laconicd/rpc/ethereum/namespaces/debug/utils.go
Daniel Burckhardt 2d8be4e85b
fix: gosec issues (#779)
* remove gosec warnigs with medium severity

* Improvement(Ethermint): Fix gosec vulnerabilities

* Improvement(Evmos): address pr comments

* Improvement(Ethermint): Fix flags test by using PersistentFlags() instead of Flags()

* Improvement(Ethermint): Fix return of defer function

* Improvement(Ethermint): Replace PersistentFlags with Flags

* Apply suggestions from code review

* Improvement(Ethermint): Use persisentFlags again and remove required attribute for chain id

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
2021-11-25 15:12:57 +00:00

61 lines
1.4 KiB
Go

package debug
import (
"os"
"os/user"
"path/filepath"
"runtime/pprof"
"strings"
"github.com/cosmos/cosmos-sdk/server"
"github.com/tendermint/tendermint/libs/log"
)
// isCPUProfileConfigurationActivated checks if cpuprofile was configured via flag
func isCPUProfileConfigurationActivated(ctx *server.Context) bool {
// TODO: use same constants as server/start.go
// constant declared in start.go cannot be imported (cyclical dependency)
const flagCPUProfile = "cpu-profile"
if cpuProfile := ctx.Viper.GetString(flagCPUProfile); cpuProfile != "" {
return true
}
return false
}
// ExpandHome expands home directory in file paths.
// ~someuser/tmp will not be expanded.
func ExpandHome(p string) (string, error) {
if strings.HasPrefix(p, "~/") || strings.HasPrefix(p, "~\\") {
usr, err := user.Current()
if err != nil {
return p, err
}
home := usr.HomeDir
p = home + p[1:]
}
return filepath.Clean(p), nil
}
// writeProfile writes the data to a file
func writeProfile(name, file string, log log.Logger) error {
p := pprof.Lookup(name)
log.Info("Writing profile records", "count", p.Count(), "type", name, "dump", file)
fp, err := ExpandHome(file)
if err != nil {
return err
}
f, err := os.Create(fp)
if err != nil {
return err
}
if err := p.WriteTo(f, 0); err != nil {
if err := f.Close(); err != nil {
return err
}
return err
}
return f.Close()
}