func PolicyToEvaluate()

in api/helpers.go [157:198]

• 41 lines of code
• 10 McCabe index (conditional complexity)

func PolicyToEvaluate(labels map[string]string, defaults Policy) (Policy, field.ErrorList) {
	var (
		err  error
		errs field.ErrorList

		p = defaults
	)
	if len(labels) == 0 {
		return p, nil
	}
	if level, ok := labels[EnforceLevelLabel]; ok {
		p.Enforce.Level, err = ParseLevel(level)
		errs = appendErr(errs, err, EnforceLevelLabel, level)
	}
	if version, ok := labels[EnforceVersionLabel]; ok {
		p.Enforce.Version, err = ParseVersion(version)
		errs = appendErr(errs, err, EnforceVersionLabel, version)
	}
	if level, ok := labels[AuditLevelLabel]; ok {
		p.Audit.Level, err = ParseLevel(level)
		errs = appendErr(errs, err, AuditLevelLabel, level)
		if err != nil {
			p.Audit.Level = LevelPrivileged // Fail open for audit.
		}
	}
	if version, ok := labels[AuditVersionLabel]; ok {
		p.Audit.Version, err = ParseVersion(version)
		errs = appendErr(errs, err, AuditVersionLabel, version)
	}
	if level, ok := labels[WarnLevelLabel]; ok {
		p.Warn.Level, err = ParseLevel(level)
		errs = appendErr(errs, err, WarnLevelLabel, level)
		if err != nil {
			p.Warn.Level = LevelPrivileged // Fail open for warn.
		}
	}
	if version, ok := labels[WarnVersionLabel]; ok {
		p.Warn.Version, err = ParseVersion(version)
		errs = appendErr(errs, err, WarnVersionLabel, version)
	}
	return p, errs
}