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https://github.com/containers/podman.git
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38199f4c28
allow the user to define a remote host and remote username for their remote podman sessions. this is then feed to the varlink "bridge" as the ssh credentials and endpoint. Signed-off-by: baude <bbaude@redhat.com>
63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
// +build remoteclient
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package adapter
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import (
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"fmt"
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"os"
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"github.com/pkg/errors"
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"github.com/varlink/go/varlink"
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)
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type VarlinkConnectionInfo struct {
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RemoteUserName string
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RemoteHost string
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VarlinkAddress string
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}
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// Connect provides a varlink connection
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func (r RemoteRuntime) Connect() (*varlink.Connection, error) {
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var (
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err error
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connection *varlink.Connection
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)
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logLevel := r.cmd.LogLevel
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// I'm leaving this here for now as a document of the birdge format. It can be removed later once the bridge
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// function is more flushed out.
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//bridge := `ssh -T root@192.168.122.1 "/usr/bin/varlink -A '/usr/bin/podman varlink \$VARLINK_ADDRESS' bridge"`
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if len(r.cmd.RemoteHost) > 0 {
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// The user has provided a remote host endpoint
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if len(r.cmd.RemoteUserName) < 1 {
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return nil, errors.New("you must provide a username when providing a remote host name")
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}
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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)
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connection, err = varlink.NewBridge(bridge)
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} else if bridge := os.Getenv("PODMAN_VARLINK_BRIDGE"); bridge != "" {
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connection, err = varlink.NewBridge(bridge)
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} else {
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address := os.Getenv("PODMAN_VARLINK_ADDRESS")
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if address == "" {
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address = DefaultAddress
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}
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connection, err = varlink.NewConnection(address)
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}
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if err != nil {
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return nil, err
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}
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return connection, nil
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}
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// RefreshConnection is used to replace the current r.Conn after things like
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// using an upgraded varlink connection
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func (r RemoteRuntime) RefreshConnection() error {
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newConn, err := r.Connect()
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if err != nil {
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return err
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}
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r.Conn = newConn
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return nil
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}
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