Claudio Ortolina
74 lines
2.2 KiB
Bash
Executable File
74 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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#MISE description="Validate that the Dockerfile builder image exists and supports required architectures"
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set -e
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source "$(git rev-parse --show-toplevel)/scripts/_helpers.sh"
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ensure_working_directory!
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required_archs=("amd64" "arm64")
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# Parse Dockerfile ARGs
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elixir_version=$(grep -E '^ARG ELIXIR_VERSION=' Dockerfile | sed 's/ARG ELIXIR_VERSION=//')
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otp_version=$(grep -E '^ARG OTP_VERSION=' Dockerfile | sed 's/ARG OTP_VERSION=//')
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debian_version=$(grep -E '^ARG DEBIAN_VERSION=' Dockerfile | sed 's/ARG DEBIAN_VERSION=//')
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if [[ -z "$elixir_version" || -z "$otp_version" || -z "$debian_version" ]]; then
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echo "Error: could not parse all version ARGs from Dockerfile"
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exit 1
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fi
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tag="${elixir_version}-erlang-${otp_version}-debian-${debian_version}"
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image="hexpm/elixir:${tag}"
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debug_msg "Checking ${image}"
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# Obtain anonymous auth token
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token=$(curl -sf "https://auth.docker.io/token?service=registry.docker.io&scope=repository:hexpm/elixir:pull" | jq -r '.token')
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if [[ -z "$token" || "$token" == "null" ]]; then
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echo "Error: failed to obtain Docker Hub auth token"
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exit 1
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fi
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# Fetch manifest list
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http_code=$(curl -s -o /tmp/manifest.json -w '%{http_code}' \
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-H "Authorization: Bearer ${token}" \
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-H "Accept: application/vnd.docker.distribution.manifest.list.v2+json" \
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"https://registry.hub.docker.com/v2/hexpm/elixir/manifests/${tag}")
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if [[ "$http_code" != "200" ]]; then
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debug_msg "Error: image tag not found on Docker Hub (HTTP ${http_code})"
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rm -f /tmp/manifest.json
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exit 1
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fi
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# Extract supported architectures for linux OS
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supported_archs=$(jq -r '.manifests[]? | select(.platform.os == "linux") | .platform.architecture' /tmp/manifest.json)
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rm -f /tmp/manifest.json
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if [[ -z "$supported_archs" ]]; then
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debug_msg "Error: no linux platform entries found in manifest"
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exit 1
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fi
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all_valid=true
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for arch in "${required_archs[@]}"; do
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if echo "$supported_archs" | grep -qx "$arch"; then
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debug_msg "linux/${arch} supported"
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else
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debug_msg "linux/${arch} NOT supported"
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all_valid=false
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fi
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done
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if [[ "$all_valid" == true ]]; then
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debug_msg "Image is valid for all required architectures"
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else
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debug_msg "Error: image does not support all required architectures"
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exit 1
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fi
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