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This script reads images.txt and copies the images from docker.io (or other registries) to the local registry in the CI. Signed-off-by: Niels de Vos <ndevos@redhat.com>
53 lines
1.6 KiB
Bash
Executable File
53 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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#
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# Mirror images listed in images.txt to the internal CI registry.
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#
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# Set DOCKER_CONFIG_JSON to the contents of ~/.docker/config.json to use the
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# authentication details from a cached configuration file.
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#
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# Set CI_REGISTRY_USER and CI_REGISTRY_PASSWD with the login details for the CI
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# registry.
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#
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CI_REGISTRY='registry-ceph-csi.apps.ocp.ci.centos.org'
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# get_image_entries returns the contents of images.txt without comments or empty lines
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function get_image_entries() {
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grep -v -e '^#' -e '^$' images.txt
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}
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# create a temporary containers/auth.json for skopeo usage
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REGISTRY_AUTH_FILE="$(mktemp -t)"
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export REGISTRY_AUTH_FILE
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# make the temporary containers/auth.json a valid json file
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echo '{}' > "${REGISTRY_AUTH_FILE}"
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# if DOCKER_CONFIG_JSON is non-empty, use the credentials from there
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if [ -n "${DOCKER_CONFIG_JSON}" ]
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then
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echo 'using ~/docker/config.json from env:DOCKER_CONFIG_JSON'
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echo "${DOCKER_CONFIG_JSON}" > "${REGISTRY_AUTH_FILE}"
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fi
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# login on the CI registry if the user/passwd are available
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if [ -n "${CI_REGISTRY_USER}" ] && [ -n "${CI_REGISTRY_PASSWD}" ]
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then
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echo 'using CI registry login from env:CI_REGISTRY_USER and env:CI_REGISTRY_PASSWD'
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skopeo login \
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--username="${CI_REGISTRY_USER}" \
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--password="${CI_REGISTRY_PASSWD}" \
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"${CI_REGISTRY}"
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fi
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# read each line from get_image_entries() into an array
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while read -r -a IMAGE_ENTRY
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do
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# 1st entry in the array is the source
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# 2nd entry in the array is the destination in the CI registry
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SRC="docker://${IMAGE_ENTRY[0]}"
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DST="docker://${CI_REGISTRY}/${IMAGE_ENTRY[1]}"
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echo "going to copy ${SRC} to ${DST}"
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skopeo copy "${SRC}" "${DST}"
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done <<< "$(get_image_entries)"
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