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// +build remoteclient
package adapter
import (
"fmt"
"os"
"github.com/pkg/errors"
"github.com/varlink/go/varlink"
)
type VarlinkConnectionInfo struct {
RemoteUserName string
RemoteHost string
VarlinkAddress string
}
// Connect provides a varlink connection
func (r RemoteRuntime) Connect() (*varlink.Connection, error) {
var (
err error
connection *varlink.Connection
)
logLevel := r.cmd.LogLevel
// I'm leaving this here for now as a document of the birdge format. It can be removed later once the bridge
// function is more flushed out.
//bridge := `ssh -T root@192.168.122.1 "/usr/bin/varlink -A '/usr/bin/podman varlink \$VARLINK_ADDRESS' bridge"`
if len(r.cmd.RemoteHost) > 0 {
// The user has provided a remote host endpoint
if len(r.cmd.RemoteUserName) < 1 {
return nil, errors.New("you must provide a username when providing a remote host name")
}
bridge := fmt.Sprintf(`ssh -T %s@%s /usr/bin/varlink -A \'/usr/bin/podman --log-level=%s varlink \\\$VARLINK_ADDRESS\' bridge`, r.cmd.RemoteUserName, r.cmd.RemoteHost, logLevel)
connection, err = varlink.NewBridge(bridge)
} else if bridge := os.Getenv("PODMAN_VARLINK_BRIDGE"); bridge != "" {
connection, err = varlink.NewBridge(bridge)
} else {
address := os.Getenv("PODMAN_VARLINK_ADDRESS")
if address == "" {
address = DefaultAddress
}
connection, err = varlink.NewConnection(address)
}
if err != nil {
return nil, err
}
return connection, nil
}
// RefreshConnection is used to replace the current r.Conn after things like
// using an upgraded varlink connection
func (r RemoteRuntime) RefreshConnection() error {
newConn, err := r.Connect()
if err != nil {
return err
}
r.Conn = newConn
return nil
}
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