5 squid_url="cache_object://$squid_host:$squid_port/counters"
9 nc $squid_host $squid_port <<EOF
10 GET $squid_url HTTP/1.0
11 Host: $squid_host:$squid_port
13 User-Agent: netdata (charts.d/squid.chart.sh)
19 # check once if the url works
20 local x="$(squid_get_stats | grep client_http.requests)"
21 if [ ! $? -eq 0 -o -z "$x" ]
23 echo >&2 "squid: cannot fetch URL '$squid_url' by connecting to $squid_host:$squid_port. Please set squid_url='url' and squid_host='host' and squid_port='port' in $confd/squid.conf"
33 CHART squid.clients_net '' "Squid Client Bandwidth" "kilobits / $squid_update_every sec" squid '' area 20001 $squid_update_every
34 DIMENSION client_http_kbytes_in in incremental 8 $((1 * squid_update_every))
35 DIMENSION client_http_kbytes_out out incremental -8 $((1 * squid_update_every))
36 DIMENSION client_http_hit_kbytes_out hits incremental -8 $((1 * squid_update_every))
38 CHART squid.clients_requests '' "Squid Client Requests" "requests / $squid_update_every sec" squid '' line 20003 $squid_update_every
39 DIMENSION client_http_requests requests incremental 1 $((1 * squid_update_every))
40 DIMENSION client_http_hits hits incremental 1 $((1 * squid_update_every))
41 DIMENSION client_http_errors errors incremental -1 $((1 * squid_update_every))
43 CHART squid.servers_net '' "Squid Server Bandwidth" "kilobits / $squid_update_every sec" squid '' area 20002 $squid_update_every
44 DIMENSION server_all_kbytes_in in incremental 8 $((1 * squid_update_every))
45 DIMENSION server_all_kbytes_out out incremental -8 $((1 * squid_update_every))
47 CHART squid.servers_requests '' "Squid Server Requests" "requests / $squid_update_every sec" squid '' line 20004 $squid_update_every
48 DIMENSION server_all_requests requests incremental 1 $((1 * squid_update_every))
49 DIMENSION server_all_errors errors incremental -1 $((1 * squid_update_every))
57 # the first argument to this function is the microseconds since last update
58 # pass this parameter to the BEGIN statement (see bellow).
60 # do all the work to collect / calculate the values
62 # remember: KEEP IT SIMPLE AND SHORT
64 # 1. wget the counters page from squid
65 # 2. sed to remove spaces; replace . with _; remove spaces around =; prepend each line with: local squid_
66 # 3. egrep lines starting with:
67 # local squid_client_http_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
68 # local squid_server_all_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
69 # 4. then execute this as a script with the eval
71 # be very carefull with eval:
72 # prepare the script and always grep at the end the lines that are usefull, so that
73 # even if something goes wrong, no other code can be executed
75 eval "$(squid_get_stats |\
76 sed -e "s/ \+/ /g" -e "s/\./_/g" -e "s/^\([a-z0-9_]\+\) *= *\([0-9]\+\)$/local squid_\1=\2/g" |\
77 egrep "^local squid_(client_http|server_all)_[a-z0-9_]+=[0-9]+$")"
79 # write the result of the work.
81 BEGIN squid.clients_net $1
82 SET client_http_kbytes_in = $squid_client_http_kbytes_in
83 SET client_http_kbytes_out = $squid_client_http_kbytes_out
84 SET client_http_hit_kbytes_out = $squid_client_http_hit_kbytes_out
87 BEGIN squid.clients_requests $1
88 SET client_http_requests = $squid_client_http_requests
89 SET client_http_hits = $squid_client_http_hits
90 SET client_http_errors = $squid_client_http_errors
93 BEGIN squid.servers_net $1
94 SET server_all_kbytes_in = $squid_server_all_kbytes_in
95 SET server_all_kbytes_out = $squid_server_all_kbytes_out
98 BEGIN squid.servers_requests $1
99 SET server_all_requests = $squid_server_all_requests
100 SET server_all_errors = $squid_server_all_errors