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stream.go
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stream.go
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// Copyright © 2019 The Tekton 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 fake
import (
"fmt"
"io"
"io/ioutil"
"strings"
"github.com/tektoncd/cli/pkg/pods/stream"
corev1 "k8s.io/api/core/v1"
typedv1 "k8s.io/client-go/kubernetes/typed/core/v1"
)
type PodStream struct {
logs []Log
pods typedv1.PodInterface
name string
opts *corev1.PodLogOptions
}
func (ps *PodStream) Stream() (io.ReadCloser, error) {
for _, fl := range ps.logs {
if fl.PodName != ps.name {
continue
}
for _, c := range fl.Containers {
if c.Name == ps.opts.Container {
log := strings.Join(c.Logs, "\n")
return ioutil.NopCloser(strings.NewReader(log)), nil
}
}
}
return nil, fmt.Errorf("failed to stream container logs")
}
func Streamer(l []Log) stream.NewStreamerFunc {
return func(pods typedv1.PodInterface, name string, opts *corev1.PodLogOptions) stream.Streamer {
return &PodStream{
logs: l,
pods: pods,
name: name,
opts: opts,
}
}
}