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-rw-r--r--.app/lib/app-app403
1 files changed, 403 insertions, 0 deletions
diff --git a/.app/lib/app-app b/.app/lib/app-app
new file mode 100644
index 0000000..d59a231
--- /dev/null
+++ b/.app/lib/app-app
@@ -0,0 +1,403 @@
+#!/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 <method>" >&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 $?
+}