3 squid_url="http://127.0.0.1:8080/squid-internal-mgr/counters"
6 # check once if the url works
7 wget 2>/dev/null -O /dev/null "$squid_url"
10 echo >&2 "squid: cannot fetch the counters url: $squid_url. Please set squid_url='url' in $confd/squid.conf"
20 CHART squid.clients_net '' "Squid Client Bandwidth" "kilobits/s" squid '' area 20001 $update_every
21 DIMENSION client_http_kbytes_in in incremental 8 1
22 DIMENSION client_http_kbytes_out out incremental -8 1
23 DIMENSION client_http_hit_kbytes_out hits incremental -8 1
25 CHART squid.clients_requests '' "Squid Client Requests" "requests/s" squid '' line 20003 $update_every
26 DIMENSION client_http_requests requests incremental-no-interpolation 1 1
27 DIMENSION client_http_hits hits incremental-no-interpolation 1 1
28 DIMENSION client_http_errors errors incremental-no-interpolation -1 1
30 CHART squid.servers_net '' "Squid Server Bandwidth" "kilobits/s" squid '' area 20002 $update_every
31 DIMENSION server_all_kbytes_in in incremental 8 1
32 DIMENSION server_all_kbytes_out out incremental -8 1
34 CHART squid.servers_requests '' "Squid Server Requests" "requests/s" squid '' line 20004 $update_every
35 DIMENSION server_all_requests requests incremental-no-interpolation 1 1
36 DIMENSION server_all_errors errors incremental-no-interpolation -1 1
44 # the first argument to this function is the microseconds since last update
45 # pass this parameter to the BEGIN statement (see bellow).
47 # do all the work to collect / calculate the values
49 # remember: KEEP IT SIMPLE AND SHORT
51 # 1. wget the counters page from squid
52 # 2. sed to remove spaces; replace . with _; remove spaces around =; prepend each line with: local squid_
53 # 3. egrep lines starting with:
54 # local squid_client_http_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
55 # local squid_server_all_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
56 # 4. then execute this as a script with the eval
58 # be very carefull with eval:
59 # prepare the script and always grep at the end the lines that are usefull, so that
60 # even if something goes wrong, no other code can be executed
62 eval "`wget 2>/dev/null -O - "$squid_url" |\
63 sed -e "s/ \+/ /g" -e "s/\./_/g" -e "s/ = /=/g" -e "s/^/local squid_/g" |\
64 egrep "^local squid_(client_http|server_all)_[a-z0-9_]+=[0-9]+$"`"
66 # write the result of the work.
68 BEGIN squid.clients_net $1
69 SET client_http_kbytes_in = $squid_client_http_kbytes_in
70 SET client_http_kbytes_out = $squid_client_http_kbytes_out
71 SET client_http_hit_kbytes_out = $squid_client_http_hit_kbytes_out
74 BEGIN squid.clients_requests $1
75 SET client_http_requests = $squid_client_http_requests
76 SET client_http_hits = $squid_client_http_hits
77 SET client_http_errors = $squid_client_http_errors
80 BEGIN squid.servers_net $1
81 SET server_all_kbytes_in = $squid_server_all_kbytes_in
82 SET server_all_kbytes_out = $squid_server_all_kbytes_out
85 BEGIN squid.servers_requests $1
86 SET server_all_requests = $squid_server_all_requests
87 SET server_all_errors = $squid_server_all_errors