dev-pack/README.org

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#+TITLE: Lokavaluto Dev Pack

#+LATEX: \pagebreak

Resources (docs, tools) to help getting things done in the lokavaluto team

#+LATEX: \pagebreak

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* Common dev environment

We recommend you to try to stick to a somewhat common environment to
avoid as much as possible any problem stemming from your installation.

The most important part is the usage of the same docker image of odoo
and the same version of postgres. Here are suggestion of how to
install it.

** Installation

*** Linux

We are using =compose=, and installation process will download
=compose= binary, and our =charm-store=.

**** Requirements

  - =bash= >= 4.3
  - =docker= >= 17.06
  - =curl=  ## for installation
  - =git=

**** Deployment

We have a magic script for you that will install or update your
current installation of =compose= and of the =charms=. You can run this
from any terminal, and don't care about the directory from where you 
launch this.

#+BEGIN_SRC shell
curl -sS https://git.myceliandre.fr/Lokavaluto/dev-pack/raw/branch/dev/src/install.sh | bash
#+END_SRC

If you are curious of what it is doing, check:

https://git.myceliandre.fr/Lokavaluto/dev-pack/src/branch/dev/src/install.sh#L252-L273


*** MacOSX

There are 2 ways to get docker on mac:
- docker desktop for mac
- docker toolbox for mac (obsolete, but works with older macs)

They are basically described here:

https://docs.docker.com/docker-for-mac/docker-toolbox/

**** Docker Desktop for mac

  We are using =compose=, and installation process will download
 =compose= binary, and our =charm-store=.

***** Requirements

 On MacOSX, you'll need to install homebrew and gnu tools:

 https://www.topbug.net/blog/2013/04/14/install-and-use-gnu-command-line-tools-in-mac-os-x/

***** TODO Deployment

**** Docker Toolbox for mac

This docker installs will create a virtualbox with a linux inside.
Your =/Users= will be automatically mapped into your virtualbox linux VM.

***** Requirements

You'll not need anything more than the Docker Toolbox for mac installed.

This link will help you with that:
https://docs.docker.com/toolbox/toolbox_install_mac/

***** Deployment

We have a magic script for you that will install or update your
current installation of =compose= and of the =charms=.

You need to run this code in the bash of your Virtualbox, and don't
care about the directory from where you launch this.

#+BEGIN_SRC shell
curl -sS https://git.myceliandre.fr/Lokavaluto/dev-pack/raw/branch/dev/src/install.sh | bash
#+END_SRC


*** Windows

There are different ways to run docker on windows, the preferred is on
WSL2 with a native docker daemon running in the WSL2 environment.

But this is still not out, so you might prefer to run "Docker For
Windows".  In that latter case you won't be able to use our tool
=compose= for the moment. However you can use the full blown
=docker-compose= method.

**** Windows - docker for windows

***** Requirements

  - =bash= >= 4.3
  - =docker= >= 17.06
  - =docker-compose=

***** Deployment

You'll need to get our charms if you want to use our same postgres
image.

This script will take care of what you need if run from a bash in WSL,
and don't care about the directory from where you launch this.

#+BEGIN_SRC shell
curl -sS https://git.myceliandre.fr/Lokavaluto/dev-pack/raw/branch/dev/src/install.sh | bash
#+END_SRC


**** Windows - docker in WSL2

Just run this script in a bash session under WSL2,
and don't care about the directory from where you launch this.

#+BEGIN_SRC shell
curl -sS https://git.myceliandre.fr/Lokavaluto/dev-pack/raw/branch/dev/src/install.sh | bash
#+END_SRC


** Usage

*** using =compose=

This method only works if you are on linux, MacOSX, or Windows WSL2
with docker installed inside WSL2.

You need to create a =compose.yml= that suits your need. You can
create it wherever you want as long as either you launch =compose= in
a sub-directory or you specify the location of the =compose= file with
the =-f COMPOSEFILE= option.  Here's a good start, execute these command
in a shell:

#+BEGIN_SRC shell
cat <<EOF > compose.yml
odoo:
  charm: odoo-tecnativa
  docker-compose:
    #image: docker.0k.io/mirror/odoo:rc_12.0-MYC-INIT
    image: docker.0k.io/mirror/odoo:rc_13.0-MYC-INIT
    ## Important to keep as a list: otherwise it'll overwrite charm's arguments.
    #command:
    #  - "--log-level=debug"
    #environment:
    #  TOTO: TATA
  #options:
  #  workers: 1
  #  modules:  ## 'base' is automatically added
  #    - l10n_fr
  #    - mymodule
  #  database: mybase  ## defaults to database in relation
  #  ## Odoo configuration file
  #  conf:
  #    options:
  #      email_from: me@example.com

  ## Create a direct access from 0.0.0.0:80
  relations:
    web-proxy:
      apache:
        ## be sure to add the following domain to your /etc/hosts
        domain: odoo

EOF
#+END_SRC

You can then launch the service(s) with:

#+BEGIN_SRC shell
compose up
#+END_SRC

**** Access odoo from your browser

You should access your odoo through the web-proxy, but if this is not
what you want, you can access it directly.

***** Using the web-proxy to access odoo

You'll need to modify your =/etc/hosts= to include the domain name 'odoo'
as a domain name for =127.0.0.1=.

#+BEGIN_SRC shell
cat <<EOF | sudo tee -a /etc/hosts
127.0.0.1 odoo
EOF
#+END_SRC

This will ask for your password as it need write access to =/etc/hosts=.

You can then use =http://odoo= to access your odoo instance.

***** Direct connection to odoo container

You should be able to point your browser to the ip of the odoo
container. You can find this IP using =docker-ip=.

If you are lazy, this might work:

#+BEGIN_SRC shell
ODOO_IP=$(docker-ip | grep odoo | sed -r 's/ +/ /g' | cut -f 3 -d " ")
echo "Odoo is up and running on: http://$ODOO_IP:8069"
#+END_SRC

If your setup allow direct access from the host running your browser
to the container's network, then you can point your browser towards
the given address.


*** using =docker-compose=

If you are NOT using =compose= and are using =docker-compose=, (for
instance because you are on windows and want to stay in the official
way to install docker.

You'll need also to initialize the postgres database.

**** Creating =docker-compose.yml=

You can run this instructions from your bash to create both =.env= and
=docker-compose.yml= files:

#+BEGIN_SRC shell
cat <<EOF > .env
## Location of the charm-store (to build postgres)
CHARM_STORE=~/.charm-store

## Password for postgres's 'odoo' user
PG_DATABASE=odoo
PG_USER=odoo
PG_PASS=odoopassword

## Password for odoo admin tasks (create/delete/archive databases)
ODOO_ADMIN_PASSWORD=adminpass

## Password for postgres admin user 'postgres'
POSTGRES_ROOT_PASSWORD=postgresrootpassword
EOF
cat <<EOF > docker-compose.yml
version: '2.0'
services:
  odoo:
    ports:
    - 8069:8069
    command:
    - odoo
    - --config=/opt/odoo/auto/odoo.conf
    - --workers=1
    - -i base,l10n_fr
    - --database=odoo
    environment:
      ADMIN_PASSWORD: \${ODOO_ADMIN_PASSWORD}
      INITIAL_LANG: fr_FR
      LIST_DB: 'true'
      PGDATABASE: \${PG_DATABASE}
      PGHOST: postgres
      PGPASSWORD: \${PG_PASS}
      PGUSER: \${PG_USER}
    #image: docker.0k.io/mirror/odoo:rc_12.0-MYC-INIT
    image: docker.0k.io/mirror/odoo:rc_13.0-MYC-INIT
    links:
    - postgres
    restart: unless-stopped
    tty: true
    volumes:
    ## Volume is changed from normal 'compose' build
    - odoo-data:/var/lib/odoo:rw
  postgres:
    build: \${CHARM_STORE}/postgres/build
    restart: unless-stopped
    volumes:
      ## Volume is changed from normal 'compose' build
      - postgres-data:/var/lib/postgresql/data:rw
    ## Was added, differing from the normal 'compose' build
    environment:
      - POSTGRES_ROOT_PASSWORD
      - PG_DATABASE
      - PG_USER
      - PG_PASS
## new section
volumes:
  odoo-data:
  postgres-data:
EOF
#+END_SRC

You can then run:

#+BEGIN_SRC shell
docker-compose up -d
#+END_SRC

**** initialisation

This is only needed if you use the 'docker-compose' method. You need
to do it once.

***** Set master password and allow access from odoo container

container 'postgres' needs to be up before running the following:

You need to do this only once.

#+BEGIN_SRC sh
## Update postgres password
docker-compose exec -T postgres bash -c \
  'PGUSER=postgres psql <<<"ALTER USER postgres WITH ENCRYPTED password "'\\\''$POSTGRES_ROOT_PASSWORD'\\\'

## Set pg_hba.conf
docker-compose exec -T postgres bash -c '
PG_HBA=/var/lib/postgresql/data/pg_hba.conf
if ! grep -E "^host all all (0.0.0.0/0|all) md5\$" "$PG_HBA" >/dev/null 2>&1; then
     if grep -E "^host all all (0.0.0.0/0|all) trust\$" "$PG_HBA" >/dev/null 2>&1; then
         sed -ri '\''s%^host all all (0\.0\.0\.0/0|all) trust$%host all all \1 md5%g'\'' \
             "$PG_HBA"
         echo "Accepting connection from outside."
     else
         echo "Can'\''t ensure connection from outside." >&2
         exit 1
     fi
fi
'

if [ "$?" != 0 ]; then
    echo "Error: can't update pg_hba.conf" >&2
else
    docker-compose restart postgres
fi
#+END_SRC


***** Create odoo table and odoo user

#+BEGIN_SRC shell
docker-compose exec -T postgres bash -c \
  'PGUSER=postgres createdb $PG_DATABASE'

docker-compose exec -T postgres bash -c \
  'PGUSER=postgres psql "$PG_DATABASE"' \
  <<<'CREATE EXTENSION IF NOT EXISTS unaccent;'

docker-compose exec -T postgres bash -c \
  'PGUSER=postgres psql <<<"CREATE USER \"$PG_USER\" WITH PASSWORD '\''$PG_PASS'\'' CREATEDB NOCREATEROLE;"'

docker-compose exec -T postgres bash -c \
  'PGUSER=postgres prefix_pg_local_command=" " pgm chown $PG_USER $PG_DATABASE'
#+END_SRC