104 lines
2.9 KiB
Plaintext
104 lines
2.9 KiB
Plaintext
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#!/usr/bin/env python
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# Check for freshness of various components using needrestart
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import subprocess
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import re
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import json
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try:
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nrout = subprocess.run(["/usr/sbin/needrestart", "-b"], timeout=5, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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except subprocess.TimeoutExpired:
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exit(2)
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except Exception:
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exit(1)
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stdout = nrout.stdout.decode("ascii").split('\n')
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stderr = nrout.stdout.decode("ascii").split('\n')
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# Output data structure after parsing needrestart output
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data = {
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'kernel': {
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'current': None,
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'pending': None,
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'state': 0,
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},
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'microcode': {
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'current': None,
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'pending': None,
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'state': 0,
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},
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'services': {
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'count': 0,
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'list': list(),
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},
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'containers': {
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'count': 0,
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'list': list(),
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},
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'sessions': {
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'count': 0,
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'list': list(),
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},
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}
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# NEEDRESTART-VER: 3.4
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# NEEDRESTART-KCUR: 4.19.0-6-amd64
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# NEEDRESTART-KEXP: 4.19.0-20-amd64
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# NEEDRESTART-KSTA: 3
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# NEEDRESTART-UCSTA: 2
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# NEEDRESTART-UCCUR: 0xb000038
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# NEEDRESTART-UCEXP: 0xb000040
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# NEEDRESTART-SVC: acpid
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# NEEDRESTART-SVC: cron
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# NEEDRESTART-SVC: irqbalance
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# NEEDRESTART-SVC: mcelog
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# NEEDRESTART-SVC: munin-node
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# NEEDRESTART-SVC: ntp
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# NEEDRESTART-SVC: ssh
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# NEEDRESTART-SVC: syslog-ng
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# NEEDRESTART-SVC: trousers
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# NEEDRESTART-SVC: watchdog
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# NEEDRESTART-SVC: wd_keepalive
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# NEEDRESTART-CONT: LXC web1
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# NEEDRESTART-SESS: metabase @ user manager service
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# NEEDRESTART-SESS: root @ session #28017
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# STA:
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# 0: unknown or failed to detect
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# 1: no pending upgrade
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# 2: ABI compatible upgrade pending
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# 3: version upgrade pending
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for line in stdout:
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# Kernel version
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if re.match(r'^NEEDRESTART-KSTA', line):
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data['kernel']['state'] = int(line.split(': ')[-1])
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elif re.match(r'^NEEDRESTART-KCUR', line):
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data['kernel']['current'] = line.split(': ')[-1]
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elif re.match(r'^NEEDRESTART-KEXP', line):
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data['kernel']['pending'] = line.split(': ')[-1]
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# Microcode version
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elif re.match(r'^NEEDRESTART-UCSTA', line):
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data['microcode']['state'] = int(line.split(': ')[-1])
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elif re.match(r'^NEEDRESTART-UCCUR', line):
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data['microcode']['current'] = line.split(': ')[-1]
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elif re.match(r'^NEEDRESTART-UCEXP', line):
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data['microcode']['pending'] = line.split(': ')[-1]
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# Services needing restart
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elif re.match(r'^NEEDRESTART-SVC', line):
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data['services']['count'] += 1
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data['services']['list'].append(' '.join(line.split(': ')[1:]))
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# Containers needing restart
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elif re.match(f'^NEEDRESTART-CONT', line):
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data['containers']['count'] += 1
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data['containers']['list'].append(' '.join(line.split(': ')[1:]))
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# Sessions needing restart
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elif re.match(f'^NEEDRESTART-SESS', line):
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data['sessions']['count'] += 1
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data['sessions']['list'].append(' '.join(line.split(': ')[1:]))
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print("<<<freshness>>>")
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print(json.dumps(data))
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exit(0)
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