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authorTrygve Laugstøl <trygvis@inamo.no>2012-10-05 22:21:52 +0200
committerTrygve Laugstøl <trygvis@inamo.no>2012-10-05 22:21:52 +0200
commitede4938ea1bc7045322c422cb9b8d388ace58f54 (patch)
treed1340c24e2e55c0a52f6eb1576e5a81a66c94099 /app
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app.sh-ede4938ea1bc7045322c422cb9b8d388ace58f54.zip
o Initial import.
Diffstat (limited to 'app')
-rwxr-xr-xapp290
1 files changed, 290 insertions, 0 deletions
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 <method>" >&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 <method>' 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 $?