Initial v1.0.0 commit

vendor/github.com/rancher/wrangler/pkg/summary/summary.go

@@ -0,0 +1,123 @@
+package summary
+
+import (
+	"strings"
+
+	"github.com/rancher/wrangler/pkg/data"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime"
+)
+
+type Summary struct {
+	State         string
+	Error         bool
+	Transitioning bool
+	Message       []string
+	Attributes    map[string]interface{}
+	Relationships []Relationship
+}
+
+type Relationship struct {
+	Name         string
+	Namespace    string
+	ControlledBy bool
+	Kind         string
+	APIVersion   string
+	Inbound      bool
+	Type         string
+	Selector     *metav1.LabelSelector
+}
+
+func (s Summary) String() string {
+	if !s.Transitioning && !s.Error {
+		return s.State
+	}
+	var msg string
+	if s.Transitioning {
+		msg = "[progressing"
+	}
+	if s.Error {
+		if len(msg) > 0 {
+			msg += ",error]"
+		} else {
+			msg = "error]"
+		}
+	} else {
+		msg += "]"
+	}
+	if len(s.Message) > 0 {
+		msg = msg + " " + s.Message[0]
+	}
+	return msg
+}
+
+func (s Summary) IsReady() bool {
+	return !s.Error && !s.Transitioning
+}
+
+func (s *Summary) DeepCopy() *Summary {
+	v := *s
+	return &v
+}
+
+func (s *Summary) DeepCopyInto(v *Summary) {
+	*v = *s
+}
+
+func dedupMessage(messages []string) []string {
+	if len(messages) <= 1 {
+		return messages
+	}
+
+	seen := map[string]bool{}
+	var result []string
+
+	for _, message := range messages {
+		message = strings.TrimSpace(message)
+		if message == "" {
+			continue
+		}
+		if seen[message] {
+			continue
+		}
+		seen[message] = true
+		result = append(result, message)
+	}
+
+	return result
+}
+
+func Summarize(runtimeObj runtime.Object) Summary {
+	var (
+		obj     data.Object
+		summary Summary
+	)
+
+	if s, ok := runtimeObj.(*SummarizedObject); ok {
+		return s.Summary
+	}
+
+	unstr, ok := runtimeObj.(*unstructured.Unstructured)
+	if !ok {
+		return summary
+	}
+
+	if unstr != nil {
+		obj = unstr.Object
+	}
+
+	conditions := getConditions(obj)
+
+	for _, summarizer := range Summarizers {
+		summary = summarizer(obj, conditions, summary)
+	}
+
+	if summary.State == "" {
+		summary.State = "active"
+	}
+
+	summary.State = strings.ToLower(summary.State)
+	summary.Message = dedupMessage(summary.Message)
+	return summary
+}