openshift-machine-api warning events gatherer

pkg/gatherers/clusterconfig/clusterconfig_gatherer.go

@@ -84,6 +84,7 @@ var gatheringFunctions = map[string]gathererFuncPtr{
 	"support_secret":                    (*Gatherer).GatherSupportSecret,
 	"active_alerts":                     (*Gatherer).GatherActiveAlerts,
 	"ceph_cluster":                      (*Gatherer).GatherCephCluster,
+	"openshift_machine_api_events":      (*Gatherer).GatherOpenshiftMachineApiEvents,
 }
 
 func New(

pkg/gatherers/clusterconfig/openshift_machine_api_events.go

@@ -0,0 +1,78 @@
+package clusterconfig
+
+import (
+	"context"
+	"fmt"
+	"sort"
+	"time"
+
+	"github.com/openshift/insights-operator/pkg/record"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes"
+	corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
+)
+
+// GatherOpenshiftMachineApiEvents collects warning ("abnormal") events
+// from "openshift-machine-api" namespace
+//
+// *Location of events in archive: config/events/
+func (g *Gatherer) GatherOpenshiftMachineApiEvents(ctx context.Context) ([]record.Record, []error) {
+	gatherKubeClient, err := kubernetes.NewForConfig(g.gatherProtoKubeConfig)
+	if err != nil {
+		return nil, []error{err}
+	}
+	namespace := "openshift-machine-api"
+	records, err := gatherOpenshiftMachineApiEvents(ctx, gatherKubeClient.CoreV1(), namespace, g.interval)
+	if err != nil {
+		return nil, []error{err}
+	}
+	return records, nil
+}
+
+func gatherOpenshiftMachineApiEvents(ctx context.Context,
+	coreClient corev1client.CoreV1Interface,
+	namespace string,
+	interval time.Duration) ([]record.Record, error) {
+	events, err := coreClient.Events(namespace).List(ctx, metav1.ListOptions{})
+	if err != nil {
+		return nil, err
+	}
+	// filter the event list to only recent events with type different than "Normal"
+	oldestEventTime := time.Now().Add(-interval)
+	var filteredEventIndex []int
+	for i := range events.Items {
+		if events.Items[i].Type != "Normal" { //TODO see if there is types enum
+			if events.Items[i].LastTimestamp.IsZero() {
+				if events.Items[i].Series != nil {
+					if events.Items[i].Series.LastObservedTime.Time.After(oldestEventTime) {
+						filteredEventIndex = append(filteredEventIndex, i)
+					}
+				}
+			} else {
+				if events.Items[i].LastTimestamp.Time.After(oldestEventTime) {
+					filteredEventIndex = append(filteredEventIndex, i)
+				}
+			}
+		}
+	}
+	if len(filteredEventIndex) == 0 {
+		return nil, nil
+	}
+	compactedEvents := CompactedEventList{Items: make([]CompactedEvent, len(filteredEventIndex))} //TODO check if this is good output
+	for i, index := range filteredEventIndex {
+		compactedEvents.Items[i] = CompactedEvent{
+			Namespace:     events.Items[index].Namespace,
+			LastTimestamp: events.Items[index].LastTimestamp.Time,
+			Reason:        events.Items[index].Reason,
+			Message:       events.Items[index].Message,
+		}
+		if events.Items[index].LastTimestamp.Time.IsZero() {
+			compactedEvents.Items[i].LastTimestamp = events.Items[index].Series.LastObservedTime.Time
+		}
+	}
+	sort.Slice(compactedEvents.Items, func(i, j int) bool {
+		return compactedEvents.Items[i].LastTimestamp.Before(compactedEvents.Items[j].LastTimestamp)
+	})
+
+	return []record.Record{{Name: fmt.Sprintf("config/events/%s", namespace), Item: record.JSONMarshaller{Object: &compactedEvents}}}, nil
+}

pkg/gatherers/clusterconfig/openshift_machine_api_events_test.go

@@ -0,0 +1,51 @@
+package clusterconfig
+
+import (
+	"context"
+	"reflect"
+	"testing"
+	"time"
+
+	"github.com/openshift/insights-operator/pkg/record"
+	kubefake "k8s.io/client-go/kubernetes/fake"
+	corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
+)
+
+func Test_WarningEvents_gatherOpenshiftMachineApiEvents(t *testing.T) {
+	type args struct {
+		ctx        context.Context
+		coreClient corev1client.CoreV1Interface
+		namespace  string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		want    []record.Record
+		wantErr bool
+	}{
+		{
+			name: "openshift-machine-api events",
+			args: args{
+				ctx:        context.TODO(),
+				coreClient: kubefake.NewSimpleClientset().CoreV1(),
+				namespace:  "openshift-machine-api",
+			},
+			want:    []record.Record{},
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		tt := tt
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+			got, err := gatherOpenshiftMachineApiEvents(tt.args.ctx, tt.args.coreClient, tt.args.namespace, 1*time.Minute)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("gatherOpenshiftMachineApiEvents() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("gatherNameSpaceEvents() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}