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 require_cmd nc || return 1
20 require_cmd sed || return 1
21 require_cmd egrep || return 1
23 squid_url="cache_object://$squid_host:$squid_port/counters"
25 # check once if the url works
26 local x="$(squid_get_stats | grep client_http.requests)"
27 if [ ! $? -eq 0 -o -z "$x" ]
29 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"
39 CHART squid.clients_net '' "Squid Client Bandwidth" "kilobits / sec" squid '' area 20001 $squid_update_every
40 DIMENSION client_http_kbytes_in in incremental 8 $((1 * squid_update_every))
41 DIMENSION client_http_kbytes_out out incremental -8 $((1 * squid_update_every))
42 DIMENSION client_http_hit_kbytes_out hits incremental -8 $((1 * squid_update_every))
44 CHART squid.clients_requests '' "Squid Client Requests" "requests / sec" squid '' line 20003 $squid_update_every
45 DIMENSION client_http_requests requests incremental 1 $((1 * squid_update_every))
46 DIMENSION client_http_hits hits incremental 1 $((1 * squid_update_every))
47 DIMENSION client_http_errors errors incremental -1 $((1 * squid_update_every))
49 CHART squid.servers_net '' "Squid Server Bandwidth" "kilobits / sec" squid '' area 20002 $squid_update_every
50 DIMENSION server_all_kbytes_in in incremental 8 $((1 * squid_update_every))
51 DIMENSION server_all_kbytes_out out incremental -8 $((1 * squid_update_every))
53 CHART squid.servers_requests '' "Squid Server Requests" "requests / sec" squid '' line 20004 $squid_update_every
54 DIMENSION server_all_requests requests incremental 1 $((1 * squid_update_every))
55 DIMENSION server_all_errors errors incremental -1 $((1 * squid_update_every))
63 # the first argument to this function is the microseconds since last update
64 # pass this parameter to the BEGIN statement (see bellow).
66 # do all the work to collect / calculate the values
68 # remember: KEEP IT SIMPLE AND SHORT
70 # 1. get the counters page from squid
71 # 2. sed to remove spaces; replace . with _; remove spaces around =; prepend each line with: local squid_
72 # 3. egrep lines starting with:
73 # local squid_client_http_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
74 # local squid_server_all_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
75 # 4. then execute this as a script with the eval
77 # be very carefull with eval:
78 # prepare the script and always grep at the end the lines that are usefull, so that
79 # even if something goes wrong, no other code can be executed
81 eval "$(squid_get_stats |\
82 sed -e "s/ \+/ /g" -e "s/\./_/g" -e "s/^\([a-z0-9_]\+\) *= *\([0-9]\+\)$/local squid_\1=\2/g" |\
83 egrep "^local squid_(client_http|server_all)_[a-z0-9_]+=[0-9]+$")"
85 # write the result of the work.
87 BEGIN squid.clients_net $1
88 SET client_http_kbytes_in = $squid_client_http_kbytes_in
89 SET client_http_kbytes_out = $squid_client_http_kbytes_out
90 SET client_http_hit_kbytes_out = $squid_client_http_hit_kbytes_out
93 BEGIN squid.clients_requests $1
94 SET client_http_requests = $squid_client_http_requests
95 SET client_http_hits = $squid_client_http_hits
96 SET client_http_errors = $squid_client_http_errors
99 BEGIN squid.servers_net $1
100 SET server_all_kbytes_in = $squid_server_all_kbytes_in
101 SET server_all_kbytes_out = $squid_server_all_kbytes_out
104 BEGIN squid.servers_requests $1
105 SET server_all_requests = $squid_server_all_requests
106 SET server_all_errors = $squid_server_all_errors