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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 startcbinary
import (
"os"
"strings"
"github.com/vespa-engine/vespa/client/go/trace"
"github.com/vespa-engine/vespa/client/go/vespa"
)
const (
ENV_LD_PRELOAD = "LD_PRELOAD"
ENV_STD_THREAD_PREVENT_TRY_CATCH = "STD_THREAD_PREVENT_TRY_CATCH"
ENV_GLIBCXX_FORCE_NEW = "GLIBCXX_FORCE_NEW"
ENV_JAVA_HOME = "JAVA_HOME"
ENV_VESPA_AFFINITY_CPU_SOCKET = "VESPA_AFFINITY_CPU_SOCKET"
ENV_VESPA_LOAD_CODE_AS_HUGEPAGES = "VESPA_LOAD_CODE_AS_HUGEPAGES"
ENV_VESPA_MALLOC_HUGEPAGES = "VESPA_MALLOC_HUGEPAGES"
ENV_VESPA_MALLOC_MADVISE_LIMIT = "VESPA_MALLOC_MADVISE_LIMIT"
ENV_VESPA_NO_NUMACTL = "VESPA_NO_NUMACTL"
ENV_VESPA_TIMER_HZ = "VESPA_TIMER_HZ"
ENV_VESPA_USER = "VESPA_USER"
ENV_VESPA_USE_HUGEPAGES = "VESPA_USE_HUGEPAGES"
ENV_VESPA_USE_HUGEPAGES_LIST = "VESPA_USE_HUGEPAGES_LIST"
ENV_VESPA_USE_MADVISE_LIST = "VESPA_USE_MADVISE_LIST"
ENV_VESPA_USE_NO_VESPAMALLOC = "VESPA_USE_NO_VESPAMALLOC"
ENV_VESPA_USE_VALGRIND = "VESPA_USE_VALGRIND"
ENV_VESPA_USE_VESPAMALLOC = "VESPA_USE_VESPAMALLOC"
ENV_VESPA_USE_VESPAMALLOC_D = "VESPA_USE_VESPAMALLOC_D"
ENV_VESPA_USE_VESPAMALLOC_DST = "VESPA_USE_VESPAMALLOC_DST"
ENV_VESPA_VALGRIND_OPT = "VESPA_VALGRIND_OPT"
// backwards compatibility variables:
ENV_HUGEPAGES_LIST = "HUGEPAGES_LIST"
ENV_MADVISE_LIST = "MADVISE_LIST"
ENV_NO_VESPAMALLOC_LIST = "NO_VESPAMALLOC_LIST"
ENV_PATH = "PATH"
ENV_ROOT = "ROOT"
ENV_VESPAMALLOCDST_LIST = "VESPAMALLOCDST_LIST"
ENV_VESPAMALLOCD_LIST = "VESPAMALLOCD_LIST"
ENV_VESPAMALLOC_LIST = "VESPAMALLOCD_LIST"
)
func (spec *ProgSpec) considerFallback(varName, varValue string) {
if spec.getenv(varName) == "" && varValue != "" {
spec.setenv(varName, varValue)
}
}
func (spec *ProgSpec) considerEnvFallback(targetVar, fallbackVar string) {
spec.considerFallback(targetVar, spec.getenv(fallbackVar))
}
func (spec *ProgSpec) configureCommonEnv() {
os.Unsetenv(ENV_LD_PRELOAD)
spec.setenv(ENV_STD_THREAD_PREVENT_TRY_CATCH, "true")
spec.setenv(ENV_GLIBCXX_FORCE_NEW, "1")
// fallback from old env.vars:
spec.considerEnvFallback(ENV_VESPA_USE_HUGEPAGES_LIST, ENV_HUGEPAGES_LIST)
spec.considerEnvFallback(ENV_VESPA_USE_MADVISE_LIST, ENV_MADVISE_LIST)
spec.considerEnvFallback(ENV_VESPA_USE_VESPAMALLOC, ENV_VESPAMALLOC_LIST)
spec.considerEnvFallback(ENV_VESPA_USE_VESPAMALLOC_D, ENV_VESPAMALLOCD_LIST)
spec.considerEnvFallback(ENV_VESPA_USE_VESPAMALLOC_DST, ENV_VESPAMALLOCDST_LIST)
spec.considerEnvFallback(ENV_VESPA_USE_NO_VESPAMALLOC, ENV_NO_VESPAMALLOC_LIST)
// other fallbacks:
spec.considerFallback(ENV_ROOT, vespa.FindHome())
spec.considerFallback(ENV_VESPA_USER, vespa.FindVespaUser())
spec.considerFallback(ENV_VESPA_USE_HUGEPAGES_LIST, "all")
spec.considerFallback(ENV_VESPA_USE_VESPAMALLOC, "all")
spec.considerFallback(ENV_VESPA_USE_NO_VESPAMALLOC, strings.Join([]string{
"vespa-rpc-invoke",
"vespa-get-config",
"vespa-sentinel-cmd",
"vespa-route",
"vespa-proton-cmd",
"vespa-configproxy-cmd",
"vespa-config-status",
}, " "))
}
func (spec *ProgSpec) configureHugePages() {
if spec.matchesListEnv(ENV_VESPA_USE_HUGEPAGES_LIST) {
spec.setenv(ENV_VESPA_USE_HUGEPAGES, "yes")
}
}
func (spec *ProgSpec) configureUseMadvise() {
limit := spec.valueFromListEnv(ENV_VESPA_USE_MADVISE_LIST)
if limit != "" {
trace.Trace("shall use madvise with limit", limit, "as set in", ENV_VESPA_USE_MADVISE_LIST)
spec.setenv(ENV_VESPA_MALLOC_MADVISE_LIMIT, limit)
return
}
}
func (spec *ProgSpec) configurePath() {
// Prefer newer gdb and pstack:
spec.prependPath("/opt/rh/gcc-toolset-11/root/usr/bin")
// Maven is needed for tester applications:
spec.prependPath(vespa.FindHome() + "/local/maven/bin")
spec.prependPath(vespa.FindHome() + "/bin64")
spec.prependPath(vespa.FindHome() + "/bin")
// how to find the "java" program?
// should be available in $VESPA_HOME/bin or JAVA_HOME
if javaHome := spec.getenv(ENV_JAVA_HOME); javaHome != "" {
spec.prependPath(javaHome + "/bin")
}
}
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