DCD-558: Move the server.xml defaulting and fallbacks into the template.

config/server.xml.j2

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<Server port="{{ atl_tomcat_mgmt_port }}"
+<Server port="{{ atl_tomcat_mgmt_port | default('8000') }}"
         shutdown="SHUTDOWN">
 
   <Listener className="org.apache.catalina.startup.VersionLoggerListener"/>
@@ -12,18 +12,18 @@
 
   <Service name="Catalina">
 
-    <Connector port="{{ atl_tomcat_port }}"
+    <Connector port="{{ atl_tomcat_port | default('8090') }}"
-               maxThreads="{{ atl_tomcat_maxthreads }}"
+               maxThreads="{{ atl_tomcat_maxthreads | default('200') }}"
-               minSpareThreads="{{ atl_tomcat_minsparethreads }}"
+               minSpareThreads="{{ atl_tomcat_minsparethreads | default('10') }}"
-               connectionTimeout="{{ atl_tomcat_connectiontimeout }}"
+               connectionTimeout="{{ atl_tomcat_connectiontimeout | default('20000') }}"
-               enableLookups="{{ atl_tomcat_enablelookups }}"
+               enableLookups="{{ atl_tomcat_enablelookups | default('false') }}"
-               protocol="{{ atl_tomcat_protocol }}"
+               protocol="{{ atl_tomcat_protocol | default('HTTP/1.1') }}"
-               redirectPort="{{ atl_tomcat_redirectport }}"
+               redirectPort="{{ atl_tomcat_redirectport | default('8443') }}"
-               acceptCount="{{ atl_tomcat_acceptcount }}"
+               acceptCount="{{ atl_tomcat_acceptcount | default('10') }}"
-               secure="{{ atl_tomcat_secure }}"
+               secure="{{ atl_tomcat_secure | default(catalina_connector_secure) | default('false') }}"
-               scheme="{{ atl_tomcat_scheme }}"
+               scheme="{{ atl_tomcat_scheme | default(catalina_connector_scheme) | default('http') }}"
-               proxyName="{{ atl_proxy_name }}"
+               proxyName="{{ atl_proxy_name | default(catalina_connector_proxyname) | default('') }}"
-               proxyPort="{{ atl_proxy_port }}"
+               proxyPort="{{ atl_proxy_port | default(catalina_connector_proxyport) | default('') }}"
 
                relaxedPathChars="[]|"
                relaxedQueryChars="[]|{}^\`&quot;&lt;&gt;"
@@ -41,7 +41,7 @@
             unpackWARs="true"
             autoDeploy="false"
             startStopThreads="4">
-        <Context path="{{ atl_tomcat_contextpath }}"
+        <Context path="{{ atl_tomcat_contextpath | default(catalina_context_path) | default('') }}"
                  docBase="../confluence"
                  debug="0"
                  reloadable="false"

entrypoint.py

@@ -14,6 +14,11 @@ def set_perms(path, user, group, mode):
     shutil.chown(path, user=user, group=group)
     os.chmod(path, mode)
 
+# Setup Jinja2 for templating
+jenv = j2.Environment(
+    loader=j2.FileSystemLoader('/opt/atlassian/etc/'),
+    autoescape=j2.select_autoescape(['xml']))
+
 def gen_cfg(tmpl, target, env, user='root', group='root', mode=0o644):
     logging.info("Generating {} from template {}".format(target, tmpl))
     cfg = jenv.get_template(tmpl).render(env)
@@ -21,57 +26,28 @@ def gen_cfg(tmpl, target, env, user='root', group='root', mode=0o644):
         fd.write(cfg)
     set_perms(target, user, group, mode)
 
+logging.basicConfig(level=logging.DEBUG)
+
 
 ######################################################################
 # Setup inputs and outputs
 
-# Import all ATL_* and Dockerfile environment variables. We
+# Import all ATL_* and Dockerfile environment variables. We lower-case
-# lower-case these for compatability with Ansible template
+# these for compatability with Ansible template convention. We also
-# convention. We handle default and legacy mappings below.
+# support CATALINA variables from older versions of the Docker images
+# for backwards compatability, if the new version is not set.
 env = {k.lower(): v
        for k, v in os.environ.items()
-       if k.startswith(('ATL_', 'CONFLUENCE_', 'RUN_'))}
+       if k.startswith(('ATL_', 'CONFLUENCE_', 'RUN_', 'CATALINA_'))}
 
 # For compatability with the Ansible templates.
 env['atl_product_home'] = env['confluence_home']
 env['atl_product_home_shared'] = env.get('confluence_shared_home')
 
-# Setup Jinja2 for templating
-jenv = j2.Environment(
-    loader=j2.FileSystemLoader('/opt/atlassian/etc/'),
-    autoescape=j2.select_autoescape(['xml']))
-
-logging.basicConfig(level=logging.DEBUG)
-
 
 ######################################################################
 # Generate server.xml for Tomcat.
 
-defaults = {
-    # We support some variables from older versions of the Docker images
-    # for backwards compatability, if the new version is not set.
-    'atl_proxy_name': os.environ.get('CATALINA_CONNECTOR_PROXYNAME'),
-    'atl_proxy_port': os.environ.get('CATALINA_CONNECTOR_PROXYPORT'),
-    'atl_tomcat_secure': os.environ.get('CATALINA_CONNECTOR_SECURE', 'false'),
-    'atl_tomcat_scheme': os.environ.get('CATALINA_CONNECTOR_SCHEME', 'http'),
-    'atl_tomcat_contextpath': os.environ.get('CATALINA_CONTEXT_PATH'),
-
-    # Other default vals
-    'atl_tomcat_port': "8090",
-    'atl_tomcat_mgmt_port': "8000",
-    'atl_tomcat_maxthreads': "200",
-    'atl_tomcat_minsparethreads': "10",
-    'atl_tomcat_connectiontimeout': "20000",
-    'atl_tomcat_enablelookups': "false",
-    'atl_tomcat_protocol': "HTTP/1.1",
-    'atl_tomcat_redirectport': "8443",
-    'atl_tomcat_acceptcount': "10",
-}
-
-for key, defval in defaults.items():
-    if (key not in env) and defval:
-        env[key] = defval
-
 gen_cfg('server.xml.j2', env['confluence_install_dir']+'/conf/server.xml', env)
 
 

tests/test_image.py

@@ -108,6 +108,27 @@ def test_server_xml_defaults(docker_cli, image):
     assert connector.get('proxyName') == ''
     assert connector.get('proxyPort') == ''
 
+def test_server_xml_catalina_fallback(docker_cli, image):
+    environment = {
+        'CATALINA_CONNECTOR_PROXYNAME': 'PROXYNAME',
+        'CATALINA_CONNECTOR_PROXYPORT': 'PROXYPORT',
+        'CATALINA_CONNECTOR_SECURE': 'SECURE',
+        'CATALINA_CONNECTOR_SCHEME': 'SCHEME',
+        'CATALINA_CONTEXT_PATH': 'CONTEXT'
+    }
+    container = run_image(docker_cli, image, environment=environment)
+    _jvm = wait_for_proc(container, "org.apache.catalina.startup.Bootstrap")
+
+    xml = etree.fromstring(container.file('/opt/atlassian/confluence/conf/server.xml').content)
+    connector = xml.find('.//Connector')
+    context = xml.find('.//Context')
+
+    assert connector.get('proxyName') == 'PROXYNAME'
+    assert connector.get('proxyPort') == 'PROXYPORT'
+    assert connector.get('scheme') == 'SCHEME'
+    assert connector.get('secure') == 'SECURE'
+    assert context.get('path') == 'CONTEXT'
+
 def test_server_xml_params(docker_cli, image):
     environment = {
         'ATL_TOMCAT_MGMT_PORT': '8006',