#!/bin/bash if [ -n "$APPSH_REPO" ] then repo="$APPSH_REPO" else repo="http://repo1.maven.org" fi # TODO: support file:// repositories # TODO: look in the local repository first # TODO: assert that we got a 200 OK get() { local exit curl -o $2 $1 -D curl.tmp exit=`grep "^HTTP/[0-9]\.[0-9] 200 .*" curl.tmp >/dev/null; echo $?` head=`head -n 1 curl.tmp` rm curl.tmp if [ "$exit" != 0 ] then echo "Unable to download $1: $head" exit 1 fi } resolved_version= resolve_snapshot() { local base_url local metadata echo "Resolving version $version..." metadata=$BASEDIR/.app/var/download/$groupId-$artifactId-$version-metadata.xml base_url=$repo/$(echo $groupId | sed "s,\.,/,g")/$artifactId/$version get $base_url/maven-metadata.xml $metadata resolved_version=`xmlstarlet sel -t -m '//snapshotVersion[extension[text()="zip"]]' -v value $metadata` if [ -z "$resolved_version" ] then echo "Unable to resolve version." exit 1 fi echo "Resolved version $version to $resolved_version" } zip_file= download_artifact() { zip_file=$BASEDIR/.app/var/download/$groupId-$artifactId-$resolved_version.zip if [ -r $zip_file ] then echo "Artifact already downloaded." return 0 fi echo "Downloading artifact" base_url=$repo/$(echo $groupId | sed "s,\.,/,g")/$artifactId/$version get $base_url/$artifactId-$resolved_version.zip $zip_file # TODO: download checksum. bash is too shady to trust } method_install_usage() { if [ -n "$1" ] then echo "Error:" "$@" >&2 fi echo "usage:" >&2 echo "" echo "Install Maven artifact from repo:" >&2 echo " $0 install -m groupId:artifactId [-n name] -i instance [-v version]" >&2 echo "Name defaults to artifactId." >&2 echo "" echo "Install zip file:" >&2 echo " $0 install -f file -n name -i instance [-v version]" >&2 echo "The version defaults to the current timestamp" >&2 exit 1 } method_install() { local m while getopts "m:n:i:v:f:" opt do case $opt in m) m=$OPTARG groupId=`echo $OPTARG | cut -s -f 1 -d :` artifactId=`echo $OPTARG | cut -s -f 2 -d :` if [ -z "$groupId" -o -z "$artifactId" ] then method_install_usage "Invalid -m value." fi ;; n) name=$OPTARG ;; i) instance=$OPTARG ;; v) version=$OPTARG ;; f) file=$OPTARG ;; \?) method_install_usage "Invalid option: -$OPTARG" ;; esac done if [ -z "$file" -a -z "$m" ] then method_install_usage "Either -f or -m has to be specified." fi if [ -n "$file" -a -n "$m" ] then method_install_usage "Only one of -f or -m can specified." fi if [ -z "$instance" ] then method_install_usage "Missing required argument: -i instance." fi if [ -z "version" ] then method_install_usage "Missing required argument: -v version." fi if [ -n "$m" ] then if [ -z "$name" ] then name=$artifactId fi resolve_snapshot download_artifact else zip_file=$file if [ -z "$version" ] then version=`TZ=UTC date +"%Y%m%d-%H%M%S"` fi resolved_version=$version fi if [ ! -d $name/$instance ] then echo "Creating instance '$instance' for $name" mkdir -p $name/$instance fi if [ -d $name/$instance/versions/$resolved_version ] then echo "Version $resolved_version is already installed" exit 1 fi mkdir -p $name/$instance/versions/$resolved_version echo "Unpacking..." unzip -q -d $name/$instance/versions/$resolved_version $zip_file ( cd $name/$instance/versions/$resolved_version if [ -d scripts ] then find scripts | xargs chmod +x fi if [ -x scripts/postinstall ] then echo "Running postinstall..." set +e env -i \ PATH=$PATH \ scripts/postinstall set -e ret=`echo $?` if [ "$ret" != 0 ] then echo "Postinstall failed!" exit 1 fi echo "Postinstall completed successfully" fi ) echo "Changing current symlink" rm -f $BASEDIR/$name/$instance/current ln -s versions/$resolved_version/root $BASEDIR/$name/$instance/current ( cd $name/$instance/current find bin -type f | xargs chmod +x ) if [ -r $BASEDIR/.app/var/list ] then sed "/^$name:$instance/d" $BASEDIR/.app/var/list > $BASEDIR/.app/var/list.new fi echo "$name:$instance:$version" >> $BASEDIR/.app/var/list.new mv $BASEDIR/.app/var/list.new $BASEDIR/.app/var/list } method_set_current_usage() { if [ -n "$1" ] then echo "Error:" "$@" >&2 fi echo "usage: set-current -n name -i instance -v version" >&2 exit 1 } method_set_current() { local name local instance local version while getopts "n:i:v:" opt do case $opt in n) name=$OPTARG ;; i) instance=$OPTARG ;; v) version=$OPTARG ;; \?) method_set_current_usage "Invalid option: -$OPTARG" ;; esac done if [ -z "$version" ] then echo "Missing required option -v version." >&2 exit 1 fi assert_is_instance method_set_current_usage "$name" "$instance" "no" if [ ! -d $BASEDIR/$name/$instance/versions/$version ] then echo "Invalid version: $version." exit 1 fi rm -f $BASEDIR/$name/$instance/current ln -s versions/$version/root $BASEDIR/$name/$instance/current return 0 } method_list_usage() { if [ -n "$1" ] then echo "Error:" "$@" >&2 fi echo "usage: list [-n name] [-P field]" >&2 echo "" echo "List all installed applications" >&2 echo " $0 list" >&2 echo "" echo "List all applications in an parseable format:" >&2 echo " $0 -P instance -P version -n foo" >&2 exit 1 } method_list() { local mode="pretty" local vars local filter_name while getopts "P:n:" opt do case $opt in P) mode="parseable" vars="$vars $OPTARG" ;; n) filter_name=$OPTARG ;; \?) method_list_usage "Invalid option: -$OPTARG" ;; esac done if [ ! -r $BASEDIR/.app/var/list ] then return fi if [ $mode = "pretty" ] then printf "%-20s %-20s %-20s\n" "Name" "Instance" "Version" list_apps "$filter_name" name instance version | (IFS=:; while read name instance version do printf "%-20s %-20s %-20s\n" "$name" "$instance" "$version" done) else list_apps "$filter_name" $vars fi } method_list_versions_usage() { if [ -n "$1" ] then echo "Error:" "$@" >&2 fi echo "usage: list-versions -n name -i instance [-P]" >&2 echo " -P - parseable output" >&2 exit 1 } method_list_versions() { local name local instance local version local mode="pretty" while getopts "n:i:P" opt do case $opt in n) name=$OPTARG ;; i) instance=$OPTARG ;; v) version=$OPTARG ;; P) mode="parseable" ;; \?) method_list_versions_usage "Invalid option: -$OPTARG" ;; esac done assert_is_instance method_list_versions_usage "$name" "$instance" "no" if [ $mode = "pretty" ] then echo "Available versions for $name/$instance:" fi find_versions $name $instance return 0 } method_app_usage() { if [ -n "$1" ] then echo "Error:" $@ >&2 fi echo "usage: $0 app " >&2 echo "" >&2 echo "Available methods:" >&2 echo " install - Installs an application" >&2 echo " list - List all installed applications" >&2 echo " list-versions - List all available versions for a single application" >&2 echo " set-current - Set the current version" >&2 } method_app() { local name="$1" local instance="$2" if [ $# -gt 2 ] then method=$3 shift fi case "$method" in install) method_install "$name" "$instance" "$@" ;; list) method_list "$name" "$instance" "$@" ;; list-versions) method_list_versions "$name" "$instance" "$@" ;; set-current) method_set_current "$name" "$instance" "$@" ;; *) method_app_usage ;; esac exit $? }