crowdsec/pkg/csconfig/simulation.go

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package csconfig
import (
"bytes"
"errors"
"fmt"
"io"
"path/filepath"
"gopkg.in/yaml.v3"
"github.com/crowdsecurity/go-cs-lib/yamlpatch"
)
type SimulationConfig struct {
Simulation *bool `yaml:"simulation"`
Exclusions []string `yaml:"exclusions,omitempty"`
}
func (s *SimulationConfig) IsSimulated(scenario string) bool {
var simulated bool
if s.Simulation != nil && *s.Simulation {
simulated = true
}
for _, excluded := range s.Exclusions {
if excluded == scenario {
simulated = !simulated
break
}
}
return simulated
}
func (c *Config) LoadSimulation() error {
simCfg := SimulationConfig{}
if c.ConfigPaths.SimulationFilePath == "" {
c.ConfigPaths.SimulationFilePath = filepath.Clean(c.ConfigPaths.ConfigDir + "/simulation.yaml")
}
patcher := yamlpatch.NewPatcher(c.ConfigPaths.SimulationFilePath, ".local")
rcfg, err := patcher.MergedPatchContent()
if err != nil {
return err
}
dec := yaml.NewDecoder(bytes.NewReader(rcfg))
dec.KnownFields(true)
if err := dec.Decode(&simCfg); err != nil {
if !errors.Is(err, io.EOF) {
return fmt.Errorf("while unmarshaling simulation file '%s': %w", c.ConfigPaths.SimulationFilePath, err)
}
}
if simCfg.Simulation == nil {
simCfg.Simulation = new(bool)
}
if c.Crowdsec != nil {
c.Crowdsec.SimulationConfig = &simCfg
}
if c.Cscli != nil {
c.Cscli.SimulationConfig = &simCfg
}
return nil
}