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📄 hddtemp_smartctl(10.51 KB)
📄 http_loadtime(3.22 KB)
📄 if_err_eth0(3.07 KB)
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📄 uptime(859 B)
📄 users(2.46 KB)
📄 vmstat(1.13 KB)

Editing: http_loadtime

#!/usr/bin/sh

: << =cut

=head1 NAME

http_loadtime - Plugin to graph the HTTP response times of specific pages

=head1 CONFIGURATION

The following environment variables are used by this plugin

target - comma separated URL(s) to fetch (default: "http://localhost/")
 requisites - if true also loads images and stylesheets referenced in the page as well, see wget --page-requisites
              (default: "false")
 cookies - if true saves and loads cookies to and from munin plugin state directory, this can be used for services that
           show session statistics to only use one session per http_loadtime uri configuration (default: "false")

example:
   [http_loadtime]
   env.target http://localhost.de,http://localhost.de/some-site.html
   env.requisites true
   env.cookies true
   env.warning 5
   env.critical 30

Do not enable the download of page requisites (env.requisites) for https
 sites since wget needs incredible long to perform this on big sites...

=head1 AUTHORS

Unknown authors
(2013) Axel Huebl
(2021) Andreas Perhab <a.perhab@wtioit.at>

=head1 LICENSE

GPLv2

=head1 MAGIC MARKERS

#%# family=auto
 #%# capabilities=autoconf

=cut

. "$MUNIN_LIBDIR/plugins/plugin.sh"

target=${target:-"http://localhost/"}
requisites=${requisites:-"false"}
cookies=${cookies:-"false"}

urls=$(echo "$target" | tr ',' '\n')

request_url() {
    wget --user-agent "Munin - http_loadtime" --no-cache --quiet --output-document=/dev/null "$@" 2>/dev/null
}

escapeUri() {
    echo "$1" | sed 's/[:/.-]/_/g'
}

request_url_with_args_from_env() {
    local uri
    uri=$1
    if [ "$requisites" = "true" ]; then
        set -- --page-requisites "$@"
    fi
    if [ "$cookies" = "true" ]; then
        local cookies_file
        cookies_file="$MUNIN_PLUGSTATE/http_loadtime/$(escapeUri "$uri").cookies.txt"
        mkdir -p "$(dirname "$cookies_file")"
        set -- --load-cookies "$cookies_file" --save-cookies "$cookies_file" --keep-session-cookies "$@"
    fi
    request_url "$@"
}

if [ "$1" = "autoconf" ]; then
    result="yes"
    command -v tr   >/dev/null 2>&1 || result=1
    command -v wget >/dev/null 2>&1 || result=1
    if [ "$result" != "yes" ]; then
       echo "no (programs wget and tr required)"
       exit 0
    fi

# check if urls respond
    #
    for uri in $urls
    do
        if ! request_url --spider "$uri"; then
            echo "no (Cannot run wget against \"$uri\")"
            exit 0
        fi
    done

echo yes
    exit 0
fi

if [ "$1" = "config" ]; then
    echo "graph_title HTTP loadtime of a page"
    echo "graph_args --base 1000 -l 0"
    echo "graph_vlabel Load time in seconds"
    echo "graph_category network"
    echo "graph_info This graph shows the load time in seconds"
    for uri in $urls
    do
        uri_short=$(echo "$uri" | cut -c 1-30)
        if [ "$uri_short" != "$uri" ]; then uri_short="${uri_short}..."; fi
        echo "$(escapeUri "$uri").label $uri_short"
        echo "$(escapeUri "$uri").info page load time"
        print_thresholds "$(escapeUri "$uri")"
    done
    exit 0
fi

for uri in $urls
do
    start=$(date +%s.%N)
    request_url_with_args_from_env "$uri"
    loadtime=$(echo "$start" "$(date +%s.%N)" | awk '{ print($2 - $1); }')

echo "$(escapeUri "$uri").value $loadtime"
done

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Editing: http_loadtime

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