From 497f8519fc85e33777c95755c46023ecf648a30e Mon Sep 17 00:00:00 2001
From: Manuel Bentele
Date: Thu, 20 May 2021 17:04:25 +0200
Subject: [server] Start dozmod-server Docker container after database Docker
 container is ready

---
 .../pkg/docker/dozmod-server_dockerfile            | 36 ++++++++++------------
 1 file changed, 16 insertions(+), 20 deletions(-)

(limited to 'dozentenmodulserver/pkg')

diff --git a/dozentenmodulserver/pkg/docker/dozmod-server_dockerfile b/dozentenmodulserver/pkg/docker/dozmod-server_dockerfile
index cb372793..2f15f2bf 100644
--- a/dozentenmodulserver/pkg/docker/dozmod-server_dockerfile
+++ b/dozentenmodulserver/pkg/docker/dozmod-server_dockerfile
@@ -2,17 +2,16 @@ FROM ubuntu:focal
 
 ARG DOZMOD_SERVER_FILE
 ARG DOZMOD_CONFIG_FILE
-ARG DOZMOD_MASTER_SERVER=localhost
+
 ARG DOZMOD_SERVER_PATH=/opt/bwLehrpool
 ARG DOZMOD_VSTORE_PATH=/mnt/bwLehrpool
-ARG DOZMOD_DATABASE_NAME=dozmod
-ARG DOZMOD_DATABASE_HOST=localhost
-ARG DOZMOD_DATABASE_USER=dozmod
-ARG DOZMOD_DATABASE_PASSWORD=dozmod
+ENV DOZMOD_DATABASE_HOST=localhost
+ENV DOZMOD_DATABASE_PORT=3306
+ENV DOZMOD_DATABASE_CONNECTION_WAIT_TIMEOUT=1m
 
 # install required packages
 RUN apt-get update  -y && \
-    apt-get install -y openjdk-8-jre-headless
+    apt-get install -y openjdk-8-jre-headless wget
 
 # make folder for dozmod Java server application and VMs
 RUN mkdir -p ${DOZMOD_SERVER_PATH}
@@ -21,23 +20,20 @@ RUN mkdir -p ${DOZMOD_VSTORE_PATH}
 # change working directory
 WORKDIR ${DOZMOD_SERVER_PATH}
 
-# copy application and configuration file
+# install dockerize
+ENV DOCKERIZE_VERSION=v0.6.1
+RUN wget -q https://github.com/jwilder/dockerize/releases/download/${DOCKERIZE_VERSION}/dockerize-linux-amd64-${DOCKERIZE_VERSION}.tar.gz && \
+    tar -C /usr/local/bin -xzvf dockerize-linux-amd64-${DOCKERIZE_VERSION}.tar.gz && \
+    rm dockerize-linux-amd64-${DOCKERIZE_VERSION}.tar.gz
+
+# copy application into the image
 COPY ${DOZMOD_SERVER_FILE} dozmod-server.jar
 
-# customize configuration
-RUN echo "#" \
-     "\n""# Autogenerated configuration. Do not edit!" \
-     "\n""#" \
-     "\n""vmstore.path = ${DOZMOD_VSTORE_PATH}" \
-     "\n""db.uri = jdbc:mysql://${DOZMOD_DATABASE_HOST}/${DOZMOD_DATABASE_NAME}?autoReconnect=true&useUnicode=true&characterEncoding=UTF-8&characterSetResults=utf8&connectionCollation=utf8mb4_unicode_ci" \
-     "\n""db.username = ${DOZMOD_DATABASE_USER}" \
-     "\n""db.password = ${DOZMOD_DATABASE_PASSWORD}" \
-     "\n""db.location-table = " \
-     "\n""master.address = ${DOZMOD_MASTER_SERVER}" > config.properties && \
-    sed -i 's/[[:space:]]\+$//' config.properties
+# copy configuration template into the image
+COPY ${DOZMOD_CONFIG_FILE} config.properties.tmpl
 
 # expose network ports
 EXPOSE 9080 9090 9091
 
-# run the dozmod-server
-CMD [ "java", "-jar", "dozmod-server.jar" ]
+# finalize configuration from environment variables and run the dozmod-server
+CMD dockerize -template config.properties.tmpl:config.properties -wait tcp://${DOZMOD_DATABASE_HOST}:${DOZMOD_DATABASE_PORT} -timeout ${DOZMOD_DATABASE_CONNECTION_WAIT_TIMEOUT} java -jar dozmod-server.jar
-- 
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