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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
// Author: arnej
package jvm
import (
"fmt"
"os"
"github.com/vespa-engine/vespa/client/go/internal/admin/defaults"
"github.com/vespa-engine/vespa/client/go/internal/admin/envvars"
"github.com/vespa-engine/vespa/client/go/internal/admin/prog"
"github.com/vespa-engine/vespa/client/go/internal/admin/trace"
"github.com/vespa-engine/vespa/client/go/internal/util"
)
const (
JAR_FOR_APPLICATION_CONTAINER = "container-disc-jar-with-dependencies.jar"
)
type ApplicationContainer struct {
containerBase
}
func (a *ApplicationContainer) ArgForMain() string {
dir := defaults.UnderVespaHome("lib/jars")
return fmt.Sprintf("file:%s/%s", dir, JAR_FOR_APPLICATION_CONTAINER)
}
func (a *ApplicationContainer) Discriminator() string {
cfgId := a.ConfigId()
if cfgId != "" {
trace.Trace("Discriminator: using md5 of", cfgId)
return util.Md5Hex(cfgId + "\n")
}
svcName := a.ServiceName()
if svcName != "" {
trace.Trace("Discriminator: using", svcName)
return svcName
}
pid := os.Getpid()
trace.Trace("Discriminator: using md5 of", pid)
return util.Md5Hex(fmt.Sprintf("%d", pid))
}
func (a *ApplicationContainer) addJdiscProperties() {
cfgId := a.ConfigId()
opts := a.jvmOpts
opts.AddCommonJdiscProperties()
containerParentDir := defaults.UnderVespaHome("var/jdisc_container")
containerHomeDir := fmt.Sprintf("%s/%s", containerParentDir, a.Discriminator())
bCacheDir := fmt.Sprintf("%s/%s", containerHomeDir, "bundlecache")
propsFile := fmt.Sprintf("%s/%s.properties", containerHomeDir, "jdisc")
opts.fixSpec.FixDir(containerHomeDir)
opts.fixSpec.FixDir(bCacheDir)
a.propsFile = propsFile
opts.AddOption("-Djdisc.config.file=" + propsFile)
opts.AddOption("-Djdisc.cache.path=" + bCacheDir)
opts.AddOption("-Djdisc.logger.tag=" + cfgId)
}
func validPercentage(val int) bool {
return val > 0 && val < 100
}
func (a *ApplicationContainer) configureMemory(qc *QrStartConfig) {
jvm_heapsize := qc.Jvm.Heapsize // Heap size (in megabytes) for the Java VM
jvm_minHeapsize := qc.Jvm.MinHeapsize // Min heapsize (in megabytes) for the Java VM
jvm_stacksize := qc.Jvm.Stacksize // Stack size (in kilobytes)
jvm_compressedClassSpaceSize := qc.Jvm.CompressedClassSpaceSize // CompressedOOps size in megabytes
jvm_baseMaxDirectMemorySize := qc.Jvm.BaseMaxDirectMemorySize // Base value of maximum direct memory size (in megabytes)
jvm_directMemorySizeCache := qc.Jvm.DirectMemorySizeCache // Amount of direct memory used for caching. (in megabytes)
jvm_heapSizeAsPercentageOfPhysicalMemory := qc.Jvm.HeapSizeAsPercentageOfPhysicalMemory // Heap size as percentage of available RAM, overrides value above.
if jvm_heapsize <= 0 {
jvm_heapsize = 1536
trace.Trace("using hardcoded value for jvm_heapsize:", jvm_heapsize)
}
if jvm_minHeapsize <= 0 {
jvm_minHeapsize = jvm_heapsize
}
available := getAvailableMemory()
if validPercentage(jvm_heapSizeAsPercentageOfPhysicalMemory) && available.ToMB() > 500 {
available = adjustAvailableMemory(available)
jvm_heapsize = available.ToMB() * jvm_heapSizeAsPercentageOfPhysicalMemory / 100
jvm_minHeapsize = jvm_heapsize
}
if jvm_minHeapsize > jvm_heapsize {
trace.Warning(fmt.Sprintf(
"Misconfigured heap size, jvm_minHeapsize(%d) is larger than jvm_heapsize(%d). It has been capped.",
jvm_minHeapsize, jvm_heapsize))
jvm_minHeapsize = jvm_heapsize
}
if jvm_stacksize <= 0 {
jvm_stacksize = 512
}
if jvm_baseMaxDirectMemorySize <= 0 {
jvm_baseMaxDirectMemorySize = 75
}
if jvm_compressedClassSpaceSize < 0 {
jvm_compressedClassSpaceSize = 32
}
if jvm_directMemorySizeCache < 0 {
jvm_directMemorySizeCache = 0
}
maxDirectMemorySize := jvm_baseMaxDirectMemorySize + (jvm_heapsize / 8) + jvm_directMemorySizeCache
opts := a.jvmOpts
opts.AddOption(fmt.Sprintf("-Xms%dm", jvm_minHeapsize))
opts.AddOption(fmt.Sprintf("-Xmx%dm", jvm_heapsize))
opts.AddOption(fmt.Sprintf("-XX:ThreadStackSize=%d", jvm_stacksize))
opts.AddOption(fmt.Sprintf("-XX:MaxDirectMemorySize=%dm", maxDirectMemorySize))
opts.MaybeAddHugepages(MegaBytesOfMemory(jvm_heapsize))
if jvm_compressedClassSpaceSize > 0 {
opts.AddOption(fmt.Sprintf("-XX:CompressedClassSpaceSize=%dm", jvm_compressedClassSpaceSize))
}
}
func (a *ApplicationContainer) configureGC(qc *QrStartConfig) {
if extra := qc.Jvm.Gcopts; extra != "" {
a.JvmOptions().AddJvmArgsFromString(extra)
}
if qc.Jvm.Verbosegc {
a.JvmOptions().AddOption("-Xlog:gc")
}
}
func (a *ApplicationContainer) configureClasspath(qc *QrStartConfig) {
opts := a.JvmOptions()
if cp := qc.Jdisc.ClasspathExtra; cp != "" {
opts.classPath = append(opts.classPath, cp)
}
}
func (a *ApplicationContainer) configureCPU(qc *QrStartConfig) {
cnt := qc.Jvm.AvailableProcessors
if cnt > 0 {
trace.Trace("CpuCount: using", cnt, "from qr-start config")
}
a.JvmOptions().ConfigureCpuCount(cnt)
}
func (a *ApplicationContainer) configureOptions() {
opts := a.JvmOptions()
opts.AddOption("-Dconfig.id=" + a.ConfigId())
if env := os.Getenv(envvars.VESPA_CONTAINER_JVMARGS); env != "" {
opts.AddJvmArgsFromString(env)
}
qrStartCfg := a.getQrStartCfg()
opts.AddOption("-Djdisc.export.packages=" + qrStartCfg.Jdisc.ExportPackages)
opts.AddCommonXX()
opts.AddCommonOpens()
opts.AddCommonJdkProperties()
a.configureCPU(qrStartCfg)
a.configureMemory(qrStartCfg)
a.configureGC(qrStartCfg)
a.configureClasspath(qrStartCfg)
a.addJdiscProperties()
svcName := a.ServiceName()
if svcName == "container" || svcName == "container-clustercontroller" {
RemoveStaleZkLocks(a)
logsDir := defaults.UnderVespaHome("logs/vespa")
zkLogFile := fmt.Sprintf("%s/zookeeper.%s", logsDir, svcName)
opts.AddOption("-Dzookeeper_log_file_prefix=" + zkLogFile)
}
}
func (c *ApplicationContainer) exportExtraEnv(ps *prog.Spec) {
if c.ConfigId() != "" {
ps.Setenv(envvars.VESPA_CONFIG_ID, c.ConfigId())
} else {
util.JustExitMsg("application container requires a config id")
}
}
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