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38814d54a6
Spec.Replicas is a *int32, with a value of nil occurring when the user doesn't set it. In this case k8s defaults to 1, so we mimic this to show the effective value.
66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
package kubernetes
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import (
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"fmt"
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"github.com/weaveworks/scope/report"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/labels"
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apiv1 "k8s.io/client-go/pkg/api/v1"
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apiv1beta1 "k8s.io/client-go/pkg/apis/extensions/v1beta1"
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)
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// These constants are keys used in node metadata
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const (
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UpdatedReplicas = "kubernetes_updated_replicas"
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AvailableReplicas = "kubernetes_available_replicas"
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UnavailableReplicas = "kubernetes_unavailable_replicas"
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Strategy = "kubernetes_strategy"
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)
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// Deployment represents a Kubernetes deployment
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type Deployment interface {
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Meta
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Selector() (labels.Selector, error)
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GetNode(probeID string) report.Node
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}
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type deployment struct {
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*apiv1beta1.Deployment
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Meta
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Node *apiv1.Node
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}
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// NewDeployment creates a new Deployment
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func NewDeployment(d *apiv1beta1.Deployment) Deployment {
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return &deployment{Deployment: d, Meta: meta{d.ObjectMeta}}
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}
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func (d *deployment) Selector() (labels.Selector, error) {
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selector, err := metav1.LabelSelectorAsSelector(d.Spec.Selector)
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if err != nil {
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return nil, err
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}
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return selector, nil
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}
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func (d *deployment) GetNode(probeID string) report.Node {
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// Spec.Replicas can be omitted, and the pointer will be nil. It defaults to 1.
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desiredReplicas := 1
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if d.Spec.Replicas != nil {
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desiredReplicas = int(*d.Spec.Replicas)
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}
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return d.MetaNode(report.MakeDeploymentNodeID(d.UID())).WithLatests(map[string]string{
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ObservedGeneration: fmt.Sprint(d.Status.ObservedGeneration),
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DesiredReplicas: fmt.Sprint(desiredReplicas),
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Replicas: fmt.Sprint(d.Status.Replicas),
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UpdatedReplicas: fmt.Sprint(d.Status.UpdatedReplicas),
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AvailableReplicas: fmt.Sprint(d.Status.AvailableReplicas),
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UnavailableReplicas: fmt.Sprint(d.Status.UnavailableReplicas),
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Strategy: string(d.Spec.Strategy.Type),
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report.ControlProbeID: probeID,
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NodeType: "Deployment",
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}).WithLatestActiveControls(ScaleUp, ScaleDown)
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}
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