30 lines
1.3 KiB
Bash
30 lines
1.3 KiB
Bash
#!/bin/sh
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# Downloads the official Traefik release for one platform and checks its checksum.
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#
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# deploy/fetch-traefik.sh <os> <arch> <destination-dir>
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#
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# Blacktip ships this exact Traefik version, which is the one it was tested with.
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# Set TRAEFIK_VERSION to try another.
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set -eu
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OS=${1:?os} ARCH=${2:?arch} DEST=${3:?destination}
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VERSION=${TRAEFIK_VERSION:-3.7.16}
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case "$ARCH" in arm) ARCH=armv7 ;; esac
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EXT=tar.gz
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[ "$OS" = windows ] && EXT=zip
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BASE="https://github.com/traefik/traefik/releases/download/v$VERSION"
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FILE="traefik_v${VERSION}_${OS}_${ARCH}.$EXT"
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CACHE=${TRAEFIK_CACHE:-${TMPDIR:-/tmp}/traefik-cache}
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mkdir -p "$CACHE" "$DEST"
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[ -f "$CACHE/$FILE" ] || curl -fsSL -o "$CACHE/$FILE" "$BASE/$FILE"
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[ -f "$CACHE/checksums-$VERSION.txt" ] || curl -fsSL -o "$CACHE/checksums-$VERSION.txt" "$BASE/traefik_v${VERSION}_checksums.txt"
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want=$(grep " $FILE\$" "$CACHE/checksums-$VERSION.txt" | cut -d' ' -f1)
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[ -n "$want" ] || { echo "no checksum listed for $FILE" >&2; exit 1; }
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got=$(sha256sum "$CACHE/$FILE" | cut -d' ' -f1)
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[ "$want" = "$got" ] || { echo "checksum mismatch for $FILE" >&2; rm -f "$CACHE/$FILE"; exit 1; }
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if [ "$EXT" = zip ]; then
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unzip -qo "$CACHE/$FILE" traefik.exe -d "$DEST"
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else
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tar -xzf "$CACHE/$FILE" -C "$DEST" traefik
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fi
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echo "traefik $VERSION for $OS/$ARCH ready"
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