5ce61ef200
* Fix the wrong arch of target host, * get the OS arch with `uname -a` * refactor the SSHConnectionTimeout constant * only provision on remote host
92 lines
2.4 KiB
Go
92 lines
2.4 KiB
Go
package linux
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"os/exec"
|
|
"strings"
|
|
|
|
"github.com/metrue/fx/provisioner"
|
|
"github.com/metrue/go-ssh-client"
|
|
)
|
|
|
|
var scripts = map[string]interface{}{
|
|
"docker_version": "docker version",
|
|
"has_docker": "type docker",
|
|
"install_docker": "curl -fsSL https://download.docker.com/linux/static/stable/x86_64/docker-18.06.3-ce.tgz -o docker.tgz && tar zxvf docker.tgz && mv docker/* /usr/bin && rm -rf docker docker.tgz",
|
|
"start_dockerd": "dockerd >/dev/null 2>&1 & sleep 2",
|
|
"check_fx_agent": "docker inspect fx-agent",
|
|
"start_fx_agent": "docker run -d --name=fx-agent --rm -v /var/run/docker.sock:/var/run/docker.sock -p 0.0.0.0:8866:1234 bobrik/socat TCP-LISTEN:1234,fork UNIX-CONNECT:/var/run/docker.sock",
|
|
}
|
|
|
|
// Docker define a fx docker host
|
|
type Docker struct {
|
|
sshClient ssh.Clienter
|
|
}
|
|
|
|
// New a docker provioner
|
|
func New(sshClient ssh.Clienter) *Docker {
|
|
return &Docker{
|
|
sshClient: sshClient,
|
|
}
|
|
}
|
|
|
|
// Provision a host
|
|
func (d *Docker) Provision(ctx context.Context, isRemote bool) error {
|
|
if err := d.runCmd(scripts["docker_version"].(string), isRemote); err != nil {
|
|
if err := d.runCmd(scripts["has_docker"].(string), isRemote); err != nil {
|
|
if err := d.runCmd(scripts["install_docker"].(string), isRemote); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
if err := d.runCmd(scripts["start_dockerd"].(string), isRemote); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
if err := d.runCmd(scripts["check_fx_agent"].(string), isRemote); err != nil {
|
|
if err := d.runCmd(scripts["start_fx_agent"].(string), isRemote); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (d *Docker) runCmd(script string, isRemote bool, options ...ssh.CommandOptions) error {
|
|
option := ssh.CommandOptions{
|
|
Timeout: provisioner.SSHConnectionTimeout,
|
|
}
|
|
if len(options) >= 1 {
|
|
option = options[0]
|
|
}
|
|
if !isRemote {
|
|
params := strings.Split(script, " ")
|
|
if len(params) == 0 {
|
|
return fmt.Errorf("invalid script: %s", script)
|
|
}
|
|
// nolint
|
|
cmd := exec.Command(params[0], params[1:]...)
|
|
cmd.Stdout = option.Stdout
|
|
cmd.Stderr = option.Stderr
|
|
err := cmd.Run()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
ok, err := d.sshClient.Connectable(provisioner.SSHConnectionTimeout)
|
|
if err != nil {
|
|
return fmt.Errorf("could not connect via SSH: '%s'", err)
|
|
}
|
|
if !ok {
|
|
return fmt.Errorf("could not connect via SSH")
|
|
}
|
|
|
|
return d.sshClient.RunCommand(script, option)
|
|
}
|
|
|
|
var (
|
|
_ provisioner.Provisioner = &Docker{}
|
|
)
|