Add new CRD for Firmware Components Update

Add a new CRD for the HostFirmwareComponents described
in the Firmware Interface proposal - metal3-io/metal3-docs#364.

Signed-off-by: Iury Gregory Melo Ferreira <imelofer@redhat.com>

PROJECT

@@ -61,4 +61,12 @@ resources:
   kind: HardwareData
   path: github.com/metal3-io/baremetal-operator/apis/metal3.io/v1alpha1
   version: v1alpha1
+- api:
+    crdVersion: v1
+    namespaced: true
+  domain: metal3.io
+  group: metal3.io
+  kind: HostFirmwareComponents
+  path: github.com/metal3-io/baremetal-operator/apis/metal3.io/v1alpha
+  version: v1alpha1
 version: "3"

apis/metal3.io/v1alpha1/hostfirmwarecomponents_types.go

@@ -0,0 +1,118 @@
+/*
+
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1alpha1
+
+import (
+	"fmt"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// NOTE: json tags are required.  Any new fields you add must have json tags for the fields to be serialized.
+
+// FirmwareUpdate defines a firmware update specification.
+type FirmwareUpdate struct {
+	Component string `json:"component"`
+	URL       string `json:"url"`
+}
+
+// FirmwareComponentStatus defines the status of a firmware component.
+type FirmwareComponentStatus struct {
+	Component          string      `json:"component"`
+	InitialVersion     string      `json:"initialVersion"`
+	CurrentVersion     string      `json:"currentVersion"`
+	LastVersionFlashed string      `json:"lastVersionFlashed"`
+	UpdatedAt          metav1.Time `json:"updatedAt"`
+}
+
+type UpdatesConditionType string
+
+const (
+	// Indicates that the updates in the Spec are different than Status
+	HostFirmwareComponentsChangeDetected UpdatesConditionType = "ChangeDetected"
+
+	// Indicates if the updates are valid and can be configured on the host
+	HostFirmwareComponentsValid UpdatesConditionType = "Valid"
+)
+
+// HostFirmwareComponentsSpec defines the desired state of HostFirmwareComponents
+type HostFirmwareComponentsSpec struct {
+	Updates []FirmwareUpdate `json:"updates"`
+}
+
+// HostFirmwareComponentsStatus defines the observed state of HostFirmwareComponents
+type HostFirmwareComponentsStatus struct {
+	// Updates is the list of all firmware components that should be updated
+	// they are specified via name and url fields.
+	Updates []FirmwareUpdate `json:"updates"`
+
+	// Components is the list of all available firmware components and their information.
+	Components []FirmwareComponentStatus `json:"components"`
+
+	// Time that the status was last updated
+	// +optional
+	LastUpdated *metav1.Time `json:"lastUpdated,omitempty"`
+
+	// Track whether updates stored in the spec are valid based on the schema
+	// +patchMergeKey=type
+	// +patchStrategy=merge
+	// +listType=map
+	// +listMapKey=type
+	// +optional
+	Conditions []metav1.Condition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,1,rep,name=conditions"`
+}
+
+//+kubebuilder:object:root=true
+//+kubebuilder:resource:shortName=hfc
+//+kubebuilder:subresource:status
+
+// HostFirmwareComponents is the Schema for the hostfirmwarecomponents API
+type HostFirmwareComponents struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   HostFirmwareComponentsSpec   `json:"spec,omitempty"`
+	Status HostFirmwareComponentsStatus `json:"status,omitempty"`
+}
+
+//+kubebuilder:object:root=true
+
+// HostFirmwareComponentsList contains a list of HostFirmwareComponents
+type HostFirmwareComponentsList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []HostFirmwareComponents `json:"items"`
+}
+
+// Check whether the updates's names are valid
+func (host *HostFirmwareComponents) ValidateHostFirmwareComponents() error {
+
+	allowedNames := map[string]struct{}{"bmc": {}, "bios": {}}
+	for _, update := range host.Spec.Updates {
+		componentName := update.Component
+		if _, ok := allowedNames[componentName]; !ok {
+			return fmt.Errorf("Component %s is invalid, only 'bmc' or 'bios' are allowed as update names", update.Component)
+		}
+
+	}
+
+	return nil
+}
+
+func init() {
+	SchemeBuilder.Register(&HostFirmwareComponents{}, &HostFirmwareComponentsList{})
+}

apis/metal3.io/v1alpha1/hostfirmwarecomponents_types_test.go

@@ -0,0 +1,95 @@
+package v1alpha1
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+func TestValidateHostFirmwareComponents(t *testing.T) {
+	for _, tc := range []struct {
+		Scenario      string
+		Components    []FirmwareComponentStatus
+		Updates       []FirmwareUpdate
+		LastUpdated   *metav1.Time
+		Conditions    []metav1.Condition
+		ExpectedError string
+	}{
+		{
+			Scenario: "ValidHostFirmwareComponents",
+			Components: []FirmwareComponentStatus{
+				{
+					Component:      "bios",
+					InitialVersion: "1.0",
+					CurrentVersion: "1.0",
+					UpdatedAt:      metav1.NewTime(time.Now()),
+				},
+				{
+					Component:          "bmc",
+					InitialVersion:     "1.0",
+					CurrentVersion:     "2.0",
+					LastVersionFlashed: "2.0",
+					UpdatedAt:          metav1.NewTime(time.Now()),
+				},
+			},
+			Updates: []FirmwareUpdate{
+				{
+					Component: "bmc",
+					URL:       "https://example.com/bmcupdate",
+				},
+			},
+			Conditions: []metav1.Condition{
+				{
+					Type:               string(HostFirmwareComponentsChangeDetected),
+					Status:             metav1.ConditionTrue,
+					LastTransitionTime: metav1.NewTime(time.Now()),
+				},
+			},
+			ExpectedError: "",
+		},
+		{
+			Scenario:   "InvalidHostFirmwareComponents",
+			Components: []FirmwareComponentStatus{},
+			Updates: []FirmwareUpdate{
+				{
+					Component: "nic",
+					URL:       "https://example.com/bmcupdate",
+				},
+			},
+			Conditions: []metav1.Condition{
+				{
+					Type:               string(HostFirmwareComponentsValid),
+					Status:             metav1.ConditionFalse,
+					LastTransitionTime: metav1.NewTime(time.Now()),
+				},
+			},
+			ExpectedError: "Component nic is invalid, only 'bmc' or 'bios' are allowed as update names",
+		},
+	} {
+		t.Run(tc.Scenario, func(t *testing.T) {
+			hostFirmwareComponents := &HostFirmwareComponents{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      "myhostfirmware",
+					Namespace: "myns",
+				},
+				Spec: HostFirmwareComponentsSpec{
+					Updates: tc.Updates,
+				},
+				Status: HostFirmwareComponentsStatus{
+					Components:  tc.Components,
+					LastUpdated: tc.LastUpdated,
+					Conditions:  tc.Conditions,
+				},
+			}
+
+			err := hostFirmwareComponents.ValidateHostFirmwareComponents()
+			if err == nil {
+				assert.Equal(t, tc.ExpectedError, "")
+			} else {
+				assert.Equal(t, tc.ExpectedError, err.Error())
+			}
+		})
+	}
+}