#!/bin/bash
# ======================================================================
#
# DOCKER PHP DEV ENVIRONMENT :: INIT
#
# ----------------------------------------------------------------------
# 2021-11-nn v1.0 <axel.hahn@iml.unibe.ch>
# 2022-07-19 v1.1 <axel.hahn@iml.unibe.ch> support multiple dirs for setfacl
# 2022-11-16 v1.2 <www.axel-hahn.de> use docker-compose -p "$APP_NAME"
# 2022-12-18 v1.3 <www.axel-hahn.de> add -p "$APP_NAME" in other docker commands
# 2022-12-20 v1.4 <axel.hahn@unibe.ch> replace fgrep with grep -F
# 2023-03-06 v1.5 <www.axel-hahn.de> up with and without --build
# 2023-08-17 v1.6 <www.axel-hahn.de> menu selection with single key (without return)
# ======================================================================
cd $( dirname $0 )
. $( basename $0 ).cfg
# git@git-repo.iml.unibe.ch:iml-open-source/docker-php-starterkit.git
selfgitrepo="docker-php-starterkit.git"
_version="1.6"
# ----------------------------------------------------------------------
# FUNCTIONS
# ----------------------------------------------------------------------
# draw a headline 2
function h2(){
echo
echo -e "\e[33m>>>>> $*\e[0m"
}
# draw a headline 3
function h3(){
echo
echo -e "\e[34m----- $*\e[0m"
}
# function _gitinstall(){
# h2 "install/ update app from git repo ${gitrepo} in ${gittarget} ..."
# test -d ${gittarget} && ( cd ${gittarget} && git pull )
# test -d ${gittarget} || git clone -b ${gitbranch} ${gitrepo} ${gittarget}
# }
# set acl on local directory
function _setWritepermissions(){
h2 "set write permissions on ${gittarget} ..."
local _user=$( id -gn )
typeset -i local _user_uid=0
test -f /etc/subuid && _user_uid=$( grep $_user /etc/subuid 2>/dev/null | cut -f 2 -d ':' )-1
typeset -i local DOCKER_USER_OUTSIDE=$_user_uid+$DOCKER_USER_UID
set -vx
for mywritedir in ${WRITABLEDIR}
do
echo "--- ${mywritedir}"
# remove current acl
sudo setfacl -bR "${mywritedir}"
# default permissions: both the host user and the user with UID 33 (www-data on many systems) are owners with rwx perms
sudo setfacl -dRm u:${DOCKER_USER_OUTSIDE}:rwx,${_user}:rwx "${mywritedir}"
# permissions: make both the host user and the user with UID 33 owner with rwx perms for all existing files/directories
sudo setfacl -Rm u:${DOCKER_USER_OUTSIDE}:rwx,${_user}:rwx "${mywritedir}"
done
set +vx
}
# cleanup starterkit git data
function _removeGitdata(){
h2 "Remove git data of starterkit"
echo -n "Current git remote url: "
git config --get remote.origin.url
git config --get remote.origin.url 2>/dev/null | grep $selfgitrepo >/dev/null
if [ $? -eq 0 ]; then
echo
echo -n "Delete local .git and .gitignore? [y/N] > "
read answer
test "$answer" = "y" && ( echo "Deleting ... " && rm -rf ../.git ../.gitignore )
else
echo "It was done already - $selfgitrepo was not found."
fi
}
# helper function: cut a text file starting from database start marker
# see _generateFiles()
function _fix_no-db(){
local _file=$1
if [ $DB_ADD = false ]; then
typeset -i local iStart=$( cat ${_file} | grep -Fn "$CUTTER_NO_DATABASE" | cut -f 1 -d ':' )-1
if [ $iStart -gt 0 ]; then
sed -ni "1,${iStart}p" ${_file}
fi
fi
}
# loop over all files in templates subdir make replacements and generate
# a target file.
# It skips if
# - 1st line is not starting with "# TARGET: filename"
# - target file has no updated lines
function _generateFiles(){
# re-read config vars
. $( basename $0 ).cfg
local _tmpfile=/tmp/newfilecontent$$.tmp
h2 "generate files from templates..."
for mytpl in $( ls -1 ./templates/* )
do
# h3 $mytpl
local _doReplace=1
# fetch traget file from first line
target=$( head -1 $mytpl | grep "^# TARGET:" | cut -f 2- -d ":" | awk '{ print $1 }' )
if [ -z "$target" ]; then
echo SKIP: $mytpl - target was not found in 1st line
_doReplace=0
fi
# write generated files to target
if [ $_doReplace -eq 1 ]; then
# write file from line 2 to a tmp file
sed -n '2,$p' $mytpl >$_tmpfile
# add generator
# sed -i "s#{{generator}}#generated by $0 - template: $mytpl - $( date )#g" $_tmpfile
local _md5=$( md5sum $_tmpfile | awk '{ print $1 }' )
sed -i "s#{{generator}}#GENERATED BY $( basename $0 ) - template: $mytpl - $_md5#g" $_tmpfile
# loop over vars to make the replacement
grep "^[a-zA-Z]" $( basename $0 ).cfg | while read line
do
# echo replacement: $line
mykey=$( echo $line | cut -f 1 -d '=' )
myvalue="$( eval echo \"\${$mykey}\" )"
# grep "{{$mykey}}" $_tmpfile
# TODO: multiline values fail here in replacement with sed
sed -i "s#{{$mykey}}#${myvalue}#g" $_tmpfile
done
_fix_no-db $_tmpfile
# echo "changes for $target:"
diff "../$target" "$_tmpfile" | grep -v "$_md5" | grep -v "^---" | grep .
if [ $? -eq 0 -o ! -f "../$target" ]; then
echo -n "$mytpl - changes detected - writing [$target] ... "
mkdir -p $( dirname "../$target" ) || exit 2
mv "$_tmpfile" "../$target" || exit 2
echo OK
else
rm -f $_tmpfile
echo "SKIP: $mytpl - Nothing to do."
fi
fi
echo
done
}
# loop over all files in templates subdir make replacements and generate
# a traget file.
function _removeGeneratedFiles(){
h2 "remove generated files..."
for mytpl in $( ls -1 ./templates/* )
do
h3 $mytpl
# fetch traget file from first line
target=$( head -1 $mytpl | grep "^# TARGET:" | cut -f 2- -d ":" | awk '{ print $1 }' )
if [ ! -z "$target" -a -f "../$target" ]; then
echo -n "REMOVING "
ls -l "../$target" || exit 2
rm -f "../$target" || exit 2
echo OK
else
echo SKIP: $target
fi
done
}
function _showContainers(){
local bLong=$1
h2 CONTAINERS
if [ -z "$bLong" ]; then
docker-compose -p "$APP_NAME" ps
else
docker ps | grep $APP_NAME
fi
}
# a bit stupid ... i think I need to delete it.
function _showInfos(){
_showContainers long
h2 INFO
h3 "processes"
docker-compose top
h3 "Check app port"
>/dev/tcp/localhost/${APP_PORT} 2>/dev/null && (
echo "OK, app port ${APP_PORT} is reachable"
echo
echo "In a web browser open:"
echo " $frontendurl"
)
h3 "Check database port"
>/dev/tcp/localhost/${DB_PORT} 2>/dev/null && (
echo "OK, db port ${DB_PORT} is reachable"
echo
echo "In a local DB admin tool:"
echo " host : localhost"
echo " port : ${DB_PORT}"
echo " user : root"
echo " password: ${MYSQL_ROOT_PASS}"
)
echo
}
# helper for menu: print an inverted key
function _key(){
printf "\e[4;7m ${1} \e[0m"
}
# helper: wait for a return key
function _wait(){
echo -n "... press RETURN > "; read -r
}
# ----------------------------------------------------------------------
# MAIN
# ----------------------------------------------------------------------
action=$1
while true; do
echo
echo -e "\e[32m===== INITIALIZER FOR DOCKER APP [$APP_NAME] v$_version ===== \e[0m\n\r"
if [ -z "$action" ]; then
_showContainers
h2 MENU
echo " $( _key g ) - remove git data of starterkit"
echo
echo " $( _key i ) - init application: set permissions"
echo " $( _key t ) - generate files from templates"
echo " $( _key T ) - remove generated files"
echo
echo " $( _key u ) - startup containers docker-compose ... up -d"
echo " $( _key U ) - startup containers docker-compose ... up -d --build"
echo " $( _key s ) - shutdown containers docker-compose stop"
echo " $( _key r ) - remove containers docker-compose rm -f"
echo
echo " $( _key m ) - more infos"
echo " $( _key c ) - console (bash)"
echo
echo " $( _key q ) - quit"
echo
echo -n " select >"
read -rn 1 action
echo
fi
case "$action" in
g)
_removeGitdata
;;
i)
# _gitinstall
_setWritepermissions
;;
t)
_generateFiles
;;
T)
_removeGeneratedFiles
rm -rf containers
;;
# not in the menu
# f)
# _removeGeneratedFiles
# _generateFiles
# _wait
# ;;
m)
_showInfos
_wait
;;
u|U)
dockerUp="docker-compose -p "$APP_NAME" --verbose up -d --remove-orphans"
if [ "$action" = "U" ]; then
dockerUp+=" --build"
fi
if $dockerUp; then
echo "In a web browser:"
echo " $frontendurl"
else
echo "ERROR: docker-compose up failed :-/"
docker-compose -p "$APP_NAME" logs | tail
fi
echo
_wait
;;
s)
docker-compose -p "$APP_NAME" stop
;;
r)
docker-compose -p "$APP_NAME" rm -f
;;
c)
docker ps
echo -n "id or name >"
read dockerid
test -z "$dockerid" || docker exec -it $dockerid /bin/bash
;;
q)
exit 0;
;;
*)
test -n "$action" && ( echo " ACTION FOR [$action] NOT IMPLEMENTED."; sleep 1 )
esac
action=
done
# ----------------------------------------------------------------------