e2e: set log level to 5 in csi pods

all the sidecar log level is not set
to 5 by default, without debug logs
we cannot understand what is wrong
in the tests, this commits sets the
log level to 5 for csi pods.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

e2e/deployment.go

@@ -250,6 +250,8 @@ func (yrn *yamlResourceNamespaced) Do(action kubectlAction) error {
 		return fmt.Errorf("failed to read content from %q: %w", yrn.filename, err)
 	}
 
+	data = replaceLogLevelInTemplate(data)
+
 	if yrn.oneReplica {
 		data = oneReplicaDeployYaml(data)
 	}

e2e/utils.go

@@ -823,6 +823,15 @@ func oneReplicaDeployYaml(template string) string {
 	return re.ReplaceAllString(template, `$1 1`)
 }
 
+// replaceLogLevelInTemplate replaces the log level in the template file to 5.
+func replaceLogLevelInTemplate(template string) string {
+	// Regular expression to find --v=<number> arguments
+	re := regexp.MustCompile(`--v=\d+`)
+
+	// template can contain different log levels, replace it with --v=5
+	return re.ReplaceAllString(template, "--v=5")
+}
+
 func enableReadAffinityInTemplate(template string) string {
 	return strings.ReplaceAll(template, "# - \"--enable-read-affinity=true\"", "- \"--enable-read-affinity=true\"")
 }