From ede4938ea1bc7045322c422cb9b8d388ace58f54 Mon Sep 17 00:00:00 2001 From: Trygve Laugstøl Date: Fri, 5 Oct 2012 22:21:52 +0200 Subject: o Initial import. --- app | 290 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 290 insertions(+) create mode 100755 app (limited to 'app') diff --git a/app b/app new file mode 100755 index 0000000..5df385e --- /dev/null +++ b/app @@ -0,0 +1,290 @@ +#!/bin/bash + +set -e + +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 $version..." + mkdir -p downloads + metadata=downloads/$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 $resolved_version" +} + +zip_file= +download_artifact() { + zip_file=downloads/$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 +} + +get_config() { + key=$1 + + file=$name/$instance/latest/etc/app.conf + value=`sed -n "s,^${key}[ ]*=[ ]*\(.*\)$,\1,p" $file` +} + +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 "$artifactId" ] + then + install_usage "Invalid -m value." + fi + ;; + n) + name=$OPTARG + ;; + i) + instance=$OPTARG + ;; + v) + version=$OPTARG + ;; + f) + file=$OPTARG + ;; + \?) + install_usage "Invalid option: -$OPTARG" + ;; + esac + done + + if [ -z "$file" -a -z "$m" ] + then + install_usage "Either -f or -m has to be specified." + fi + + if [ -n "$file" -a -n "$m" ] + then + install_usage "Only one of -f or -m can specified." + fi + + if [ -z "$instance" ] + then + install_usage "Missing required argument: -i instance." + fi + + if [ -z "version" ] + then + install_usage "Missing required argument: -v version." + fi + + if [ -n "$m" ] + then + if [ -z "$name" ] + then + name=$artifactId + fi + + resolve_snapshot + else + zip_file=$file + + if [ -z "$version" ] + then + resolved_version=`TZ=UTC date +"%Y%m%d-%H%M%S"` + else + resolved_version=$version + fi + 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 + + download_artifact + + mkdir -p $name/$instance/versions/$resolved_version + + echo "Unpacking..." + unzip -q -d $name/$instance/versions/$resolved_version $zip_file + + ( + cd $name/$instance/versions/$resolved_version + find scripts | xargs chmod +x + + if [ -x scripts/postinstall ] + then + echo "Running postinstall..." + set +e + env -i \ + PATH=$PATH \ + scripts/postinstall + set -e + ret=`echo $?` + if [ "$ret" != 0 ] + then + echo "Postinstall failed!" + exit 1 + fi + echo "Postinstall completed successfully" + fi + ) + + echo "Changing latest symlink" + rm -f $name/$instance/latest + ln -s versions/$resolved_version/root $name/$instance/latest + + ( + cd $name/$instance/latest + find bin | xargs chmod +x + ) + + if [ -r apps.list ] + then + sed "/^$name:$instance/d" apps.list > apps.list.new + fi + echo "$name:$instance:$version" >> apps.list.new + mv apps.list.new apps.list +} + +method_start() { +# TODO: set ulimit, newgrp/sg + ( + cd $name/$instance/latest + find bin | xargs chmod +x + ) +} + +method_list() { + printf "%20s %20s %20s\n" "instance" "name" "version" + + if [ ! -r apps.list ] + then + return + fi + + cat apps.list | (export IFS=:; while read instance name version + do + printf "%20s %20s %20s\n" "$instance" "$name" "$version" + done) +} + +method_list_config() { + name=$1 + instance=$2 + default=$3 + + conf=$name/$instance/etc/app.conf + + if [ ! -r $conf ] + then + echo $default + fi + + get_value port +} + +method_usage() { + echo "usage: $0 " >&2 + echo "" >&2 + echo "Available methods:" >&2 + echo " install - Installs an application" >&2 + echo " list - List all installed applications" >&2 + echo "" >&2 + echo "Run '$0 ' to get more help" >&2 +} + +if [ $# -gt 0 ] +then + method=$1 + shift +fi + +case "$method" in + install) + method_install $@ + ;; + start) + method_start $@ + ;; + list) + method_list $@ + ;; + list-config) + method_list_config $@ + ;; + *) + method_usage $@ + ;; +esac +exit $? -- cgit v1.2.3