ENT-4664: Added sys.policy_version

libenv/sysinfo.c

@@ -3944,7 +3944,19 @@ static void SysPolicyReleaseId(EvalContext *ctx, Policy *policy)
     free(release_id);
 }
 
+static void SysPolicyVersion(EvalContext *ctx)
+{
+    const char *version = EvalContextVariableControlCommonGet(ctx, COMMON_CONTROL_VERSION);
+    if (version != NULL)
+    {
+        EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_SYS, "policy_version", version, CF_DATA_TYPE_STRING,
+                                "inventory,source=agent,attribute_name=CFEngine policy version,derived-from=default:control_common.version");
+    }
+}
+
+
 void DetectEnvironmentFromPolicy(EvalContext *ctx, Policy *policy)
 {
     SysPolicyReleaseId(ctx, policy);
+    SysPolicyVersion(ctx);
 }

tests/acceptance/01_vars/01_basic/sys_policy_version.cf

@@ -0,0 +1,20 @@
+body common control
+{
+  bundlesequence => { "check" };
+  version => "1.2.3";
+}
+
+bundle agent check
+{
+  classes:
+    "ok"
+      expression => and(
+        strcmp("$(sys.policy_version)", "$(default:control_common.version)"),
+        strcmp("$(sys.policy_version)", "1.2.3")
+      );
+  reports:
+    ok::
+      "$(this.promise_filename) Pass";
+    !ok::
+      "$(this.promise_filename) FAIL";
+}

tests/acceptance/01_vars/01_basic/sys_policy_version_empty.cf

@@ -0,0 +1,16 @@
+body common control
+{
+  bundlesequence => { "check" };
+}
+
+bundle agent check
+{
+  classes:
+    "ok"
+      expression => not(isvariable("sys.policy_version"));
+  reports:
+    ok::
+      "$(this.promise_filename) Pass";
+    !ok::
+      "$(this.promise_filename) FAIL";
+}