create_metrics_agent_installer.sh

#!/bin/bash -e

# shellcheck disable=SC1091
source commons

log() { echo -e "$(date --iso-8601=seconds)" "$1"; }
error() { log "ERROR: $1"; }
warn() { log "WARNING: $1"; }
inf() { log "INFO: $1"; }

MONASCA_AGENT_VERSION=""
UPPER_CONSTRAINTS_FILE=""
INSTALL_LIBVIRT_DEPENDENCIES=false

# check for additional arguments in call to override default values (above)
while [[ $# -gt 0 ]]
do
    key="$1"

    case $key in
        -v|--monasca_agent_version)
        MONASCA_AGENT_VERSION="$2"
        shift 2
        ;;
        -u|--upper_constraints_file)
        UPPER_CONSTRAINTS_FILE="$2"
        shift 2
        ;;
        --install_libvirt_dependencies)
        INSTALL_LIBVIRT_DEPENDENCIES=true
        shift
        ;;
        *)    # unknown option
        shift
        ;;
    esac
done

if [ -z "$MONASCA_AGENT_VERSION" ]; then
	echo "--monasca_agent_version argument is missing"
	exit 1
fi

MONASCA_AGENT_TMP_DIR="${TMP_DIR}/monasca-agent"
PIP_DEPENDENCIES=("pymysql")
LIBVIRT_DEPENDENCIES=("libvirt-python" "lxml" "python-neutronclient" "python-novaclient")

mkdir -p "${MONASCA_AGENT_TMP_DIR}"

inf "Creating virtual environment in temporary location"
virtualenv "${MONASCA_AGENT_TMP_DIR}"

inf "Downloading Monasca Agent in version: ${MONASCA_AGENT_VERSION}"
if [ -z "${UPPER_CONSTRAINTS_FILE}" ]; then
    inf "No upper constraints file specified"
    "${MONASCA_AGENT_TMP_DIR}"/bin/pip install monasca-agent=="$MONASCA_AGENT_VERSION"
    for pip_dependencies in "${PIP_DEPENDENCIES[@]}"; do
        "${MONASCA_AGENT_TMP_DIR}"/bin/pip install "$pip_dependencies"
    done
    if [ ${INSTALL_LIBVIRT_DEPENDENCIES} = true ]; then
        inf "Downloading libvirt dependencies"
        for libvirt_dependencies in "${LIBVIRT_DEPENDENCIES[@]}"; do
            "${MONASCA_AGENT_TMP_DIR}"/bin/pip install "$libvirt_dependencies"
        done
    fi
else
    inf "Using upper constraints file: ${UPPER_CONSTRAINTS_FILE}"
    # If you need to build from a git repository instead of PyPI
    # "${MONASCA_AGENT_TMP_DIR}"/bin/pip install git+https://github.com/openstack/monasca-agent.git@"$MONASCA_AGENT_VERSION" -c "${UPPER_CONSTRAINTS_FILE}"
    "${MONASCA_AGENT_TMP_DIR}"/bin/pip install -c "${UPPER_CONSTRAINTS_FILE}" monasca-agent=="$MONASCA_AGENT_VERSION"
    for dependencies in "${PIP_DEPENDENCIES[@]}"; do
        "${MONASCA_AGENT_TMP_DIR}"/bin/pip install -c "${UPPER_CONSTRAINTS_FILE}" "$dependencies"
    done
    if [ ${INSTALL_LIBVIRT_DEPENDENCIES} = true ]; then
        inf "Downloading libvirt dependencies"
        for libvirt_dependencies in "${LIBVIRT_DEPENDENCIES[@]}"; do
            "${MONASCA_AGENT_TMP_DIR}"/bin/pip install -c "${UPPER_CONSTRAINTS_FILE}" "$libvirt_dependencies"
        done
    fi
fi

#TODO: Replace static IP with placeholder in:
# https://github.com/openstack/monasca-agent/blob/master/conf.d/libvirt.yaml.example
LIBVIRT_EXAMPLE_FILE=$(find "${MONASCA_AGENT_TMP_DIR}" -name libvirt.yaml.example)
sed -i -e "s/project_name: service/project_name: services/g" "${LIBVIRT_EXAMPLE_FILE}"
sed -i -e "s|192.168.10.5/identity|<keystone_ip>:35357|g" "${LIBVIRT_EXAMPLE_FILE}"

# Clean Python binary files
find "${MONASCA_AGENT_TMP_DIR}" -name '*.pyc' -delete

virtualenv --relocatable "${MONASCA_AGENT_TMP_DIR}"

cp configure_metrics_agent.sh "${MONASCA_AGENT_TMP_DIR}"/bin

inf "Downloading latest Makeself"
if [ -d "${MAKESELF_DIR}" ]; then
    cd "${MAKESELF_DIR}" || exit
    git pull
    cd -
else
    git clone "${MAKESELF_REPO}" "${MAKESELF_DIR}"
fi

cat metrics_agent_help_header > metrics_agent_help_header.tmp
"${MONASCA_AGENT_TMP_DIR}"/bin/python "${MONASCA_AGENT_TMP_DIR}"/bin/monasca-setup --help \
    >> metrics_agent_help_header.tmp

inf "Creating Monasca Agent installer file"
"${MAKESELF_DIR}"/makeself.sh --notemp \
                              --tar-quietly \
                              --help-header metrics_agent_help_header.tmp \
                              "${MONASCA_AGENT_TMP_DIR}" \
                              monasca-agent-"${MONASCA_AGENT_VERSION}".run \
                              "Monasca Agent installer" \
                              ./bin/configure_metrics_agent.sh

inf "Removing temporary files"
rm -rf "${MONASCA_AGENT_TMP_DIR}"

inf "Process of creating Monasca Agent installer ended successfully"