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Implement ynh_setup_source_docker

This commit is contained in:
yalh76 2022-09-07 07:15:40 +02:00
parent 8d39c75d8c
commit 90f7446b6b
6 changed files with 443 additions and 64 deletions

7
conf/app.src Normal file
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@ -0,0 +1,7 @@
SOURCE_URL=vaultwarden/server:$(ynh_app_upstream_version)
SOURCE_SUM=sha256 checksum
SOURCE_SUM_PRG=sha256sum
SOURCE_FORMAT=docker
SOURCE_IN_SUBDIR=true
SOURCE_FILENAME=
SOURCE_EXTRACT=false

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@ -4,11 +4,9 @@
# COMMON VARIABLES
#=================================================
# dependencies used by the app
# dependencies used by the app (must be on a single line)
pkg_dependencies="libpq5"
pkg_image="vaultwarden/server"
#=================================================
# PERSONAL HELPERS
#=================================================

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@ -93,7 +93,7 @@ ynh_script_progression --message="Setting up source files..."
ynh_app_setting_set --app=$app --key=final_path --value=$final_path
# Download, check integrity, uncompress and patch the source from app.src
ynh_docker_image_extract --dest_dir="$final_path/build/" --image_spec="$pkg_image:$(ynh_app_upstream_version)"
ynh_setup_source_docker --dest_dir="$final_path"
mkdir -p "$final_path/live/"
chmod 750 "$final_path"

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@ -143,7 +143,7 @@ then
ynh_script_progression --message="Upgrading source files..."
# Download, check integrity, uncompress the source of vaultwarden from app.src to his build directory
ynh_docker_image_extract --dest_dir="$final_path/build/" --image_spec="$pkg_image:$(ynh_app_upstream_version)"
ynh_setup_source_docker --dest_dir="$final_path"
mkdir -p "$final_path/live/"
fi

254
scripts/vendor/docker-image-extract vendored Normal file
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@ -0,0 +1,254 @@
#!/bin/sh
#
# This script pulls and extracts all files from an image in Docker Hub.
#
# Copyright (c) 2020-2022, Jeremy Lin
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
PLATFORM_DEFAULT="linux/amd64"
PLATFORM="${PLATFORM_DEFAULT}"
OUT_DIR="./output"
usage() {
echo "This script pulls and extracts all files from an image in Docker Hub."
echo
echo "$0 [OPTIONS...] IMAGE[:REF]"
echo
echo "IMAGE can be a community user image (like 'some-user/some-image') or a"
echo "Docker official image (like 'hello-world', which contains no '/')."
echo
echo "REF is either a tag name or a full SHA-256 image digest (with a 'sha256:' prefix)."
echo
echo "Options:"
echo
echo " -p PLATFORM Pull image for the specified platform (default: ${PLATFORM})"
echo " For a given image on Docker Hub, the 'Tags' tab lists the"
echo " platforms supported for that image."
echo " -o OUT_DIR Extract image to the specified output dir (default: ${OUT_DIR})"
echo " -h Show help with usage examples"
}
usage_detailed() {
usage
echo
echo "Examples:"
echo
echo "# Pull and extract all files in the 'hello-world' image tagged 'latest'."
echo "\$ $0 hello-world:latest"
echo
echo "# Same as above; ref defaults to the 'latest' tag."
echo "\$ $0 hello-world"
echo
echo "# Pull the 'hello-world' image for the 'linux/arm64/v8' platform."
echo "\$ $0 -p linux/arm64/v8 hello-world"
echo
echo "# Pull an image by digest."
echo "\$ $0 hello-world:sha256:90659bf80b44ce6be8234e6ff90a1ac34acbeb826903b02cfa0da11c82cbc042"
}
if [ $# -eq 0 ]; then
usage_detailed
exit 0
fi
while getopts ':ho:p:' opt; do
case $opt in
o)
OUT_DIR="${OPTARG}"
;;
p)
PLATFORM="${OPTARG}"
;;
h)
usage_detailed
exit 0
;;
\?)
echo "ERROR: Invalid option '-$OPTARG'"
echo
usage
exit 1
;;
\:) echo "ERROR: Argument required for option '-$OPTARG'"
echo
usage
exit 1
;;
esac
done
shift $(($OPTIND - 1))
have_curl() {
command -v curl >/dev/null
}
have_wget() {
command -v wget >/dev/null
}
if ! have_curl && ! have_wget; then
echo "This script requires either curl or wget."
exit 1
fi
image_spec="$1"
image="${image_spec%%:*}"
if [ "${image#*/}" = "${image}" ]; then
# Docker official images are in the 'library' namespace.
image="library/${image}"
fi
ref="${image_spec#*:}"
if [ "${ref}" = "${image_spec}" ]; then
echo "Defaulting ref to tag 'latest'..."
ref=latest
fi
# Split platform (OS/arch/variant) into separate variables.
# A platform specifier doesn't always include the `variant` component.
OLD_IFS="${IFS}"
IFS=/ read -r OS ARCH VARIANT <<EOF
${PLATFORM}
EOF
IFS="${OLD_IFS}"
# Given a JSON input on stdin, extract the string value associated with the
# specified key. This avoids an extra dependency on a tool like `jq`.
extract() {
local key="$1"
# Extract "<key>":"<val>" (assumes key/val won't contain double quotes).
# The colon may have whitespace on either side.
grep -o "\"${key}\"[[:space:]]*:[[:space:]]*\"[^\"]\+\"" |
# Extract just <val> by deleting the last '"', and then greedily deleting
# everything up to '"'.
sed -e 's/"$//' -e 's/.*"//'
}
# Fetch a URL to stdout. Up to two header arguments may be specified:
#
# fetch <url> [name1: value1] [name2: value2]
#
fetch() {
if have_curl; then
if [ $# -eq 2 ]; then
set -- -H "$2" "$1"
elif [ $# -eq 3 ]; then
set -- -H "$2" -H "$3" "$1"
fi
curl -sSL "$@"
else
if [ $# -eq 2 ]; then
set -- --header "$2" "$1"
elif [ $# -eq 3 ]; then
set -- --header "$2" --header "$3" "$1"
fi
wget -qO- "$@"
fi
}
# https://docs.docker.com/docker-hub/api/latest/#tag/repositories
manifest_list_url="https://hub.docker.com/v2/repositories/${image}/tags/${ref}"
# If we're pulling the image for the default platform, or the ref is already
# a SHA-256 image digest, then we don't need to look up anything.
if [ "${PLATFORM}" = "${PLATFORM_DEFAULT}" ] || [ -z "${ref##sha256:*}" ]; then
digest="${ref}"
else
echo "Getting multi-arch manifest list..."
digest=$(fetch "${manifest_list_url}" |
# Break up the single-line JSON output into separate lines by adding
# newlines before and after the chars '[', ']', '{', and '}'.
sed -e 's/\([][{}]\)/\n\1\n/g' |
# Extract the "images":[...] list.
sed -n '/"images":/,/]/ p' |
# Each image's details are now on a separate line, e.g.
# "architecture":"arm64","features":"","variant":"v8","digest":"sha256:054c85801c4cb41511b176eb0bf13a2c4bbd41611ddd70594ec3315e88813524","os":"linux","os_features":"","os_version":null,"size":828724,"status":"active","last_pulled":"2022-09-02T22:46:48.240632Z","last_pushed":"2022-09-02T00:42:45.69226Z"
# The image details are interspersed with lines of stray punctuation,
# so grep for an arbitrary string that must be in these lines.
grep architecture |
# Search for an image that matches the platform.
while read -r image; do
# Arch is probably most likely to be unique, so check that first.
arch="$(echo ${image} | extract 'architecture')"
if [ "${arch}" != "${ARCH}" ]; then continue; fi
os="$(echo ${image} | extract 'os')"
if [ "${os}" != "${OS}" ]; then continue; fi
variant="$(echo ${image} | extract 'variant')"
if [ "${variant}" = "${VARIANT}" ]; then
echo ${image} | extract 'digest'
break
fi
done)
fi
if [ -n "${digest}" ]; then
echo "Platform ${PLATFORM} resolved to '${digest}'..."
else
echo "No image digest found. Verify that the image, ref, and platform are valid."
exit 1
fi
# https://docs.docker.com/registry/spec/auth/token/#how-to-authenticate
api_token_url="https://auth.docker.io/token?service=registry.docker.io&scope=repository:$image:pull"
# https://github.com/docker/distribution/blob/master/docs/spec/api.md#pulling-an-image-manifest
manifest_url="https://registry-1.docker.io/v2/${image}/manifests/${digest}"
# https://github.com/docker/distribution/blob/master/docs/spec/api.md#pulling-a-layer
blobs_base_url="https://registry-1.docker.io/v2/${image}/blobs"
echo "Getting API token..."
token=$(fetch "${api_token_url}" | extract 'token')
auth_header="Authorization: Bearer $token"
v2_header="Accept: application/vnd.docker.distribution.manifest.v2+json"
echo "Getting image manifest for $image:$ref..."
layers=$(fetch "${manifest_url}" "${auth_header}" "${v2_header}" |
# Extract `digest` values only after the `layers` section appears.
sed -n '/"layers":/,$ p' |
extract 'digest')
if [ -z "${layers}" ]; then
echo "No layers returned. Verify that the image and ref are valid."
exit 1
fi
mkdir -p "${OUT_DIR}"
for layer in $layers; do
hash="${layer#sha256:}"
echo "Fetching and extracting layer ${hash}..."
fetch "${blobs_base_url}/${layer}" "${auth_header}" | gzip -d | tar -C "${OUT_DIR}" -xf -
# Ref: https://github.com/moby/moby/blob/master/image/spec/v1.2.md#creating-an-image-filesystem-changeset
# https://github.com/moby/moby/blob/master/pkg/archive/whiteouts.go
# Search for "whiteout" files to indicate files deleted in this layer.
OLD_IFS="${IFS}"
find "${OUT_DIR}" -name '.wh.*' | while IFS= read -r f; do
dir="${f%/*}"
wh_file="${f##*/}"
file="${wh_file#.wh.}"
# Delete both the whiteout file and the whited-out file.
rm -rf "${dir}/${wh_file}" "${dir}/${file}"
done
IFS="${OLD_IFS}"
done
echo "Image contents extracted into ${OUT_DIR}."

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@ -1,43 +1,122 @@
#!/bin/bash
# Download, check integrity, uncompress and patch the source from app.src
#
# This script pulls and extracts all files from an image in Docker Hub.
#
# usage: ynh_docker_image_extract --dest_dir=dest_dir --image_spec=image_spec [--os_arch_variant=os_arch_variant]
# usage: ynh_setup_source_docker --dest_dir=dest_dir [--source_id=source_id] [--keep="file1 file2"]
# | arg: -d, --dest_dir= - Directory where to setup sources
# | arg: -i, --image_spec= - Image specification
# | arg: -o, --os_arch_variant= - OS, architecture and variant seen as OS/ARCH on Docker Hub default:linux/$YNH_ARCH.
# | arg: -s, --source_id= - Name of the source, defaults to `app`
# | arg: -k, --keep= - Space-separated list of files/folders that will be backup/restored in $dest_dir, such as a config file you don't want to overwrite. For example 'conf.json secrets.json logs/'
#
# Pull and extract all files from the 'hello-world' image tagged 'latest'.
# example: ynh_docker_image_extract --dest_dir="dest_dir" --image_spec="hello-world:latest"
# This helper will read `conf/${source_id}.src`, download and install the sources.
#
# Same as above; tag defaults to 'latest'.
# example: ynh_docker_image_extract --dest_dir="dest_dir" --image_spec="hello-world"
#
# Same as above; tag defaults from 'latest' for a specific OS/ARCH.
# example: ynh_docker_image_extract --dest_dir="dest_dir" --image_spec="hello-world "--os_arch_variant=="linux/arm/v6"
#
# Same as above, but specify the image by digest, don't require the specific OS/ARCH.
# example: ynh_docker_image_extract --dest_dir="dest_dir" --image_spec="hello-world:sha256:90659bf80b44ce6be8234e6ff90a1ac34acbeb826903b02cfa0da11c82cbc042"
#
# This helper will pulls and extracts all files from the image $image_spec in Docker Hub.
# The src file need to contains:
# ```
# SOURCE_URL=Address to download the app archive
# SOURCE_SUM=Control sum
# # (Optional) Program to check the integrity (sha256sum, md5sum...). Default: sha256
# SOURCE_SUM_PRG=sha256
# # (Optional) Archive format. Default: tar.gz
# SOURCE_FORMAT=tar.gz
# # (Optional) Put false if sources are directly in the archive root. Default: true
# # Instead of true, SOURCE_IN_SUBDIR could be the number of sub directories to remove.
# SOURCE_IN_SUBDIR=false
# # (Optionnal) Name of the local archive (offline setup support). Default: ${src_id}.${src_format}
# SOURCE_FILENAME=example.tar.gz
# # (Optional) If it set as false don't extract the source. Default: true
# # (Useful to get a debian package or a python wheel.)
# SOURCE_EXTRACT=(true|false)
# # (Optionnal) Name of the plateform. Default: "linux/$YNH_ARCH"
# SOURCE_FILENAME=linux/arm64/v8
# ```
#
# The helper will:
# - Download `$image_spec` and extract it to `$dest_dir`.
# - Check if there is a local source archive in `/opt/yunohost-apps-src/$APP_ID/$SOURCE_FILENAME`
# - Download `$SOURCE_URL` if there is no local archive
# - Check the integrity with `$SOURCE_SUM_PRG -c --status`
# - Uncompress the archive to `$dest_dir`.
# - If `$SOURCE_IN_SUBDIR` is true, the first level directory of the archive will be removed.
# - If `$SOURCE_IN_SUBDIR` is a numeric value, the N first level directories will be removed.
# - Patches named `sources/patches/${src_id}-*.patch` will be applied to `$dest_dir`
# - Extra files in `sources/extra_files/$src_id` will be copied to dest_dir
#
# Requires YunoHost version *.*.* or higher.
ynh_docker_image_extract() {
# Requires YunoHost version 2.6.4 or higher.
ynh_setup_source_docker() {
# Declare an array to define the options of this helper.
local legacy_args=dio
local -A args_array=([d]=dest_dir= [i]=image_spec= [o]=os_arch_variant=)
local legacy_args=dsk
local -A args_array=([d]=dest_dir= [s]=source_id= [k]=keep=)
local dest_dir
local image_spec
local os_arch_variant
local source_id
local keep
# Manage arguments with getopts
ynh_handle_getopts_args "$@"
os_arch_variant="${os_arch_variant:-"linux/$YNH_ARCH"}"
source_id="${source_id:-app}"
keep="${keep:-}"
local src_file_path="$YNH_APP_BASEDIR/conf/${source_id}.src"
# Load value from configuration file (see above for a small doc about this file
# format)
local src_url=$(grep 'SOURCE_URL=' "$src_file_path" | cut --delimiter='=' --fields=2-)
local src_sum=$(grep 'SOURCE_SUM=' "$src_file_path" | cut --delimiter='=' --fields=2-)
local src_sumprg=$(grep 'SOURCE_SUM_PRG=' "$src_file_path" | cut --delimiter='=' --fields=2-)
local src_format=$(grep 'SOURCE_FORMAT=' "$src_file_path" | cut --delimiter='=' --fields=2-)
local src_in_subdir=$(grep 'SOURCE_IN_SUBDIR=' "$src_file_path" | cut --delimiter='=' --fields=2-)
local src_filename=$(grep 'SOURCE_FILENAME=' "$src_file_path" | cut --delimiter='=' --fields=2-)
local src_extract=$(grep 'SOURCE_EXTRACT=' "$src_file_path" | cut --delimiter='=' --fields=2-)
local src_plateform=$(grep 'SOURCE_PLATFORM=' "$src_file_path" | cut --delimiter='=' --fields=2-)
# Default value
src_sumprg=${src_sumprg:-sha256sum}
src_in_subdir=${src_in_subdir:-true}
src_format=${src_format:-tar.gz}
src_format=$(echo "$src_format" | tr '[:upper:]' '[:lower:]')
src_extract=${src_extract:-true}
if [ "$src_filename" = "" ]; then
src_filename="${source_id}.${src_format}"
fi
# (Unused?) mecanism where one can have the file in a special local cache to not have to download it...
local local_src="/opt/yunohost-apps-src/${YNH_APP_ID}/${src_filename}"
mkdir -p /var/cache/yunohost/download/${YNH_APP_ID}/
src_filename="/var/cache/yunohost/download/${YNH_APP_ID}/${src_filename}"
if [ "$src_format" = "docker" ]; then
src_plateform="${src_plateform:-"linux/$YNH_ARCH"}"
else
if test -e "$local_src"; then
cp $local_src $src_filename
else
[ -n "$src_url" ] || ynh_die "Couldn't parse SOURCE_URL from $src_file_path ?"
# NB. we have to declare the var as local first,
# otherwise 'local foo=$(false) || echo 'pwet'" does'nt work
# because local always return 0 ...
local out
# Timeout option is here to enforce the timeout on dns query and tcp connect (c.f. man wget)
out=$(wget --tries 3 --no-dns-cache --timeout 900 --no-verbose --output-document=$src_filename $src_url 2>&1) \
|| ynh_die --message="$out"
fi
# Check the control sum
echo "${src_sum} ${src_filename}" | ${src_sumprg} --check --status \
|| ynh_die --message="Corrupt source"
fi
# Keep files to be backup/restored at the end of the helper
# Assuming $dest_dir already exists
rm -rf /var/cache/yunohost/files_to_keep_during_setup_source/
if [ -n "$keep" ] && [ -e "$dest_dir" ]; then
local keep_dir=/var/cache/yunohost/files_to_keep_during_setup_source/${YNH_APP_ID}
mkdir -p $keep_dir
local stuff_to_keep
for stuff_to_keep in $keep; do
if [ -e "$dest_dir/$stuff_to_keep" ]; then
mkdir --parents "$(dirname "$keep_dir/$stuff_to_keep")"
cp --archive "$dest_dir/$stuff_to_keep" "$keep_dir/$stuff_to_keep"
fi
done
fi
# Extract source into the app dir
mkdir --parents "$dest_dir"
@ -46,22 +125,49 @@ ynh_docker_image_extract() {
_ynh_apply_default_permissions $dest_dir
fi
tempdir="$(mktemp -d)"
pushd $tempdir
git init -q
git remote add -f -t main origin https://github.com/jjlin/docker-image-extract.git > /dev/null 2>&1
git checkout -q -b main origin/main
./docker-image-extract -p $os_arch_variant -o $dest_dir $image_spec 2>&1
popd
rm -rf $tempdir
if ! "$src_extract"; then
mv $src_filename $dest_dir
elif [ "$src_format" = "docker" ]; then
$YNH_APP_BASEDIR/script/vendor/docker-image-extract -p $src_plateform -o $src_filename $src_url 2>&1
mv $src_filename $dest_dir
ynh_secure_remove --file="$src_filename"
elif [ "$src_format" = "zip" ]; then
# Zip format
# Using of a temp directory, because unzip doesn't manage --strip-components
if $src_in_subdir; then
local tmp_dir=$(mktemp --directory)
unzip -quo $src_filename -d "$tmp_dir"
cp --archive $tmp_dir/*/. "$dest_dir"
ynh_secure_remove --file="$tmp_dir"
else
unzip -quo $src_filename -d "$dest_dir"
fi
ynh_secure_remove --file="$src_filename"
else
local strip=""
if [ "$src_in_subdir" != "false" ]; then
if [ "$src_in_subdir" == "true" ]; then
local sub_dirs=1
else
local sub_dirs="$src_in_subdir"
fi
strip="--strip-components $sub_dirs"
fi
if [[ "$src_format" =~ ^tar.gz|tar.bz2|tar.xz$ ]]; then
tar --extract --file=$src_filename --directory="$dest_dir" $strip
else
ynh_die --message="Archive format unrecognized."
fi
ynh_secure_remove --file="$src_filename"
fi
# Apply patches
if [ -d "$YNH_APP_BASEDIR/sources/patches/" ]; then
local patches_folder=$(realpath $YNH_APP_BASEDIR/sources/patches/)
if (($(find $patches_folder -type f -name "${image_spec}-*.patch" 2>/dev/null | wc --lines) > "0")); then
if (($(find $patches_folder -type f -name "${source_id}-*.patch" 2>/dev/null | wc --lines) > "0")); then
(
cd "$dest_dir"
for p in $patches_folder/${image_spec}-*.patch; do
for p in $patches_folder/${source_id}-*.patch; do
echo $p
patch --strip=1 <$p
done
@ -70,7 +176,21 @@ ynh_docker_image_extract() {
fi
# Add supplementary files
if test -e "$YNH_APP_BASEDIR/sources/extra_files/${image_spec}"; then
cp --archive $YNH_APP_BASEDIR/sources/extra_files/$image_spec/. "$dest_dir"
if test -e "$YNH_APP_BASEDIR/sources/extra_files/${source_id}"; then
cp --archive $YNH_APP_BASEDIR/sources/extra_files/$source_id/. "$dest_dir"
fi
# Keep files to be backup/restored at the end of the helper
# Assuming $dest_dir already exists
if [ -n "$keep" ]; then
local keep_dir=/var/cache/yunohost/files_to_keep_during_setup_source/${YNH_APP_ID}
local stuff_to_keep
for stuff_to_keep in $keep; do
if [ -e "$keep_dir/$stuff_to_keep" ]; then
mkdir --parents "$(dirname "$dest_dir/$stuff_to_keep")"
cp --archive "$keep_dir/$stuff_to_keep" "$dest_dir/$stuff_to_keep"
fi
done
fi
rm -rf /var/cache/yunohost/files_to_keep_during_setup_source/
}