mirror of
https://github.com/k8snetworkplumbingwg/multus-cni.git
synced 2026-02-22 07:02:05 +00:00
dcf92c8e94
This commit changes thin container base image to distroless to simplify container image. It replace old shell script entrypoint to golang implementation and implement multus installer (i.e. copy).
71 lines
2.2 KiB
Go
71 lines
2.2 KiB
Go
// Copyright (c) 2023 Multus Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// Package cmdutils is the package that contains utilities for multus command
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package cmdutils
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import (
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"fmt"
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"os"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("thin entrypoint testing", func() {
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It("Run CopyFileAtomic()", func() {
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// create directory and files
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tmpDir, err := os.MkdirTemp("", "multus_thin_entrypoint_tmp")
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Expect(err).NotTo(HaveOccurred())
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// create source directory
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srcDir := fmt.Sprintf("%s/src", tmpDir)
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err = os.Mkdir(srcDir, 0755)
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Expect(err).NotTo(HaveOccurred())
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// create destination directory
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destDir := fmt.Sprintf("%s/dest", tmpDir)
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err = os.Mkdir(destDir, 0755)
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Expect(err).NotTo(HaveOccurred())
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// sample source file
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srcFilePath := fmt.Sprintf("%s/sampleInput", srcDir)
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err = os.WriteFile(srcFilePath, []byte("sampleInputABC"), 0744)
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Expect(err).NotTo(HaveOccurred())
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// old files in dest
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destFileName := "sampleInputDest"
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destFilePath := fmt.Sprintf("%s/%s", destDir, destFileName)
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err = os.WriteFile(destFilePath, []byte("inputOldXYZ"), 0611)
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Expect(err).NotTo(HaveOccurred())
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tempFileName := "temp_file"
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err = CopyFileAtomic(srcFilePath, destDir, tempFileName, destFileName)
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Expect(err).NotTo(HaveOccurred())
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// check file mode
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stat, err := os.Stat(destFilePath)
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Expect(err).NotTo(HaveOccurred())
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Expect(stat.Mode()).To(Equal(os.FileMode(0744)))
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// check file contents
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destFileByte, err := os.ReadFile(destFilePath)
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Expect(err).NotTo(HaveOccurred())
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Expect(destFileByte).To(Equal([]byte("sampleInputABC")))
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err = os.RemoveAll(tmpDir)
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Expect(err).NotTo(HaveOccurred())
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})
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})
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