github.com/AbhinandanKurakure/podman/v3@v3.4.10/test/system/build-testimage (about) 1 #!/bin/bash 2 # 3 # build-testimage - script for producing a test image for podman CI 4 # 5 # The idea is to have a small multi-purpose image that can be pulled once 6 # by system tests and used for as many tests as possible. This image 7 # should live on quay.io, should be small in size, and should include 8 # as many components as needed by system tests so they don't have to 9 # pull other images. 10 # 11 # Unfortunately, "small" is incompatible with "systemd" so tests 12 # still need a fedora image for that. 13 # 14 15 # Buildah binary 16 BUILDAH=${BUILDAH:-buildah} 17 18 # Tag for this new image 19 YMD=$(date +%Y%m%d) 20 21 # git-relative path to this script 22 create_script=$(cd $(dirname $0) && git ls-files --full-name $(basename $0)) 23 if [ -z "$create_script" ]; then 24 create_script=$0 25 fi 26 27 # Creation timestamp, Zulu time 28 create_time_z=$(env TZ=UTC date +'%Y-%m-%dT%H:%M:%SZ') 29 30 set -ex 31 32 # We'll need to create a Containerfile plus various other files to add in 33 # 34 # Please document the reason for all flags, apk's, and anything non-obvious 35 tmpdir=$(mktemp -t -d $(basename $0).tmp.XXXXXXX) 36 cd $tmpdir 37 38 # 'image mount' test will confirm that this file exists and has our YMD tag 39 echo $YMD >testimage-id 40 41 # ...but set the timestamp on the file itself to a constant well-known 42 # value, for use by the 'run --tz' test. Date value chosen for nerdiness 43 # and because it's in the past. (Much as I'd love FFFFFFFF, we can't 44 # use any future date because of unpredictable leap second adjustments). 45 touch --date=@1600000000 testimage-id 46 47 # 'pod' test will use this for --infra-command 48 cat >pause <<EOF 49 #!/bin/sh 50 # 51 # Trivial little pause script, used in one of the pod tests 52 # 53 echo Confirmed: testimage pause invoked as \$0 54 while :; do 55 sleep 0.1 56 done 57 EOF 58 chmod 755 pause 59 60 # alpine because it's small and light and reliable 61 # - check for updates @ https://hub.docker.com/_/alpine 62 # busybox-extras provides httpd needed in 500-networking.bats 63 cat >Containerfile <<EOF 64 ARG REPO=please-override-repo 65 FROM docker.io/\${REPO}/alpine:3.13.5 66 RUN apk add busybox-extras 67 ADD testimage-id pause /home/podman/ 68 LABEL created_by=$create_script 69 LABEL created_at=$create_time_z 70 WORKDIR /home/podman 71 CMD ["/bin/echo", "This container is intended for podman CI testing"] 72 EOF 73 74 # --squash-all : needed by 'tree' test in 070-build.bats 75 podman rmi -f testimage &> /dev/null || true 76 77 # There should always be a testimage tagged ':0000000<X>' (eight digits, 78 # zero-padded sequence ID) in the same location; this is used by tests 79 # which need to pull a non-locally-cached image. This image will rarely 80 # if ever need to change, nor in fact does it even have to be a copy of 81 # this testimage since all we use it for is 'true'. 82 # However, it does need to be multiarch :-( 83 zerotag_latest=$(skopeo list-tags docker://quay.io/libpod/testimage |\ 84 jq -r '.Tags[]' |\ 85 sort --version-sort |\ 86 grep '^000' |\ 87 tail -n 1) 88 zerotag_next=$(printf "%08d" $((zerotag_latest + 1))) 89 90 # We don't always need to push the :00xx image, but build it anyway. 91 zeroimg=quay.io/libpod/testimage:${zerotag_next} 92 buildah manifest create $zeroimg 93 94 # We need to use buildah because (as of 2021-02-23) only buildah has --manifest 95 # and because Dan says arch emulation is not currently working on podman 96 # (no further details). 97 # Arch emulation on Fedora requires the qemu-user-static package. 98 for arch in amd64 arm64 ppc64le s390x;do 99 # docker.io repo is usually the same name as the desired arch; except 100 # for arm64, where podman needs to have the arch be 'arm64' but the 101 # image lives in 'arm64v8'. 102 repo=$arch 103 if [[ $repo = "arm64" ]]; then 104 repo="${repo}v8" 105 fi 106 107 ${BUILDAH} bud \ 108 --arch=$arch \ 109 --build-arg REPO=$repo \ 110 --manifest=testimage \ 111 --squash \ 112 . 113 114 # The zero-tag image 115 ${BUILDAH} pull --arch $arch docker.io/$repo/busybox:1.33.1 116 ${BUILDAH} manifest add $zeroimg docker.io/$repo/busybox:1.33.1 117 done 118 119 # Clean up 120 cd /tmp 121 rm -rf $tmpdir 122 123 # Tag image and push (all arches) to quay. 124 remote_tag=quay.io/libpod/testimage:$YMD 125 podman tag testimage ${remote_tag} 126 cat <<EOF 127 128 If you're happy with these images, run: 129 130 ${BUILDAH} manifest push --all ${remote_tag} docker://${remote_tag} 131 ${BUILDAH} manifest push --all ${zeroimg} docker://${zeroimg} 132 133 (You do not always need to push the :0000 image) 134 135 EOF