diff options
Diffstat (limited to 'pkg')
| -rw-r--r-- | pkg/machine/qemu/machine.go | 112 |
1 files changed, 72 insertions, 40 deletions
diff --git a/pkg/machine/qemu/machine.go b/pkg/machine/qemu/machine.go index 3b4548c17..d30e51215 100644 --- a/pkg/machine/qemu/machine.go +++ b/pkg/machine/qemu/machine.go @@ -134,7 +134,7 @@ func (p *Provider) NewMachine(opts machine.InitOptions) (machine.VM, error) { // LoadByName reads a json file that describes a known qemu vm // and returns a vm instance func (p *Provider) LoadVMByName(name string) (machine.VM, error) { - vm := new(MachineVM) + vm := &MachineVM{UID: -1} // posix reserves -1, so use it to signify undefined vmConfigDir, err := machine.GetConfDir(vmtype) if err != nil { return nil, err @@ -373,6 +373,10 @@ func (v *MachineVM) Start(name string, _ machine.StartOptions) error { wait time.Duration = time.Millisecond * 500 ) + if v.isIncompatible() { + logrus.Errorf("machine %q is incompatible with this release of podman and needs to be recreated, starting for recovery only", v.Name) + } + forwardSock, forwardState, err := v.startHostNetworking() if err != nil { return errors.Errorf("unable to start host networking: %q", err) @@ -506,7 +510,7 @@ func (v *MachineVM) Start(name string, _ machine.StartOptions) error { } } - waitAPIAndPrintInfo(forwardState, forwardSock, v.Rootful, v.Name) + v.waitAPIAndPrintInfo(forwardState, forwardSock) return nil } @@ -975,7 +979,11 @@ func (v *MachineVM) startHostNetworking() (string, apiForwardingState, error) { // Add the ssh port cmd = append(cmd, []string{"-ssh-port", fmt.Sprintf("%d", v.Port)}...) - cmd, forwardSock, state := v.setupAPIForwarding(cmd) + var forwardSock string + var state apiForwardingState + if !v.isIncompatible() { + cmd, forwardSock, state = v.setupAPIForwarding(cmd) + } if logrus.GetLevel() == logrus.DebugLevel { cmd = append(cmd, "--debug") @@ -1043,6 +1051,10 @@ func (v *MachineVM) setupAPIForwarding(cmd []string) ([]string, string, apiForwa return cmd, dockerSock, dockerGlobal } +func (v *MachineVM) isIncompatible() bool { + return v.UID == -1 +} + func (v *MachineVM) getForwardSocketPath() (string, error) { path, err := machine.GetDataDir(v.Name) if err != nil { @@ -1102,46 +1114,66 @@ func waitAndPingAPI(sock string) { } } -func waitAPIAndPrintInfo(forwardState apiForwardingState, forwardSock string, rootFul bool, name string) { - if forwardState != noForwarding { - suffix := "" - if name != machine.DefaultMachineName { - suffix = " " + name - } - waitAndPingAPI(forwardSock) - if !rootFul { - fmt.Printf("\nThis machine is currently configured in rootless mode. If your containers\n") - fmt.Printf("require root permissions (e.g. ports < 1024), or if you run into compatibility\n") - fmt.Printf("issues with non-podman clients, you can switch using the following command: \n") - fmt.Printf("\n\tpodman machine set --rootful%s\n\n", suffix) - } +func (v *MachineVM) waitAPIAndPrintInfo(forwardState apiForwardingState, forwardSock string) { + suffix := "" + if v.Name != machine.DefaultMachineName { + suffix = " " + v.Name + } - fmt.Printf("API forwarding listening on: %s\n", forwardSock) - if forwardState == dockerGlobal { - fmt.Printf("Docker API clients default to this address. You do not need to set DOCKER_HOST.\n\n") - } else { - stillString := "still " - switch forwardState { - case notInstalled: - fmt.Printf("\nThe system helper service is not installed; the default Docker API socket\n") - fmt.Printf("address can't be used by podman. ") - if helper := findClaimHelper(); len(helper) > 0 { - fmt.Printf("If you would like to install it run the\nfollowing commands:\n") - fmt.Printf("\n\tsudo %s install\n", helper) - fmt.Printf("\tpodman machine stop%s; podman machine start%s\n\n", suffix, suffix) - } - case machineLocal: - fmt.Printf("\nAnother process was listening on the default Docker API socket address.\n") - case claimUnsupported: - fallthrough - default: - stillString = "" - } + if v.isIncompatible() { + fmt.Fprintf(os.Stderr, "\n!!! ACTION REQUIRED: INCOMPATIBLE MACHINE !!!\n") - fmt.Printf("You can %sconnect Docker API clients by setting DOCKER_HOST using the\n", stillString) - fmt.Printf("following command in your terminal session:\n") - fmt.Printf("\n\texport DOCKER_HOST='unix://%s'\n\n", forwardSock) + fmt.Fprintf(os.Stderr, "\nThis machine was created by an older podman release that is incompatible\n") + fmt.Fprintf(os.Stderr, "with this release of podman. It has been started in a limited operational\n") + fmt.Fprintf(os.Stderr, "mode to allow you to copy any necessary files before recreating it. This\n") + fmt.Fprintf(os.Stderr, "can be accomplished with the following commands:\n\n") + fmt.Fprintf(os.Stderr, "\t# Login and copy desired files (Optional)\n") + fmt.Fprintf(os.Stderr, "\t# podman machine ssh%s tar cvPf - /path/to/files > backup.tar\n\n", suffix) + fmt.Fprintf(os.Stderr, "\t# Recreate machine (DESTRUCTIVE!) \n") + fmt.Fprintf(os.Stderr, "\tpodman machine stop%s\n", suffix) + fmt.Fprintf(os.Stderr, "\tpodman machine rm -f%s\n", suffix) + fmt.Fprintf(os.Stderr, "\tpodman machine init --now%s\n\n", suffix) + fmt.Fprintf(os.Stderr, "\t# Copy back files (Optional)\n") + fmt.Fprintf(os.Stderr, "\t# cat backup.tar | podman machine ssh%s tar xvPf - \n\n", suffix) + } + + if forwardState == noForwarding { + return + } + + waitAndPingAPI(forwardSock) + if !v.Rootful { + fmt.Printf("\nThis machine is currently configured in rootless mode. If your containers\n") + fmt.Printf("require root permissions (e.g. ports < 1024), or if you run into compatibility\n") + fmt.Printf("issues with non-podman clients, you can switch using the following command: \n") + fmt.Printf("\n\tpodman machine set --rootful%s\n\n", suffix) + } + + fmt.Printf("API forwarding listening on: %s\n", forwardSock) + if forwardState == dockerGlobal { + fmt.Printf("Docker API clients default to this address. You do not need to set DOCKER_HOST.\n\n") + } else { + stillString := "still " + switch forwardState { + case notInstalled: + fmt.Printf("\nThe system helper service is not installed; the default Docker API socket\n") + fmt.Printf("address can't be used by podman. ") + if helper := findClaimHelper(); len(helper) > 0 { + fmt.Printf("If you would like to install it run the\nfollowing commands:\n") + fmt.Printf("\n\tsudo %s install\n", helper) + fmt.Printf("\tpodman machine stop%s; podman machine start%s\n\n", suffix, suffix) + } + case machineLocal: + fmt.Printf("\nAnother process was listening on the default Docker API socket address.\n") + case claimUnsupported: + fallthrough + default: + stillString = "" } + + fmt.Printf("You can %sconnect Docker API clients by setting DOCKER_HOST using the\n", stillString) + fmt.Printf("following command in your terminal session:\n") + fmt.Printf("\n\texport DOCKER_HOST='unix://%s'\n\n", forwardSock) } } |