mirror of
https://github.com/netbox-community/netbox-docker.git
synced 2024-11-07 08:34:00 +01:00
459 lines
15 KiB
Bash
Executable File
459 lines
15 KiB
Bash
Executable File
#!/bin/bash
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# Clones the NetBox repository with git from Github and builds the Dockerfile
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echo "▶️ $0 $*"
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set -e
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if [ "${1}x" == "x" ] || [ "${1}" == "--help" ] || [ "${1}" == "-h" ]; then
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_BOLD=$(tput bold)
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_GREEN=$(tput setaf 2)
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_CYAN=$(tput setaf 6)
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_CLEAR=$(tput sgr0)
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cat <<END_OF_HELP
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${_BOLD}Usage:${_CLEAR} ${0} <branch> [--push]
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branch The branch or tag to build. Required.
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--push Pushes the built container image to the registry.
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${_BOLD}You can use the following ENV variables to customize the build:${_CLEAR}
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SRC_ORG Which fork of netbox to use (i.e. github.com/\${SRC_ORG}/\${SRC_REPO}).
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${_GREEN}Default:${_CLEAR} netbox-community
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SRC_REPO The name of the repository to use (i.e. github.com/\${SRC_ORG}/\${SRC_REPO}).
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${_GREEN}Default:${_CLEAR} netbox
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URL Where to fetch the code from.
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Must be a git repository. Can be private.
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${_GREEN}Default:${_CLEAR} https://github.com/\${SRC_ORG}/\${SRC_REPO}.git
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NETBOX_PATH The path where netbox will be checkout out.
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Must not be outside of the netbox-docker repository (because of Docker)!
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${_GREEN}Default:${_CLEAR} .netbox
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SKIP_GIT If defined, git is not invoked and \${NETBOX_PATH} will not be altered.
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This may be useful, if you are manually managing the NETBOX_PATH.
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${_GREEN}Default:${_CLEAR} undefined
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TAG The version part of the image tag.
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${_GREEN}Default:${_CLEAR}
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When <branch>=master: latest
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When <branch>=develop: snapshot
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Else: same as <branch>
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IMAGE_NAMES The names used for the image including the registry
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Used for tagging the image.
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${_GREEN}Default:${_CLEAR} docker.io/netboxcommunity/netbox
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${_CYAN}Example:${_CLEAR} 'docker.io/netboxcommunity/netbox quay.io/netboxcommunity/netbox'
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DOCKER_TAG The name of the tag which is applied to the image.
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Useful for pushing into another registry than hub.docker.com.
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${_GREEN}Default:${_CLEAR} \${DOCKER_REGISTRY}/\${DOCKER_ORG}/\${DOCKER_REPO}:\${TAG}
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DOCKER_SHORT_TAG The name of the short tag which is applied to the
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image. This is used to tag all patch releases to their
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containing version e.g. v2.5.1 -> v2.5
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${_GREEN}Default:${_CLEAR} \${DOCKER_REGISTRY}/\${DOCKER_ORG}/\${DOCKER_REPO}:<MAJOR>.<MINOR>
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DOCKERFILE The name of Dockerfile to use.
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${_GREEN}Default:${_CLEAR} Dockerfile
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DOCKER_FROM The base image to use.
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${_GREEN}Default:${_CLEAR} 'ubuntu:22.04'
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BUILDX_PLATFORMS
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Specifies the platform(s) to build the image for.
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${_CYAN}Example:${_CLEAR} 'linux/amd64,linux/arm64'
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${_GREEN}Default:${_CLEAR} 'linux/amd64'
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BUILDX_BUILDER_NAME
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If defined, the image build will be assigned to the given builder.
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If you specify this variable, make sure that the builder exists.
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If this value is not defined, a new builx builder with the directory name of the
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current directory (i.e. '$(basename "${PWD}")') is created."
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${_CYAN}Example:${_CLEAR} 'clever_lovelace'
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${_GREEN}Default:${_CLEAR} undefined
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BUILDX_REMOVE_BUILDER
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If defined (and only if BUILDX_BUILDER_NAME is undefined),
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then the buildx builder created by this script will be removed after use.
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This is useful if you build NetBox Docker on an automated system that does
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not manage the builders for you.
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${_CYAN}Example:${_CLEAR} 'on'
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${_GREEN}Default:${_CLEAR} undefined
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HTTP_PROXY The proxy to use for http requests.
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${_CYAN}Example:${_CLEAR} http://proxy.domain.tld:3128
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${_GREEN}Default:${_CLEAR} undefined
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NO_PROXY Comma-separated list of domain extensions proxy should not be used for.
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${_CYAN}Example:${_CLEAR} .domain1.tld,.domain2.tld
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${_GREEN}Default:${_CLEAR} undefined
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DEBUG If defined, the script does not stop when certain checks are unsatisfied.
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${_GREEN}Default:${_CLEAR} undefined
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DRY_RUN Prints all build statements instead of running them.
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${_GREEN}Default:${_CLEAR} undefined
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GH_ACTION If defined, special 'echo' statements are enabled that set the
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following environment variables in Github Actions:
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- FINAL_DOCKER_TAG: The final value of the DOCKER_TAG env variable
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${_GREEN}Default:${_CLEAR} undefined
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${_BOLD}Examples:${_CLEAR}
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${0} master
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This will fetch the latest 'master' branch, build a Docker Image and tag it
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'netboxcommunity/netbox:latest'.
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${0} develop
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This will fetch the latest 'develop' branch, build a Docker Image and tag it
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'netboxcommunity/netbox:snapshot'.
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${0} v2.6.6
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This will fetch the 'v2.6.6' tag, build a Docker Image and tag it
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'netboxcommunity/netbox:v2.6.6' and 'netboxcommunity/netbox:v2.6'.
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${0} develop-2.7
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This will fetch the 'develop-2.7' branch, build a Docker Image and tag it
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'netboxcommunity/netbox:develop-2.7'.
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SRC_ORG=cimnine ${0} feature-x
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This will fetch the 'feature-x' branch from https://github.com/cimnine/netbox.git,
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build a Docker Image and tag it 'netboxcommunity/netbox:feature-x'.
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SRC_ORG=cimnine DOCKER_ORG=cimnine ${0} feature-x
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This will fetch the 'feature-x' branch from https://github.com/cimnine/netbox.git,
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build a Docker Image and tag it 'cimnine/netbox:feature-x'.
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END_OF_HELP
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if [ "${1}x" == "x" ]; then
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exit 1
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else
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exit 0
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fi
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fi
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# Check if we have everything needed for the build
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source ./build-functions/check-commands.sh
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# Load all build functions
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source ./build-functions/get-public-image-config.sh
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source ./build-functions/gh-functions.sh
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IMAGE_NAMES="${IMAGE_NAMES-docker.io/netboxcommunity/netbox}"
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IFS=' ' read -ra IMAGE_NAMES <<<"${IMAGE_NAMES}"
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###
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# Enabling dry-run mode
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###
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if [ -z "${DRY_RUN}" ]; then
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DRY=""
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else
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echo "⚠️ DRY_RUN MODE ON ⚠️"
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DRY="echo"
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fi
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gh_echo "::group::⤵️ Fetching the NetBox source code"
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###
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# Variables for fetching the NetBox source
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###
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SRC_ORG="${SRC_ORG-netbox-community}"
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SRC_REPO="${SRC_REPO-netbox}"
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NETBOX_BRANCH="${1}"
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URL="${URL-https://github.com/${SRC_ORG}/${SRC_REPO}.git}"
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NETBOX_PATH="${NETBOX_PATH-.netbox}"
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###
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# Fetching the NetBox source
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###
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if [ "${2}" != "--push-only" ] && [ -z "${SKIP_GIT}" ]; then
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REMOTE_EXISTS=$(git ls-remote --heads --tags "${URL}" "${NETBOX_BRANCH}" | wc -l)
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if [ "${REMOTE_EXISTS}" == "0" ]; then
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echo "❌ Remote branch '${NETBOX_BRANCH}' not found in '${URL}'; Nothing to do"
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gh_out "skipped=true"
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exit 0
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fi
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echo "🌐 Checking out '${NETBOX_BRANCH}' of NetBox from the url '${URL}' into '${NETBOX_PATH}'"
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if [ ! -d "${NETBOX_PATH}" ]; then
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$DRY git clone -q --depth 10 -b "${NETBOX_BRANCH}" "${URL}" "${NETBOX_PATH}"
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fi
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(
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$DRY cd "${NETBOX_PATH}"
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# shellcheck disable=SC2030
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if [ -n "${HTTP_PROXY}" ]; then
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git config http.proxy "${HTTP_PROXY}"
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fi
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$DRY git remote set-url origin "${URL}"
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$DRY git fetch -qp --depth 10 origin "${NETBOX_BRANCH}"
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$DRY git checkout -qf FETCH_HEAD
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$DRY git prune
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)
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echo "✅ Checked out NetBox"
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fi
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gh_echo "::endgroup::"
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gh_echo "::group::🧮 Calculating Values"
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###
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# Determining the value for DOCKERFILE
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# and checking whether it exists
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###
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DOCKERFILE="${DOCKERFILE-Dockerfile}"
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if [ ! -f "${DOCKERFILE}" ]; then
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echo "🚨 The Dockerfile ${DOCKERFILE} doesn't exist."
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if [ -z "${DEBUG}" ]; then
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exit 1
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else
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echo "⚠️ Would exit here with code '1', but DEBUG is enabled."
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fi
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fi
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###
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# Determining the value for DOCKER_FROM
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###
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if [ -z "$DOCKER_FROM" ]; then
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DOCKER_FROM="docker.io/ubuntu:22.04"
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fi
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###
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# Variables for labelling the docker image
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###
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BUILD_DATE="$(date -u '+%Y-%m-%dT%H:%M+00:00')"
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if [ -d ".git" ] && [ -z "${SKIP_GIT}" ]; then
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GIT_REF="$(git rev-parse HEAD)"
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fi
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# Read the project version from the `VERSION` file and trim it, see https://stackoverflow.com/a/3232433/172132
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PROJECT_VERSION="${PROJECT_VERSION-$(sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' VERSION)}"
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# Get the Git information from the netbox directory
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if [ -d "${NETBOX_PATH}/.git" ] && [ -z "${SKIP_GIT}" ]; then
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NETBOX_GIT_REF=$(
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cd "${NETBOX_PATH}"
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git rev-parse HEAD
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)
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NETBOX_GIT_BRANCH=$(
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cd "${NETBOX_PATH}"
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git rev-parse --abbrev-ref HEAD
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)
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NETBOX_GIT_URL=$(
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cd "${NETBOX_PATH}"
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git remote get-url origin
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)
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fi
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###
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# Variables for tagging the docker image
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###
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DOCKER_REGISTRY="${DOCKER_REGISTRY-docker.io}"
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DOCKER_ORG="${DOCKER_ORG-netboxcommunity}"
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DOCKER_REPO="${DOCKER_REPO-netbox}"
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case "${NETBOX_BRANCH}" in
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master)
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TAG="${TAG-latest}"
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;;
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develop)
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TAG="${TAG-snapshot}"
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;;
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*)
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TAG="${TAG-$NETBOX_BRANCH}"
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;;
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esac
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###
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# composing the final TARGET_DOCKER_TAG
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###
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TARGET_DOCKER_TAG="${DOCKER_TAG-${TAG}}"
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TARGET_DOCKER_TAG_PROJECT="${TARGET_DOCKER_TAG}-${PROJECT_VERSION}"
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###
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# composing the additional DOCKER_SHORT_TAG,
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# i.e. "v2.6.1" becomes "v2.6",
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# which is only relevant for version tags
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# Also let "latest" follow the highest version
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###
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if [[ "${TAG}" =~ ^v([0-9]+)\.([0-9]+)\.[0-9]+$ ]]; then
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MAJOR=${BASH_REMATCH[1]}
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MINOR=${BASH_REMATCH[2]}
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TARGET_DOCKER_SHORT_TAG="${DOCKER_SHORT_TAG-v${MAJOR}.${MINOR}}"
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TARGET_DOCKER_LATEST_TAG="latest"
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TARGET_DOCKER_SHORT_TAG_PROJECT="${TARGET_DOCKER_SHORT_TAG}-${PROJECT_VERSION}"
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TARGET_DOCKER_LATEST_TAG_PROJECT="${TARGET_DOCKER_LATEST_TAG}-${PROJECT_VERSION}"
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fi
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IMAGE_NAME_TAGS=()
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for IMAGE_NAME in "${IMAGE_NAMES[@]}"; do
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IMAGE_NAME_TAGS+=("${IMAGE_NAME}:${TARGET_DOCKER_TAG}")
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IMAGE_NAME_TAGS+=("${IMAGE_NAME}:${TARGET_DOCKER_TAG_PROJECT}")
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done
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if [ -n "${TARGET_DOCKER_SHORT_TAG}" ]; then
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for IMAGE_NAME in "${IMAGE_NAMES[@]}"; do
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IMAGE_NAME_TAGS+=("${IMAGE_NAME}:${TARGET_DOCKER_SHORT_TAG}")
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IMAGE_NAME_TAGS+=("${IMAGE_NAME}:${TARGET_DOCKER_SHORT_TAG_PROJECT}")
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IMAGE_NAME_TAGS+=("${IMAGE_NAME}:${TARGET_DOCKER_LATEST_TAG}")
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IMAGE_NAME_TAGS+=("${IMAGE_NAME}:${TARGET_DOCKER_LATEST_TAG_PROJECT}")
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done
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fi
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FINAL_DOCKER_TAG="${IMAGE_NAME_TAGS[0]}"
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gh_env "FINAL_DOCKER_TAG=${IMAGE_NAME_TAGS[0]}"
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###
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# Checking if the build is necessary,
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# meaning build only if one of those values changed:
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# - a new tag is beeing created
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# - base image digest
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# - netbox git ref (Label: netbox.git-ref)
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# - netbox-docker git ref (Label: org.opencontainers.image.revision)
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###
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# Load information from registry (only for first registry in "IMAGE_NAMES")
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SHOULD_BUILD="false"
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BUILD_REASON=""
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if [ -z "${GH_ACTION}" ]; then
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# Asuming non Github builds should always proceed
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SHOULD_BUILD="true"
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BUILD_REASON="${BUILD_REASON} interactive"
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elif [ "false" == "$(check_if_tags_exists "${IMAGE_NAMES[0]}" "$TARGET_DOCKER_TAG")" ]; then
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SHOULD_BUILD="true"
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BUILD_REASON="${BUILD_REASON} newtag"
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else
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echo "Checking labels for '${FINAL_DOCKER_TAG}'"
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BASE_LAST_LAYER=$(get_image_last_layer "${DOCKER_FROM}")
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OLD_BASE_LAST_LAYER=$(get_image_label netbox.last-base-image-layer "${FINAL_DOCKER_TAG}")
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NETBOX_GIT_REF_OLD=$(get_image_label netbox.git-ref "${FINAL_DOCKER_TAG}")
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GIT_REF_OLD=$(get_image_label org.opencontainers.image.revision "${FINAL_DOCKER_TAG}")
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if [ "${BASE_LAST_LAYER}" != "${OLD_BASE_LAST_LAYER}" ]; then
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SHOULD_BUILD="true"
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BUILD_REASON="${BUILD_REASON} ubuntu"
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fi
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if [ "${NETBOX_GIT_REF}" != "${NETBOX_GIT_REF_OLD}" ]; then
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SHOULD_BUILD="true"
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BUILD_REASON="${BUILD_REASON} netbox"
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fi
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if [ "${GIT_REF}" != "${GIT_REF_OLD}" ]; then
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SHOULD_BUILD="true"
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BUILD_REASON="${BUILD_REASON} netbox-docker"
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fi
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fi
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if [ "${SHOULD_BUILD}" != "true" ]; then
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echo "Build skipped because sources didn't change"
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gh_out "skipped=true"
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exit 0 # Nothing to do -> exit
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else
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gh_out "skipped=false"
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fi
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gh_echo "::endgroup::"
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###
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# Build the image
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###
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gh_echo "::group::🏗 Building the image"
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###
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# Composing all arguments for `docker build`
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###
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DOCKER_BUILD_ARGS=(
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--pull
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--target main
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-f "${DOCKERFILE}"
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)
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for IMAGE_NAME in "${IMAGE_NAME_TAGS[@]}"; do
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DOCKER_BUILD_ARGS+=(-t "${IMAGE_NAME}")
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done
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# --label
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DOCKER_BUILD_ARGS+=(
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--label "netbox.original-tag=${TARGET_DOCKER_TAG_PROJECT}"
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--label "org.opencontainers.image.created=${BUILD_DATE}"
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--label "org.opencontainers.image.version=${PROJECT_VERSION}"
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)
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if [ -d ".git" ] && [ -z "${SKIP_GIT}" ]; then
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DOCKER_BUILD_ARGS+=(
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--label "org.opencontainers.image.revision=${GIT_REF}"
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)
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fi
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if [ -d "${NETBOX_PATH}/.git" ] && [ -z "${SKIP_GIT}" ]; then
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DOCKER_BUILD_ARGS+=(
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--label "netbox.git-branch=${NETBOX_GIT_BRANCH}"
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--label "netbox.git-ref=${NETBOX_GIT_REF}"
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--label "netbox.git-url=${NETBOX_GIT_URL}"
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)
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fi
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if [ -n "${BUILD_REASON}" ]; then
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BUILD_REASON=$(sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' <<<"$BUILD_REASON")
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DOCKER_BUILD_ARGS+=(--label "netbox.build-reason=${BUILD_REASON}")
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DOCKER_BUILD_ARGS+=(--label "netbox.last-base-image-layer=${BASE_LAST_LAYER}")
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fi
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# --build-arg
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DOCKER_BUILD_ARGS+=(--build-arg "NETBOX_PATH=${NETBOX_PATH}")
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if [ -n "${DOCKER_FROM}" ]; then
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DOCKER_BUILD_ARGS+=(--build-arg "FROM=${DOCKER_FROM}")
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fi
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# shellcheck disable=SC2031
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if [ -n "${HTTP_PROXY}" ]; then
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DOCKER_BUILD_ARGS+=(--build-arg "http_proxy=${HTTP_PROXY}")
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DOCKER_BUILD_ARGS+=(--build-arg "https_proxy=${HTTPS_PROXY}")
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fi
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if [ -n "${NO_PROXY}" ]; then
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DOCKER_BUILD_ARGS+=(--build-arg "no_proxy=${NO_PROXY}")
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fi
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DOCKER_BUILD_ARGS+=(--platform "${BUILDX_PLATFORM-linux/amd64}")
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if [ "${2}" == "--push" ]; then
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# output type=docker does not work with pushing
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DOCKER_BUILD_ARGS+=(
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--output=type=image
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--push
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)
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else
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DOCKER_BUILD_ARGS+=(
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--output=type=docker
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)
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fi
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###
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# Building the docker image
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###
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if [ -z "${BUILDX_BUILDER_NAME}" ]; then
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BUILDX_BUILDER_NAME="$(basename "${PWD}")"
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fi
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if ! docker buildx ls | grep --quiet --word-regexp "${BUILDX_BUILDER_NAME}"; then
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echo "👷 Creating new Buildx Builder '${BUILDX_BUILDER_NAME}'"
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$DRY docker buildx create --name "${BUILDX_BUILDER_NAME}"
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BUILDX_BUILDER_CREATED="yes"
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fi
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echo "🐳 Building the Docker image '${TARGET_DOCKER_TAG_PROJECT}'."
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echo " Build reason set to: ${BUILD_REASON}"
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$DRY docker buildx \
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--builder "${BUILDX_BUILDER_NAME}" \
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build \
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"${DOCKER_BUILD_ARGS[@]}" \
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.
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echo "✅ Finished building the Docker images"
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gh_echo "::endgroup::" # End group for Build
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gh_echo "::group::🏗 Image Labels"
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echo "🔎 Inspecting labels on '${IMAGE_NAME_TAGS[0]}'"
|
|
$DRY docker inspect "${IMAGE_NAME_TAGS[0]}" --format "{{json .Config.Labels}}" | jq
|
|
gh_echo "::endgroup::"
|
|
|
|
gh_echo "::group::🏗 Clean up"
|
|
if [ -n "${BUILDX_REMOVE_BUILDER}" ] && [ "${BUILDX_BUILDER_CREATED}" == "yes" ]; then
|
|
echo "👷 Removing Buildx Builder '${BUILDX_BUILDER_NAME}'"
|
|
$DRY docker buildx rm "${BUILDX_BUILDER_NAME}"
|
|
fi
|
|
gh_echo "::endgroup::"
|