Add support for Gem Fire session replication

This commit adds support for automatic Tomcat session replication using
Gem Fire by binding to a service that exposes the required service
tag 'session_replication' and service credentials 'locators',
'username' and 'password'.

[#81541998]

Author: Christopher Frost

config/tomcat.yml

@@ -34,3 +34,22 @@ redis_store:
   database: 0
   timeout: 2000
   connection_pool_size: 2
+gemfire_store:
+  gemfire:
+    version: 8.0.+
+    repository_root: "{default.repository.root}/gem-fire"
+  gemfire_modules:
+    version: 8.0.+
+    repository_root: "{default.repository.root}/gem-fire-modules"
+  gemfire_modules_tomcat7:
+    version: 8.0.+
+    repository_root: "{default.repository.root}/gem-fire-modules-tomcat7"
+  gemfire_security:
+    version: 8.0.+
+    repository_root: "{default.repository.root}/gem-fire-security"
+  gemfire_logging:
+    version: 1.5.8
+    repository_root: "{default.repository.root}/slf4j-jdk14"
+  gemfire_logging_api:
+    version: 1.5.8
+    repository_root: "{default.repository.root}/slf4j-api"

lib/java_buildpack/container/tomcat.rb

@@ -22,6 +22,7 @@
 require 'java_buildpack/container/tomcat/tomcat_logging_support'
 require 'java_buildpack/container/tomcat/tomcat_access_logging_support'
 require 'java_buildpack/container/tomcat/tomcat_redis_store'
+require 'java_buildpack/container/tomcat/tomcat_gemfire_store'
 
 module JavaBuildpack
   module Container
@@ -51,6 +52,7 @@ def sub_components(context)
           TomcatLoggingSupport.new(sub_configuration_context(context, 'logging_support')),
           TomcatAccessLoggingSupport.new(sub_configuration_context(context, 'access_logging_support')),
           TomcatRedisStore.new(sub_configuration_context(context, 'redis_store')),
+          TomcatGemfireStore.new(sub_configuration_context(context, 'gemfire_store')),
           TomcatInsightSupport.new(context)
         ]
       end

lib/java_buildpack/container/tomcat/gemfire/gemfire.rb

@@ -0,0 +1,53 @@
+# Encoding: utf-8
+# Cloud Foundry Java Buildpack
+# Copyright 2013 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+require 'java_buildpack/component/versioned_dependency_component'
+require 'java_buildpack/container'
+require 'java_buildpack/container/tomcat/tomcat_utils'
+require 'java_buildpack/logging/logger_factory'
+
+module JavaBuildpack
+  module Container
+
+    # Encapsulates the detect, compile, and release functionality for Tomcat Redis support.
+    class GemFire < JavaBuildpack::Component::VersionedDependencyComponent
+      include JavaBuildpack::Container
+
+      # (see JavaBuildpack::Component::BaseComponent#compile)
+      def compile
+        download_jar(jar_name, tomcat_lib)
+      end
+
+      # (see JavaBuildpack::Component::BaseComponent#release)
+      def release
+      end
+
+      protected
+
+      # (see JavaBuildpack::Component::VersionedDependencyComponent#supports?)
+      def supports?
+        true
+      end
+
+      private
+
+      def jar_name
+        "gemfire-#{@version}.jar"
+      end
+    end
+
+  end
+end

lib/java_buildpack/container/tomcat/gemfire/gemfire_logging.rb

@@ -0,0 +1,53 @@
+# Encoding: utf-8
+# Cloud Foundry Java Buildpack
+# Copyright 2013 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+require 'java_buildpack/component/versioned_dependency_component'
+require 'java_buildpack/container'
+require 'java_buildpack/container/tomcat/tomcat_utils'
+require 'java_buildpack/logging/logger_factory'
+
+module JavaBuildpack
+  module Container
+
+    # Encapsulates the detect, compile, and release functionality for Tomcat Redis support.
+    class GemFireLogging < JavaBuildpack::Component::VersionedDependencyComponent
+      include JavaBuildpack::Container
+
+      # (see JavaBuildpack::Component::BaseComponent#compile)
+      def compile
+        download_jar(jar_name, tomcat_lib)
+      end
+
+      # (see JavaBuildpack::Component::BaseComponent#release)
+      def release
+      end
+
+      protected
+
+      # (see JavaBuildpack::Component::VersionedDependencyComponent#supports?)
+      def supports?
+        true
+      end
+
+      private
+
+      def jar_name
+        "slf4j-jdk14-#{@version}.jar"
+      end
+    end
+
+  end
+end

lib/java_buildpack/container/tomcat/gemfire/gemfire_logging_api.rb

@@ -0,0 +1,53 @@
+# Encoding: utf-8
+# Cloud Foundry Java Buildpack
+# Copyright 2013 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+require 'java_buildpack/component/versioned_dependency_component'
+require 'java_buildpack/container'
+require 'java_buildpack/container/tomcat/tomcat_utils'
+require 'java_buildpack/logging/logger_factory'
+
+module JavaBuildpack
+  module Container
+
+    # Encapsulates the detect, compile, and release functionality for Tomcat Redis support.
+    class GemFireLoggingApi < JavaBuildpack::Component::VersionedDependencyComponent
+      include JavaBuildpack::Container
+
+      # (see JavaBuildpack::Component::BaseComponent#compile)
+      def compile
+        download_jar(jar_name, tomcat_lib)
+      end
+
+      # (see JavaBuildpack::Component::BaseComponent#release)
+      def release
+      end
+
+      protected
+
+      # (see JavaBuildpack::Component::VersionedDependencyComponent#supports?)
+      def supports?
+        true
+      end
+
+      private
+
+      def jar_name
+        "slf4j-api-#{@version}.jar"
+      end
+    end
+
+  end
+end

lib/java_buildpack/container/tomcat/gemfire/gemfire_modules.rb

@@ -0,0 +1,53 @@
+# Encoding: utf-8
+# Cloud Foundry Java Buildpack
+# Copyright 2013 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+require 'java_buildpack/component/versioned_dependency_component'
+require 'java_buildpack/container'
+require 'java_buildpack/container/tomcat/tomcat_utils'
+require 'java_buildpack/logging/logger_factory'
+
+module JavaBuildpack
+  module Container
+
+    # Encapsulates the detect, compile, and release functionality for Tomcat Redis support.
+    class GemFireModules < JavaBuildpack::Component::VersionedDependencyComponent
+      include JavaBuildpack::Container
+
+      # (see JavaBuildpack::Component::BaseComponent#compile)
+      def compile
+        download_jar(jar_name, tomcat_lib)
+      end
+
+      # (see JavaBuildpack::Component::BaseComponent#release)
+      def release
+      end
+
+      protected
+
+      # (see JavaBuildpack::Component::VersionedDependencyComponent#supports?)
+      def supports?
+        true
+      end
+
+      private
+
+      def jar_name
+        "gemfire-modules-#{@version}.jar"
+      end
+    end
+
+  end
+end

lib/java_buildpack/container/tomcat/gemfire/gemfire_modules_tomcat7.rb

@@ -0,0 +1,53 @@
+# Encoding: utf-8
+# Cloud Foundry Java Buildpack
+# Copyright 2013 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+require 'java_buildpack/component/versioned_dependency_component'
+require 'java_buildpack/container'
+require 'java_buildpack/container/tomcat/tomcat_utils'
+require 'java_buildpack/logging/logger_factory'
+
+module JavaBuildpack
+  module Container
+
+    # Encapsulates the detect, compile, and release functionality for Tomcat Redis support.
+    class GemFireModulesTomcat7 < JavaBuildpack::Component::VersionedDependencyComponent
+      include JavaBuildpack::Container
+
+      # (see JavaBuildpack::Component::BaseComponent#compile)
+      def compile
+        download_jar(jar_name, tomcat_lib)
+      end
+
+      # (see JavaBuildpack::Component::BaseComponent#release)
+      def release
+      end
+
+      protected
+
+      # (see JavaBuildpack::Component::VersionedDependencyComponent#supports?)
+      def supports?
+        true
+      end
+
+      private
+
+      def jar_name
+        "gemfire-modules-tomcat7-#{@version}.jar"
+      end
+    end
+
+  end
+end

lib/java_buildpack/container/tomcat/gemfire/gemfire_security.rb

@@ -0,0 +1,53 @@
+# Encoding: utf-8
+# Cloud Foundry Java Buildpack
+# Copyright 2013 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+require 'java_buildpack/component/versioned_dependency_component'
+require 'java_buildpack/container'
+require 'java_buildpack/container/tomcat/tomcat_utils'
+require 'java_buildpack/logging/logger_factory'
+
+module JavaBuildpack
+  module Container
+
+    # Encapsulates the detect, compile, and release functionality for Tomcat Redis support.
+    class GemFireSecurity < JavaBuildpack::Component::VersionedDependencyComponent
+      include JavaBuildpack::Container
+
+      # (see JavaBuildpack::Component::BaseComponent#compile)
+      def compile
+        download_jar(jar_name, tomcat_lib)
+      end
+
+      # (see JavaBuildpack::Component::BaseComponent#release)
+      def release
+      end
+
+      protected
+
+      # (see JavaBuildpack::Component::VersionedDependencyComponent#supports?)
+      def supports?
+        true
+      end
+
+      private
+
+      def jar_name
+        "gemfire-security-#{@version}.jar"
+      end
+    end
+
+  end
+end