9d03921908
* Retry docker pulls in CI * Notify caller of retry * Invoke pulls with `-i` * Cleanup retrie default value
43 lines
1.0 KiB
Bash
Executable File
43 lines
1.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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retries=3
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function pull_dockerhub_image_with_retries() {
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local image=$1
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local retries=$2
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for (( i=1; i<=$retries; i++ )); do
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docker pull $image
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# NOTE: this does not discriminate on the failure, any failure will retry
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test "$?" -eq 0 && return || echo "Docker pull failed, sleeping for 5 seconds before retrying ($i/$retries)" && sleep 5
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done
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}
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function main() {
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while getopts ':i:r:' OPTION; do
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case "$OPTION" in
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i)
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image="$OPTARG"
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;;
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r)
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if [[ "$OPTARG" =~ ^(-)?[0-9]+$ ]]; then
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retries="$OPTARG"
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else
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echo "retries (-r) must be a number" && exit 1
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fi
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;;
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?)
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echo "script usage: $(basename "$0") [-i image] [-r retries]" >&2
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exit 1
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;;
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esac
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done
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shift "$(($OPTIND -1))"
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pull_dockerhub_image_with_retries $image $retries
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}
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main "$@"
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