EOS-3585 - Initial KVStore implementation

VERSION

@@ -0,0 +1 @@
+1.0.0

scripts/build.sh

@@ -0,0 +1,237 @@
+#!/bin/bash
+###############################################################################
+# Build script for NSAL component.
+###############################################################################
+set -e
+
+###############################################################################
+# Arguments
+
+# NSAL source repo root.
+NSAL_SOURCE_ROOT=${NSAL_SOURCE_ROOT:-$PWD}
+
+# Root folder for out-of-tree builds, i.e. location for the build folder.
+# For superproject builds: it is derived from EOS_FS_BUILD_ROOT (eos-fs/build-nsal).
+# For local builds: it is based on $PWD (./build-nsal).
+NSAL_CMAKE_BUILD_ROOT=${EOS_FS_BUILD_ROOT:-$NSAL_SOURCE_ROOT}
+
+# Select NSAL KVSTORE implementation.
+NSAL_KVSTORE_BACKEND=${NSAL_KVSTORE_BACKEND:-"mero"}
+
+# Select NSAL Source Version.
+# Superproject: derived from eos-fs version.
+# Local: taken fron VERSION file.
+NSAL_VERSION=${EOS_FS_VERSION:-"$(cat $NSAL_SOURCE_ROOT/VERSION)"}
+
+
+# Select NSAL Build Version.
+# Superproject: derived from eos-fs version.
+# Local: taken from git rev.
+NSAL_BUILD_VERSION=${EOS_FS_BUILD_VERSION:-"$(git rev-parse --short HEAD)"}
+
+###############################################################################
+# Local variables
+
+NSAL_BUILD=$NSAL_CMAKE_BUILD_ROOT/build-nsal
+NSAL_SRC=$NSAL_SOURCE_ROOT/src
+
+USE_KVS_MERO="OFF"
+USE_KVS_REDIS="OFF"
+USE_MERO_STORE="OFF"
+USE_POSIX_STORE="OFF"
+
+case $NSAL_KVSTORE_BACKEND in
+    "mero")
+        USE_KVS_MERO="ON" ;;
+    "redis")
+        USE_KVS_REDIS="ON" ;;
+    *)
+        echo "Invalid KVSAL configuration $NSAL_KVSTORE_BACKEND"
+        exit 1;;
+esac
+
+###############################################################################
+nsal_print_env() {
+    myenv=(
+        NSAL_SOURCE_ROOT
+        NSAL_CMAKE_BUILD_ROOT
+        NSAL_KVSTORE_BACKEND
+        NSAL_VERSION
+        NSAL_BUILD_VERSION
+        NSAL_BUILD
+        NSAL_SRC
+        USE_KVS_MERO
+        USE_KVS_REDIS
+    )
+
+    for i in ${myenv[@]}; do
+        echo "$i=${!i}"
+    done
+}
+
+###############################################################################
+nsal_configure() {
+    if [ -f $NSAL_BUILD/.config ]; then
+        echo "Build folder exists. Please remove it."
+        exit 1;
+    fi
+
+    mkdir $NSAL_BUILD
+    cd $NSAL_BUILD
+
+    local cmd="cmake \
+-DUSE_KVS_MERO=${USE_KVS_MERO} \
+-DUSE_KVS_REDIS=${USE_KVS_REDIS} \
+-DBASE_VERSION:STRING=${NSAL_VERSION} \
+-DRELEASE_VER:STRING=${NSAL_BUILD_VERSION} \
+$NSAL_SRC"
+    echo -e "Config:\n $cmd" > $NSAL_BUILD/.config
+    echo -e "Env:\n $(nsal_print_env)" >> $NSAL_BUILD/.config
+    $cmd
+    cd -
+}
+
+###############################################################################
+nsal_make() {
+    if [ ! -d $NSAL_BUILD ]; then
+        echo "Build folder does not exist. Please run 'config'"
+        exit 1;
+    fi
+
+    cd $NSAL_BUILD
+    make "$@"
+    cd -
+}
+
+###############################################################################
+nsal_purge() {
+    if [ ! -d "$NSAL_BUILD" ]; then
+        echo "Nothing to remove"
+        return 0;
+    fi
+
+    rm -fR "$NSAL_BUILD"
+}
+
+###############################################################################
+nsal_jenkins_build() {
+    nsal_print_env && \
+        nsal_purge && \
+        nsal_configure && \
+        nsal_make all rpms && \
+        nsal_make clean
+        nsal_purge
+}
+
+###############################################################################
+nsal_rpm_gen() {
+    nsal_make rpms
+}
+
+nsal_rpm_install() {
+    local rpms_dir=$HOME/rpmbuild/RPMS/x86_64
+    local suffix="$NSAL_VERSION-$NSAL_BUILD_VERSION.el7.centos.x86_64.rpm"
+    local mypkg=(
+        eos-nsal
+        eos-nsal-debuginfo
+        eos-nsal-devel
+    )
+    local myrpms=()
+
+    for pkg in ${mypkg[@]}; do
+        local rpm_file=$rpms_dir/$pkg-$suffix
+        if [ ! -f $rpm_file ]; then
+            echo "Cannot find RPM file for package "$pkg" ('$rpm_file')"
+            return 1
+        else
+            myrpms+=( $rpm_file )
+        fi
+    done
+
+    echo "Installing the following RPMs:"
+    for rpm in ${myrpms[@]}; do
+        echo "$rpm"
+    done
+
+    sudo yum install -y ${myrpms[@]}
+    local rc=$?
+
+    if [ -f /etc/nsal.d/nsal.ini.rpmsave ]; then
+        sudo mv /etc/nsal.d/nsal.ini.rpmsave /etc/nsal.d/nsal.ini
+    fi
+
+    echo "Done ($rc)."
+    return $rc
+}
+
+nsal_rpm_uninstall() {
+    sudo yum remove -y 'eos-nsal*'
+}
+
+nsal_reinstall() {
+    nsal_rpm_gen &&
+        nsal_rpm_uninstall &&
+        nsal_rpm_install &&
+    echo "OK"
+}
+
+###############################################################################
+nsal_usage() {
+    echo -e "
+NSAL Build script.
+Usage:
+    env <build environment> $0 <action>
+
+Where action is one of the following:
+        help    - Print usage.
+        env     - Show build environment.
+        jenkins - Run automated CI build.
+
+        config  - Run configure step.
+        purge   - Clean up all files generated by build/config steps.
+        reconf  - Clean up build dir and run configure step.
+
+        make    - Run make [...] command.
+
+        reinstall - Build RPMs, remove old pkgs and install new pkgs.
+        rpm-gen - Build RPMs.
+        rpm-install - Install RPMs build by rpm-gen.
+        rpm-uninstall - Uninstall pkgs.
+
+An example of a typical workflow:
+    $0 config -- Generates out-of-tree cmake build folder.
+    $0 make -j -- Compiles files in it.
+    $0 reinstall -- Generates and re-installs RPMs.
+"
+}
+
+###############################################################################
+case $1 in
+    env)
+        nsal_print_env;;
+    jenkins)
+        nsal_jenkins_build;;
+    config)
+        nsal_configure;;
+    reconf)
+        nsal_purge && nsal_configure;;
+    purge)
+        nsal_purge;;
+    make)
+        shift
+        nsal_make "$@" ;;
+    test)
+        nsal_run_tests;;
+    rpm-gen)
+        nsal_rpm_gen;;
+    rpm-install)
+        nsal_rpm_install;;
+    rpm-uninstall)
+        nsal_rpm_uninstall;;
+    reinstall)
+        nsal_reinstall;;
+    *)
+        nsal_usage;;
+esac
+
+###############################################################################