mirror of
https://github.com/peter-evans/dockerhub-description.git
synced 2024-11-22 03:59:34 +01:00
57 lines
1.9 KiB
Bash
Executable file
57 lines
1.9 KiB
Bash
Executable file
#!/bin/sh -l
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set -eo pipefail
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IFS=$'\n\t'
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# Allow DOCKERHUB_* variables to be set from their DOCKER_* variant
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DOCKERHUB_USERNAME=${DOCKERHUB_USERNAME:-${DOCKER_USERNAME}}
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DOCKERHUB_PASSWORD=${DOCKERHUB_PASSWORD:-${DOCKER_PASSWORD}}
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DOCKERHUB_REPOSITORY=${DOCKERHUB_REPOSITORY:-${DOCKER_REPOSITORY}}
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# If the repository isn't explicitly defined, infer it from GitHub if possible
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DOCKERHUB_REPOSITORY=${DOCKERHUB_REPOSITORY:-${GITHUB_REPOSITORY}}
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# Validate we can authenticate
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if [ -z "$DOCKERHUB_USERNAME" ] || [ -z "$DOCKERHUB_PASSWORD" ]; then
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echo 'Unable to authenticate with Docker Hub, set a valid $DOCKERHUB_USERNAME and $DOCKERHUB_PASSWORD'
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exit 1
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fi
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# Validate we have the repository name
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if [ -z "$DOCKERHUB_REPOSITORY" ]; then
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echo 'Unable to determine Docker Hub repository name, set with $DOCKERHUB_REPOSITORY'
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exit 1
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fi
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# Set the default path to README.md
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README_FILEPATH=${README_FILEPATH:="./README.md"}
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# Check the file exists
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if [ ! -f ${README_FILEPATH} ]; then
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echo "Readme file not found"
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exit 1
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fi
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# Check the file size
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if [ $(wc -c <${README_FILEPATH}) -gt 25000 ]; then
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echo "File size exceeds the maximum allowed 25000 bytes"
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exit 1
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fi
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# Acquire a token for the Docker Hub API
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echo "Acquiring token"
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LOGIN_PAYLOAD="{\"username\": \"${DOCKERHUB_USERNAME}\", \"password\": \"${DOCKERHUB_PASSWORD}\"}"
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TOKEN=$(curl -s -H "Content-Type: application/json" -X POST -d ${LOGIN_PAYLOAD} https://hub.docker.com/v2/users/login/ | jq -r .token)
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# Send a PATCH request to update the description of the repository
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echo "Sending PATCH request"
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REPO_URL="https://hub.docker.com/v2/repositories/${DOCKERHUB_REPOSITORY}/"
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RESPONSE_CODE=$(curl -s --write-out %{response_code} --output /dev/null -H "Authorization: JWT ${TOKEN}" -X PATCH --data-urlencode full_description@${README_FILEPATH} ${REPO_URL})
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echo "Received response code: $RESPONSE_CODE"
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if [ $RESPONSE_CODE -eq 200 ]; then
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echo "Request successful"
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exit 0
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else
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echo "Request failed"
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exit 1
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fi
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