Reduced heap size in elasticsearch scenarios (#94)

Fixes #90 

Reduces heap sizes for Elasticsearch in Molecule scenarios.

Co-authored-by: Thomas Widhalm <thomas.widhalm@netways.de>

Author: danopt

molecule/elasticsearch_cluster-oss/converge.yml

@@ -10,6 +10,7 @@
     elasticsearch_jna_workaround: true
     elasticsearch_disable_systemcallfilterchecks: true
     elastic_release: 7
+    elasticsearch_heap: "1"
   tasks:
     - name: Include Elastics repos role
       include_role:

molecule/elasticsearch_cluster/converge.yml

@@ -9,6 +9,7 @@
     elasticsearch_jna_workaround: true
     elasticsearch_disable_systemcallfilterchecks: true
     elastic_release: "{{ lookup('env', 'ELASTIC_RELEASE') | int}}"
+    elasticsearch_heap: "1"
   tasks:
     - name: Include Elastics repos role
       include_role:

molecule/elasticsearch_default/converge.yml

@@ -11,6 +11,7 @@
     elasticsearch_jna_workaround: true
     elasticsearch_disable_systemcallfilterchecks: true
     elastic_release: "{{ lookup('env', 'ELASTIC_RELEASE') | int}}"
+    elasticsearch_heap: "1"
   tasks:
     - name: Include Elastics repos role
       include_role:

molecule/elasticsearch_no-security/converge.yml

@@ -10,6 +10,7 @@
     elastic_security: false
     elasticsearch_jna_workaround: true
     elasticsearch_disable_systemcallfilterchecks: true
+    elasticsearch_heap: "1"
     elastic_release: 7
   tasks:
     - name: Include Elastics repos role

molecule/elasticstack_default/converge.yml

@@ -7,6 +7,7 @@
     elasticsearch_jna_workaround: true
     elasticsearch_disable_systemcallfilterchecks: true
     elastic_release: "{{ lookup('env', 'ELASTIC_RELEASE') | int}}"
+    elasticsearch_heap: "1"
   tasks:
     - name: Include Elastic Repos
       include_role: