mirror of https://github.com/knative/client.git
108 lines
4.0 KiB
Go
108 lines
4.0 KiB
Go
// Copyright © 2019 The Knative Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package revision
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import (
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metav1beta1 "k8s.io/apimachinery/pkg/apis/meta/v1beta1"
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"k8s.io/apimachinery/pkg/runtime"
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"knative.dev/serving/pkg/apis/serving"
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servingv1 "knative.dev/serving/pkg/apis/serving/v1"
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"knative.dev/client/pkg/kn/commands"
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hprinters "knative.dev/client/pkg/printers"
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)
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const (
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RevisionTrafficAnnotation = "client.knative.dev/traffic"
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RevisionTagsAnnotation = "client.knative.dev/tags"
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)
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// Max column size
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const ListColumnMaxLength = 50
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// RevisionListHandlers adds print handlers for revision list command
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func RevisionListHandlers(h hprinters.PrintHandler) {
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RevisionColumnDefinitions := []metav1beta1.TableColumnDefinition{
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{Name: "Namespace", Type: "string", Description: "Namespace of the Knative service", Priority: 0},
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{Name: "Name", Type: "string", Description: "Name of the revision.", Priority: 1},
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{Name: "Service", Type: "string", Description: "Name of the Knative service.", Priority: 1},
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{Name: "Traffic", Type: "string", Description: "Percentage of traffic assigned to this revision.", Priority: 1},
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{Name: "Tags", Type: "string", Description: "Set of tags assigned to this revision.", Priority: 1},
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{Name: "Generation", Type: "string", Description: "Generation of the revision", Priority: 1},
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{Name: "Age", Type: "string", Description: "Age of the revision.", Priority: 1},
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{Name: "Conditions", Type: "string", Description: "Conditions describing statuses of the revision.", Priority: 1},
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{Name: "Ready", Type: "string", Description: "Ready condition status of the revision.", Priority: 1},
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{Name: "Reason", Type: "string", Description: "Reason for non-ready condition of the revision.", Priority: 1},
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}
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h.TableHandler(RevisionColumnDefinitions, printRevision)
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h.TableHandler(RevisionColumnDefinitions, printRevisionList)
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}
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// Private functions
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// printRevisionList populates the Knative revision list table rows
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func printRevisionList(revisionList *servingv1.RevisionList, options hprinters.PrintOptions) ([]metav1beta1.TableRow, error) {
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rows := make([]metav1beta1.TableRow, 0, len(revisionList.Items))
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for _, rev := range revisionList.Items {
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r, err := printRevision(&rev, options)
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if err != nil {
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return nil, err
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}
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rows = append(rows, r...)
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}
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return rows, nil
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}
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// printRevision populates the Knative revision table rows
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func printRevision(revision *servingv1.Revision, options hprinters.PrintOptions) ([]metav1beta1.TableRow, error) {
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name := revision.Name
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service := revision.Labels[serving.ServiceLabelKey]
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traffic := revision.Annotations[RevisionTrafficAnnotation]
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tags := revision.Annotations[RevisionTagsAnnotation]
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generation := revision.Labels[serving.ConfigurationGenerationLabelKey]
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age := commands.TranslateTimestampSince(revision.CreationTimestamp)
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conditions := commands.ConditionsValue(revision.Status.Conditions)
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ready := commands.ReadyCondition(revision.Status.Conditions)
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reason := commands.NonReadyConditionReason(revision.Status.Conditions)
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row := metav1beta1.TableRow{
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Object: runtime.RawExtension{Object: revision},
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}
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// Namespace is first column for "-A"
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if options.AllNamespaces {
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row.Cells = append(row.Cells, trunc(revision.Namespace))
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}
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row.Cells = append(row.Cells,
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trunc(name),
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trunc(service),
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trunc(traffic),
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trunc(tags),
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trunc(generation),
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trunc(age),
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trunc(conditions),
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trunc(ready),
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trunc(reason))
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return []metav1beta1.TableRow{row}, nil
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}
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func trunc(txt string) string {
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if len(txt) <= ListColumnMaxLength {
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return txt
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}
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return txt[:ListColumnMaxLength-4] + " ..."
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}
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