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blockio.go
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blockio.go
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package blockio
import (
"io/ioutil"
"path/filepath"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"sigs.k8s.io/yaml"
"github.com/intel/goresctrl/pkg/blockio"
)
type Config struct {
enabled bool
config *blockio.Config
}
// New creates a new blockio config instance
func New() *Config {
c := &Config{
config: &blockio.Config{},
}
return c
}
// Enabled returns true if blockio is enabled in the system
func (c *Config) Enabled() bool {
return c.enabled
}
// Load loads and validates blockio config
func (c *Config) Load(path string) error {
c.enabled = false
if path == "" {
logrus.Info("No blockio config file specified, blockio not configured")
return nil
}
data, err := ioutil.ReadFile(filepath.Clean(path))
if err != nil {
return errors.Wrap(err, "reading blockio config file failed")
}
tmpCfg := &blockio.Config{}
if err = yaml.Unmarshal(data, &tmpCfg); err != nil {
return errors.Wrap(err, "parsing blockio config failed")
}
if err := blockio.SetConfig(tmpCfg, true); err != nil {
return errors.Wrap(err, "configuring blockio failed")
}
logrus.Infof("Blockio config successfully loaded from %q", path)
c.config = tmpCfg
c.enabled = true
return nil
}