podman/pkg/machine/machine_common.go

57 lines
1.6 KiB
Go

//go:build amd64 || arm64
// +build amd64 arm64
package machine
import (
"fmt"
"net/url"
"os"
"strconv"
)
// getDevNullFiles returns pointers to Read-only and Write-only DevNull files
func GetDevNullFiles() (*os.File, *os.File, error) {
dnr, err := os.OpenFile(os.DevNull, os.O_RDONLY, 0755)
if err != nil {
return nil, nil, err
}
dnw, err := os.OpenFile(os.DevNull, os.O_WRONLY, 0755)
if err != nil {
if e := dnr.Close(); e != nil {
err = e
}
return nil, nil, err
}
return dnr, dnw, nil
}
// AddSSHConnectionsToPodmanSocket adds SSH connections to the podman socket if
// no ignition path is provided
func AddSSHConnectionsToPodmanSocket(uid, port int, identityPath, name, remoteUsername string, opts InitOptions) error {
if len(opts.IgnitionPath) < 1 {
uri := SSHRemoteConnection.MakeSSHURL(LocalhostIP, fmt.Sprintf("/run/user/%d/podman/podman.sock", uid), strconv.Itoa(port), remoteUsername)
uriRoot := SSHRemoteConnection.MakeSSHURL(LocalhostIP, "/run/podman/podman.sock", strconv.Itoa(port), "root")
uris := []url.URL{uri, uriRoot}
names := []string{name, name + "-root"}
// The first connection defined when connections is empty will become the default
// regardless of IsDefault, so order according to rootful
if opts.Rootful {
uris[0], names[0], uris[1], names[1] = uris[1], names[1], uris[0], names[0]
}
for i := 0; i < 2; i++ {
if err := AddConnection(&uris[i], names[i], identityPath, opts.IsDefault && i == 0); err != nil {
return err
}
}
} else {
fmt.Println("An ignition path was provided. No SSH connection was added to Podman")
}
return nil
}