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cmd/utils: renames flags related to http-rpc server (#20935)

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* rpc flags related to starting http server renamed to http

* old rpc flags aliased and still functional

* pprof flags fixed

* renames gpo related flags

* linted

* renamed rpc flags for consistency and clarity

* added warn logs

* added more warn logs for all deprecated flags for consistency

* moves legacy flags to separate file, hides older flags under show-deprecated-flags command

* legacy prefix and moved some more legacy flags to legacy file

* fixed circular import

* added docs

* fixed imports lint error

* added notes about when flags were deprecated

* cmd/utils: group flags by deprecation date + reorder by date,

* modified deprecated comments for consistency, added warn log for --rpc

* making sure deprecated flags are still functional

* show-deprecated-flags command cleaned up

* fixed lint errors

* corrected merge conflict

* IsSet --> GlobalIsSet

* uncategorized flags, if not deprecated, displayed under misc

Co-authored-by: Martin Holst Swende <martin@swende.se>
This commit is contained in:
rene
2020-05-05 10:19:17 +02:00
committed by GitHub
parent 587656619d
commit c989bca173
7 changed files with 420 additions and 143 deletions
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74
internal/debug/flags.go
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@ -60,39 +60,68 @@ var (
Usage: "Enable the pprof HTTP server",
}
pprofPortFlag = cli.IntFlag{
Name: "pprofport",
Name: "pprof.port",
Usage: "pprof HTTP server listening port",
Value: 6060,
}
pprofAddrFlag = cli.StringFlag{
Name: "pprofaddr",
Name: "pprof.addr",
Usage: "pprof HTTP server listening interface",
Value: "127.0.0.1",
}
memprofilerateFlag = cli.IntFlag{
Name: "memprofilerate",
Name: "pprof.memprofilerate",
Usage: "Turn on memory profiling with the given rate",
Value: runtime.MemProfileRate,
}
blockprofilerateFlag = cli.IntFlag{
Name: "blockprofilerate",
Name: "pprof.blockprofilerate",
Usage: "Turn on block profiling with the given rate",
}
cpuprofileFlag = cli.StringFlag{
Name: "cpuprofile",
Name: "pprof.cpuprofile",
Usage: "Write CPU profile to the given file",
}
traceFlag = cli.StringFlag{
Name: "trace",
Usage: "Write execution trace to the given file",
}
// (Deprecated April 2020)
legacyPprofPortFlag = cli.IntFlag{
Name: "pprofport",
Usage: "pprof HTTP server listening port (deprecated, use --pprof.port)",
Value: 6060,
}
legacyPprofAddrFlag = cli.StringFlag{
Name: "pprofaddr",
Usage: "pprof HTTP server listening interface (deprecated, use --pprof.addr)",
Value: "127.0.0.1",
}
legacyMemprofilerateFlag = cli.IntFlag{
Name: "memprofilerate",
Usage: "Turn on memory profiling with the given rate (deprecated, use --pprof.memprofilerate)",
Value: runtime.MemProfileRate,
}
legacyBlockprofilerateFlag = cli.IntFlag{
Name: "blockprofilerate",
Usage: "Turn on block profiling with the given rate (deprecated, use --pprof.blockprofilerate)",
}
legacyCpuprofileFlag = cli.StringFlag{
Name: "cpuprofile",
Usage: "Write CPU profile to the given file (deprecated, use --pprof.cpuprofile)",
}
)
// Flags holds all command-line flags required for debugging.
var Flags = []cli.Flag{
verbosityFlag, vmoduleFlag, backtraceAtFlag, debugFlag,
pprofFlag, pprofAddrFlag, pprofPortFlag,
memprofilerateFlag, blockprofilerateFlag, cpuprofileFlag, traceFlag,
pprofFlag, pprofAddrFlag, pprofPortFlag, memprofilerateFlag,
blockprofilerateFlag, cpuprofileFlag, traceFlag,
}
var DeprecatedFlags = []cli.Flag{
legacyPprofPortFlag, legacyPprofAddrFlag, legacyMemprofilerateFlag,
legacyBlockprofilerateFlag, legacyCpuprofileFlag,
}
var (
@ -121,22 +150,51 @@ func Setup(ctx *cli.Context) error {
log.Root().SetHandler(glogger)
// profiling, tracing
if ctx.GlobalIsSet(legacyMemprofilerateFlag.Name) {
runtime.MemProfileRate = ctx.GlobalInt(legacyMemprofilerateFlag.Name)
log.Warn("The flag --memprofilerate is deprecated and will be removed in the future, please use --pprof.memprofilerate")
}
runtime.MemProfileRate = ctx.GlobalInt(memprofilerateFlag.Name)
if ctx.GlobalIsSet(legacyBlockprofilerateFlag.Name) {
Handler.SetBlockProfileRate(ctx.GlobalInt(legacyBlockprofilerateFlag.Name))
log.Warn("The flag --blockprofilerate is deprecated and will be removed in the future, please use --pprof.blockprofilerate")
}
Handler.SetBlockProfileRate(ctx.GlobalInt(blockprofilerateFlag.Name))
if traceFile := ctx.GlobalString(traceFlag.Name); traceFile != "" {
if err := Handler.StartGoTrace(traceFile); err != nil {
return err
}
}
if cpuFile := ctx.GlobalString(cpuprofileFlag.Name); cpuFile != "" {
if err := Handler.StartCPUProfile(cpuFile); err != nil {
return err
}
}
if cpuFile := ctx.GlobalString(legacyCpuprofileFlag.Name); cpuFile != "" {
log.Warn("The flag --cpuprofile is deprecated and will be removed in the future, please use --pprof.cpuprofile")
if err := Handler.StartCPUProfile(cpuFile); err != nil {
return err
}
}
// pprof server
if ctx.GlobalBool(pprofFlag.Name) {
address := fmt.Sprintf("%s:%d", ctx.GlobalString(pprofAddrFlag.Name), ctx.GlobalInt(pprofPortFlag.Name))
listenHost := ctx.GlobalString(pprofAddrFlag.Name)
if ctx.GlobalIsSet(legacyPprofAddrFlag.Name) && !ctx.GlobalIsSet(pprofAddrFlag.Name) {
listenHost = ctx.GlobalString(legacyPprofAddrFlag.Name)
log.Warn("The flag --pprofaddr is deprecated and will be removed in the future, please use --pprof.addr")
}
port := ctx.GlobalInt(pprofPortFlag.Name)
if ctx.GlobalIsSet(legacyPprofPortFlag.Name) && !ctx.GlobalIsSet(pprofPortFlag.Name) {
port = ctx.GlobalInt(legacyPprofPortFlag.Name)
log.Warn("The flag --pprofport is deprecated and will be removed in the future, please use --pprof.port")
}
address := fmt.Sprintf("%s:%d", listenHost, port)
StartPProf(address)
}
return nil