mirror of https://github.com/knative/client.git
108 lines
3.2 KiB
Go
108 lines
3.2 KiB
Go
// Copyright © 2019 The Knative Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package commands
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
hprinters "github.com/knative/client/pkg/printers"
|
|
"github.com/knative/pkg/apis"
|
|
duckv1beta1 "github.com/knative/pkg/apis/duck/v1beta1"
|
|
"github.com/spf13/cobra"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/util/duration"
|
|
)
|
|
|
|
// HumanPrintFlags provides default flags necessary for printing.
|
|
// Given the following flag values, a printer can be requested that knows
|
|
// how to handle printing based on these values.
|
|
type HumanPrintFlags struct {
|
|
//TODO: Add more flags as required
|
|
}
|
|
|
|
// AllowedFormats returns more customized formating options
|
|
func (f *HumanPrintFlags) AllowedFormats() []string {
|
|
// TODO: Add more formats eg: wide
|
|
return []string{""}
|
|
}
|
|
|
|
// ToPrinter receives returns a printer capable of
|
|
// handling human-readable output.
|
|
func (f *HumanPrintFlags) ToPrinter(getHandlerFunc func(h hprinters.PrintHandler)) (hprinters.ResourcePrinter, error) {
|
|
p := hprinters.NewTablePrinter(hprinters.PrintOptions{})
|
|
getHandlerFunc(p)
|
|
return p, nil
|
|
}
|
|
|
|
// AddFlags receives a *cobra.Command reference and binds
|
|
// flags related to human-readable printing to it
|
|
func (f *HumanPrintFlags) AddFlags(c *cobra.Command) {
|
|
//TODO: Add more flags as required
|
|
}
|
|
|
|
// NewHumanPrintFlags returns flags associated with
|
|
// human-readable printing, with default values set.
|
|
func NewHumanPrintFlags() *HumanPrintFlags {
|
|
return &HumanPrintFlags{}
|
|
}
|
|
|
|
// Private functions
|
|
|
|
// conditionsValue returns the True conditions count among total conditions
|
|
func ConditionsValue(conditions duckv1beta1.Conditions) string {
|
|
var ok int
|
|
for _, condition := range conditions {
|
|
if condition.Status == "True" {
|
|
ok++
|
|
}
|
|
}
|
|
return fmt.Sprintf("%d OK / %d", ok, len(conditions))
|
|
}
|
|
|
|
// readyCondition returns status of resource's Ready type condition
|
|
func ReadyCondition(conditions duckv1beta1.Conditions) string {
|
|
for _, condition := range conditions {
|
|
if condition.Type == apis.ConditionReady {
|
|
return string(condition.Status)
|
|
}
|
|
}
|
|
return "<unknown>"
|
|
}
|
|
|
|
func NonReadyConditionReason(conditions duckv1beta1.Conditions) string {
|
|
for _, condition := range conditions {
|
|
if condition.Type == apis.ConditionReady {
|
|
if string(condition.Status) == "True" {
|
|
return ""
|
|
}
|
|
if condition.Message != "" {
|
|
return fmt.Sprintf("%s : %s", condition.Reason, condition.Message)
|
|
}
|
|
return string(condition.Reason)
|
|
}
|
|
}
|
|
return "<unknown>"
|
|
}
|
|
|
|
// translateTimestampSince returns the elapsed time since timestamp in
|
|
// human-readable approximation.
|
|
func TranslateTimestampSince(timestamp metav1.Time) string {
|
|
if timestamp.IsZero() {
|
|
return "<unknown>"
|
|
}
|
|
return duration.HumanDuration(time.Since(timestamp.Time))
|
|
}
|