podman/pkg/machine/qemu/command/helpers.go

59 lines
1.7 KiB
Go

package command
import (
"encoding/base64"
"fmt"
"os"
"path/filepath"
"strings"
"github.com/containers/common/libnetwork/etchosts"
"github.com/containers/common/pkg/config"
"github.com/containers/podman/v5/pkg/machine/define"
)
func GetProxyVariables() map[string]string {
proxyOpts := make(map[string]string)
for _, variable := range config.ProxyEnv {
if value, ok := os.LookupEnv(variable); ok {
if value == "" {
continue
}
v := strings.ReplaceAll(value, "127.0.0.1", etchosts.HostContainersInternal)
v = strings.ReplaceAll(v, "localhost", etchosts.HostContainersInternal)
proxyOpts[variable] = v
}
}
return proxyOpts
}
// PropagateHostEnv is here for providing the ability to propagate
// proxy and SSL settings (e.g. HTTP_PROXY and others) on a start
// and avoid a need of re-creating/re-initiating a VM
func PropagateHostEnv(cmdLine QemuCmd) QemuCmd {
varsToPropagate := make([]string, 0)
for k, v := range GetProxyVariables() {
varsToPropagate = append(varsToPropagate, fmt.Sprintf("%s=%q", k, v))
}
if sslCertFile, ok := os.LookupEnv("SSL_CERT_FILE"); ok {
pathInVM := filepath.Join(define.UserCertsTargetPath, filepath.Base(sslCertFile))
varsToPropagate = append(varsToPropagate, fmt.Sprintf("%s=%q", "SSL_CERT_FILE", pathInVM))
}
if _, ok := os.LookupEnv("SSL_CERT_DIR"); ok {
varsToPropagate = append(varsToPropagate, fmt.Sprintf("%s=%q", "SSL_CERT_DIR", define.UserCertsTargetPath))
}
if len(varsToPropagate) > 0 {
prefix := "name=opt/com.coreos/environment,string="
envVarsJoined := strings.Join(varsToPropagate, "|")
fwCfgArg := prefix + base64.StdEncoding.EncodeToString([]byte(envVarsJoined))
return append(cmdLine, "-fw_cfg", fwCfgArg)
}
return cmdLine
}