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cmd_status.go
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/
cmd_status.go
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package cli
import (
"context"
"io"
"github.com/spf13/cobra"
empty "google.golang.org/protobuf/types/known/emptypb"
"github.com/telepresenceio/telepresence/rpc/v2/connector"
"github.com/telepresenceio/telepresence/v2/pkg/client"
"github.com/telepresenceio/telepresence/v2/pkg/client/cli/ann"
"github.com/telepresenceio/telepresence/v2/pkg/client/cli/output"
"github.com/telepresenceio/telepresence/v2/pkg/client/cli/util"
"github.com/telepresenceio/telepresence/v2/pkg/client/scout"
"github.com/telepresenceio/telepresence/v2/pkg/ioutil"
"github.com/telepresenceio/telepresence/v2/pkg/iputil"
)
type StatusInfo struct {
RootDaemon io.WriterTo `json:"root_daemon" yaml:"root_daemon"`
UserDaemon io.WriterTo `json:"user_daemon" yaml:"user_daemon"`
}
type rootDaemonStatus struct {
Running bool `json:"running,omitempty" yaml:"running,omitempty"`
Version string `json:"version,omitempty" yaml:"version,omitempty"`
APIVersion int32 `json:"api_version,omitempty" yaml:"api_version,omitempty"`
DNS *client.DNSSnake `json:"dns,omitempty" yaml:"dns,omitempty"`
*client.RoutingSnake `yaml:",inline"`
}
type userDaemonStatus struct {
Running bool `json:"running,omitempty" yaml:"running,omitempty"`
Version string `json:"version,omitempty" yaml:"version,omitempty"`
APIVersion int32 `json:"api_version,omitempty" yaml:"api_version,omitempty"`
Executable string `json:"executable,omitempty" yaml:"executable,omitempty"`
InstallID string `json:"install_id,omitempty" yaml:"install_id,omitempty"`
Status string `json:"status,omitempty" yaml:"status,omitempty"`
Error string `json:"error,omitempty" yaml:"error,omitempty"`
KubernetesServer string `json:"kubernetes_server,omitempty" yaml:"kubernetes_server,omitempty"`
KubernetesContext string `json:"kubernetes_context,omitempty" yaml:"kubernetes_context,omitempty"`
Intercepts []connectStatusIntercept `json:"intercepts,omitempty" yaml:"intercepts,omitempty"`
}
type connectStatusIntercept struct {
Name string `json:"name,omitempty" yaml:"name,omitempty"`
Client string `json:"client,omitempty" yaml:"client,omitempty"`
}
func statusCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "status",
Args: cobra.NoArgs,
Short: "Show connectivity status",
RunE: run,
PersistentPreRunE: fixFlag,
Annotations: map[string]string{
ann.RootDaemon: ann.Optional,
ann.UserDaemon: ann.Optional,
},
}
flags := cmd.Flags()
flags.BoolP("json", "j", false, "output as json object")
flags.Lookup("json").Hidden = true
return cmd
}
func fixFlag(cmd *cobra.Command, _ []string) error {
flags := cmd.Flags()
json, err := flags.GetBool("json")
if err != nil {
return err
}
rootCmd := cmd.Parent()
if json {
if err = rootCmd.PersistentFlags().Set("output", "json"); err != nil {
return err
}
}
return rootCmd.PersistentPreRunE(cmd, flags.Args())
}
// status will retrieve connectivity status from the daemon and print it on stdout.
func run(cmd *cobra.Command, _ []string) error {
if err := util.InitCommand(cmd); err != nil {
return err
}
ctx := cmd.Context()
si, err := GetStatusInfo(ctx)
if err != nil {
return err
}
if output.WantsFormatted(cmd) {
output.Object(ctx, si, true)
} else {
_, _ = ioutil.WriteAllTo(cmd.OutOrStdout(), si.WriterTos()...)
}
return nil
}
// GetStatusInfo may return an extended struct, based on the one returned by the BasicGetStatusInfo.
var GetStatusInfo = BasicGetStatusInfo //nolint:gochecknoglobals // extension point
func BasicGetStatusInfo(ctx context.Context) (ioutil.WriterTos, error) {
rs := rootDaemonStatus{}
us := userDaemonStatus{}
si := &StatusInfo{
RootDaemon: &rs,
UserDaemon: &us,
}
userD := util.GetUserDaemon(ctx)
if userD == nil {
return si, nil
}
reporter := scout.NewReporter(ctx, "cli")
si.UserDaemon = &us
us.InstallID = reporter.InstallID()
us.Running = true
version, err := userD.Version(ctx, &empty.Empty{})
if err != nil {
return nil, err
}
us.Version = version.Version
us.APIVersion = version.ApiVersion
us.Executable = version.Executable
status, err := userD.Status(ctx, &empty.Empty{})
if err != nil {
return nil, err
}
switch status.Error {
case connector.ConnectInfo_UNSPECIFIED, connector.ConnectInfo_ALREADY_CONNECTED:
us.Status = "Connected"
us.KubernetesServer = status.ClusterServer
us.KubernetesContext = status.ClusterContext
for _, icept := range status.GetIntercepts().GetIntercepts() {
us.Intercepts = append(us.Intercepts, connectStatusIntercept{
Name: icept.Spec.Name,
Client: icept.Spec.Client,
})
}
case connector.ConnectInfo_MUST_RESTART:
us.Status = "Connected, but must restart"
case connector.ConnectInfo_DISCONNECTED:
us.Status = "Not connected"
case connector.ConnectInfo_CLUSTER_FAILED:
us.Status = "Not connected, error talking to cluster"
us.Error = status.ErrorText
case connector.ConnectInfo_TRAFFIC_MANAGER_FAILED:
us.Status = "Not connected, error talking to in-cluster Telepresence traffic-manager"
us.Error = status.ErrorText
}
rStatus := status.DaemonStatus
if rStatus != nil {
rs.Running = true
rs.Version = rStatus.Version.Version
rs.APIVersion = rStatus.Version.ApiVersion
if obc := rStatus.OutboundConfig; obc != nil {
rs.DNS = &client.DNSSnake{}
dns := obc.Dns
if dns.LocalIp != nil {
// Local IP is only set when the overriding resolver is used
rs.DNS.LocalIP = dns.LocalIp
}
rs.DNS.RemoteIP = dns.RemoteIp
rs.DNS.ExcludeSuffixes = dns.ExcludeSuffixes
rs.DNS.IncludeSuffixes = dns.IncludeSuffixes
rs.DNS.LookupTimeout = dns.LookupTimeout.AsDuration()
rs.RoutingSnake = &client.RoutingSnake{}
for _, subnet := range obc.AlsoProxySubnets {
rs.RoutingSnake.AlsoProxy = append(rs.RoutingSnake.AlsoProxy, (*iputil.Subnet)(iputil.IPNetFromRPC(subnet)))
}
for _, subnet := range obc.NeverProxySubnets {
rs.RoutingSnake.NeverProxy = append(rs.RoutingSnake.NeverProxy, (*iputil.Subnet)(iputil.IPNetFromRPC(subnet)))
}
}
}
return si, nil
}
func (s *StatusInfo) WriterTos() []io.WriterTo {
return []io.WriterTo{s.UserDaemon, s.RootDaemon}
}
func (ds *rootDaemonStatus) WriteTo(out io.Writer) (int64, error) {
n := 0
if ds.Running {
n += ioutil.Println(out, "Root Daemon: Running")
n += ioutil.Printf(out, " Version: %s (api %d)\n", ds.Version, ds.APIVersion)
if ds.DNS != nil {
n += printDNS(out, ds.DNS)
}
if ds.RoutingSnake != nil {
n += printRouting(out, ds.RoutingSnake)
}
} else {
n += ioutil.Println(out, "Root Daemon: Not running")
}
return int64(n), nil
}
func printDNS(out io.Writer, d *client.DNSSnake) int {
n := ioutil.Printf(out, " DNS :\n")
if len(d.LocalIP) > 0 {
n += ioutil.Printf(out, " Local IP : %v\n", d.LocalIP)
}
n += ioutil.Printf(out, " Remote IP : %v\n", d.RemoteIP)
n += ioutil.Printf(out, " Exclude suffixes: %v\n", d.ExcludeSuffixes)
n += ioutil.Printf(out, " Include suffixes: %v\n", d.IncludeSuffixes)
n += ioutil.Printf(out, " Timeout : %v\n", d.LookupTimeout)
return n
}
func printRouting(out io.Writer, r *client.RoutingSnake) int {
n := ioutil.Printf(out, " Also Proxy : (%d subnets)\n", len(r.AlsoProxy))
for _, subnet := range r.AlsoProxy {
n += ioutil.Printf(out, " - %s\n", subnet)
}
n += ioutil.Printf(out, " Never Proxy: (%d subnets)\n", len(r.NeverProxy))
for _, subnet := range r.NeverProxy {
n += ioutil.Printf(out, " - %s\n", subnet)
}
return n
}
func (cs *userDaemonStatus) WriteTo(out io.Writer) (int64, error) {
n := 0
if cs.Running {
n += ioutil.Println(out, "User Daemon: Running")
n += ioutil.Printf(out, " Version : %s (api %d)\n", cs.Version, cs.APIVersion)
n += ioutil.Printf(out, " Executable : %s\n", cs.Executable)
n += ioutil.Printf(out, " Install ID : %s\n", cs.InstallID)
n += ioutil.Printf(out, " Status : %s\n", cs.Status)
if cs.Error != "" {
n += ioutil.Printf(out, " Error : %s\n", cs.Error)
}
n += ioutil.Printf(out, " Kubernetes server : %s\n", cs.KubernetesServer)
n += ioutil.Printf(out, " Kubernetes context: %s\n", cs.KubernetesContext)
n += ioutil.Printf(out, " Intercepts : %d total\n", len(cs.Intercepts))
for _, intercept := range cs.Intercepts {
n += ioutil.Printf(out, " %s: %s\n", intercept.Name, intercept.Client)
}
} else {
n += ioutil.Println(out, "User Daemon: Not running")
}
return int64(n), nil
}