// RemoveOrphanedDrains removes all drains created by applog_endpoint.
func RemoveOrphanedDrains() {
// Note that this is tricky to do when horizontally scalling
// applog_endpoint. Could be solved easily by using nodeID or ip
// addr in the drain name.
logyardConfig := logyard.GetConfig()
for name, _ := range logyardConfig.Drains {
if strings.HasPrefix(name, DRAIN_PREFIX) {
log.Infof("Removing orphaned drain %v", name)
err := logyard.DeleteDrain(name)
if err != nil {
log.Warnf("Failed to delete drain %v -- %v",
name, err)
}
}
}
}
func (cmd *delete) Run(args []string) (string, error) {
if len(args) == 0 {
return "", fmt.Errorf("need at least one positional argument")
}
for _, name := range args {
err := logyard.DeleteDrain(name)
// In case of an error, exit abrutly ignoring the rest of the
// drains.
if err != nil {
return "", err
}
if !cmd.json {
fmt.Printf("Deleted drain %s\n", name)
}
}
if cmd.json {
return "{}", nil
} else {
return "", nil
}
}
func (d *AppLogDrain) removeDrain() error {
err := logyard.DeleteDrain(d.drainName)
log.Infof("Removed drain %v", d.Id())
return err
}
func (cmd *stream) Run(args []string) (string, error) {
ipaddr, err := server.LocalIP()
if err != nil {
return "", err
}
rand.Seed(time.Now().UnixNano())
port := 7000 + rand.Intn(1000)
addr := fmt.Sprintf("%s:%d", ipaddr, port)
srv, err := lineserver.NewLineServer(CLI_STREAM_PROTO, addr)
if err != nil {
return "", err
}
go srv.Start()
// Debug mode allows one to debug just the logyard related logs,
// without any magical stripping.
debugMode := false
if len(args) == 1 && args[0] == "debug" {
debugMode = true
args = []string{
"systail.logyard",
"systail.apptail",
"systail.logyard_sieve",
"systail.systail",
}
}
name := fmt.Sprintf("tmp.logyard-cli.%s-%d", ipaddr, port)
uri, err := drain.ConstructDrainURI(
name,
fmt.Sprintf("%s://%s", CLI_STREAM_PROTO, addr),
args,
map[string]string{"format": "raw"})
if err != nil {
return "", err
}
if err = logyard.AddDrain(name, uri); err != nil {
return "", err
}
log.Infof("Added drain %s", uri)
deleteDrain := func() {
if err := logyard.DeleteDrain(name); err != nil {
log.Fatal(err)
}
fmt.Println("")
log.Infof("Deleted drain %s", name)
}
defer deleteDrain()
handleKeyboardInterrupt(func() {
deleteDrain()
os.Exit(1)
})
cli_stream.Stream(srv.Ch, cli_stream.MessagePrinterOptions{
cmd.raw, cmd.raw || debugMode, cmd.time, cmd.nocolor, cmd.nodeid, cmd.json})
return "", nil
}