buildinfo.go

// BuildInfo represents a response for the buildInfo command.
type BuildInfo struct {
	Version        string
	VersionArray   []int  `bson:"versionArray"` // On MongoDB 2.0+; assembled from Version otherwise
	GitVersion     string `bson:"gitVersion"`
	OpenSSLVersion string `bson:"OpenSSLVersion"`
	SysInfo        string `bson:"sysInfo"` // Deprecated and empty on MongoDB 3.2+.
	Bits           int
	Debug          bool
	MaxObjectSize  int `bson:"maxBsonObjectSize"`
}

// VersionAtLeast returns whether the BuildInfo version is greater than or
// equal to the provided version number. If more than one number is
// provided, numbers will be considered as major, minor, and so on.
func (bi *BuildInfo) VersionAtLeast(version ...int) bool {
	for i, vi := range version {
		if i == len(bi.VersionArray) {
			return false
		}
		if bivi := bi.VersionArray[i]; bivi != vi {
			return bivi >= vi
		}
	}
	return true
}