# syntax=docker/dockerfile:1.6
ARG OS_BASE_IMAGE=registry.access.redhat.com/ubi10/ubi-minimal:10.1
FROM ${OS_BASE_IMAGE}

ARG MAJOR_VERSION=8.0
ARG RELEASE=0
ARG ZBX_VERSION=${MAJOR_VERSION}

ARG ZBX_SOURCES=https://git.zabbix.com/scm/zbx/zabbix.git

ENV TERM=xterm \
    ZBX_VERSION=${ZBX_VERSION} \
    ZBX_SOURCES=${ZBX_SOURCES} \
    MIBDIRS=/usr/share/snmp/mibs:/var/lib/zabbix/mibs MIBS=+ALL \
    ZBX_SNMP_TRAP_DATE_FORMAT=+%Y-%m-%dT%T%z ZBX_SNMP_TRAP_FORMAT="\n" \
    ZBX_SNMP_TRAP_USE_DNS=false \
    ZABBIX_USER_HOME_DIR=/var/lib/zabbix

ENV SNMP_PERSISTENT_DIR=${ZABBIX_USER_HOME_DIR}/snmptrapd_config

LABEL description="Zabbix SNMP traps receiver" \
      maintainer="alexey.pustovalov@zabbix.com" \
      name="zabbix/zabbix-snmptraps-trunk" \
      release="${RELEASE}" \
      run="docker run --name zabbix-snmptraps --link zabbix-server:zabbix-server -p 162:1162/udp -d registry.connect.redhat.com/zabbix/zabbix-snmptraps-trunk:${ZBX_VERSION}" \
      summary="Zabbix SNMP traps receiver" \
      url="https://www.zabbix.com/" \
      vendor="Zabbix SIA" \
      version="${MAJOR_VERSION}" \
      io.k8s.description="Zabbix SNMP traps receiver" \
      io.k8s.display-name="Zabbix SNMP traps receiver" \
      io.openshift.expose-services="162:1162" \
      io.openshift.tags="zabbix,zabbix-snmp,snmp-traps" \
      org.label-schema.build-date="${BUILD_DATE}" \
      org.label-schema.description="Zabbix SNMP traps receiver" \
      org.label-schema.docker.cmd="docker run --name zabbix-snmptraps --link zabbix-server:zabbix-server -p 162:1162/udp -d registry.connect.redhat.com/zabbix/zabbix-snmptraps-trunk:${ZBX_VERSION}" \
      org.label-schema.license="AGPL v3.0" \
      org.label-schema.name="zabbix-snmptraps-rhel" \
      org.label-schema.schema-version="1.0" \
      org.label-schema.url="https://zabbix.com/" \
      org.label-schema.usage="https://www.zabbix.com/documentation/${MAJOR_VERSION}/manual/installation/containers" \
      org.label-schema.vcs-ref="${VCS_REF}" \
      org.label-schema.vcs-url="${ZBX_SOURCES}" \
      org.label-schema.vendor="Zabbix SIA" \
      org.label-schema.version="${ZBX_VERSION}"

STOPSIGNAL SIGTERM

COPY licenses /licenses/

RUN --mount=type=tmpfs,target=/var/lib/dnf/ \
    --mount=type=tmpfs,target=/var/cache/yum/ \
    --mount=from=config_templates,target=/tmp/conf,ro \
    --mount=from=scripts,target=/tmp/scripts,ro \
    set -eux && \
    INSTALL_PKGS="bash \
            shadow-utils \
            net-snmp" && \
    microdnf -y install \
            --disableplugin=subscription-manager \
            --disablerepo="*" \
            --enablerepo="ubi-10-baseos-rpms" \
            --enablerepo="ubi-10-appstream-rpms" \
            --setopt=install_weak_deps=0 \
            --setopt=keepcache=0 \
            --best \
            --setopt=tsflags=nodocs \
        ${INSTALL_PKGS} && \
    microdnf -y update \
            --disableplugin=subscription-manager \
            --disablerepo="*" \
            --enablerepo="ubi-10-baseos-rpms" \
            --setopt=install_weak_deps=0 \
            --best \
            --setopt=tsflags=nodocs \
        tzdata && \
    groupadd \
            --system \
            --gid 1995 \
        zabbix && \
    useradd \
            --system \
            --comment "Zabbix monitoring system" \
            -g zabbix \
            --uid 1997 \
            --shell /sbin/nologin \
            --home-dir ${ZABBIX_USER_HOME_DIR} \
        zabbix && \
    mkdir -p ${ZABBIX_USER_HOME_DIR} \
        ${ZABBIX_USER_HOME_DIR}/snmptraps \
        ${ZABBIX_USER_HOME_DIR}/mibs \
        ${SNMP_PERSISTENT_DIR} && \
    cp /tmp/conf/logrotate.d/zabbix_snmptraps /etc/logrotate.d/ && \
    cp /tmp/conf/snmp/snmptrapd.conf /etc/snmp/ && \
    cp /tmp/scripts/zabbix_trap_handler.sh /usr/sbin/ && \
    cp /tmp/scripts/snmptrapd_runner.sh /usr/sbin/ && \
    FIX_PERM_LIST="\
        /etc/snmp/ \
        ${ZABBIX_USER_HOME_DIR}/ \
        /var/tmp/ \
        /var/run/" && \
    chown --quiet -R zabbix:root ${FIX_PERM_LIST} && \
    chgrp -R 0 ${FIX_PERM_LIST} && \
    chmod -R g=u ${FIX_PERM_LIST}

EXPOSE 1162/udp

WORKDIR ${ZABBIX_USER_HOME_DIR}/snmptraps/

VOLUME ["${ZABBIX_USER_HOME_DIR}/snmptraps", "${SNMP_PERSISTENT_DIR}"]

USER 1997

CMD ["/usr/sbin/snmptrapd_runner.sh"]
