Support loglevel and logfile for SR-IOV plugin

The SR-IOV device plugin now supports the configuration of loglevel and
logfile. Expose these settings through the API.

Signed-off-by: Andreas Karis <ak.karis@gmail.com>

api/v1/helper.go

@@ -482,8 +482,8 @@ func (s *SriovNetworkNodeState) GetDriverByPciAddress(addr string) string {
 
 // RenderNetAttDef renders a net-att-def for ib-sriov CNI
 func (cr *SriovIBNetwork) RenderNetAttDef() (*uns.Unstructured, error) {
-	logger := log.WithName("renderNetAttDef")
-	logger.Info("Start to render IB SRIOV CNI NetworkAttachementDefinition")
+	logger := log.WithName("RenderNetAttDef")
+	logger.Info("Start to render IB SRIOV CNI NetworkAttachmentDefinition")
 
 	// render RawCNIConfig manifests
 	data := render.MakeRenderData()
@@ -528,6 +528,9 @@ func (cr *SriovIBNetwork) RenderNetAttDef() (*uns.Unstructured, error) {
 		data.Data["MetaPlugins"] = cr.Spec.MetaPluginsConfig
 	}
 
+	data.Data["LogLevelConfigured"] = false
+	data.Data["LogFileConfigured"] = false
+
 	objs, err := render.RenderDir(ManifestsPath, &data)
 	if err != nil {
 		return nil, err
@@ -563,8 +566,8 @@ func (cr *SriovIBNetwork) DeleteNetAttDef(c client.Client) error {
 
 // RenderNetAttDef renders a net-att-def for sriov CNI
 func (cr *SriovNetwork) RenderNetAttDef() (*uns.Unstructured, error) {
-	logger := log.WithName("renderNetAttDef")
-	logger.Info("Start to render SRIOV CNI NetworkAttachementDefinition")
+	logger := log.WithName("RenderNetAttDef")
+	logger.Info("Start to render SRIOV CNI NetworkAttachmentDefinition")
 
 	// render RawCNIConfig manifests
 	data := render.MakeRenderData()
@@ -652,6 +655,17 @@ func (cr *SriovNetwork) RenderNetAttDef() (*uns.Unstructured, error) {
 		data.Data["MetaPlugins"] = cr.Spec.MetaPluginsConfig
 	}
 
+	data.Data["LogLevelConfigured"] = false
+	if cr.Spec.LogLevel != "" {
+		data.Data["LogLevelConfigured"] = true
+		data.Data["LogLevel"] = cr.Spec.LogLevel
+	}
+	data.Data["LogFileConfigured"] = false
+	if cr.Spec.LogFile != "" {
+		data.Data["LogFileConfigured"] = true
+		data.Data["LogFile"] = cr.Spec.LogFile
+	}
+
 	objs, err := render.RenderDir(ManifestsPath, &data)
 	if err != nil {
 		return nil, err

api/v1/sriovnetwork_types.go

@@ -60,6 +60,13 @@ type SriovNetworkSpec struct {
 	// MetaPluginsConfig configuration to be used in order to chain metaplugins to the sriov interface returned
 	// by the operator.
 	MetaPluginsConfig string `json:"metaPlugins,omitempty"`
+	// LogLevel sets the loglevel of the SRIOV device plugin - either of panic, error, warning, info, debug. Defaults to
+	// error if left blank.
+	// +kubebuilder:validation:Enum={"panic", "error","warn","info","debug",""}
+	LogLevel string `json:"loglevel,omitempty"`
+	// LogFile sets the log file of the SRIOV device plugin logs. If unset (default), this will log to stderr and thus
+	// to crio logs.
+	LogFile string `json:"logfile,omitempty"`
 }
 
 // SriovNetworkStatus defines the observed state of SriovNetwork

bindata/manifests/cni-config/sriov-cni-config.yaml

@@ -37,6 +37,12 @@ spec:
 {{- end -}}
 {{- if .StateConfigured -}}
   "link_state":"{{.SriovCniState}}",
+{{- end -}}
+{{- if .LogLevelConfigured -}}
+  "loglevel":"{{.LogLevel}}",
+{{- end -}}
+{{- if .LogFileConfigured -}}
+  "logfile":"{{.LogFile}}",
 {{- end -}}
   {{.SriovCniIpam}}
 }

config/crd/bases/sriovnetwork.openshift.io_sriovnetworks.yaml

@@ -49,6 +49,23 @@ spec:
                 - enable
                 - disable
                 type: string
+              logfile:
+                description: LogFile sets the log file of the SRIOV device plugin
+                  logs. If unset (default), this will log to stderr and thus to crio
+                  logs.
+                type: string
+              loglevel:
+                description: LogLevel sets the loglevel of the SRIOV device plugin
+                  - either of panic, error, warning, info, debug. Defaults to error
+                  if left blank.
+                enum:
+                - panic
+                - error
+                - warn
+                - info
+                - debug
+                - ""
+                type: string
               maxTxRate:
                 description: Maximum tx rate, in Mbps, for the VF. Defaults to 0 (no
                   rate limiting)

controllers/sriovnetwork_controller_test.go

@@ -55,14 +55,20 @@ var _ = Describe("SriovNetwork Controller", func() {
 				ResourceName: "resource_1",
 				IPAM:         `{"type":"host-local","subnet":"10.56.217.0/24","rangeStart":"10.56.217.171","rangeEnd":"10.56.217.181","routes":[{"dst":"0.0.0.0/0"}],"gateway":"10.56.217.1"}`,
 			},
+			"test-5": {
+				ResourceName: "resource_1",
+				IPAM:         `{"type":"host-local","subnet":"10.56.217.0/24","rangeStart":"10.56.217.171","rangeEnd":"10.56.217.181","routes":[{"dst":"0.0.0.0/0"}],"gateway":"10.56.217.1"}`,
+				LogLevel:     "debug",
+				LogFile:      "/tmp/tmpfile",
+			},
 		}
 		sriovnets := util.GenerateSriovNetworkCRs(testNamespace, specs)
 		DescribeTable("should be possible to create/delete net-att-def",
 			func(cr sriovnetworkv1.SriovNetwork) {
 				var err error
 				expect := generateExpectedNetConfig(&cr)
 
-				By("Create the SriovNetwork Custom Resource")
+				By(fmt.Sprintf("Create the SriovNetwork Custom Resource %v", cr))
 				// get global framework variables
 				err = k8sClient.Create(goctx.TODO(), &cr)
 				Expect(err).NotTo(HaveOccurred())
@@ -93,6 +99,7 @@ var _ = Describe("SriovNetwork Controller", func() {
 			Entry("with networkNamespace flag", sriovnets["test-1"]),
 			Entry("with SpoofChk flag on", sriovnets["test-2"]),
 			Entry("with Trust flag on", sriovnets["test-3"]),
+			Entry("with LogLevel and LogFile", sriovnets["test-5"]),
 		)
 
 		newSpecs := map[string]sriovnetworkv1.SriovNetworkSpec{
@@ -291,7 +298,18 @@ func generateExpectedNetConfig(cr *sriovnetworkv1.SriovNetwork) string {
 	}
 	vlanQoS := cr.Spec.VlanQoS
 
-	configStr, err := formatJSON(fmt.Sprintf(`{ "cniVersion":"0.3.1", "name":"%s","type":"sriov","vlan":%d,%s%s%s"vlanQoS":%d,"ipam":%s }`, cr.GetName(), cr.Spec.Vlan, spoofchk, trust, state, vlanQoS, ipam))
+	var logLevel string
+	if cr.Spec.LogLevel != "" {
+		logLevel = fmt.Sprintf(`"loglevel":"%s",`, cr.Spec.LogLevel)
+	}
+	var logFile string
+	if cr.Spec.LogFile != "" {
+		logFile = fmt.Sprintf(`"logfile":"%s",`, cr.Spec.LogFile)
+	}
+
+	configStr, err := formatJSON(fmt.Sprintf(
+		`{ "cniVersion":"0.3.1", "name":"%s","type":"sriov","vlan":%d,%s%s%s"vlanQoS":%d,%s%s"ipam":%s }`,
+		cr.GetName(), cr.Spec.Vlan, spoofchk, trust, state, vlanQoS, logLevel, logFile, ipam))
 	if err != nil {
 		panic(err)
 	}

deployment/sriov-network-operator/crds/sriovnetwork.openshift.io_sriovnetworks.yaml

@@ -49,6 +49,23 @@ spec:
                 - enable
                 - disable
                 type: string
+              logfile:
+                description: LogFile sets the log file of the SRIOV device plugin
+                  logs. If unset (default), this will log to stderr and thus to crio
+                  logs.
+                type: string
+              loglevel:
+                description: LogLevel sets the loglevel of the SRIOV device plugin
+                  - either of panic, error, warning, info, debug. Defaults to error
+                  if left blank.
+                enum:
+                - panic
+                - error
+                - warn
+                - info
+                - debug
+                - ""
+                type: string
               maxTxRate:
                 description: Maximum tx rate, in Mbps, for the VF. Defaults to 0 (no
                   rate limiting)