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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
// Author: arnej
package configserver
import (
"os"
"github.com/vespa-engine/vespa/client/go/internal/admin/envvars"
"github.com/vespa-engine/vespa/client/go/internal/admin/jvm"
"github.com/vespa-engine/vespa/client/go/internal/admin/trace"
"github.com/vespa-engine/vespa/client/go/internal/util"
"github.com/vespa-engine/vespa/client/go/internal/vespa"
)
const (
SERVICE_NAME = "configserver"
)
func commonPreChecks() (veHome string) {
if doTrace := os.Getenv(envvars.TRACE_JVM_STARTUP); doTrace != "" {
trace.AdjustVerbosity(1)
}
if doDebug := os.Getenv(envvars.DEBUG_JVM_STARTUP); doDebug != "" {
trace.AdjustVerbosity(2)
}
_ = vespa.FindAndVerifyVespaHome()
err := vespa.LoadDefaultEnv()
if err != nil {
panic(err)
}
veHome = vespa.FindAndVerifyVespaHome()
veHost, e := vespa.FindOurHostname()
if e != nil {
trace.Warning("could not detect hostname:", err, "; using fallback:", veHost)
}
checkIsConfigserver(veHost)
e = os.Chdir(veHome)
if e != nil {
util.JustExitWith(e)
}
return
}
func JustStartConfigserver() int {
vespaHome := commonPreChecks()
vespa.CheckCorrectUser()
util.TuneResourceLimits()
util.TuneLogging(SERVICE_NAME, "com.google.api.client.http.HttpTransport", "config=off")
exportSettings(vespaHome)
removeStaleZkLocks(vespaHome)
c := jvm.NewStandaloneContainer(SERVICE_NAME)
jvmOpts := c.JvmOptions()
if extra := os.Getenv(envvars.VESPA_CONFIGSERVER_JVMARGS); extra != "" {
jvmOpts.AddJvmArgsFromString(extra)
}
minFallback := jvm.MegaBytesOfMemory(128)
maxFallback := jvm.MegaBytesOfMemory(2048)
jvmOpts.AddDefaultHeapSizeArgs(minFallback, maxFallback)
c.Exec()
// unreachable:
return 1
}
func runConfigserverWithRunserver() int {
commonPreChecks()
vespa.CheckCorrectUser()
rs := RunServer{
ServiceName: SERVICE_NAME,
Args: []string{"just-start-configserver"},
}
rs.Exec("libexec/vespa/vespa-wrapper")
return 1
}
func StartConfigserverEtc() int {
vespaHome := commonPreChecks()
vespa.RunPreStart()
util.TuneResourceLimits()
fixSpec := makeFixSpec()
fixDirsAndFiles(fixSpec)
exportSettings(vespaHome)
vespa.MaybeSwitchUser("vespa-start-configserver")
maybeStartLogd()
return runConfigserverWithRunserver()
}
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