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87 lines
2.1 KiB
Bash
87 lines
2.1 KiB
Bash
#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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# args: https://hub.docker.com/v2/repositories/harisekhon/hbase/tags | jq .
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#
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# Author: Hari Sekhon
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# Date: 2020-09-14 15:25:12 +0100 (Mon, 14 Sep 2020)
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#
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# https://github.com/harisekhon/bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/harisekhon
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#
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(dirname "${BASH_SOURCE[0]}")"
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# shellcheck disable=SC1090
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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC1090
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. "$srcdir/lib/git.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Queries a Docker Registry API v2
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Sends basic HTTP authentication if the following environment variables are defined:
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\$DOCKER_USERNAME / \$DOCKER_USER
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\$DOCKER_PASSWORD / \$DOCKER_TOKEN
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Can specify \$CURL_OPTS for options to pass to curl or provide them as arguments
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API Reference:
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https://docs.docker.com/registry/spec/api/
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Examples:
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# Get all the tags for a given repository called 'harisekhon/hbase' on DockerHub's public registry:
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${0##*/} https://hub.docker.com/v2/repositories/harisekhon/hbase/tags
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For authenticated queries against DockerHub which requires a more complicated OAuth or JWT workflow
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rather than basic authentication, this script calls the adjacent 'dockerhub_api.sh' script
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="https://host:port/v2/... [<curl_options>]"
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CURL_OPTS="-sS --fail --connect-timeout 3 ${CURL_OPTS:-}"
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help_usage "$@"
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min_args 1 "$@"
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user="${DOCKER_USERNAME:-${DOCKER_USER:-}}"
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PASSWORD="${DOCKER_PASSWORD:-${DOCKER_TOKEN:-}}"
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if [ -n "$user" ]; then
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export USERNAME="$user"
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fi
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export PASSWORD
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url="$1"
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shift || :
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if [[ "$url" =~ hub.docker.com ]]; then
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"$srcdir/dockerhub_api.sh" "$url" "$@"
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elif [ -n "${PASSWORD:-}" ]; then
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# want splitting
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# shellcheck disable=SC2086
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"$srcdir/curl_auth.sh" "$url" "$@" $CURL_OPTS
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else
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# want splitting
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# shellcheck disable=SC2086
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curl "$url" "$@" $CURL_OPTS
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fi
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