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Add -sync-first flag to render template before processing with interval or watching #884

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Add -sync-first flag to render template before processing with interval or watching #884

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12 changes: 12 additions & 0 deletions confd.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ import (
"os/signal"
"runtime"
"syscall"
"time"

"github.com/kelseyhightower/confd/backends"
"github.com/kelseyhightower/confd/log"
Expand Down Expand Up @@ -38,6 +39,17 @@ func main() {
os.Exit(0)
}

if config.SyncFirst {
for {
if err := template.Process(config.TemplateConfig); err != nil {
log.Error(err.Error())
time.Sleep(5 * time.Second)
} else {
break
}
}
}

stopChan := make(chan bool)
doneChan := make(chan bool)
errChan := make(chan error, 10)
Expand Down
2 changes: 2 additions & 0 deletions config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ type Config struct {
PrintVersion bool
ConfigFile string
OneTime bool
SyncFirst bool
}

var config Config
Expand Down Expand Up @@ -70,6 +71,7 @@ func init() {
flag.StringVar(&config.Username, "username", "", "the username to authenticate as (only used with vault and etcd backends)")
flag.StringVar(&config.Password, "password", "", "the password to authenticate with (only used with vault and etcd backends)")
flag.BoolVar(&config.Watch, "watch", false, "enable watch support")
flag.BoolVar(&config.SyncFirst, "sync-first", false, "sync template first")
}

// initConfig initializes the confd configuration by first setting defaults,
Expand Down