Add two new configs to set that the Splunk is running in container env

inventory/environ.py

@@ -113,6 +113,7 @@ def getDefaultVars():
     getASan(defaultVars)
     getDisablePopups(defaultVars)
     getHEC(defaultVars)
+    getContainerEnv(defaultVars)
     getSecrets(defaultVars)
     getSplunkPaths(defaultVars)
     getIndexerClustering(defaultVars)
@@ -523,6 +524,13 @@ def getHEC(vars_scope):
     else:
         vars_scope["splunk"]["hec"]["ssl"] = bool(vars_scope["splunk"]["hec"].get("ssl"))
 
+def getContainerEnv(vars_scope):
+    """
+    Get the configured max cpu, vcpu, and system memory
+    """
+    vars_scope["splunk"]["containerEnv"] = os.environ.get("SPLUNK_CONTAINER_ENV", vars_scope["splunk"].get("containerEnv"))
+    vars_scope["splunk"]["cgroup"] = os.environ.get("SPLUNK_CGROUP_PATH", vars_scope["splunk"].get("cgroup"))
+
 def getDSP(vars_scope):
     """
     Configure DSP settings

roles/splunk_common/tasks/main.yml

@@ -130,4 +130,29 @@
 - include_tasks: add_splunk_license.yml
 
 - include_tasks: disable_popups.yml
-  when: "'disable_popups' in splunk and splunk.disable_popups | bool"
+  when: "'disable_popups' in splunk and splunk.disable_popups | bool"
+
+# set containerEnv to true in limits.conf
+- name: set_container_true
+  ini_file:
+    dest: "{{ splunk.home }}/etc/system/local/limits.conf"
+    section: default
+    option: "containerEnv"
+    value: "{{ splunk.containerEnv }}"
+    owner: "{{ splunk.user }}"
+    group: "{{ splunk.group }}"
+  when:
+    - splunk.containerEnv is defined
+    - splunk.containerEnv | bool
+
+# set cgroup path, if defined, in limits.conf
+- name: set_cgroup_path
+  ini_file:
+    dest: "{{ splunk.home }}/etc/system/local/limits.conf"
+    section: default
+    option: "cgroup"
+    value: "{{ splunk.cgroup }}"
+    owner: "{{ splunk.user }}"
+    group: "{{ splunk.group }}"
+  when:
+    - splunk.cgroup is defined