#!/bin/bash
#
# lib/stx-fault
# Functions to control the configuration and operation of the **fault** service

# Dependencies:
#
# - ``functions`` file
# - ``DEST``, ``DATA_DIR``, ``STACK_USER`` must be defined
# - ``SERVICE_{TENANT_NAME|PASSWORD}`` must be defined
# - ``SERVICE_HOST``
# - ``KEYSTONE_TOKEN_FORMAT`` must be defined

# ``stack.sh`` calls the entry points in this order:
#
# - install_fault
# - configure_fault
# - init_fault
# - start_fault
# - stop_fault
# - cleanup_fault

_XTRACE_STX_FAULT=$(set +o | grep xtrace)
set -o xtrace


# Defaults
# --------

PYTHON_BIN_DIR=$(get_python_exec_prefix)
PYTHON_SITE_DIR=$(python -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())")

# Functions
# ---------

function cleanup_fault {
    stop_fault

    if is_service_enabled fm-mgr; then
        cleanup_fm_mgr
    fi
    if is_service_enabled fm-common; then
        cleanup_fm_common
    fi
}

function cleanup_fm_common {
    local x version

    # get fm-common version
    read x version <<< $(grep '^Version: ' ${GITDIR[$STX_FAULT_NAME]}/fm-common/PKG-INFO)
    local major=${version%%.*}
    local minor=${version##*.}
    local prefix=${PYTHON_BIN_DIR%/*}

    sudo rm /etc/ld.so.conf.d/stx-fault.conf

    pushd ${GITDIR[$STX_FAULT_NAME]}/fm-common/sources

    sudo make \
        DEST_DIR=$prefix \
        BIN_DIR=/bin \
        LIB_DIR=/lib \
        INC_DIR=/include \
        MAJOR=$major \
        MINOR=$minor \
        clean

    sudo rm $prefix/bin/fm_db_sync_event_suppression.py \
        $prefix/include/fmConfig.h \
        $prefix/include/fmLog.h

    popd
}

function cleanup_fm_mgr {
    local x version

    # get fm-mgr version
    read x version <<< $(grep '^Version: ' ${GITDIR[$STX_FAULT_NAME]}/fm-mgr/PKG-INFO)
    local major=${version%%.*}
    local minor=${version##*.}

    pushd ${GITDIR[$STX_FAULT_NAME]}/fm-mgr/sources

    sudo make \
        BIN_DIR=/bin \
        LIB_DIR=/lib \
        INC_DIR=/include \
        MAJOR=$major \
        MINOR=$minor \
        clean

    popd
}

function configure_fault {
    :
}

function create_fault_accounts {
    :
}

function create_fault_cache_dir {
    :
}

function create_fault_user_group {
    :
}

function init_fault {
    :
}

function install_fault {
    if is_service_enabled fm-common; then
        install_fm_common
    fi
    if is_service_enabled fm-api; then
        install_fm_api
    fi
    if is_service_enabled fm-rest-api; then
        install_fm_api
    fi
    if is_service_enabled fm-mgr; then
        install_fm_mgr
    fi
}

function install_fm_api {
    pushd ${GITDIR[$STX_FAULT_NAME]}/fm-api
    sudo python setup.py install \
        --root=/ \
        --install-lib=$PYTHON_SITE_DIR \
        --prefix=/usr \
        --install-data=/usr/share \
        --single-version-externally-managed
    popd
}

function install_fm_common {
    local x version

    # get fm-common version
    read x version <<< $(grep '^Version: ' ${GITDIR[$STX_FAULT_NAME]}/fm-common/PKG-INFO)
    local major=${version%%.*}
    local minor=${version##*.}

    # Set up the destinations
    # Making an assumption here about PYTHON_BIN_DIR having ../include be valid
    local prefix=${PYTHON_BIN_DIR%/*}

    # build
    pushd ${GITDIR[$STX_FAULT_NAME]}/fm-common/sources
    make MAJOR=$major MINOR=$minor
    sudo python setup.py build

    # install
    sudo make \
        DEST_DIR=$prefix \
        BIN_DIR=/bin \
        LIB_DIR=/lib \
        INC_DIR=/include \
        MAJOR=$major \
        MINOR=$minor \
        install_non_bb

    sudo python setup.py install \
        --root=/ \
        --install-lib=$PYTHON_SITE_DIR \
        --prefix=/usr \
        --install-data=/usr/share \

    # This _is_ nasty, clean it up
    sudo install -m 755 fm_db_sync_event_suppression.py \
        $prefix/bin/fm_db_sync_event_suppression.py

    # install the headers that used by fm-mgr package
    sudo install -m 644 -p -D fmConfig.h $prefix/include/fmConfig.h
    sudo install -m 644 -p -D fmLog.h $prefix/include/fmLog.h

    # Make sure we can find it later
    # TODO: this should be managed better
    echo /usr/local/lib | sudo tee /etc/ld.so.conf.d/stx-fault.conf
    sudo ldconfig
    popd
}

function install_fm_mgr {
    local x version

    # get fm-mgr version
    read x version <<< $(grep '^Version: ' ${GITDIR[$STX_FAULT_NAME]}/fm-mgr/PKG-INFO)
    local major=${version%%.*}
    local minor=${version##*.}

    # build
    pushd ${GITDIR[$STX_FAULT_NAME]}/fm-mgr/sources
    make MAJOR=$major MINOR=$minor

    # install
    sudo make \
        BIN_DIR=/bin \
        LIB_DIR=/lib \
        INC_DIR=/include \
        MAJOR=$major \
        MINOR=$minor \
        install_non_bb

    popd
}

function install_fm_rest_api {
    :
}

function start_fault {
    :
}

function stop_fault {
    :
}

function stop_fault_api {
    :
}

$_XTRACE_STX_FAULT