tx-monitor-node_exporter-build-split-docker

FROM monitor-img:latest AS monitor-node_exporter-img
ARG USER_UID
ARG USER_GID
ARG TX_APP_STEP_VERSION
ARG TX_APP_NODE_EXPORTER_VERSION
#
ARG TX_MONITOR_DIR
ARG TX_MONITOR_APP_DIR
ARG TX_CONTAINER_NAME
ARG TX_STEP_HOST
ARG TX_STEPPATH
ARG TX_DB_HOST
ARG TX_DB_PORT
ARG TX_DB_SHARED_LOCATION
ARG TX_POSTGRES_USER
ARG TX_POSTGRES_DB
ARG TX_SHARED_GROUP_NAME
ARG MY_HOST_FQDN
ARG TX_NODE_EXPORTER_PORT
#node_exporter cert 8h for 8 hours
ARG TX_NODE_EXPORTER_CERT_DUR
#a certificate "needs renewal" when it has passed 2% of its allotted lifetime.
ARG TX_NODE_EXPORTER_EXP_CHECK
ENV TX_MONITOR_DIR=${TX_MONITOR_DIR} \
    TX_MONITOR_APP_DIR=${TX_MONITOR_APP_DIR} \
    TX_CONTAINER_NAME=${TX_CONTAINER_NAME} \
    TX_STEP_HOST=${TX_STEP_HOST} \
    TX_STEPPATH=${TX_STEPPATH} \
    STEPPATH=${TX_STEPPATH} \
    TX_DB_HOST=${TX_DB_HOST} \
    TX_DB_PORT=${TX_DB_PORT} \
    TX_DB_SHARED_LOCATION=${TX_DB_SHARED_LOCATION} \
    TX_POSTGRES_USER=${TX_POSTGRES_USER} \
    TX_POSTGRES_DB=${TX_POSTGRES_DB} \
    TX_SHARED_GROUP_NAME=${TX_SHARED_GROUP_NAME} \
    MY_HOST_FQDN=${MY_HOST_FQDN} \
    TX_NODE_EXPORTER_PORT=${TX_NODE_EXPORTER_PORT} \
    TX_NODE_EXPORTER_CERT_DUR=${TX_NODE_EXPORTER_CERT_DUR} \
    TX_NODE_EXPORTER_EXP_CHECK=${TX_NODE_EXPORTER_EXP_CHECK} 
RUN wget https://dl.smallstep.com/gh-release/cli/gh-release-header/v${TX_APP_STEP_VERSION}/step-cli_${TX_APP_STEP_VERSION}_amd64.rpm \
        && rpm -i step-cli_${TX_APP_STEP_VERSION}_amd64.rpm \
        && rm -rf step-cli_${TX_APP_STEP_VERSION}_amd64.rpm
RUN groupadd -g ${USER_GID} -r node_exporter1 \
        && useradd -r node_exporter1 -g node_exporter1 -u ${USER_UID} -d /home/node_exporter1
RUN usermod -aG $TX_SHARED_GROUP_NAME node_exporter1
RUN mkdir -p /home/node_exporter1/cert /home/node_exporter1/.ssh /home/node_exporter1/.tok /home/node_exporter1/.postgresql /home/node_exporter1/startup  ${TX_MONITOR_DIR}/custom  
RUN mkdir -p ${TX_DB_SHARED_LOCATION}
ADD tx-monitor-node_exporter/config/start-node_exporter.sh /home/node_exporter1/startup/start-node_exporter.sh
#ADD tx-monitor-node_exporter/config/renew-certs.sh /home/node_exporter1/startup/renew-certs.sh
#ADD tx-monitor-node_exporter/config/app.ini ${TX_MONITOR_APP_DIR}/custom/app.ini
WORKDIR ${TX_MONITOR_DIR}
#RUN wget HTTP_LOCATION:/node_exporter/releases/download/v${TX_APP_NODE_EXPORTER_VERSION}/node_exporter-${TX_APP_NODE_EXPORTER_VERSION}-linux-amd64
RUN wget -q https://github.com/prometheus/node_exporter/releases/download/v${TX_APP_NODE_EXPORTER_VERSION}/node_exporter-${TX_APP_NODE_EXPORTER_VERSION}.linux-amd64.tar.gz  \
        && tar -zxvf node_exporter-${TX_APP_NODE_EXPORTER_VERSION}.linux-amd64.tar.gz \
        && rm -rf node_exporter-${TX_APP_NODE_EXPORTER_VERSION}.linux-amd64.tar.gz
RUN ln -s node_exporter-${TX_APP_NODE_EXPORTER_VERSION}.linux-amd64  node_exporter
RUN chmod 700 /home/node_exporter1/.ssh && touch /home/node_exporter1/.ssh/authorized_keys && chmod 600 /home/node_exporter1/.ssh/authorized_keys
#RUN mv node_exporter-${TX_APP_NODE_EXPORTER_VERSION}-linux-amd64 node_exporter
RUN chown -R node_exporter1:node_exporter1 /home/node_exporter1 \
        && chown -R node_exporter1:node_exporter1 ${TX_DB_SHARED_LOCATION} \
        && chown -R node_exporter1:node_exporter1 ${TX_MONITOR_DIR} \
        && chmod 744 ${TX_MONITOR_DIR} \
        && chmod 750 /home/node_exporter1/startup/*.sh
ENV PATH="${PATH}:${TX_MONITOR_APP_DIR}"
USER node_exporter1
WORKDIR /home/node_exporter1
CMD [ "/usr/bin/bash", "-c", "/home/node_exporter1/startup/start-node_exporter.sh"]