healthcheck testing

amd64/Dockerfile

@@ -50,10 +50,12 @@ COPY scripts/iobroker_startup.sh iobroker_startup.sh
 COPY scripts/setup_avahi.sh setup_avahi.sh
 COPY scripts/setup_packages.sh setup_packages.sh
 COPY scripts/setup_zwave.sh setup_zwave.sh
+COPY scripts/healthcheck.sh healthcheck.sh
 RUN chmod +x iobroker_startup.sh \
     && chmod +x setup_avahi.sh \
     && chmod +x setup_packages.sh \
-    && chmod +x setup_zwave.sh
+    && chmod +x setup_zwave.sh \
+    && chmod +x healthcheck.sh
 WORKDIR /opt/userscripts/
 COPY scripts/userscript_firststart_example.sh userscript_firststart_example.sh
 COPY scripts/userscript_everystart_example.sh userscript_everystart_example.sh
@@ -62,7 +64,9 @@ COPY scripts/userscript_everystart_example.sh userscript_everystart_example.sh
 WORKDIR /
 RUN apt-get update \
     && curl -sL https://iobroker.net/install.sh | bash - \
-    && echo $(hostname) > /opt/iobroker/.install_host \
+    && mkdir -p /opt/iobroker/.docker_config/ \
+    && echo $(hostname) > /opt/iobroker/.docker_config/.install_host \
+    && echo "starting" > /opt/iobroker/.docker_config/.healthcheck \
     && echo $(hostname) > /opt/.firstrun \
     && rm -rf /var/lib/apt/lists/*
 
@@ -89,5 +93,9 @@ ENV DEBIAN_FRONTEND="teletype" \
     SETUID=1000 \
     TZ="Europe/Berlin"
 
+# healthcheck
+HEALTHCHECK --interval=15s --timeout=5s --retries=5 \
+    CMD ["/bin/bash", "-c", "/opt/scripts/healthcheck.sh"]
+
 # Run startup-script
 ENTRYPOINT ["/bin/bash", "-c", "/opt/scripts/iobroker_startup.sh"]

amd64/scripts/healthcheck.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# Script checks health of running container
+
+if [ "$(cat /opt/iobroker/.docker_config/.healthcheck)" == "starting" ] || [ "$(cat /opt/iobroker/.docker_config/.healthcheck)" == "maintenance" ]
+then
+  exit 0
+else
+  if [ "ps -fe|grep "[i]obroker.js-controller"|awk '{print $2}'" != "" ]
+  then
+    exit 0
+  fi
+fi
+
+exit 1

amd64/scripts/iobroker_startup.sh

@@ -1,5 +1,8 @@
 #!/bin/bash
 
+# Setting healthcheck status to "starting"
+echo "starting" > /opt/iobroker/.docker_config/.healthcheck
+
 # Reading ENV
 adminport=$IOB_ADMINPORT
 avahi=$AVAHI
@@ -16,6 +19,23 @@ statesdbtype=$IOB_STATESDB_TYPE
 usbdevices=$USBDEVICES
 zwave=$ZWAVE
 
+# Writing necessary ENVs to /opt/iobroker/.docker_config/container.config for using it in other scripts
+
+echo '# Simple config file to store ENVs' > /opt/iobroker/.docker_config/container.config
+echo ' ' >> /opt/iobroker/.docker_config/container.config
+if [ "$multihost" = "" ]
+then
+  echo "multihost=master" >> /opt/iobroker/.docker_config/container.config
+else
+  echo "multihost=$multihost" >> /opt/iobroker/.docker_config/container.config
+fi
+if [ "$adminport" = "" ]
+then
+  echo "adminport=8081" >> /opt/iobroker/.docker_config/container.config
+else
+  echo "adminport=$adminport" >> /opt/iobroker/.docker_config/container.config
+fi
+
 # Getting date and time for logging
 dati=`date '+%Y-%m-%d %H:%M:%S'`
 
@@ -173,12 +193,12 @@ echo "Done."
 echo ' '
 
 # Checking for first run of a new installation and renaming ioBroker
-if [ -f /opt/iobroker/.install_host ]
+if [ -f /opt/iobroker/.docker_config/.install_host ]
 then
   echo "Looks like this is a new and empty installation of ioBroker."
   echo "Hostname needs to be updated to " $(hostname)"..."
-    bash iobroker host $(cat /opt/iobroker/.install_host)
-    rm -f /opt/iobroker/.install_host
+    bash iobroker host $(cat /opt/iobroker/.docker_config/.install_host)
+    rm -f /opt/iobroker/.docker_config/.install_host
   echo "Done."
   echo ' '
 elif [ $(bash iobroker object get system.adapter.admin.0 --pretty | grep -oP '(?<="host": ")[^"]*') != $(hostname) ]
@@ -466,6 +486,9 @@ echo ' '
 echo "Starting ioBroker..."
 echo ' '
 
+# Setting healthcheck status to "running"
+echo "running" > /opt/iobroker/.docker_config/.healthcheck
+
 # Function for graceful shutdown by SIGTERM signal
 shut_down() {
   echo ' '