/
osm_app.go
168 lines (132 loc) · 4.11 KB
/
osm_app.go
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// 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.
package apps
import (
"context"
"errors"
"fmt"
"log"
"os"
"github.com/alexellis/arkade/pkg/get"
"github.com/alexellis/arkade/pkg/k8s"
"github.com/alexellis/arkade/pkg"
"github.com/alexellis/arkade/pkg/config"
"github.com/alexellis/arkade/pkg/env"
execute "github.com/alexellis/go-execute/v2"
"github.com/spf13/cobra"
)
func MakeInstallOSM() *cobra.Command {
var osm = &cobra.Command{
Use: "osm",
Short: "Install osm",
Long: `Install Open Service Mesh (OSM) - a lightweight, extensible, cloud native
service mesh created by Microsoft Azure.`,
Example: ` arkade install osm`,
SilenceUsage: true,
}
osm.Flags().String("mesh", "osm", "Give a specific mesh name override")
osm.Flags().StringP("namespace", "n", "osm-system", "Give a specific mesh namespace override")
osm.RunE = func(command *cobra.Command, args []string) error {
kubeConfigPath, _ := command.Flags().GetString("kubeconfig")
if err := config.SetKubeconfig(kubeConfigPath); err != nil {
return err
}
arch := k8s.GetNodeArchitecture()
fmt.Printf("Node architecture: %q\n", arch)
if arch != IntelArch {
return fmt.Errorf(OnlyIntelArch)
}
userPath, err := getUserPath()
if err != nil {
return err
}
arch, clientOS := env.GetClientArch()
fmt.Printf("Client: %q\n", clientOS)
log.Printf("User dir established as: %s\n", userPath)
err = downloadOSM(userPath, arch, clientOS)
if err != nil {
return err
}
fmt.Println("Running osm check, this may take a few moments.")
ns, _ := osm.Flags().GetString("namespace")
meshName, _ := osm.Flags().GetString("mesh")
_, err = osmCli("check", "--pre-install", "--namespace="+ns)
if err != nil {
return err
}
res, err := osmCli("install", "--mesh-name="+meshName)
if err != nil {
return err
}
if res.ExitCode != 0 {
return fmt.Errorf("exit code %d, error: %s", res.ExitCode, res.Stderr)
}
fmt.Println(`=======================================================================
= OSM has been installed. =
=======================================================================
` +
OSMInfoMsg + pkg.SupportMessageShort)
return nil
}
return osm
}
func downloadOSM(userPath, arch, clientOS string) error {
tools := get.MakeTools()
var tool *get.Tool
for _, t := range tools {
if t.Name == "osm" {
tool = &t
break
}
}
if tool == nil {
return fmt.Errorf("unable to find tool definition")
}
if _, err := os.Stat(env.LocalBinary(tool.Name, "")); errors.Is(err, os.ErrNotExist) {
var (
progress bool
quiet bool
)
defaultMovePath := ""
outPath, finalName, err := get.Download(tool, arch, clientOS, tool.Version, defaultMovePath, progress, quiet)
if err != nil {
return err
}
fmt.Println("Downloaded to: ", outPath, finalName)
} else {
fmt.Printf("%s already exists, skipping download.\n", tool.Name)
}
return nil
}
func osmCli(parts ...string) (execute.ExecResult, error) {
task := execute.ExecTask{
Command: env.LocalBinary("osm", ""),
Args: parts,
Env: os.Environ(),
StreamStdio: true,
}
res, err := task.Execute(context.Background())
if err != nil {
return res, err
}
if res.ExitCode != 0 {
return res, fmt.Errorf("exit code %d, stderr: %s", res.ExitCode, res.Stderr)
}
return res, nil
}
var OSMInfoMsg = `# The osm CLI is installed at:
# $HOME/.bin/arkade/osm
# Find out more at:
# https://github.com/openservicemesh/osm
# Docs are live at:
# https://openservicemesh.io
# Walk-through a demo at:
# https://github.com/openservicemesh/osm/blob/main/docs/example/README.md
# To use the OSM CLI set this path:
export PATH=$PATH:` + getExportPath() + `
osm --help
`
var osmInstallMsg = `=======================================================================
= Open Service Mesh (OSM) has been installed. =
=======================================================================` +
"\n\n" + OSMInfoMsg + "\n\n" + pkg.SupportMessageShort