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ppc64le: change dockerfile base from gcc to golang

Now that gccgo isn't supported, change the ppc64le dockerfile base image
from a debian:jessie based + gccgo image to a debian:jessie + golang image.
Also includes a go path change to be more consistent across Dockerfiles.

Signed-off-by: Christopher Jones <tophj@linux.vnet.ibm.com>

Christopher Jones authored on 2016/09/02 05:35:47
Showing 1 changed files
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@@ -15,7 +15,8 @@
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 # the case. Therefore, you don't have to disable it anymore.
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 #
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-FROM ppc64le/gcc:6.1
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+# ppc64le/golang is a debian:jessie based image with golang installed
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+FROM ppc64le/golang:1.6.3
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 # Packaged dependencies
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 RUN apt-get update && apt-get install -y \
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@@ -87,20 +88,26 @@ RUN set -x \
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         && rm -rf "$SECCOMP_PATH"
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-## BUILD GOLANG 1.6
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+# Install Go
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+# ppc64le doesn't have official go binaries, so use the version of go installed from the image
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+# to build go from source.
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 # NOTE: ppc64le has compatibility issues with older versions of go, so make sure the version >= 1.6
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 ENV GO_VERSION 1.7
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 ENV GO_DOWNLOAD_URL https://golang.org/dl/go${GO_VERSION}.src.tar.gz
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-ENV GOROOT_BOOTSTRAP /usr/local
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-RUN curl -fsSL "$GO_DOWNLOAD_URL" -o golang.tar.gz \
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-    && tar -C /usr/src -xzf golang.tar.gz \
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-    && rm golang.tar.gz \
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-    && cd /usr/src/go/src && ./make.bash 2>&1
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-
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-ENV GOROOT_BOOTSTRAP /usr/src/
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-
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-ENV PATH /usr/src/go/bin/:/go/bin:$PATH
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+RUN set -x \
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+	&& TEMPDIR="$(mktemp -d)" \
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+	&& mv /usr/local/go $TEMPDIR \
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+	&& GOROOT_BOOTSTRAP=$TEMPDIR/go \
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+	&& cd /usr/local \
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+	&& curl -fsSL "$GO_DOWNLOAD_URL" -o golang.tar.gz \
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+	&& tar -C /usr/local -xzf golang.tar.gz \
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+	&& rm golang.tar.gz \
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+	&& cd go/src && ./make.bash 2>&1 \
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+	&& rm -rf $TEMPDIR 
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+
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+ENV GOROOT_BOOTSTRAP /usr/local/go
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+ENV PATH /usr/local/go/bin/:$PATH
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 ENV GOPATH /go:/go/src/github.com/docker/docker/vendor
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 # Dependency for golint