From bfd70600443086c8d87997955c08e99a9f9cc02f Mon Sep 17 00:00:00 2001
From: Bezalel Brandwine <bbrandwine@armosec.io>
Date: Sun, 6 Mar 2022 10:51:24 +0200
Subject: [PATCH] read linux kernel variables from host sensor

---
 hostsensorutils/hostsensorgetfrompod.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/hostsensorutils/hostsensorgetfrompod.go b/hostsensorutils/hostsensorgetfrompod.go
index 47e63fa8..5287595c 100644
--- a/hostsensorutils/hostsensorgetfrompod.go
+++ b/hostsensorutils/hostsensorgetfrompod.go
@@ -91,6 +91,12 @@ func (hsh *HostSensorHandler) sendAllPodsHTTPGETRequest(path, requestKind string
 	return res, nil
 }
 
+// return list of LinuxKernelVariables
+func (hsh *HostSensorHandler) GetKernelVariables() ([]hostsensor.HostSensorDataEnvelope, error) {
+	// loop over pods and port-forward it to each of them
+	return hsh.sendAllPodsHTTPGETRequest("/LinuxKernelVariables", "LinuxKernelVariables")
+}
+
 // return list of OpenPortsList
 func (hsh *HostSensorHandler) GetOpenPortsList() ([]hostsensor.HostSensorDataEnvelope, error) {
 	// loop over pods and port-forward it to each of them
@@ -195,6 +201,12 @@ func (hsh *HostSensorHandler) CollectResources() ([]hostsensor.HostSensorDataEnv
 		return kcData, err
 	}
 	res = append(res, kcData...)
+	// GetKernelVariables
+	kcData, err = hsh.GetKernelVariables()
+	if err != nil {
+		return kcData, err
+	}
+	res = append(res, kcData...)
 	// finish
 
 	logger.L().Debug("Done reading information from host sensor")