b62a1a98bc
This changes slightly the behavior of gitweb, so that it verifies that the box isn't inundated with before attempting to serve gitweb. If the box is overloaded, it basically returns a 503 Server Unavailable until the load falls below the defined threshold. This helps dramatically if you have a box that's I/O bound, reaches a certain load and you don't want gitweb, the I/O hog that it is, increasing the pain the server is already undergoing. This behavior is controlled by $maxload configuration variable. Default is a load of 300, which for most cases should never be hit. Unset it (set it to undefined value, i.e. undef) to turn off checking. Currently it requires that '/proc/loadavg' file exists, otherwise the load check is bypassed (load is taken to be 0). So platforms that do not implement '/proc/loadavg' currently cannot use this feature (provisions are included for additional checks to be added by others). There is simple test in t/t9501-gitweb-standalone-http-status.sh to check that it correctly returns "503 Service Unavailable" if load is too high, and also if there are any Perl warnings or errors. Signed-off-by: John 'Warthog9' Hawley <warthog9@kernel.org> Signed-off-by: Jakub Narebski <jnareb@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
89 lines
2.1 KiB
Bash
89 lines
2.1 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2007 Jakub Narebski
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#
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gitweb_init () {
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safe_pwd="$(perl -MPOSIX=getcwd -e 'print quotemeta(getcwd)')"
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cat >gitweb_config.perl <<EOF
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#!/usr/bin/perl
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# gitweb configuration for tests
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our \$version = 'current';
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our \$GIT = 'git';
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our \$projectroot = "$safe_pwd";
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our \$project_maxdepth = 8;
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our \$home_link_str = 'projects';
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our \$site_name = '[localhost]';
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our \$site_header = '';
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our \$site_footer = '';
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our \$home_text = 'indextext.html';
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our @stylesheets = ('file:///$TEST_DIRECTORY/../gitweb/gitweb.css');
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our \$logo = 'file:///$TEST_DIRECTORY/../gitweb/git-logo.png';
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our \$favicon = 'file:///$TEST_DIRECTORY/../gitweb/git-favicon.png';
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our \$projects_list = '';
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our \$export_ok = '';
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our \$strict_export = '';
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our \$maxload = undef;
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EOF
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cat >.git/description <<EOF
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$0 test repository
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EOF
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}
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gitweb_run () {
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GATEWAY_INTERFACE='CGI/1.1'
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HTTP_ACCEPT='*/*'
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REQUEST_METHOD='GET'
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SCRIPT_NAME="$TEST_DIRECTORY/../gitweb/gitweb.perl"
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QUERY_STRING=""$1""
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PATH_INFO=""$2""
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export GATEWAY_INTERFACE HTTP_ACCEPT REQUEST_METHOD \
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SCRIPT_NAME QUERY_STRING PATH_INFO
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GITWEB_CONFIG=$(pwd)/gitweb_config.perl
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export GITWEB_CONFIG
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# some of git commands write to STDERR on error, but this is not
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# written to web server logs, so we are not interested in that:
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# we are interested only in properly formatted errors/warnings
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rm -f gitweb.log &&
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perl -- "$SCRIPT_NAME" \
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>gitweb.output 2>gitweb.log &&
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perl -w -e '
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open O, ">gitweb.headers";
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while (<>) {
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print O;
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last if (/^\r$/ || /^$/);
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}
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open O, ">gitweb.body";
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while (<>) {
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print O;
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}
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close O;
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' gitweb.output &&
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if grep '^[[]' gitweb.log >/dev/null 2>&1; then false; else true; fi
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# gitweb.log is left for debugging
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# gitweb.output is used to parse HTTP output
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# gitweb.headers contains only HTTP headers
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# gitweb.body contains body of message, without headers
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}
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. ./test-lib.sh
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if ! test_have_prereq PERL; then
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say 'skipping gitweb tests, perl not available'
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test_done
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fi
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perl -MEncode -e 'decode_utf8("", Encode::FB_CROAK)' >/dev/null 2>&1 || {
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say 'skipping gitweb tests, perl version is too old'
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test_done
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}
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gitweb_init
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