make it possible to specify -D options at the jvm startup

michaelklishin · Jun 1, 2017 · fc88ae8 · fc88ae8
1 parent 1ec2215
commit fc88ae8
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Showing 2 changed files with 8 additions and 0 deletions.
diff --git a/attributes/default.rb b/attributes/default.rb
@@ -138,6 +138,8 @@
 default['cassandra']['jvm']['agentpath'] = nil
 default['cassandra']['jvm']['misc_java_agents'] = []
 
+default['cassandra']['jvm']['misc_jvm_options'] = []
+
 default['cassandra']['gc_survivor_ratio'] = 8
 default['cassandra']['gc_max_tenuring_threshold'] = 1
 default['cassandra']['gc_cms_initiating_occupancy_fraction'] = 75

diff --git a/templates/default/cassandra-env.sh.erb b/templates/default/cassandra-env.sh.erb
@@ -335,6 +335,12 @@ JVM_OPTS="$JVM_OPTS -javaagent:<%= agent.to_s -%>"
 <% end %>
 <% end %>
 
+<% if node['cassandra']['jvm']['misc_jvm_options'] %>
+<% node['cassandra']['jvm']['misc_jvm_options'].each do |option| %>
+JVM_OPTS="$JVM_OPTS -D<%= option.to_s -%>"
+<% end %>
+<% end %>
+
 JVM_OPTS="$JVM_OPTS $MX4J_ADDRESS"
 JVM_OPTS="$JVM_OPTS $MX4J_PORT"
 JVM_OPTS="$JVM_OPTS $JVM_EXTRA_OPTS"