thredds.yml

# Note that we require Java 8: the GeoTools Java library is
# incompatible with Java 9+. See e.g. the related item at
# https://stackoverflow.com/questions/47888812
- name: Install tomcat
  apt:
    name: [tomcat8, openjdk-8-jre]

# Stop tomcat8 service before making changes
- name: Stop tomcat service
  systemd:
    name: tomcat8
    state: stopped

- name: Install thredds WAR file
  get_url:
    url: ftp://ftp.unidata.ucar.edu/pub/thredds/4.6/current/thredds.war
    dest: /var/lib/tomcat8/webapps/thredds.war
    owner: tomcat8
    group: tomcat8

# Write /usr/share/tomcat8/bin/setenv.sh with java options
- name: Create tomcat setenv.sh
  copy:
    dest: /usr/share/tomcat8/bin/setenv.sh
    owner: root
    group: root
    mode: 0755
    content: |
      #! /bin/sh
      # We need to set JAVA_HOME, to override the default Java version
      export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64/jre

      CONTENT_ROOT=-Dtds.content.root.path=$CATALINA_BASE/content/
      # set java prefs related variables (used by the wms service, for example)
      JAVA_PREFS_ROOTS="-Djava.util.prefs.systemRoot=$CATALINA_BASE/content/thredds/javaUtilPrefs \
                        -Djava.util.prefs.userRoot=$CATALINA_BASE/content/thredds/javaUtilPrefs"
      # Some commonly used JAVA_OPTS settings:
      NORMAL="-Xmx4096m -Xms512m -server -ea"
      HEAP_DUMP="-XX:+HeapDumpOnOutOfMemoryError"
      HEADLESS="-Djava.awt.headless=true"
      # Standard setup.
      JAVA_OPTS="$CONTENT_ROOT $NORMAL $MAX_PERM_GEN $HEAP_DUMP $HEADLESS $JAVA_PREFS_ROOTS"
      export JAVA_OPTS

# Create /var/lib/tomcat8/content; this doesn't happen automatically
- name: Create tomcat & THREDDS content dir
  file:
    path: /var/lib/tomcat8/content
    state: directory
    owner: tomcat8
    group: tomcat8


# Start tomcat; this should unpack the thredds.war file
- name: Start tomcat service
  systemd:
    name: tomcat8
    enabled: yes
    state: started

# Wait until thredds.war has been unpacked
- name: Wait for THREDDS directory creation
  wait_for:
    path: /var/lib/tomcat8/content/thredds/catalog.xml
    state: present

# Add new (dynamic) catalog to /var/lib/tomcat8/content/thredds:
- name: Create THREDDS dynamic catalog
  copy:
    dest: /var/lib/tomcat8/content/thredds/cmip5Catalog.xml
    owner: tomcat8
    group: tomcat8
    content: |
      <?xml version="1.0" encoding="UTF-8"?>
      <catalog name="Unidata Workshop 2006 - NCEP Model Data" version="1.0.1"
          xmlns="http://www.unidata.ucar.edu/namespaces/thredds/InvCatalog/v1.0"
          xmlns:xlink="http://www.w3.org/1999/xlink">
        <service name="all" base="" serviceType="compound">
          <service name="odap" serviceType="OpenDAP" base="/thredds/dodsC/" />
          <service name="dap4" serviceType="DAP4" base="/thredds/dap4/" />
          <service name="http" serviceType="HTTPServer" base="/thredds/fileServer/" />
          <service name="wcs" serviceType="WCS" base="/thredds/wcs/" />
          <service name="wms" serviceType="WMS" base="/thredds/wms/" />
          <!--service name="ncss" serviceType="NetcdfSubset" base="/thredds/ncss/" /-->
        </service>
        <service name="dap" base="" serviceType="compound">
          <service name="odap" serviceType="OpenDAP" base="/thredds/dodsC/" />
          <service name="dap4" serviceType="DAP4" base="/thredds/dap4/" />
        </service>
        <datasetScan name="CMIP5 Data" path="cmip5" location="/mnt/data/data1/thredds/cmip5/" >
          <serviceName>all</serviceName>
          <filter>
            <include wildcard="*.nc"/>
          </filter>
        </datasetScan >
      </catalog>

- name: Recreate main catalog.xml file
  template:
    src: catalog-thredds.xml
    dest: /var/lib/tomcat8/content/thredds/catalog.xml
    mode: 0640
    owner: tomcat8
    group: tomcat8

- name: Activate WCS and WMS services
  template:
    src: threddsConfig.xml
    dest: /var/lib/tomcat8/content/thredds/threddsConfig.xml
    mode: 0640
    owner: tomcat8
    group: tomcat8

- name: Restart tomcat service
  systemd:
    name: tomcat8
    state: restarted