mirror of https://github.com/knative/client.git
123 lines
4.4 KiB
Go
123 lines
4.4 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 im
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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 commands
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import (
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hprinters "github.com/knative/client/pkg/printers"
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serving "github.com/knative/serving/pkg/apis/serving"
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servingv1alpha1 "github.com/knative/serving/pkg/apis/serving/v1alpha1"
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"github.com/spf13/cobra"
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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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"k8s.io/cli-runtime/pkg/genericclioptions"
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)
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// RevisionGetFlags composes common printer flag structs
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// used in the Get command.
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type RevisionGetFlags struct {
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GenericPrintFlags *genericclioptions.PrintFlags
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HumanReadableFlags *HumanPrintFlags
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}
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// AllowedFormats is the list of formats in which data can be displayed
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func (f *RevisionGetFlags) AllowedFormats() []string {
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formats := f.GenericPrintFlags.AllowedFormats()
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formats = append(formats, f.HumanReadableFlags.AllowedFormats()...)
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return formats
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}
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// ToPrinter attempts to find a composed set of RevisionGetFlags suitable for
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// returning a printer based on current flag values.
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func (f *RevisionGetFlags) ToPrinter() (hprinters.ResourcePrinter, error) {
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// if there are flags specified for generic printing
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if f.GenericPrintFlags.OutputFlagSpecified() {
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p, err := f.GenericPrintFlags.ToPrinter()
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if err != nil {
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return nil, err
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}
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return p, nil
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}
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// if no flags specified, use the table printing
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p, err := f.HumanReadableFlags.ToPrinter()
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if err != nil {
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return nil, err
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}
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return p, nil
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}
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// AddFlags receives a *cobra.Command reference and binds
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// flags related to humanreadable and template printing.
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func (f *RevisionGetFlags) AddFlags(cmd *cobra.Command) {
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f.GenericPrintFlags.AddFlags(cmd)
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f.HumanReadableFlags.AddFlags(cmd)
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}
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// NewGetPrintFlags returns flags associated with humanreadable,
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// template, and "name" printing, with default values set.
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func NewRevisionGetFlags() *RevisionGetFlags {
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return &RevisionGetFlags{
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GenericPrintFlags: genericclioptions.NewPrintFlags(""),
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HumanReadableFlags: NewHumanPrintFlags(),
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}
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}
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// RevisionGetHandlers adds print handlers for revision get command
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func RevisionGetHandlers(h hprinters.PrintHandler) {
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RevisionColumnDefinitions := []metav1beta1.TableColumnDefinition{
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{Name: "Service", Type: "string", Description: "Name of the knative service."},
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{Name: "Name", Type: "string", Description: "Name of the revision."},
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{Name: "Age", Type: "string", Description: "Age of the revision."},
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{Name: "Conditions", Type: "string", Description: "Conditions describing statuses of revision."},
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{Name: "Ready", Type: "string", Description: "Ready condition status of the revision."},
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{Name: "Reason", Type: "string", Description: "Reason for non-ready condition of the revision."},
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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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// printRevisionList populates the knative revision list table rows
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func printRevisionList(revisionList *servingv1alpha1.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 *servingv1alpha1.Revision, options hprinters.PrintOptions) ([]metav1beta1.TableRow, error) {
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service := revision.Labels[serving.ConfigurationLabelKey]
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name := revision.Name
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age := translateTimestampSince(revision.CreationTimestamp)
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conditions := conditionsValue(revision.Status.Conditions)
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ready := readyCondition(revision.Status.Conditions)
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reason := 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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row.Cells = append(row.Cells,
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service,
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name,
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age,
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conditions,
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ready,
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reason)
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return []metav1beta1.TableRow{row}, nil
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}
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