nulib/support/build

#!/bin/bash
# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
MYDIR="$(cd "$(dirname -- "$0")"; pwd)"
"$MYDIR/rundk" --bs --ue --ci || exit 1
PROJDIR=; COMPOSERDIR=; COMPOSERPHAR=; VENDORDIR=; BUILDENV0=; BUILDENV=; DIST=; IMAGENAME=; BUILD_IMAGES=(web db)
source "$MYDIR/rundk" || exit 1
source "$PROJDIR/$VENDORDIR/nulib/php/load.sh" || exit 1
require: template

BUILD_ARGS=(
    DIST NDIST
    REGISTRY
    APT_PROXY
    APT_MIRROR
    SEC_MIRROR
    TIMEZONE
)

function dklsnet() {
    docker network ls --no-trunc --format '{{.Name}}' -f name="$1" 2>/dev/null
}

function dklsimg() {
    local image="$1" version="$2"
    docker image ls --no-trunc --format '{{.Repository}}:{{.Tag}}' "$image${version:+:$version}" 2>/dev/null
}

function dklsct() {
    # afficher le container dont l'image correspondante est $1
    docker ps --no-trunc --format '{{.Image}} {{.Names}}' | awk -v image="$1" '$1 == image { print $2 }'
}

function dkrunning() {
    # vérifier si le container d'image $1 tourne
    [ -n "$(dklsct "$@")" ]
}

function dclsct() {
    # afficher les containers correspondant à $1(=docker-compose.yml)
    docker compose ${1:+-f "$1"} ps -q
}

function dcrunning() {
    # vérifier si les containers correspondant à $1(=docker-compose.yml) tournent
    # si $2 est spécifié, c'est le nombre de service qui doit tourner
    if [ -n "$2" ]; then
        [ "$(dclsct "${@:1:1}" | wc -l)" -eq "$2" ]
    else
        [ -n "$(dclsct "${@:1:1}")" ]
    fi
}

function build_check_env() {
    eval "$(template_locals)"

    template_copy_missing "$PROJDIR/$BUILDENV0" && updated=1
    template_process_userfiles

    if [ -n "$updated" ]; then
        enote "IMPORTANT: Veuillez faire le paramétrage en éditant le fichier $BUILDENV
    ${EDITOR:-nano} $BUILDENV
ENSUITE, vous pourrez relancer la commande"
        return 1
    fi
}

function _build() {
    local dockerfile image="${PRIVAREG:+$PRIVAREG/}${IMAGENAME%/*}/$1"
    if [ -n "$ForceBuild" -o -z "$(dklsimg "$image")" ]; then
        estep "Construction de $image"
        if [ -f "$PROJDIR/Dockerfile.$1" ]; then dockerfile="$PROJDIR/Dockerfile.$1"
        elif [ -f "$MYDIR/Dockerfile.$1" ]; then dockerfile="$MYDIR/Dockerfile.$1"
        else dockerfile="$PROJDIR/$VENDORDIR/nulib/php/support/Dockerfile.$1"
        fi
        args=(
            -f "$dockerfile"
            ${Pull:+--pull}
            ${NoCache:+--no-cache}
            ${PlainOutput:+--progress plain}
            -t "$image"
        )
        for arg in "${BUILD_ARGS[@]}"; do
            args+=(--build-arg "$arg=${!arg}")
        done
        for arg in "${!PROXY_VARS[@]}"; do
            args+=(--build-arg "$arg=${PROXY_VARS[$arg]}")
        done
        for host in "${HOST_MAPPINGS[@]}"; do
            args+=(--add-host "$host")
        done
        docker build "${args[@]}" "$PROJDIR" || die
        if [ -n "$Push" ]; then
            if [ -n "$PRIVAREG" ]; then
                estep "Poussement de $image"
                docker push "$image" || die
            else
                ewarn "PRIVAREG non défini: impossible de pousser l'image"
            fi
        fi
    fi
}
function build_images() {
    local image sourced

    [ $# -gt 0 ] || set -- rundk "${BUILD_IMAGES[@]}"
    for image in "$@"; do
        case "$image" in
        rundk)
            local -a args=(--bootstrap)
            [ -n "$Config" ] && args+=(--config "$Config")
            [ -z "$ForceBuild" ] && args+=(--unless-exists)
            [ -n "$Pull" ] && args+=(--pull)
            [ -n "$NoCache" ] && args+=(--no-cache)
            "$MYDIR/rundk" "${args[@]}" || die
            ;;
        *)
            if [ -z "$sourced" ]; then
                [ -n "$Config" ] || Config="$PROJDIR/$BUILDENV"
                source "$Config"
                after_source_buildenv
                read -a HOST_MAPPINGS <<<"${HOST_MAPPINGS//
/ }"
                sourced=1
            fi
            _build "$image"
            ;;
        esac
    done
}

action=build
Config=
ForceBuild=
Pull=
NoCache=
PlainOutput=
Push=
args=(
    "Construire les images pour DRE"
    #"usage"
    --check-only action=none "++Ne faire que la vérification de l'environnement"
    -c:,--config:BUILDENV Config= "Spécifier un fichier d'environnement pour le build"
    -r,--rebuild ForceBuild=1 "Forcer la (re)construction de l'image"
    -U,--pull Pull=1 "++Forcer le re-téléchargement des images dépendantes"
    -j,--no-cache NoCache=1 "++Construire l'image en invalidant le cache"
    -D,--plain-output PlainOutput=1 "++Afficher le détail du build"
    -p,--push Push=1 "Pousser les images vers le registry après construction"
)
parse_args "$@"; set -- "${args[@]}"

[ -n "$Config" ] && setx Config=abspath "$Config"

build_check_env || die
[ "$action" == none ] && exit 0

case "$action" in
build) build_images "$@";;
*) die "$action: action non implémentée";;
esac