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2 changed files with 14 additions and 66 deletions

73
main.go
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@ -5,12 +5,10 @@ package main
import (
"embed"
"fmt"
"os"
"time"
"go.wit.com/dev/alexflint/arg"
"go.wit.com/lib/hostname"
"go.wit.com/lib/protobuf/zoopb"
"go.wit.com/log"
)
@ -22,32 +20,31 @@ var BUILDTIME string
var resources embed.FS
func main() {
me = new(zoodStruct)
me.pp = arg.MustParse(&argv)
var pp *arg.Parser
pp = arg.MustParse(&argv)
if me.pp == nil {
me.pp.WriteHelp(os.Stdout)
if pp == nil {
pp.WriteHelp(os.Stdout)
os.Exit(0)
}
if argv.Daemon {
// turn off timestamps for STDOUT (systemd adds them)
log.DaemonMode(true)
me.machine, me.fullpath = zoopb.InitDaemon()
} else {
me.machine, me.fullpath = zoopb.InitMachine()
}
if err := testZoo(); err != nil {
log.Info("FAILED TO CONNECT TO ZOOKEEPER: ", err)
log.Info("sleeping for 3 minutes")
time.Sleep(3 * time.Minute)
os.Exit(0)
me = new(stuff)
me.urlbase = "http://zookeeper.chap.wit.com:8080"
if argv.URL != "" {
log.Info("USING ARGV URL:", argv.URL)
me.urlbase = argv.URL
}
me.pollDelay = 3 * time.Second
me.failcountmax = 20 // die every minute if zookeeper can't be found
me.machine = zoopb.InitMachine()
if argv.Test != nil {
testURL(me.urlbase, me.machine)
os.Exit(0)
@ -56,52 +53,6 @@ func main() {
zood() // talks to zookeeper
}
func testZoo() error {
var err error
if argv.URL != "" {
log.Info("USING ARGV URL:", argv.URL)
if err = testURL(argv.URL, me.machine); err == nil {
me.urlbase = argv.URL
return nil
}
}
zooname := findZookeeper()
url := fmt.Sprintf("http://%s:8080/", zooname)
if err = testURL(url, me.machine); err == nil {
me.urlbase = url
return nil
}
url = fmt.Sprintf("https://%s/", zooname)
if err = testURL(url, me.machine); err == nil {
me.urlbase = url
return nil
}
url = "http://zookeeper.wit.com:8080/"
if err = testURL(url, me.machine); err == nil {
me.urlbase = url
return nil
}
url = "https://zookeeper.wit.com/"
if err = testURL(url, me.machine); err == nil {
me.urlbase = url
return nil
}
return err
}
func findZookeeper() string {
hname, dname, err := hostname.GetDomainname()
if err != nil {
log.Info("error with os.Hostname()", hname, dname, err)
}
if dname == "" {
return "zookeeper.wit.com"
}
return hostname.Join("zookeeper", dname)
}
func testURL(urlbase string, pb *zoopb.Machine) error {
newpb, wsPB, err := pb.HttpPost(urlbase, "test")
if err != nil {

View File

@ -6,14 +6,13 @@ package main
import (
"time"
"go.wit.com/dev/alexflint/arg"
"go.wit.com/lib/protobuf/zoopb"
)
var me *zoodStruct
var me *stuff
// this app's variables
type zoodStruct struct {
type stuff struct {
urlbase string // the dns name for the zookeeper
hostname string // my hostname
pollDelay time.Duration // how often to report our status
@ -21,6 +20,4 @@ type zoodStruct struct {
machine *zoopb.Machine // populated from protobuf based zoopb
failcount int // how many times we've failed to contact the zookeeper
failcountmax int // after this, exit and let systemd restart the daemon
fullpath string // where to save the machine PB file
pp *arg.Parser // from go-args
}