forked from ksonnet/ksonnet
/
show.go
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/
show.go
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// Copyright 2018 The ksonnet 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 actions
import (
"io"
"os"
"github.com/ksonnet/ksonnet/pkg/app"
"github.com/ksonnet/ksonnet/pkg/client"
"github.com/ksonnet/ksonnet/pkg/cluster"
)
type runShowFn func(cluster.ShowConfig, ...cluster.ShowOpts) error
// RunShow runs `show`.
func RunShow(m map[string]interface{}) error {
a, err := newShow(m)
if err != nil {
return err
}
return a.run()
}
type showOpt func(*Show)
// Show shows objects.
type Show struct {
app app.App
clientConfig *client.Config
componentNames []string
envName string
format string
out io.Writer
runShowFn runShowFn
}
// RunShow runs `show`
func newShow(m map[string]interface{}, opts ...showOpt) (*Show, error) {
ol := newOptionLoader(m)
s := &Show{
app: ol.LoadApp(),
componentNames: ol.LoadStringSlice(OptionComponentNames),
format: ol.LoadString(OptionFormat),
out: os.Stdout,
runShowFn: cluster.RunShow,
}
if ol.err != nil {
return nil, ol.err
}
for _, opt := range opts {
opt(s)
}
if err := setCurrentEnv(s.app, s, ol); err != nil {
return nil, err
}
return s, nil
}
func (s *Show) run() error {
config := cluster.ShowConfig{
App: s.app,
ComponentNames: s.componentNames,
EnvName: s.envName,
Format: s.format,
Out: s.out,
}
return s.runShowFn(config)
}
func (s *Show) setCurrentEnv(name string) {
s.envName = name
}