feat(zfs-localpv): initial commit

provisioning and deprovisioning of
the volumes on the node where zfs pool
has already been setup. Pool name and the volume
parameters has to be given in storage class
which will be used to provision the volume.

Signed-off-by: Pawan <pawan@mayadata.io>

buildscripts/build.sh

@@ -0,0 +1,135 @@
+#!/usr/bin/env bash
+#
+# This script builds the application from source for multiple platforms.
+set -e
+
+# Get the parent directory of where this script is.
+SOURCE="${BASH_SOURCE[0]}"
+while [ -h "$SOURCE" ] ; do SOURCE="$(readlink "$SOURCE")"; done
+DIR="$( cd -P "$( dirname "$SOURCE" )/../" && pwd )"
+
+# Change into that directory
+cd "$DIR"
+
+# Get the git commit
+if [ -f $GOPATH/src/github.com/openebs/zfs-localpv/GITCOMMIT ];
+then
+    GIT_COMMIT="$(cat $GOPATH/src/github.com/openebs/zfs-localpv/GITCOMMIT)"
+else
+    GIT_COMMIT="$(git rev-parse HEAD)"
+fi
+
+# Set BUILDMETA based on travis tag
+if [[ -n "$TRAVIS_TAG" ]] && [[ $TRAVIS_TAG != *"RC"* ]]; then
+    echo "released" > BUILDMETA
+fi
+
+# Get the version details
+VERSION="$(cat $GOPATH/src/github.com/openebs/zfs-localpv/VERSION)"
+VERSION_META="$(cat $GOPATH/src/github.com/openebs/zfs-localpv/BUILDMETA)"
+
+# Determine the arch/os combos we're building for
+UNAME=$(uname)
+ARCH=$(uname -m)
+if [ "$UNAME" != "Linux" -a "$UNAME" != "Darwin" ] ; then
+    echo "Sorry, this OS is not supported yet."
+    exit 1
+fi
+
+if [ "$UNAME" = "Darwin" ] ; then
+  XC_OS="darwin"
+elif [ "$UNAME" = "Linux" ] ; then
+  XC_OS="linux"
+fi
+
+if [ "${ARCH}" = "i686" ] ; then
+    XC_ARCH='386'
+elif [ "${ARCH}" = "x86_64" ] ; then
+    XC_ARCH='amd64'
+else
+    echo "Unusable architecture: ${ARCH}"
+    exit 1
+fi
+
+
+if [ -z "${PNAME}" ];
+then
+    echo "Project name not defined"
+    exit 1
+fi
+
+if [ -z "${CTLNAME}" ];
+then
+    echo "CTLNAME not defined"
+    exit 1
+fi
+
+# Delete the old dir
+echo "==> Removing old directory..."
+rm -rf bin/${PNAME}/*
+mkdir -p bin/${PNAME}/
+
+# If its dev mode, only build for ourself
+if [[ "${DEV}" ]]; then
+    XC_OS=$(go env GOOS)
+    XC_ARCH=$(go env GOARCH)
+fi
+
+# Build!
+echo "==> Building ${CTLNAME} using $(go version)... "
+
+GOOS="${XC_OS}"
+GOARCH="${XC_ARCH}"
+output_name="bin/${PNAME}/"$GOOS"_"$GOARCH"/"$CTLNAME
+
+if [ $GOOS = "windows" ]; then
+    output_name+='.exe'
+fi
+env GOOS=$GOOS GOARCH=$GOARCH go build -ldflags \
+    "-X github.com/openebs/zfs-localpv/pkg/version.GitCommit=${GIT_COMMIT} \
+    -X main.CtlName='${CTLNAME}' \
+    -X github.com/openebs/zfs-localpv/pkg/version.Version=${VERSION} \
+    -X github.com/openebs/zfs-localpv/pkg/version.VersionMeta=${VERSION_META}"\
+    -o $output_name\
+    ./cmd
+
+echo ""
+
+# Move all the compiled things to the $GOPATH/bin
+GOPATH=${GOPATH:-$(go env GOPATH)}
+case $(uname) in
+    CYGWIN*)
+        GOPATH="$(cygpath $GOPATH)"
+        ;;
+esac
+OLDIFS=$IFS
+IFS=: MAIN_GOPATH=($GOPATH)
+IFS=$OLDIFS
+
+# Create the gopath bin if not already available
+mkdir -p ${MAIN_GOPATH}/bin/
+
+# Copy our OS/Arch to the bin/ directory
+DEV_PLATFORM="./bin/${PNAME}/$(go env GOOS)_$(go env GOARCH)"
+for F in $(find ${DEV_PLATFORM} -mindepth 1 -maxdepth 1 -type f); do
+    cp ${F} bin/${PNAME}/
+    cp ${F} ${MAIN_GOPATH}/bin/
+done
+
+if [[ "x${DEV}" == "x" ]]; then
+    # Zip and copy to the dist dir
+    echo "==> Packaging..."
+    for PLATFORM in $(find ./bin/${PNAME} -mindepth 1 -maxdepth 1 -type d); do
+        OSARCH=$(basename ${PLATFORM})
+        echo "--> ${OSARCH}"
+
+        pushd "$PLATFORM" >/dev/null 2>&1
+        zip ../${PNAME}-${OSARCH}.zip ./*
+        popd >/dev/null 2>&1
+    done
+fi
+
+# Done!
+echo
+echo "==> Results:"
+ls -hl bin/${PNAME}/