path: root/bin/reproducible_common.sh

#!/bin/bash

# Copyright 2014 Holger Levsen <holger@layer-acht.org>
# released under the GPLv=2

#
# included by all reproducible_*.sh scripts
#
# define db
PACKAGES_DB=/var/lib/jenkins/reproducible.db
INIT=/var/lib/jenkins/reproducible.init
if [ -f $PACKAGES_DB ] && [ -f $INIT ] ; then
	if [ -f $PACKAGES_DB.lock ] ; then
		for i in $(seq 0 100) ; do
			sleep 15
			echo "sleeping 15s, $PACKAGES_DB is locked."
			if [ ! -f $PACKAGES_DB.lock ] ; then
				break
			fi
		done
		if [ -f $PACKAGES_DB.lock ] ; then
			echo "$PACKAGES_DB.lock still exist, exiting."
			exit 1
		fi
	fi
elif [ ! -f ${PACKAGES_DB} ] ; then
	echo "Warning: $PACKAGES_DB doesn't exist, creating it now."
	echo 
	# create sqlite db if needed
	sqlite3 ${PACKAGES_DB} '
		CREATE TABLE source_packages
		(name TEXT NOT NULL,
		version TEXT NOT NULL,
		status TEXT NOT NULL
		CHECK (status IN ("blacklisted", "FTBFS","reproducible","unreproducible","404", "not for us")),
		build_date TEXT NOT NULL,
		PRIMARY KEY (name))'
	sqlite3 ${PACKAGES_DB} '
		CREATE TABLE sources_scheduled
		(name TEXT NOT NULL,
		date_scheduled TEXT NOT NULL,
		date_build_started TEXT NOT NULL,
		PRIMARY KEY (name))'
	sqlite3 ${PACKAGES_DB} '
		CREATE TABLE sources
		(name TEXT NOT NULL,
		version TEXT NOT NULL)'
	sqlite3 ${PACKAGES_DB} '
		CREATE TABLE stats_pkg_state
		(datum TEXT NOT NULL,
		suite TEXT NOT NULL,
		untested INTEGER,
		reproducible INTEGER,
		unreproducible INTEGER,
		FTBFS INTEGER,
		other INTEGER,
		PRIMARY KEY (datum))'
	sqlite3 ${PACKAGES_DB} '
		CREATE TABLE stats_builds_per_day
		(datum TEXT NOT NULL,
		suite TEXT NOT NULL,
		reproducible INTEGER,
		unreproducible INTEGER,
		FTBFS INTEGER,
		other INTEGER,
		PRIMARY KEY (datum))'
	sqlite3 ${PACKAGES_DB} '
		CREATE TABLE stats_builds_age
		(datum TEXT NOT NULL,
		suite TEXT NOT NULL,
		oldest_reproducible REAL,
		oldest_unreproducible REAL,
		oldest_FTBFS REAL,
		PRIMARY KEY (datum))'
	sqlite3 ${PACKAGES_DB} '
		CREATE TABLE stats_bugs
		(datum TEXT NOT NULL,
		open_toolchain INTEGER,
		done_toolchain INTEGER,
		open_infrastructure INTEGER,
		done_infrastructure INTEGER,
		open_timestamps INTEGER,
		done_timestamps INTEGER,
		open_fileordering INTEGER,
		done_fileordering INTEGER,
		open_buildpath INTEGER,
		done_buildpath INTEGER,
		open_username INTEGER,
		done_username INTEGER,
		open_hostname INTEGER,
		done_hostname INTEGER,
		open_uname INTEGER,
		done_uname INTEGER,
		open_randomness INTEGER,
		done_randomness INTEGER,
		PRIMARY KEY (datum))'
	# 60 seconds timeout when trying to get a lock
	cat >/var/lib/jenkins/reproducible.init <<-EOF
.timeout 60000
EOF
fi

# common variables
DBDCHROOT_READLOCK=/var/lib/jenkins/reproducible-dbdchroot.readlock
DBDCHROOT_WRITELOCK=/var/lib/jenkins/reproducible-dbdchroot.writelock

# shop trailing slash
JENKINS_URL=${JENKINS_URL:0:-1}

# we only need them for html creation but we cannot declare them in a function
declare -A SPOKENTARGET
declare -A LINKTARGET
NOTES_PATH=/var/lib/jenkins/userContent/notes
ISSUES_PATH=/var/lib/jenkins/userContent/issues
mkdir -p $NOTES_PATH $ISSUES_PATH
# FIXME RB_PATH would also be a good idea
mkdir -p /var/lib/jenkins/userContent/rb-pkg/

init_html() {
	SUITE=sid
	MAINVIEW="stats"
	ALLSTATES="reproducible FTBR_with_buildinfo FTBR FTBFS 404 not_for_us blacklisted"
	ALLVIEWS="issues notes scheduled last_24h last_48h all_abc dd-list stats"
	SPOKENTARGET["reproducible"]="packages which built reproducibly"
	SPOKENTARGET["FTBR"]="packages which failed to build reproducibly and do not create a .buildinfo file"
	SPOKENTARGET["FTBR_with_buildinfo"]="packages which failed to build reproducibly and create a .buildinfo file"
	SPOKENTARGET["FTBFS"]="packages which failed to build from source"
	SPOKENTARGET["404"]="packages where the sources failed to download"
	SPOKENTARGET["not_for_us"]="packages which should not be build on 'amd64'"
	SPOKENTARGET["blacklisted"]="packages which have been blacklisted"
	SPOKENTARGET["issues"]="known issues related to reproducible builds"
	SPOKENTARGET["notes"]="packages with notes"
	SPOKENTARGET["scheduled"]="packages currently scheduled for testing for build reproducibility"
	SPOKENTARGET["last_24h"]="packages tested in the last 24h"
	SPOKENTARGET["last_48h"]="packages tested in the last 48h"
	SPOKENTARGET["all_abc"]="all tested packages (sorted alphabetically)"
	SPOKENTARGET["dd-list"]="maintainers of unreproducible packages"
	SPOKENTARGET["stats"]="various statistics about reproducible builds"
	# query some data we need everywhere
	AMOUNT=$(sqlite3 -init $INIT $PACKAGES_DB "SELECT count(name) FROM sources")
	COUNT_TOTAL=$(sqlite3 -init $INIT $PACKAGES_DB "SELECT COUNT(name) FROM source_packages")
	COUNT_GOOD=$(sqlite3 -init $INIT $PACKAGES_DB "SELECT COUNT(name) FROM source_packages WHERE status = \"reproducible\"")
	PERCENT_TOTAL=$(echo "scale=1 ; ($COUNT_TOTAL*100/$AMOUNT)" | bc)
	PERCENT_GOOD=$(echo "scale=1 ; ($COUNT_GOOD*100/$COUNT_TOTAL)" | bc)
	GUESS_GOOD=$(echo "$PERCENT_GOOD*$AMOUNT/100" | bc)
	BUILDINFO_SIGNS=true
}

write_page() {
	echo "$1" >> $PAGE
}

set_icon() {
	# icons taken from tango-icon-theme (0.8.90-5)
	# licenced under http://creativecommons.org/licenses/publicdomain/
	STATE_TARGET_NAME="$1"
	case "$1" in
		reproducible)		ICON=weather-clear.png
					;;
		unreproducible|FTBR*)	if [ "$2" != "" ] ; then
						ICON=weather-showers-scattered.png
						STATE_TARGET_NAME=FTBR_with_buildinfo
					else
						ICON=weather-showers.png
						STATE_TARGET_NAME=FTBR
					fi
					;;
		FTBFS)			ICON=weather-storm.png
					;;
		404)			ICON=weather-severe-alert.png
					;;
		not_for_us|"not for us")	ICON=weather-few-clouds-night.png
					STATE_TARGET_NAME="not_for_us"
					;;
		blacklisted)		ICON=error.png
					;;
		*)			ICON=""
	esac
}

write_icon() {
	# ICON and STATE_TARGET_NAME are set by set_icon()
	write_page "<a href=\"$JENKINS_URL/userContent/index_${STATE_TARGET_NAME}.html\" target=\"_parent\"><img src=\"$JENKINS_URL/userContent/static/$ICON\" alt=\"${STATE_TARGET_NAME} icon\" /></a>"
}

write_page_header() {
	rm -f $PAGE
	BUILDINFO_ON_PAGE=false
	write_page "<!DOCTYPE html><html><head>"
	write_page "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />"
	write_page "<link href=\"$JENKINS_URL/userContent/static/style.css\" type=\"text/css\" rel=\"stylesheet\" />"
	write_page "<title>$2</title></head>"
	write_page "<body><header><h2>$2</h2>"
	if [ "$1" = "$MAINVIEW" ] ; then
		write_page "<p>These pages contain results obtained from <a href=\"$JENKINS_URL/view/reproducible\">several jobs running on jenkins.debian.net</a>. Thanks to <a href=\"https://www.profitbricks.com\">Profitbricks</a> for donating the virtual machine it's running on!</p>"
	fi
	write_page "<p>$COUNT_TOTAL packages have been attempted to be build so far, that's $PERCENT_TOTAL% of $AMOUNT source packages in Debian $SUITE currently. Out of these, $PERCENT_GOOD% were successful, so quite wildly guessing this roughy means about $GUESS_GOOD <a href=\"https://wiki.debian.org/ReproducibleBuilds\">packages should be reproducibly buildable!</a>"
	if [ "${1:0:3}" = "all" ] || [ "$1" = "dd-list" ] || [ "$1" = "stats" ] ; then
		write_page " Join <code>#debian-reproducible</code> on OFTC to get support for making sure your packages build reproducibly too!"
	fi
	write_page "</p>"
	write_page "<ul><li>Have a look at:</li>"
	for MY_STATE in $ALLSTATES ; do
		WITH=""
		if [ "$MY_STATE" = "FTBR_with_buildinfo" ] ; then
			WITH="YES"
		fi
		set_icon $MY_STATE $WITH
		write_page "<li>"
		write_icon
		write_page "</li>"
	done
	for TARGET in $ALLVIEWS ; do
		if [ "$TARGET" = "issues" ] || [ "$TARGET" = "stats" ] ; then
			SPOKEN_TARGET=$TARGET
		elif [ "$TARGET" = "scheduled" ] ; then
			SPOKEN_TARGET="currently scheduled"
		else
			SPOKEN_TARGET=${SPOKENTARGET[$TARGET]}
		fi
		write_page "<li><a href=\"$JENKINS_URL/userContent/index_${TARGET}.html\">${SPOKEN_TARGET}</a></li>"
	done
	write_page "</ul>"
	write_page "</header>"
}

write_page_footer() {
	write_page "<hr/><p style=\"font-size:0.9em;\">There is more information <a href=\"$JENKINS_URL/userContent/about.html\">about jenkins.debian.net</a> and about <a href=\"https://wiki.debian.org/ReproducibleBuilds\"> reproducible builds of Debian</a> available elsewhere. Last update: $(date +'%Y-%m-%d %H:%M %Z'). Copyright 2014 <a href=\"mailto:holger@layer-acht.org\">Holger Levsen</a>, GPL-2 licensed. The weather icons are public domain and have been taken from the <a href="http://tango.freedesktop.org/Tango_Icon_Library" target="_blank">Tango Icon Library</a>.</p>"
	write_page "</body></html>"
}

write_page_meta_sign() {
	write_page "<p style=\"font-size:0.9em;\">An underlined package is an indication that this package has a note. Visited packages are linked in green, those which have not been visited are linked in blue."
	if $BUILDINFO_ON_PAGE ; then
		write_page "A &beta; sign after a package which is unreproducible indicates that a .buildinfo file was generated."
		write_page "And that means the <a href=\"https://wiki.debian.org/ReproducibleBuilds#The_basics_for_making_packages_build_reproducible\">basics for building packages reproducibly are covered</a>."
	fi
	write_page "</p>"
}

publish_page() {
	cp $PAGE /var/lib/jenkins/userContent/
	if [ "$VIEW" = "$MAINVIEW" ] ; then
		cp $PAGE /var/lib/jenkins/userContent/reproducible.html
	fi
	rm $PAGE
	echo "Enjoy $JENKINS_URL/userContent/$PAGE"
}

set_package_star() {
	if [ -f /var/lib/jenkins/userContent/buildinfo/${PKG}_.buildinfo ] ; then
		STAR="<span class=\"beta\">&beta;</span>" # used to be a star...
	else
		STAR=""
	fi
}

set_package_class() {
	if [ -f ${NOTES_PATH}/${PKG}_note.html ] ; then
		CLASS="class=\"noted\""
	else
		CLASS="class=\"package\""
	fi
}

force_package_targets() {
	for PKG in $@ ; do
		if [ -f /var/lib/jenkins/userContent/rb-pkg/$PKG.html ] ; then
			set_package_class
			LINKTARGET[$PKG]="<a href=\"$JENKINS_URL/userContent/rb-pkg/$PKG.html\" $CLASS>$PKG</a>"
		else
			LINKTARGET[$PKG]="$PKG"
		fi
	done
}

link_packages() {
	STAR=""
	for PKG in $@ ; do
		if $BUILDINFO_SIGNS ; then
			set_package_star
			if ! $BUILDINFO_ON_PAGE && [ ! -z "$STAR" ] ; then
				BUILDINFO_ON_PAGE=true
			fi

		fi
		write_page " ${LINKTARGET[$PKG]}$STAR"
	done
}

init_pkg_page() {
	echo "<!DOCTYPE html><html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />" > ${PKG_FILE}
	echo "<link href=\"../static/style.css\" type=\"text/css\" rel=\"stylesheet\" />" >> ${PKG_FILE}
	echo "<title>$1 - reproducible builds results</title></head>" >> ${PKG_FILE}
	echo "<body><table class=\"head\"><tr><td><span style=\"font-size:1.2em;\">$1</span> $2" >> ${PKG_FILE}
	set_icon "$3" $5 # this sets $STATE_TARGET_NAME and $ICON
	echo "<a href=\"$JENKINS_URL/userContent/index_${STATE_TARGET_NAME}.html\" target=\"_parent\"><img src=\"$JENKINS_URL/userContent/static/$ICON\" alt=\"${STATE_TARGET_NAME} icon\" /></a>" >> ${PKG_FILE}
	echo "<span style=\"font-size:0.9em;\">at $4:</span> " >> ${PKG_FILE}
}

append2pkg_page() {
	echo "$1" >> ${PKG_FILE}
}

finish_pkg_page() {
	echo "</td><td style=\"text-align:right; font-size:0.9em;\"><a href=\"$JENKINS_URL/userContent/reproducible.html\" target=\"_parent\">reproducible builds</a></td></tr></table>" >> ${PKG_FILE}
	echo "<iframe name=\"main\" src=\"$1\" width=\"100%\" height=\"98%\" frameborder=\"0\">" >> ${PKG_FILE}
	echo "<p>Your browser does not support iframes. Use a different one or follow the links above.</p>" >> ${PKG_FILE}
	echo "</iframe>" >> ${PKG_FILE}
	echo "</body></html>" >> ${PKG_FILE}
}

process_packages() {
	for PKG in $@ ; do
		RESULT=$(sqlite3 -init $INIT $PACKAGES_DB "SELECT build_date,version,status FROM source_packages WHERE name = \"$PKG\"")
		BUILD_DATE=$(echo $RESULT|cut -d "|" -f1)
		# version with epoch removed
		EVERSION=$(echo $RESULT | cut -d "|" -f2 | cut -d ":" -f2)
		# only build $PKG pages if they don't exist or are older than $BUILD_DATE or have a note
		PKG_FILE="/var/lib/jenkins/userContent/rb-pkg/${PKG}.html"
		OLD_FILE=$(find $(dirname ${PKG_FILE}) -name $(basename ${PKG_FILE}) ! -newermt "$BUILD_DATE" 2>/dev/null || true)
		# if no package file exists, or is older than last build_date
		if [ ! -f ${PKG_FILE} ] || [ "$OLD_FILE" != "" ] ; then
			VERSION=$(echo $RESULT | cut -d "|" -f2)
			STATUS=$(echo $RESULT | cut -d "|" -f3)
			MAINLINK=""
			NOTES_LINK=""
			if [ -f ${NOTES_PATH}/${PKG}_note.html ] ; then
				NOTES_LINK=" <a href=\"$JENKINS_URL/userContent/notes/${PKG}_note.html\" target=\"main\">notes</a> "
			fi
			set_package_star
			if [ -f "/var/lib/jenkins/userContent/buildinfo/${PKG}_${EVERSION}_amd64.buildinfo" ] ; then
				STAR="has buildinfo"
				touch /var/lib/jenkins/userContent/buildinfo/${PKG}_.buildinfo
			fi
			init_pkg_page "$PKG" "$VERSION" "$STATUS" "$BUILD_DATE" "$STAR"
			append2pkg_page "${NOTES_LINK}"
			if [ -f "/var/lib/jenkins/userContent/buildinfo/${PKG}_${EVERSION}_amd64.buildinfo" ] ; then
				append2pkg_page " <a href=\"$JENKINS_URL/userContent/buildinfo/${PKG}_${EVERSION}_amd64.buildinfo\" target=\"main\">buildinfo</a> "
				MAINLINK="$JENKINS_URL/userContent/buildinfo/${PKG}_${EVERSION}_amd64.buildinfo"
			fi
			if [ -f "/var/lib/jenkins/userContent/dbd/${PKG}_${EVERSION}.debbindiff.html" ] ; then
				append2pkg_page " <a href=\"$JENKINS_URL/userContent/dbd/${PKG}_${EVERSION}.debbindiff.html\" target=\"main\">debbindiff</a> "
				MAINLINK="$JENKINS_URL/userContent/dbd/${PKG}_${EVERSION}.debbindiff.html"
			fi
			RBUILD_LOG="rbuild/${PKG}_${EVERSION}.rbuild.log"
			if [ -f "/var/lib/jenkins/userContent/${RBUILD_LOG}" ] ; then
				SIZE=$(du -sh "/var/lib/jenkins/userContent/${RBUILD_LOG}" |cut -f1)
				append2pkg_page " <a href=\"$JENKINS_URL/userContent/${RBUILD_LOG}\" target=\"main\">rbuild ($SIZE)</a> "
				if [ "$MAINLINK" = "" ] ; then
					MAINLINK="$JENKINS_URL/userContent/${RBUILD_LOG}"
				fi
			fi
			append2pkg_page " <a href=\"https://packages.qa.debian.org/${PKG}\" target=\"main\">PTS</a> "
			append2pkg_page " <a href=\"https://bugs.debian.org/src:${PKG}\" target=\"main\">BTS</a> "
			append2pkg_page " <a href=\"https://sources.debian.net/src/${PKG}/\" target=\"main\">sources</a> "
			append2pkg_page " <a href=\"https://sources.debian.net/src/${PKG}/${VERSION}/debian/rules\" target=\"main\">debian/rules</a> "

			if [ ! -z "${NOTES_LINK}" ] ; then
				MAINLINK="$JENKINS_URL/userContent/notes/${PKG}_note.html"
			fi
			finish_pkg_page "$MAINLINK"
		fi
	done
}

gather_schedule_stats() {
	SCHEDULED=$(sqlite3 -init $INIT $PACKAGES_DB "SELECT name FROM sources_scheduled ORDER BY date_scheduled" | xargs echo)
	COUNT_SCHEDULED=$(sqlite3 -init $INIT $PACKAGES_DB "SELECT count(name) FROM sources_scheduled" | xargs echo)
	let "COUNT_NOTYET=AMOUNT-COUNT_TOTAL-COUNT_SCHEDULED"
	QUERY="	SELECT count(sources.name) FROM sources,source_packages
			WHERE sources.name NOT IN
			(SELECT sources.name FROM sources,sources_scheduled
				WHERE sources.name=sources_scheduled.name)
			AND sources.name IN
			(SELECT sources.name FROM sources,source_packages
				WHERE sources.name=source_packages.name
				AND sources.version!=source_packages.version
				AND source_packages.status!='blacklisted')
			AND sources.name=source_packages.name"
	COUNT_NEW_VERSIONS=$(sqlite3 -init $INIT $PACKAGES_DB "$QUERY")
}

gather_stats() {
	COUNT_BAD=$(sqlite3 -init $INIT $PACKAGES_DB "SELECT COUNT(name) FROM source_packages WHERE status = \"unreproducible\"")
	COUNT_UGLY=$(sqlite3 -init $INIT $PACKAGES_DB "SELECT COUNT(name) FROM source_packages WHERE status = \"FTBFS\"")
	COUNT_SOURCELESS=$(sqlite3 -init $INIT $PACKAGES_DB "SELECT COUNT(name) FROM source_packages WHERE status = \"404\"")
	COUNT_NOTFORUS=$(sqlite3 -init $INIT $PACKAGES_DB "SELECT COUNT(name) FROM source_packages WHERE status = \"not for us\"")
	COUNT_BLACKLISTED=$(sqlite3 -init $INIT $PACKAGES_DB "SELECT COUNT(name) FROM source_packages WHERE status = \"blacklisted\"")
	PERCENT_BAD=$(echo "scale=1 ; ($COUNT_BAD*100/$COUNT_TOTAL)" | bc)
	PERCENT_UGLY=$(echo "scale=1 ; ($COUNT_UGLY*100/$COUNT_TOTAL)" | bc)
	PERCENT_NOTFORUS=$(echo "scale=1 ; ($COUNT_NOTFORUS*100/$COUNT_TOTAL)" | bc)
	PERCENT_SOURCELESS=$(echo "scale=1 ; ($COUNT_SOURCELESS*100/$COUNT_TOTAL)" | bc)
}

update_html_schedule() {
	VIEW=scheduled
	BUILDINFO_SIGNS=true
	PAGE=index_${VIEW}.html
	echo "$(date) - starting to write $PAGE page."
	write_page_header $VIEW "Overview of ${SPOKENTARGET[$VIEW]}"
	gather_schedule_stats
	if [ ${COUNT_NEW_VERSIONS} -ne 0 ] ; then
		write_page "<p>For ${COUNT_NEW_VERSIONS} packages newer versions are available which have not been tested yet.</p>"
	fi
	write_page "<p>${COUNT_NOTYET} packages have not been tested at all.</p>"
	write_page "<p>${COUNT_SCHEDULED} packages are currently scheduled for testing: <code>"
	force_package_targets $SCHEDULED
	link_packages $SCHEDULED
	write_page "</code></p>"
	write_page_meta_sign
	write_page_footer
	publish_page
}