})
if sw_version_to_be_activated in installed_sw:
target_sw_version = installed_sw[sw_version_to_be_activated]["version"]
else:
target_sw_version = sw_version_to_be_activated
sw_install_dir_in_ne = conf.PNF_SIMULATORS_DIR + '/' + ne_info['omIP'] + conf.PNF_SW_INSTALL_DIR
target_sw_dir = sw_install_dir_in_ne + '/' + target_sw_version
if not os.path.isdir(target_sw_dir):
return True, "SW to be activated does not install"
if "targetSwVersion" in ne_info:
if ne_info["targetSwVersion"] != target_sw_version:
return True, "Conflicted targetVersion with to be activated %s" % target_sw_version
del ne_info["targetSwVersion"]
old_sw_version = ne_info.get("oldSwVersion", "")
if target_sw_version != ne_info["currentSwVersion"]:
ne_info["oldSwVersion"] = ne_info["currentSwVersion"]
ne_info["currentSwVersion"] = target_sw_version
ne_info["status"] = conf.STATUS_ACTIVATING
ems_util.update_ne_info(ne_info)
if target_sw_version != old_sw_version:
old_sw_dir = sw_install_dir_in_ne + '/' + old_sw_version
if old_sw_version and os.path.isdir(old_sw_dir):
shutil.rmtree(old_sw_dir, ignore_errors=True)
old_cwd = os.getcwd()
os.chdir(sw_install_dir_in_ne)
if os.path.islink(conf.CURRENT_VERSION_DIR):
os.remove(conf.CURRENT_VERSION_DIR)
os.symlink(target_sw_version, conf.CURRENT_VERSION_DIR)
os.chdir(old_cwd)
if "downloadedSwLocation" in ne_info:
if os.path.isdir(ne_info["downloadedSwLocation"]):
shutil.rmtree(ne_info["downloadedSwLocation"], ignore_errors=True)
del ne_info["downloadedSwLocation"]
return False, None
def generate_notification(activate_process_id, activate_status, sw_version, failure_reason):
notification = {
"objectClass": "EMSClass",
"objectInstance": "EMSInstance",
"notificationId": random.randint(1, conf.MAX_INT),
"eventTime": time.asctime(),
"systemDN": "emssimulator",
"notificationType": "notifyActivateNESwStatusChanged",
"activateProcessId": activate_process_id,
"activateOperationStatus": activate_status,
"swVersion": sw_version
}
if failure_reason:
notification["failureReason"] = failure_reason
return notification
def activate_ne_sw(sw_version_to_be_activated, ne_id):
ne_info = ems_util.get_ne_info_from_db_by_id(ne_id)
activate_process_id = random.randint(1, conf.MAX_INT)
result = conf.REQ_SUCCESS
ret_value = {
"activateProcessId": activate_process_id,
"result": result
}
if not ne_info:
ret_value["result"] = conf.REQ_FAILURE
ret_value["reason"] = "Can not find NE %s" % ne_id
return ret_value
err, reason = do_activate_sw(sw_version_to_be_activated, ne_info)
if not err:
ne_info["status"] = conf.STATUS_ACTIVATED
ems_util.update_ne_info(ne_info)
activate_status = "NE_SWACTIVATION_SUCCESSFUL"
else:
ret_value["result"] = conf.REQ_FAILURE
ret_value["reason"] = reason
activate_status = "NE_SWACTIVATION_FAILED"
notification = generate_notification(activate_process_id, activate_status, sw_version_to_be_activated, reason)
ems_util.send_notification(notification, activate_process_id)
# for automated software management, there is no listOfStepNumbersAndDurations
return ret_value
def main():
parser = argparse.ArgumentParser()
parser.add_argument("--swVersionToBeActivated", help="The NE software version to be activated", required=True)
parser.add_argument("--neIdentifier", help="The NE where the software can be activated", required=True)
args = parser.parse_args()
ret_value = activate_ne_sw(args.swVersionToBeActivated, args.neIdentifier)
print json.dumps(ret_value)
if ret_value["result"] == conf.REQ_SUCCESS:
sys.exit(conf.RET_CODE_SUCCESS)
else:
sys.exit(conf.RET_CODE_FAILURE)
if __name__ == '__main__':
main()
|