43 lines
1.3 KiB
Bash
43 lines
1.3 KiB
Bash
#!/usr/bin/env bash
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set -e
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docker-version-osarch() {
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if ! type docker &>/dev/null; then
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# docker is not installed
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return
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fi
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local target="$1" # "Client" or "Server"
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local fmtStr="{{.${target}.Os}}/{{.${target}.Arch}}"
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if docker version -f "$fmtStr" 2>/dev/null; then
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# if "docker version -f" works, let's just use that!
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return
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fi
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docker version | awk '
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$1 ~ /^(Client|Server):$/ { section = 0 }
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$1 == "'"$target"':" { section = 1; next }
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section && $1 == "OS/Arch:" { print $2 }
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# old versions of Docker
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$1 == "OS/Arch" && $2 == "('"${target,,}"'):" { print $3 }
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'
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}
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# Retrieve OS/ARCH of docker daemon, e.g. linux/amd64
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export DOCKER_ENGINE_OSARCH="${DOCKER_ENGINE_OSARCH:=$(docker-version-osarch 'Server')}"
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export DOCKER_ENGINE_GOOS="${DOCKER_ENGINE_OSARCH%/*}"
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export DOCKER_ENGINE_GOARCH="${DOCKER_ENGINE_OSARCH##*/}"
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DOCKER_ENGINE_GOARCH=${DOCKER_ENGINE_GOARCH:=amd64}
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# and the client, just in case
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export DOCKER_CLIENT_OSARCH="$(docker-version-osarch 'Client')"
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export DOCKER_CLIENT_GOOS="${DOCKER_CLIENT_OSARCH%/*}"
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export DOCKER_CLIENT_GOARCH="${DOCKER_CLIENT_OSARCH##*/}"
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DOCKER_CLIENT_GOARCH=${DOCKER_CLIENT_GOARCH:=amd64}
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DOCKERFILE='Dockerfile'
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if [ "${DOCKER_ENGINE_GOOS:-$DOCKER_CLIENT_GOOS}" = "windows" ]; then
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DOCKERFILE='Dockerfile.windows'
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fi
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export DOCKERFILE
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