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Merge pull request #11119 from tianon/busybox-from-hub
Download busybox from the Hub instead of GitHub
This commit is contained in:
Phil Estes
commit
2aab992e17
3 changed files with 107 additions and 5 deletions
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@ -107,9 +107,6 @@ RUN go get golang.org/x/tools/cmd/cover
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# TODO replace FPM with some very minimal debhelper stuff
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RUN gem install --no-rdoc --no-ri fpm --version 1.3.2
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# Get the "busybox" image source so we can build locally instead of pulling
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RUN git clone -b buildroot-2014.02 https://github.com/jpetazzo/docker-busybox.git /docker-busybox
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# Install registry
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ENV REGISTRY_COMMIT c448e0416925a9876d5576e412703c9b8b865e19
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RUN set -x \
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@ -145,6 +142,10 @@ ENV DOCKER_BUILDTAGS apparmor selinux btrfs_noversion
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# Let us use a .bashrc file
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RUN ln -sfv $PWD/.bashrc ~/.bashrc
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# Get the "busybox" image so we can "docker load" locally instead of pulling
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COPY contrib/download-frozen-image.sh /go/src/github.com/docker/docker/contrib/
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RUN ./contrib/download-frozen-image.sh /docker-busybox busybox@4986bf8c15363d1c5d15512d5266f8777bfba4974ac56e3270e7760f6f0a8125
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# Install man page generator
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COPY vendor /go/src/github.com/docker/docker/vendor
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# (copy vendor/ because go-md2man needs golang.org/x/net)
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90
contrib/download-frozen-image.sh
Executable file
90
contrib/download-frozen-image.sh
Executable file
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@ -0,0 +1,90 @@
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#!/bin/bash
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set -e
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# hello-world latest ef872312fe1b 3 months ago 910 B
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# hello-world latest ef872312fe1bbc5e05aae626791a47ee9b032efa8f3bda39cc0be7b56bfe59b9 3 months ago 910 B
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# debian latest f6fab3b798be 10 weeks ago 85.1 MB
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# debian latest f6fab3b798be3174f45aa1eb731f8182705555f89c9026d8c1ef230cbf8301dd 10 weeks ago 85.1 MB
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usage() {
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echo "usage: $0 dir image[:tag][@image-id] ..."
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echo " ie: $0 /tmp/hello-world hello-world"
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echo " $0 /tmp/debian-jessie debian:jessie"
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echo " $0 /tmp/old-hello-world hello-world@ef872312fe1bbc5e05aae626791a47ee9b032efa8f3bda39cc0be7b56bfe59b9"
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echo " $0 /tmp/old-debian debian:latest@f6fab3b798be3174f45aa1eb731f8182705555f89c9026d8c1ef230cbf8301dd"
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[ -z "$1" ] || exit "$1"
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}
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dir="$1" # dir for building tar in
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shift || usage 1 >&2
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[ $# -gt 0 -a "$dir" ] || usage 2 >&2
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mkdir -p "$dir"
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declare -A repositories=()
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while [ $# -gt 0 ]; do
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imageTag="$1"
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shift
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image="${imageTag%%[:@]*}"
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tag="${imageTag#*:}"
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imageId="${tag##*@}"
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[ "$imageId" != "$tag" ] || imageId=
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[ "$tag" != "$imageTag" ] || tag='latest'
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tag="${tag%@*}"
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token="$(curl -sSL -o /dev/null -D- -H 'X-Docker-Token: true' "https://index.docker.io/v1/repositories/$image/images" | tr -d '\r' | awk -F ': *' '$1 == "X-Docker-Token" { print $2 }')"
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if [ -z "$imageId" ]; then
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imageId="$(curl -sSL -H "Authorization: Token $token" "https://registry-1.docker.io/v1/repositories/$image/tags/$tag")"
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imageId="${imageId//\"/}"
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fi
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ancestryJson="$(curl -sSL -H "Authorization: Token $token" "https://registry-1.docker.io/v1/images/$imageId/ancestry")"
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if [ "${ancestryJson:0:1}" != '[' ]; then
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echo >&2 "error: /v1/images/$imageId/ancestry returned something unexpected:"
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echo >&2 " $ancestryJson"
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exit 1
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fi
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IFS=','
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ancestry=( ${ancestryJson//[\[\] \"]/} )
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unset IFS
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[ -z "${repositories[$image]}" ] || repositories[$image]+=', '
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repositories[$image]+='"'"$tag"'": "'"$imageId"'"'
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echo "Downloading '$imageTag' (${#ancestry[@]} layers)..."
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for imageId in "${ancestry[@]}"; do
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mkdir -p "$dir/$imageId"
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echo '1.0' > "$dir/$imageId/VERSION"
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curl -sSL -H "Authorization: Token $token" "https://registry-1.docker.io/v1/images/$imageId/json" -o "$dir/$imageId/json" -C -
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# TODO figure out why "-C -" doesn't work here
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# "curl: (33) HTTP server doesn't seem to support byte ranges. Cannot resume."
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# "HTTP/1.1 416 Requested Range Not Satisfiable"
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if [ -f "$dir/$imageId/layer.tar" ]; then
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# TODO hackpatch for no -C support :'(
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echo "skipping existing ${imageId:0:12}"
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continue
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fi
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curl -SL --progress -H "Authorization: Token $token" "https://registry-1.docker.io/v1/images/$imageId/layer" -o "$dir/$imageId/layer.tar" # -C -
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done
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echo
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done
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echo -n '{' > "$dir/repositories"
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firstImage=1
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for image in "${!repositories[@]}"; do
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[ "$firstImage" ] || echo -n ',' >> "$dir/repositories"
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firstImage=
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echo -n $'\n\t' >> "$dir/repositories"
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echo -n '"'"$image"'": { '"${repositories[$image]}"' }' >> "$dir/repositories"
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done
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echo -n $'\n}\n' >> "$dir/repositories"
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echo "Download of images into '$dir' complete."
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echo "Use something like the following to load the result into a Docker daemon:"
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echo " tar -cC '$dir' . | docker load"
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@ -2,8 +2,19 @@
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set -e
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if ! docker inspect busybox &> /dev/null; then
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if [ -d /docker-busybox ]; then
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( set -x; docker build -t busybox /docker-busybox )
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hardCodedDir='/docker-busybox'
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if [ -d "$hardCodedDir" ]; then
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( set -x; tar -cC "$hardCodedDir" . | docker load )
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elif [ -e Dockerfile ] && command -v curl > /dev/null; then
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# testing for "curl" because "download-frozen-image.sh" is built around curl
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dir="$DEST/busybox"
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# extract the exact "download-frozen-image.sh" line from the Dockerfile itself for consistency
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awk '$1 == "RUN" && $2 == "./contrib/download-frozen-image.sh" && /busybox@/ {
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for (i = 2; i < NF; i++)
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printf ( $i == "'"$hardCodedDir"'" ? "'"$dir"'" : $i ) " ";
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print $NF;
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}' Dockerfile | sh -x
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( set -x; tar -cC "$dir" . | docker load )
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else
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( set -x; docker pull busybox )
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fi
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