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executable file 72 lines (60 sloc) 2.451 kB
#!/usr/bin/env python
# License check - loads in the xapi license file and creates a message if the license
# is about to expire. No error checking done at the moment.
import os, re, subprocess, sys, syslog, time, traceback
from xml.dom import minidom
gpg_binary_path="/usr/bin/gpg"
gpg_homedir="@OPTDIR@/gpg"
gpg_pub_keyring=gpg_homedir + "/pubring.gpg"
license_file="@ETCDIR@/license"
expiry_message_name="LICENSE_EXPIRES_SOON"
def match_installation(s):
regex = re.compile("^INSTALLATION_UUID")
return regex.search(s, 0)
def get_localhost():
filename = '@INVENTORY@'
try:
f = open(filename, 'r')
except:
raise "Couldn't open inventory!"
localhost = ''
for line in filter(match_installation, f.readlines()):
localhost = line.split("'")[1]
if not localhost:
raise "Couldn't find installation uuid!"
return localhost
def log_err(err):
print >>sys.stderr, err
syslog.syslog(syslog.LOG_USER | syslog.LOG_ERR, "%s: %s" % (sys.argv[0], err))
def doexec(args, inputtext=None):
"""Execute a subprocess, then return its return code, stdout and stderr"""
proc = subprocess.Popen(args,stdin=subprocess.PIPE,stdout=subprocess.PIPE,stderr=subprocess.PIPE,close_fds=True)
(stdout,stderr) = proc.communicate(inputtext)
rc = proc.returncode
return (rc,stdout,stderr)
def unsign_license(license_file):
(rc,stdout,stderr) = doexec([gpg_binary_path, "--homedir", gpg_homedir, "--no-default-keyring",
"--keyring", gpg_pub_keyring, "--decrypt", license_file])
return (rc,stdout,stderr)
def main():
(rc,stdout,stderr) = unsign_license(license_file)
if rc == 0:
xmldoc = minidom.parseString(stdout)
currenttime=time.time()
lic=xmldoc.getElementsByTagName("xe_license")[0]
expiry=float(lic.getAttribute("expiry"))
timeleft=expiry-currenttime
if (timeleft < 24.0 * 3600.0 * 30.0 and timeleft > 0):
localhost=get_localhost()
doexec(["xe","message-create","host-uuid=%s" % localhost, "name=%s" % expiry_message_name, "priority=10", "body=Your license will expire in %.0f days" % (timeleft / (24.0 * 3600.0))])
return 0
if __name__ == '__main__':
rc = 1
try:
rc = main()
except:
ex = sys.exc_info()
err = traceback.format_exception(*ex)
for exline in err:
log_err(exline)
sys.exit(rc)
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