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Part of the changes in: #654 Tested on a Linux AMD64 host, downloaded as expected. Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| // Copyright (c) arkade author(s) 2022. All rights reserved. | ||
| // Licensed under the MIT license. See LICENSE file in the project root for full license information. | ||
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| package system | ||
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| import ( | ||
| "fmt" | ||
| "os" | ||
| "path" | ||
| "strings" | ||
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| "github.com/alexellis/arkade/pkg/archive" | ||
| "github.com/alexellis/arkade/pkg/env" | ||
| "github.com/alexellis/arkade/pkg/get" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
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| func MakeInstallCNI() *cobra.Command { | ||
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| command := &cobra.Command{ | ||
| Use: "cni", | ||
| Short: "Install CNI plugins", | ||
| Long: `Install CNI plugins for use with faasd, CNI, Kubernetes, etc.`, | ||
| Example: ` arkade system install cni | ||
| arkade system install cni --version v1.0.0`, | ||
| SilenceUsage: true, | ||
| } | ||
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| command.Flags().StringP("version", "v", "v0.8.5", "The version for CNI to install") | ||
| command.Flags().StringP("path", "p", "/opt/cni/bin/", "Installation path, where a go subfolder will be created") | ||
| command.Flags().Bool("progress", true, "Show download progress") | ||
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| command.RunE = func(cmd *cobra.Command, args []string) error { | ||
| installPath, _ := cmd.Flags().GetString("path") | ||
| version, _ := cmd.Flags().GetString("version") | ||
| progress, _ := cmd.Flags().GetBool("progress") | ||
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| owner := "containernetworking" | ||
| repo := "plugins" | ||
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| fmt.Printf("Installing CNI to %s\n", installPath) | ||
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| if err := os.MkdirAll(installPath, 0755); err != nil && !os.IsExist(err) { | ||
| fmt.Printf("Error creating directory %s, error: %s\n", installPath, err.Error()) | ||
| } | ||
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| arch, osVer := env.GetClientArch() | ||
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| if strings.ToLower(osVer) != "linux" { | ||
| return fmt.Errorf("this app only supports Linux") | ||
| } | ||
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| if arch != "x86_64" && arch != "aarch64" { | ||
| return fmt.Errorf("this app only supports x86_64 and aarch64 and not %s", arch) | ||
| } | ||
| dlArch := arch | ||
| if arch == "x86_64" { | ||
| dlArch = "amd64" | ||
| } else if arch == "aarch64" { | ||
| dlArch = "arm64" | ||
| } else if arch == "armv7" || arch == "armv7l" { | ||
| dlArch = "armv6l" | ||
| } | ||
| if version == githubLatest { | ||
| v, err := get.FindGitHubRelease(owner, repo) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| version = v | ||
| } else if !strings.HasPrefix(version, "v") { | ||
| version = "v" + version | ||
| } | ||
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| fmt.Printf("Installing version: %s for: %s\n", version, dlArch) | ||
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| filename := fmt.Sprintf("cni-plugins-linux-%s-%s.tgz", dlArch, version) | ||
| dlURL := fmt.Sprintf(githubDownloadTemplate, owner, repo, version, filename) | ||
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| fmt.Printf("Downloading from: %s\n", dlURL) | ||
| outPath, err := get.DownloadFileP(dlURL, progress) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fmt.Printf("Downloaded to: %s\n", outPath) | ||
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| f, err := os.OpenFile(outPath, os.O_RDONLY, 0644) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer f.Close() | ||
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| tempUnpackPath, err := os.MkdirTemp(os.TempDir(), "cni-plugins*") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer os.RemoveAll(tempUnpackPath) | ||
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| fmt.Printf("Unpacking CNI Plugins to: %s\n", tempUnpackPath) | ||
| if err := archive.Untar(f, tempUnpackPath, true); err != nil { | ||
| return err | ||
| } | ||
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| dirs, err := os.ReadDir(tempUnpackPath) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| for _, dir := range dirs { | ||
| if !dir.IsDir() { | ||
| src := path.Join(tempUnpackPath, dir.Name()) | ||
| dst := path.Join(installPath, dir.Name()) | ||
| fmt.Printf("Copying %s to: %s\n", src, dst) | ||
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| if _, err := get.CopyFile(src, dst); err != nil { | ||
| return fmt.Errorf("unable to copy %s to %s, error: %s", src, dst, err) | ||
| } | ||
| } | ||
| } | ||
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| return nil | ||
| } | ||
|
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| return command | ||
| } |
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