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Merge pull request #200 from cure/cli-improvements

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Cli improvements -- nodes subcommand
This commit is contained in:
Ward Vandewege 2021-10-29 17:36:54 -04:00 committed by GitHub
commit 7301d7eb67
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 129 additions and 111 deletions
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2
api.go
View File

@ -43,7 +43,7 @@ func (h *Headscale) RegisterWebAPI(c *gin.Context) {
<p>
<code>
<b>headscale -n NAMESPACE nodes register %s</b>
<b>headscale -n NAMESPACE nodes register -k %s</b>
</code>
</p>

224
cmd/headscale/cli/nodes.go
View File

@ -17,15 +17,50 @@ import (
func init() {
rootCmd.AddCommand(nodeCmd)
nodeCmd.PersistentFlags().StringP("namespace", "n", "", "Namespace")
err := nodeCmd.MarkPersistentFlagRequired("namespace")
listNodesCmd.Flags().StringP("namespace", "n", "", "Filter by namespace")
nodeCmd.AddCommand(listNodesCmd)
registerNodeCmd.Flags().StringP("namespace", "n", "", "Namespace")
err := registerNodeCmd.MarkFlagRequired("namespace")
if err != nil {
log.Fatalf(err.Error())
}
registerNodeCmd.Flags().StringP("key", "k", "", "Key")
err = registerNodeCmd.MarkFlagRequired("key")
if err != nil {
log.Fatalf(err.Error())
}
nodeCmd.AddCommand(listNodesCmd)
nodeCmd.AddCommand(registerNodeCmd)
deleteNodeCmd.Flags().IntP("identifier", "i", 0, "Node identifier (ID)")
err = deleteNodeCmd.MarkFlagRequired("identifier")
if err != nil {
log.Fatalf(err.Error())
}
nodeCmd.AddCommand(deleteNodeCmd)
shareMachineCmd.Flags().StringP("namespace", "n", "", "Namespace")
err = shareMachineCmd.MarkFlagRequired("namespace")
if err != nil {
log.Fatalf(err.Error())
}
shareMachineCmd.Flags().IntP("identifier", "i", 0, "Node identifier (ID)")
err = shareMachineCmd.MarkFlagRequired("identifier")
if err != nil {
log.Fatalf(err.Error())
}
nodeCmd.AddCommand(shareMachineCmd)
unshareMachineCmd.Flags().StringP("namespace", "n", "", "Namespace")
err = unshareMachineCmd.MarkFlagRequired("namespace")
if err != nil {
log.Fatalf(err.Error())
}
unshareMachineCmd.Flags().IntP("identifier", "i", 0, "Node identifier (ID)")
err = unshareMachineCmd.MarkFlagRequired("identifier")
if err != nil {
log.Fatalf(err.Error())
}
nodeCmd.AddCommand(unshareMachineCmd)
}
@ -35,14 +70,8 @@ var nodeCmd = &cobra.Command{
}
var registerNodeCmd = &cobra.Command{
Use: "register machineID",
Use: "register",
Short: "Registers a machine to your network",
Args: func(cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return fmt.Errorf("missing parameters")
}
return nil
},
Run: func(cmd *cobra.Command, args []string) {
n, err := cmd.Flags().GetString("namespace")
if err != nil {
@ -54,7 +83,11 @@ var registerNodeCmd = &cobra.Command{
if err != nil {
log.Fatalf("Error initializing: %s", err)
}
m, err := h.RegisterMachine(args[0], n)
machineIDStr, err := cmd.Flags().GetString("key")
if err != nil {
log.Fatalf("Error getting machine ID: %s", err)
}
m, err := h.RegisterMachine(machineIDStr, n)
if strings.HasPrefix(o, "json") {
JsonOutput(m, err, o)
return
@ -69,7 +102,7 @@ var registerNodeCmd = &cobra.Command{
var listNodesCmd = &cobra.Command{
Use: "list",
Short: "List the nodes in a given namespace",
Short: "List nodes",
Run: func(cmd *cobra.Command, args []string) {
n, err := cmd.Flags().GetString("namespace")
if err != nil {
@ -82,23 +115,44 @@ var listNodesCmd = &cobra.Command{
log.Fatalf("Error initializing: %s", err)
}
namespace, err := h.GetNamespace(n)
if err != nil {
log.Fatalf("Error fetching namespace: %s", err)
var namespaces []headscale.Namespace
var namespace *headscale.Namespace
var sharedMachines *[]headscale.Machine
if len(n) == 0 {
// no namespace provided, list all
tmp, err := h.ListNamespaces()
if err != nil {
log.Fatalf("Error fetching namespace: %s", err)
}
namespaces = *tmp
} else {
namespace, err = h.GetNamespace(n)
if err != nil {
log.Fatalf("Error fetching namespace: %s", err)
}
namespaces = append(namespaces, *namespace)
sharedMachines, err = h.ListSharedMachinesInNamespace(n)
if err != nil {
log.Fatalf("Error fetching shared machines: %s", err)
}
}
machines, err := h.ListMachinesInNamespace(n)
if err != nil {
log.Fatalf("Error fetching machines: %s", err)
var allMachines []headscale.Machine
for _, namespace := range namespaces {
machines, err := h.ListMachinesInNamespace(namespace.Name)
if err != nil {
log.Fatalf("Error fetching machines: %s", err)
}
allMachines = append(allMachines, *machines...)
}
sharedMachines, err := h.ListSharedMachinesInNamespace(n)
if err != nil {
log.Fatalf("Error fetching shared machines: %s", err)
// listing sharedMachines is only relevant when a particular namespace is
// requested
if sharedMachines != nil {
allMachines = append(allMachines, *sharedMachines...)
}
allMachines := append(*machines, *sharedMachines...)
if strings.HasPrefix(o, "json") {
JsonOutput(allMachines, err, o)
return
@ -108,7 +162,7 @@ var listNodesCmd = &cobra.Command{
log.Fatalf("Error getting nodes: %s", err)
}
d, err := nodesToPtables(*namespace, allMachines)
d, err := nodesToPtables(namespace, allMachines)
if err != nil {
log.Fatalf("Error converting to table: %s", err)
}
@ -121,21 +175,15 @@ var listNodesCmd = &cobra.Command{
}
var deleteNodeCmd = &cobra.Command{
Use: "delete ID",
Use: "delete",
Short: "Delete a node",
Args: func(cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return fmt.Errorf("missing parameters")
}
return nil
},
Run: func(cmd *cobra.Command, args []string) {
output, _ := cmd.Flags().GetString("output")
h, err := getHeadscaleApp()
if err != nil {
log.Fatalf("Error initializing: %s", err)
}
id, err := strconv.Atoi(args[0])
id, err := cmd.Flags().GetInt("identifier")
if err != nil {
log.Fatalf("Error converting ID to integer: %s", err)
}
@ -176,47 +224,42 @@ var deleteNodeCmd = &cobra.Command{
},
}
func sharingWorker(cmd *cobra.Command, args []string) (*headscale.Headscale, string, *headscale.Machine, *headscale.Namespace) {
namespaceStr, err := cmd.Flags().GetString("namespace")
if err != nil {
log.Fatalf("Error getting namespace: %s", err)
}
output, _ := cmd.Flags().GetString("output")
h, err := getHeadscaleApp()
if err != nil {
log.Fatalf("Error initializing: %s", err)
}
namespace, err := h.GetNamespace(namespaceStr)
if err != nil {
log.Fatalf("Error fetching namespace %s: %s", namespaceStr, err)
}
id, err := cmd.Flags().GetInt("identifier")
if err != nil {
log.Fatalf("Error converting ID to integer: %s", err)
}
machine, err := h.GetMachineByID(uint64(id))
if err != nil {
log.Fatalf("Error getting node: %s", err)
}
return h, output, machine, namespace
}
var shareMachineCmd = &cobra.Command{
Use: "share ID namespace",
Use: "share",
Short: "Shares a node from the current namespace to the specified one",
Args: func(cmd *cobra.Command, args []string) error {
if len(args) < 2 {
return fmt.Errorf("missing parameters")
}
return nil
},
Run: func(cmd *cobra.Command, args []string) {
namespace, err := cmd.Flags().GetString("namespace")
if err != nil {
log.Fatalf("Error getting namespace: %s", err)
}
output, _ := cmd.Flags().GetString("output")
h, err := getHeadscaleApp()
if err != nil {
log.Fatalf("Error initializing: %s", err)
}
_, err = h.GetNamespace(namespace)
if err != nil {
log.Fatalf("Error fetching origin namespace: %s", err)
}
destinationNamespace, err := h.GetNamespace(args[1])
if err != nil {
log.Fatalf("Error fetching destination namespace: %s", err)
}
id, err := strconv.Atoi(args[0])
if err != nil {
log.Fatalf("Error converting ID to integer: %s", err)
}
machine, err := h.GetMachineByID(uint64(id))
if err != nil {
log.Fatalf("Error getting node: %s", err)
}
err = h.AddSharedMachineToNamespace(machine, destinationNamespace)
h, output, machine, namespace := sharingWorker(cmd, args)
err := h.AddSharedMachineToNamespace(machine, namespace)
if strings.HasPrefix(output, "json") {
JsonOutput(map[string]string{"Result": "Node shared"}, err, output)
return
@ -231,41 +274,11 @@ var shareMachineCmd = &cobra.Command{
}
var unshareMachineCmd = &cobra.Command{
Use: "unshare ID",
Use: "unshare",
Short: "Unshares a node from the specified namespace",
Args: func(cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return fmt.Errorf("missing parameters")
}
return nil
},
Run: func(cmd *cobra.Command, args []string) {
namespace, err := cmd.Flags().GetString("namespace")
if err != nil {
log.Fatalf("Error getting namespace: %s", err)
}
output, _ := cmd.Flags().GetString("output")
h, err := getHeadscaleApp()
if err != nil {
log.Fatalf("Error initializing: %s", err)
}
n, err := h.GetNamespace(namespace)
if err != nil {
log.Fatalf("Error fetching namespace: %s", err)
}
id, err := strconv.Atoi(args[0])
if err != nil {
log.Fatalf("Error converting ID to integer: %s", err)
}
machine, err := h.GetMachineByID(uint64(id))
if err != nil {
log.Fatalf("Error getting node: %s", err)
}
err = h.RemoveSharedMachineFromNamespace(machine, n)
h, output, machine, namespace := sharingWorker(cmd, args)
err := h.RemoveSharedMachineFromNamespace(machine, namespace)
if strings.HasPrefix(output, "json") {
JsonOutput(map[string]string{"Result": "Node unshared"}, err, output)
return
@ -279,7 +292,7 @@ var unshareMachineCmd = &cobra.Command{
},
}
func nodesToPtables(currentNamespace headscale.Namespace, machines []headscale.Machine) (pterm.TableData, error) {
func nodesToPtables(currentNamespace *headscale.Namespace, machines []headscale.Machine) (pterm.TableData, error) {
d := pterm.TableData{{"ID", "Name", "NodeKey", "Namespace", "IP address", "Ephemeral", "Last seen", "Online"}}
for _, machine := range machines {
@ -307,9 +320,10 @@ func nodesToPtables(currentNamespace headscale.Namespace, machines []headscale.M
}
var namespace string
if currentNamespace.ID == machine.NamespaceID {
if (currentNamespace == nil) || (currentNamespace.ID == machine.NamespaceID) {
namespace = pterm.LightMagenta(machine.Namespace.Name)
} else {
// Shared into this namespace
namespace = pterm.LightYellow(machine.Namespace.Name)
}
d = append(d, []string{strconv.FormatUint(machine.ID, 10), machine.Name, nodeKey.ShortString(), namespace, machine.IPAddress, strconv.FormatBool(ephemeral), lastSeenTime, online})

6
docs/Running.md
View File

@ -97,7 +97,7 @@
9. In the server, register your machine to a namespace with the CLI
```shell
headscale -n myfirstnamespace nodes register YOURMACHINEKEY
headscale -n myfirstnamespace nodes register -k YOURMACHINEKEY
```
or docker:
```shell
@ -106,11 +106,11 @@
-v $(pwd)/config.json:/config.json \
-v $(pwd)/derp.yaml:/derp.yaml \
headscale/headscale:x.x.x \
headscale -n myfirstnamespace nodes register YOURMACHINEKEY
headscale -n myfirstnamespace nodes register -k YOURMACHINEKEY
```
or if your server is already running in docker:
```shell
docker exec <container_name> headscale -n myfirstnamespace nodes register YOURMACHINEKEY
docker exec <container_name> headscale -n myfirstnamespace nodes register -k YOURMACHINEKEY
```
Alternatively, you can use Auth Keys to register your machines:

2
integration_test.go
View File

@ -493,7 +493,7 @@ func (s *IntegrationTestSuite) TestSharedNodes() {
result, err := executeCommand(
&headscale,
[]string{"headscale", "nodes", "share", "--namespace", "shared", fmt.Sprint(machine.ID), "main"},
[]string{"headscale", "nodes", "share", "--identifier", fmt.Sprint(machine.ID), "--namespace", "main"},
[]string{},
)
assert.Nil(s.T(), err)

3
sharing.go
View File

@ -43,7 +43,8 @@ func (h *Headscale) AddSharedMachineToNamespace(m *Machine, ns *Namespace) error
// RemoveSharedMachineFromNamespace removes a shared machine from a namespace
func (h *Headscale) RemoveSharedMachineFromNamespace(m *Machine, ns *Namespace) error {
if m.NamespaceID == ns.ID {
return errorSameNamespace
// Can't unshare from primary namespace
return errorMachineNotShared
}
sharedMachine := SharedMachine{}

3
sharing_test.go
View File

@ -86,6 +86,9 @@ func (s *Suite) TestUnshare(c *check.C) {
err = h.RemoveSharedMachineFromNamespace(m2, n1)
c.Assert(err, check.Equals, errorMachineNotShared)
err = h.RemoveSharedMachineFromNamespace(m1, n1)
c.Assert(err, check.Equals, errorMachineNotShared)
}
func (s *Suite) TestAlreadyShared(c *check.C) {