Configurable jvm.options.j2 template path

defaults/main.yml

@@ -18,6 +18,7 @@ es_user: elasticsearch
 es_group: elasticsearch
 es_config: {}
 es_config_log4j2: log4j2.properties.j2
+es_config_jvmoptionsj2: jvm.options.j2
 #Need to provide default directories
 es_pid_dir: "/var/run/elasticsearch"
 es_data_dirs: "/var/lib/elasticsearch"

tasks/elasticsearch-config.yml

@@ -61,7 +61,7 @@
 
 - name: Copy jvm.options File for Instance
   become: yes
-  template: src=jvm.options.j2 dest={{conf_dir}}/jvm.options owner={{ es_user }} group={{ es_group }} mode=0644 force=yes
+  template: src={{es_config_jvmoptionsj2}} dest={{conf_dir}}/jvm.options owner={{ es_user }} group={{ es_group }} mode=0644 force=yes
   notify: restart elasticsearch
 
 #Clean up un-wanted package scripts to avoid confusion

test/integration/config.yml

@@ -31,6 +31,7 @@
     es_heap_size: 1g
     #add a custom log4j file
     es_config_log4j2: "./files/logging/log4j2.properties.custom.j2"
+    es_config_jvmoptionsj2: "./test/integration/config/templates/jvm.options.custom.j2"
     es_api_port: 9401
     es_max_threads: 3000
     es_plugins:

test/integration/config/templates/jvm.options.custom.j2

@@ -0,0 +1,118 @@
+## JVM configuration
+
+################################################################
+## IMPORTANT: JVM heap size
+################################################################
+##
+## You should always set the min and max JVM heap
+## size to the same value. For example, to set
+## the heap to 4 GB, set:
+##
+## -Xms4g
+## -Xmx4g
+##
+## See https://www.elastic.co/guide/en/elasticsearch/reference/current/heap-size.html
+## for more information
+##
+################################################################
+
+# Xms represents the initial size of total heap space
+# Xmx represents the maximum size of total heap space
+{% if es_heap_size is defined %}
+-Xms{{ es_heap_size }}
+-Xmx{{ es_heap_size }}
+{% else %}
+-Xms2g
+-Xmx2g
+{% endif %}
+
+################################################################
+## Expert settings
+################################################################
+##
+## All settings below this section are considered
+## expert settings. Don't tamper with them unless
+## you understand what you are doing
+##
+################################################################
+
+## GC configuration
+-XX:+UseConcMarkSweepGC
+-XX:CMSInitiatingOccupancyFraction=75
+-XX:+UseCMSInitiatingOccupancyOnly
+
+## optimizations
+
+# pre-touch memory pages used by the JVM during initialization
+-XX:+AlwaysPreTouch
+
+## basic
+
+# force the server VM
+-server
+
+# set to headless, just in case
+-Djava.awt.headless=true
+
+# ensure UTF-8 encoding by default (e.g. filenames)
+-Dfile.encoding=UTF-8
+
+# use our provided JNA always versus the system one
+-Djna.nosys=true
+
+# use old-style file permissions on JDK9
+-Djdk.io.permissionsUseCanonicalPath=true
+
+# flags to configure Netty
+-Dio.netty.noUnsafe=true
+-Dio.netty.noKeySetOptimization=true
+-Dio.netty.recycler.maxCapacityPerThread=0
+
+# log4j 2
+-Dlog4j.shutdownHookEnabled=false
+-Dlog4j2.disable.jmx=true
+-Dlog4j.skipJansi=true
+
+## heap dumps
+
+# generate a heap dump when an allocation from the Java heap fails
+# heap dumps are created in the working directory of the JVM
+-XX:+HeapDumpOnOutOfMemoryError
+
+# specify an alternative path for heap dumps
+# ensure the directory exists and has sufficient space
+#-XX:HeapDumpPath=${heap.dump.path}
+
+## GC logging
+
+#-XX:+PrintGCDetails
+#-XX:+PrintGCTimeStamps
+#-XX:+PrintGCDateStamps
+#-XX:+PrintClassHistogram
+#-XX:+PrintTenuringDistribution
+#-XX:+PrintGCApplicationStoppedTime
+
+# log GC status to a file with time stamps
+# ensure the directory exists
+#-Xloggc:${loggc}
+
+
+# By default, the GC log file will not rotate.
+# By uncommenting the lines below, the GC log file
+# will be rotated every 128MB at most 32 times.
+#-XX:+UseGCLogFileRotation
+#-XX:NumberOfGCLogFiles=32
+#-XX:GCLogFileSize=128M
+
+# Elasticsearch 5.0.0 will throw an exception on unquoted field names in JSON.
+# If documents were already indexed with unquoted fields in a previous version
+# of Elasticsearch, some operations may throw errors.
+#
+# WARNING: This option will be removed in Elasticsearch 6.0.0 and is provided
+# only for migration purposes.
+#-Delasticsearch.json.allow_unquoted_field_names=true
+{% if es_jvm_custom_parameters !='' %}
+{% for item in es_jvm_custom_parameters %}
+{{ item }}
+{% endfor %}
+{% endif %}