72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package resource
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import (
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"context"
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"os"
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"os/exec"
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"path/filepath"
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"time"
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corev1 "k8s.io/api/core/v1"
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manifest "k8s.io/kubectl/pkg/apis/manifest/v1alpha1"
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)
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// NewFromSecretGenerator takes a SecretGenerator and executes its command in directory p
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// then writes the output to a Resource object and returns a pointer to it.
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func NewFromSecretGenerator(s manifest.SecretGenerator, p string) (*Resource, error) {
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corev1secret := &corev1.Secret{}
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corev1secret.APIVersion = "v1"
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corev1secret.Kind = "Secret"
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corev1secret.Name = s.Name
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corev1secret.Type = corev1.SecretType(s.Type)
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if corev1secret.Type == "" {
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corev1secret.Type = corev1.SecretTypeOpaque
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}
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corev1secret.Data = map[string][]byte{}
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for k, v := range s.Commands {
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out, err := createSecretKey(p, v)
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if err != nil {
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return nil, err
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}
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corev1secret.Data[k] = out
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}
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obj, err := objectToUnstructured(corev1secret)
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if err != nil {
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return nil, err
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}
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return &Resource{Data: obj}, nil
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}
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func createSecretKey(wd string, command string) ([]byte, error) {
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fi, err := os.Stat(wd)
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if err != nil || !fi.IsDir() {
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wd = filepath.Dir(wd)
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}
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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cmd := exec.CommandContext(ctx, "sh", "-c", command)
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cmd.Dir = wd
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return cmd.Output()
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}
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