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authorTrygve Laugstøl <trygvis@inamo.no>2012-10-12 23:23:10 +0200
committerTrygve Laugstøl <trygvis@inamo.no>2012-10-12 23:23:10 +0200
commitcdfcae52a49118d43e2064dd228b789b8452664f (patch)
tree62ee1d5f74adf0d085e9421b7a17ab3162dfde96 /app
parent33ac32f2351b688300e656dfca3f7f6d69e56949 (diff)
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Major refactoring. Splitting out the method groups into separate files.
Diffstat (limited to 'app')
-rwxr-xr-xapp646
1 files changed, 53 insertions, 593 deletions
diff --git a/app b/app
index aa88066..c02d417 100755
--- a/app
+++ b/app
@@ -2,613 +2,74 @@
set -e
-BASEDIR=`dirname $0`
-BASEDIR=`cd $BASEDIR; pwd`
+if [ -z "$BASEDIR" ]
+then
+ BASEDIR=`dirname $0`
+ BASEDIR=`cd $BASEDIR; pwd`
+fi
export BASEDIR
mkdir -p $BASEDIR/.app/var/pid
mkdir -p $BASEDIR/.app/var/download
-if [ -n "$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
-}
-
-assert_is_instance() {
- local usage=$1
- local name=$2
- local instance=$3
- local check_link=$4
-
- if [ -z "$name" ]
- then
- $usage "Missing required option -n."
- fi
-
- if [ -z "$instance" ]
- then
- $usage "Missing required option -i."
- fi
-
- if [ ! -d $name/$instance ]
- then
- echo "No such application/instance: $name/$instance." >&2
- exit 1
- fi
-
- if [ "$check_link" != "no" ]
- then
- if [ ! -e $name/$instance/current ]
- then
- echo "Missing 'current' link." >&2
- exit 1
- fi
- fi
-}
-
-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
-
- 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
-}
-
-start_usage() {
- if [ -n "$1" ]
- then
- echo "Error:" "$@" >&2
- fi
-
- echo "usage: $0 start -n name -i instance" >&2
- exit 1
-}
-
-stop_usage() {
- if [ -n "$1" ]
- then
- echo "Error:" "$@" >&2
- fi
-
- echo "usage: $0 stop -n name -i instance" >&2
- exit 1
-}
-
-# TODO: set ulimit
-# TODO: set umask
-# TODO: change group newgrp/sg
-method_start() {
- run_control start_usage "start" "$@"
-}
-
-method_stop() {
- run_control stop_usage "stop" "$@"
-}
-
-run_control() {
- local usage=$0; shift
- local method=$1; shift
- local name
- local instance
-
- while getopts "n:i:" opt
- do
- case $opt in
- n)
- name=$OPTARG
- ;;
- i)
- instance=$OPTARG
- ;;
- \?)
- $usage "Invalid option: -$OPTARG"
- ;;
- esac
- done
-
- assert_is_instance $usage "$name" "$instance"
-
- (
- cd $name/$instance/current
-
- bin=`get_conf $BASEDIR $name $instance app.method`
-
- if [ -z "$bin" ]
- then
- bin=$BASEDIR/.app/lib/default-method
- fi
-
- if [ ! -x "$bin" ]
- then
- echo "Invalid executable: $bin" >&2
- exit 1
- fi
-
- e="`get_conf_in_group $BASEDIR $name $instance env`"
-
- # Set a default PATH which can be overridden by the application's settings
- set +e
- env -i \
- PATH=/bin:/usr/bin \
- $e \
- APPSH_METHOD=$method \
- APPSH_BASEDIR=$BASEDIR \
- APPSH_NAME=$name \
- APPSH_INSTANCE=$instance \
- $bin
- local ret=$?
- set +x
- set -e
-
- case $ret in
- 0)
- echo "Application ${method}ed"
- ;;
- *)
- echo "Error starting $name/$instance"
- ;;
- esac
- )
-}
-
-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
-}
-
-find_current_version() {
- name=$1
- instance=$2
-
- if [ ! -L $BASEDIR/$name/$instance/current ]
- then
- return 0
- fi
-
- (
- cd $BASEDIR/$name/$instance
- ls -l current | sed -n "s,.* current -> versions/\(.*\)/root,\1,p"
- )
-}
-
-find_versions() {
- name=$1
- instance=$2
-
- if [ ! -d $BASEDIR/$name/$instance/versions ]
- then
- return 0
- fi
-
- (
- cd $BASEDIR/$name/$instance/versions
- ls -1d *
- )
-}
-
-list_apps() {
- filter_name=$1
- shift
- vars="$@"
-
- sort $BASEDIR/.app/var/list | while read line
- do
- echo $line | (IFS=:; while read name instance version junk
- do
- if [ -n "$filter_name" -a "$filter_name" != "$name" ]
- then
- continue
- fi
-
- local line=""
- IFS=" "; for var in $vars
- do
- case $var in
- name) x=$name;;
- instance) x=$instance;;
- version) x=$version;;
- current_version) x=`find_current_version $name $instance`;;
- *) x="";;
- esac
-
- if [ -z "$line" ]
- then
- line="$line$x"
- else
- line="$line:$x"
- fi
- done
- echo $line
- done)
- done
-}
-
-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
- ;;
- \?)
- 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
-}
-
-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"
- ;;
- \?)
- list_versions_usage "Invalid option: -$OPTARG"
- ;;
- esac
- done
-
- assert_is_instance list_versions_usage "$name" "$instance" "no"
-
- if [ $mode = "pretty" ]
- then
- echo "Available versions for $name/$instance:"
- fi
-
- find_versions $name $instance
-
- return 0
-}
-
-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
- ;;
- \?)
- 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 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_usage() {
- echo "usage: $0 <method>" >&2
+ echo "usage: $0 [-n name] [-i instance] <method group>" >&2
echo "" >&2
- echo "Available methods:" >&2
- echo " conf - Application configuration management" >&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
- echo " start - Starts an applications" >&2
- echo " stop - Stops an applications" >&2
+ echo "Available method groups:" >&2
+ echo " app" >&2
+ echo " conf" >&2
+ echo " operate" >&2
echo "" >&2
- echo "Run '$0 <method>' to get more help" >&2
+ echo "Run $0 -h <group> for more help" >&2
}
+. $BASEDIR/.app/lib/app-app
. $BASEDIR/.app/lib/app-conf
+. $BASEDIR/.app/lib/app-operate
main() {
- local method=""
- local first
+ local method
+ local name="$APPSH_NAME"
+ local instance="$APPSH_INSTANCE"
- while getopts "n:i:" opt
+ while getopts "n:i:h" opt
do
case $opt in
n)
name=$OPTARG
- first="$first -n $name"
- shift
- shift
+ shift 2
OPTIND=1
;;
i)
instance=$OPTARG
- first="$first -i $instance"
- shift
+ shift 2
+ OPTIND=1
+ ;;
+ h)
shift
OPTIND=1
+ h="$1"
+
+ if [ -z "$h" ]
+ then
+ method_usage
+ else
+ case "$h" in
+ app)
+ method_app_usage
+ ;;
+ conf)
+ method_conf_usage
+ ;;
+ operate)
+ method_operate_usage
+ ;;
+ *)
+ echo "No such method group: $h"
+ ;;
+ esac
+ fi
+ exit 1
;;
\?)
echo "Invalid option: $OPTARG"
@@ -616,18 +77,17 @@ main() {
esac
done
- method=$1
- shift
+ if [ $# -gt 0 ]
+ then
+ method=$1
+ shift
+ fi
case "$method" in
- conf) method_conf $first "$@" ;;
- install) method_install $first "$@" ;;
- list) method_list $first "$@" ;;
- list-versions) method_list_versions $first "$@" ;;
- set-current) method_set_current $first "$@" ;;
- start) method_start $first "$@" ;;
- stop) method_stop $first "$@" ;;
- *) method_usage "$@" ;;
+ app) method_app "$name" "$instance" "$@" ;;
+ conf) method_conf "$name" "$instance" "$@" ;;
+ operate) method_operate "$name" "$instance" "$@" ;;
+ *) method_usage ;;
esac
exit $?
}