Add package-based install method (#3743)

* Add runtime

* add procfile

* add settings for packaging

* use heroku buildpack

* maybe a hash works?

* try brnach instead of tag or hash

* remove reference alltogether

* maybe this syntax?

* switch back to normal buildpack

* and heroku again

* try official sample

* maybe a tar?

* just git clone?

* lower version

* lower version

* switch of settings

* try this again

* maybe install python before?

* no sudo?

* just build for ubuntu?

* set runtime lower and use custom buildpack

* remove initial command

* add release command

* do not collect static while releaseing

* switch to custom backend

* Update .pkgr.yml

* new backend

* upgrade runtime version

* consolidate env

* update python version

* add debian as target

* fix os name

* extend requirements

* remove release command

* remove ssl dep

* add worker command

* add scripts

* debug listing

* make scripts executable

* use python3

* add python install

* add python as dep

* debug step

* switch to app home

* set paths right

* check local command

* remove path

* update path

* add sample install script

* more debugging

* dbg msg

* more enviroment stuff

* more dbugging

* more defined install script

* reduce function

* add debug script

* and more

* remove before

* reduce lines

* cleanup deps

* maybe this way?

* rm "

* rename env

* fix files

* use dot annotation

* ls

* add msgs

* move activation

* ref?

* use source

* use point annotation

* remove activate

* create env and add it to the enviroment

* use full paths

* move python init

* use modern python

* use version numbers for ubuntu

* add default env vars ( for now)

* use export

* use shorthand command

* add more variables

* use apphome reference in paths

* add wasyprint dependencies

* also use wheels

* add gettext for comiling messages

* add nginx setting

* remove postgres from required stack

* refactor fiel configs

* make sure parent dirs exsist

* add wheels

* move python setup again

* update packe name

* update gunicron command

* move to config

* try cleaner procfile

* use python 3 wheels

* update service def

* Add enviroment settings to packaging

* restart nginx

* remove slack

* change nginx config name

* fix styles

* set permissions on update

* Add single line install to README

* move nginx names back

* use production sample as nginx config

* fix sed statement

* cleaner nginx setup

* keep configs in config file instead of packaging index

* fix sed connamds to remove spaces

* reintroduce spaces

* Also disable debug mode

* fix file permissions

* remove unneeded commands

* readd missing spaces

* add admin user generation

* Show public ipadress in final message

* small cleanups

* Add log to setup

* remove logging

* remove logging parts

* chown all dirs

* run update command as right user already

* set path before running command

* fix permission setup

* switch right assignment

* run commands with sudo

* pass in envs

* preserve only selected enviroment

* show enviroment variables

* silence curl

* fix envs

* clean up final message

* move nginx file to variable

* make admin creation conditional

* a bit more overview for setup variables

* test if nginx is available

* unlink instead of delet

* clean up functions

* well that was dumb

* ok double dumb - now i tested it

* use config for admin generation

* fix logic

* show value - not call it

* switch functions to sh

* fix syntax

* add admin data to exposed envs

* remove keeping of admin pwd

* switch to true/false

* make nginx file location configureable

* use gunicorn instead

* fix syntax

* set base dir

* move env to seperate function

* Also use/write database settings

* use conf values if available

* format sh

* update passed envs

* fix dep

* enable installing extra packages via env (ie database backends)

* ann more logging steps

* add more debuggin steps

* get local envs

* add more debug and reorder

* more code for testing

* fix call

* Add debug msg

* turn install quiet

* fix syntax

* reduce debugging

* add log step

* add datestamp

* add marker to inv execution

* fix syntax

* add codeowner

contrib/install.sh

@@ -0,0 +1,54 @@
+get_distribution() {
+    lsb_dist=""
+    # Every system that we officially support has /etc/os-release
+    if [ -r /etc/os-release ]; then
+        lsb_dist="$(. /etc/os-release && echo "$ID")"
+    fi
+    # Returning an empty string here should be alright since the
+    # case statements don't act unless you provide an actual value
+    echo "$lsb_dist"
+}
+
+get_distribution
+case "$lsb_dist" in
+ubuntu)
+    if command_exists lsb_release; then
+        dist_version="$(lsb_release -r | cut -f2)"
+    fi
+    if [ -z "$dist_version" ] && [ -r /etc/lsb-release ]; then
+        dist_version="$(. /etc/lsb-release && echo "$DISTRIB_RELEASE")"
+    fi
+    ;;
+debian | raspbian)
+    dist_version="$(sed 's/\/.*//' /etc/debian_version | sed 's/\..*//')"
+    lsb_dist="debian"
+    ;;
+centos | rhel | sles)
+    if [ -z "$dist_version" ] && [ -r /etc/os-release ]; then
+        dist_version="$(. /etc/os-release && echo "$VERSION_ID")"
+    fi
+    ;;
+*)
+    if command_exists lsb_release; then
+        dist_version="$(lsb_release --release | cut -f2)"
+    fi
+    if [ -z "$dist_version" ] && [ -r /etc/os-release ]; then
+        dist_version="$(. /etc/os-release && echo "$VERSION_ID")"
+    fi
+    ;;
+esac
+echo "### ${lsb_dist} ${dist_version} detected"
+
+# Make sure the depencies are there
+sudo apt-get install wget apt-transport-https -y
+
+echo "### Add key and package source"
+# Add key
+wget -qO- https://dl.packager.io/srv/matmair/InvenTree/key | sudo apt-key add -
+# Add packagelist
+sudo wget -O /etc/apt/sources.list.d/inventree.list https://dl.packager.io/srv/matmair/InvenTree/deploy-test/installer/${lsb_dist}/${dist_version}.repo
+
+echo "### Install InvenTree"
+# Update repos and install inventree
+sudo apt-get update
+sudo apt-get install inventree -y