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https://github.com/munin-monitoring/contrib.git
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varnish: rename, use perlpod and minor changes
This commit is contained in:
Kim B. Heino
Lars Kruse
parent
b2a11780b3
commit
a92c9a9b67
1 changed files with 55 additions and 53 deletions
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@ -1,19 +1,43 @@
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#!/usr/bin/python3 -tt
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# -*- coding: utf-8 -*-
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#!/usr/bin/env python3
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# pylint: disable=invalid-name
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# pylint: enable=invalid-name
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""" Munin plugin to monitor Varnish 4 status.
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"""Munin plugin to monitor Varnish status.
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Copyright 2016, Kim B. Heino, b@bbbs.net, Foobar Oy
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License GPLv2+
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=head1 NAME
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varnish - monitor Varnish status
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=head1 APPLICABLE SYSTEMS
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Systems running Varnish cache.
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=head1 CONFIGURATION
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No configuration is required for this plugin.
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=head1 NOTES
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This plugin is tested on Varnish 4 but it should also work with v5 and v6.
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=head1 AUTHOR
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Kim B. Heino <b@bbbs.net>
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This is based heavily on varnish4_ plugin from Munin contrib
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by Kristian Lyngstol <kristian@bohemians.org> / Redpill Linpro AS.
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#%# capabilities=autoconf
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#%# family=auto
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=head1 LICENSE
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GPLv2
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=head1 MAGIC MARKERS
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#%# family=auto
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#%# capabilities=autoconf
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=cut
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"""
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# pylint: disable=invalid-name
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# pylint: enable=invalid-name
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import json
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import subprocess
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@ -41,12 +65,6 @@ def get_values():
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return {}
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def autoconf():
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"""Print "yes" or "no"."""
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status = 'yes' if get_values() else 'no'
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print(status)
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def config():
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"""Print plugin config."""
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# pylint: disable=too-many-statements
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@ -192,18 +210,16 @@ def config():
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print('n_objectcore.label Number of object cores')
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print('n_objectcore.type GAUGE')
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print('n_objecthead.label Number of object heads')
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print(
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'n_objecthead.info Each object head can have one or more object '
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'attached, typically based on the Vary: header')
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print('n_objecthead.info Each object head can have one or more object '
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'attached, typically based on the Vary: header')
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print('n_objecthead.type GAUGE')
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# request_rate
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print('multigraph varnish_request_rate')
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print('graph_category webserver')
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print('graph_title Request rates')
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print(
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'graph_order cache_hit cache_hitpass cache_miss backend_conn '
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'backend_unhealthy client_req client_conn')
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print('graph_order cache_hit cache_hitpass cache_miss backend_conn '
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'backend_unhealthy client_req client_conn')
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print('client_req.label Good client requests received')
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print('client_req.min 0')
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print('client_req.colour 111111')
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@ -238,10 +254,9 @@ def config():
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print('cache_hitpass.min 0')
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print('cache_hitpass.draw STACK')
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print('cache_hitpass.colour FFFF00')
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print(
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'cache_hitpass.info Hitpass are cached passes: An entry in the '
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'cache instructing Varnish to pass. Typically achieved after a '
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'pass in vcl_fetch.')
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print('cache_hitpass.info Hitpass are cached passes: An entry in the '
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'cache instructing Varnish to pass. Typically achieved after a '
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'pass in vcl_fetch.')
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print('cache_hitpass.type DERIVE')
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print('cache_hit.label Cache hits')
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print('cache_hit.min 0')
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@ -288,9 +303,8 @@ def config():
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print('s_resp_hdrbytes.min 0')
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print('s_resp_hdrbytes.draw STACK')
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print('s_resp_hdrbytes.cdef s_resp_hdrbytes,8,*')
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print(
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's_resp_hdrbytes.info HTTP Header traffic. TCP/IP overhead is not '
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'included.')
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print('s_resp_hdrbytes.info HTTP Header traffic. TCP/IP overhead is not '
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'included.')
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print('s_resp_hdrbytes.type DERIVE')
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# uptime
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@ -324,8 +338,7 @@ def fetch():
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'backend_reuse',
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'backend_req',
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):
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print('{0}.value {1}'.format(
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key, data['MAIN.' + key]['value']))
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print('{0}.value {1}'.format(key, data['MAIN.' + key]['value']))
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# bad
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print('multigraph varnish_bad')
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@ -344,12 +357,10 @@ def fetch():
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'threads_limited',
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'fetch_failed',
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):
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print('{0}.value {1}'.format(
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key, data['MAIN.' + key]['value']))
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print('{0}.value {1}'.format(key, data['MAIN.' + key]['value']))
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print('SMA_Transient_c_fail.value {0}'.format(
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data['SMA.Transient.c_fail']['value']))
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print('SMF_s0_c_fail.value {0}'.format(
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data['SMF.s0.c_fail']['value']))
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print('SMF_s0_c_fail.value {0}'.format(data['SMF.s0.c_fail']['value']))
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# expunge
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print('multigraph varnish_expunge')
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@ -357,8 +368,7 @@ def fetch():
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'n_lru_nuked',
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'n_expired',
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):
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print('{0}.value {1}'.format(
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key, data['MAIN.' + key]['value']))
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print('{0}.value {1}'.format(key, data['MAIN.' + key]['value']))
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# hit_rate
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print('multigraph varnish_hit_rate')
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@ -380,14 +390,10 @@ def fetch():
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data['SMA.Transient.g_bytes']['value']))
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print('SMA_Transient_g_space.value {0}'.format(
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data['SMA.Transient.g_space']['value']))
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print('SMF_s0_g_bytes.value {0}'.format(
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data['SMF.s0.g_bytes']['value']))
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print('sms_nbytes.value {0}'.format(
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data['MAIN.sms_nbytes']['value']))
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print('sms_balloc.value {0}'.format(
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data['MAIN.sms_balloc']['value']))
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print('SMF_s0_g_space.value {0}'.format(
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data['SMF.s0.g_space']['value']))
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print('SMF_s0_g_bytes.value {0}'.format(data['SMF.s0.g_bytes']['value']))
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print('sms_nbytes.value {0}'.format(data['MAIN.sms_nbytes']['value']))
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print('sms_balloc.value {0}'.format(data['MAIN.sms_balloc']['value']))
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print('SMF_s0_g_space.value {0}'.format(data['SMF.s0.g_space']['value']))
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print('SMA_Transient_c_bytes.value {0}'.format(
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data['SMA.Transient.c_bytes']['value']))
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@ -399,8 +405,7 @@ def fetch():
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'n_objectcore',
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'n_objecthead',
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):
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print('{0}.value {1}'.format(
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key, data['MAIN.' + key]['value']))
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print('{0}.value {1}'.format(key, data['MAIN.' + key]['value']))
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# request_rate
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print('multigraph varnish_request_rate')
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@ -415,8 +420,7 @@ def fetch():
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'cache_hitpass',
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'cache_hit',
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):
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print('{0}.value {1}'.format(
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key, data['MAIN.' + key]['value']))
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print('{0}.value {1}'.format(key, data['MAIN.' + key]['value']))
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# threads
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print('multigraph varnish_threads')
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@ -427,8 +431,7 @@ def fetch():
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'threads_limited',
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'threads',
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):
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print('{0}.value {1}'.format(
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key, data['MAIN.' + key]['value']))
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print('{0}.value {1}'.format(key, data['MAIN.' + key]['value']))
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# transfer_rates
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print('multigraph varnish_transfer_rates')
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@ -436,8 +439,7 @@ def fetch():
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's_resp_bodybytes',
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's_resp_hdrbytes',
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):
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print('{0}.value {1}'.format(
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key, data['MAIN.' + key]['value']))
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print('{0}.value {1}'.format(key, data['MAIN.' + key]['value']))
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# uptime
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print('multigraph varnish_uptime')
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@ -446,7 +448,7 @@ def fetch():
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if __name__ == '__main__':
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if len(sys.argv) > 1 and sys.argv[1] == 'autoconf':
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autoconf()
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print('yes' if get_values() else 'no (varnish is not running)')
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elif len(sys.argv) > 1 and sys.argv[1] == 'config':
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config()
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else:
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