Initial commit

docker-compose.yml

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+version: "3.8"
+services:
+
+  icinga:
+    build:
+      context: ./image-files
+      dockerfile: Dockerfile
+    environment:
+      - HOST=
+      - MASTERHOST=
+      - MASTERPORT=5665
+      - PARENTZONE=
+      - TICKET=

image-files/Dockerfile

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+FROM ubuntu:18.04
+RUN apt-get update && apt-get upgrade -y && apt-get install wget gnupg expect -y && \
+    wget -O - https://packages.icinga.com/icinga.key | apt-key add -
+RUN printf "deb http://packages.icinga.com/ubuntu icinga-bionic main\ndeb-src http://packages.icinga.com/ubuntu icinga-bionic main" > /etc/apt/sources.list.d/icinga2.list && \
+    apt-get update && apt-get install icinga2 -y && \
+    mkdir /run/icinga2 && chown nagios:nagios /run/icinga2 && \
+    mkdir -p /var/lib/icinga2/certs && \
+    chown -R nagios:nagios /var/lib/icinga2/certs
+
+COPY create-satellite.sh /create-satellite.sh
+RUN chmod +x /create-satellite.sh
+
+CMD /create-satellite.sh ; /usr/sbin/icinga2 daemon

image-files/create-satellite.sh

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+#!/bin/bash
+icinga2 pki new-cert --cn $HOST \
+--key /var/lib/icinga2/certs/${HOST}.key \
+--cert /var/lib/icinga2/certs/${HOST}.crt
+
+icinga2 pki save-cert --key /var/lib/icinga2/certs/${HOST}.key \
+--cert /var/lib/icinga2/certs/${HOST}.crt \
+--trustedcert /var/lib/icinga2/certs/${MASTERHOST}.crt \
+--host ${MASTERHOST}
+
+icinga2 node setup --ticket $TICKET \
+--cn $HOST \
+--endpoint ${MASTERHOST},${MASTERHOST},${MASTERPORT} \
+--zone $HOST \
+--parent_zone $PARENTZONE \
+--parent_host $MASTERHOST \
+--trustedcert /var/lib/icinga2/certs/${MASTERHOST}.crt \
+--accept-commands --accept-config \
+--disable-confd