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images.go
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images.go
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//此源码被清华学神尹成大魔王专业翻译分析并修改
//尹成QQ77025077
//尹成微信18510341407
//尹成所在QQ群721929980
//尹成邮箱 yinc13@mails.tsinghua.edu.cn
//尹成毕业于清华大学,微软区块链领域全球最有价值专家
//https://mvp.microsoft.com/zh-cn/PublicProfile/4033620
/*
版权所有IBM公司保留所有权利。
SPDX许可证标识符:Apache-2.0
**/
package helpers
import (
"encoding/base32"
"fmt"
"strings"
docker "github.com/fsouza/go-dockerclient"
"github.com/hyperledger/fabric/common/util"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
func AssertImagesExist(imageNames ...string) {
dockerClient, err := docker.NewClientFromEnv()
Expect(err).NotTo(HaveOccurred())
for _, imageName := range imageNames {
images, err := dockerClient.ListImages(docker.ListImagesOptions{
Filter: imageName,
})
ExpectWithOffset(1, err).NotTo(HaveOccurred())
if len(images) != 1 {
Fail(fmt.Sprintf("missing required image: %s", imageName), 1)
}
}
}
//uniquename为容器名称生成base-32 enocded uuid。
func UniqueName() string {
name := base32.StdEncoding.WithPadding(base32.NoPadding).EncodeToString(util.GenerateBytesUUID())
return strings.ToLower(name)
}