Example #1
0
// SetConfig implements SetConfig function of the Service interface.
// Returns an error if cannot connect to the data store
func (topology *TopologySvc) SetConfig(config common.ServiceConfig) error {
	topology.config = config
	dcMap := config.ServiceSpecific["datacenter"].(map[string]interface{})
	dc := common.Datacenter{}
	dc.IpVersion = uint(dcMap["ip_version"].(float64))
	if dc.IpVersion != 4 {
		return common.NewError("Only IPv4 is currently supported.")
	}
	dc.Cidr = dcMap["cidr"].(string)
	_, ipNet, err := net.ParseCIDR(dc.Cidr)
	if err != nil {
		return err
	}
	prefixBits, _ := ipNet.Mask.Size()
	dc.PrefixBits = uint(prefixBits)

	dc.PortBits = uint(dcMap["host_bits"].(float64))
	dc.TenantBits = uint(dcMap["tenant_bits"].(float64))
	dc.SegmentBits = uint(dcMap["segment_bits"].(float64))
	dc.EndpointBits = uint(dcMap["endpoint_bits"].(float64))
	dc.EndpointSpaceBits = uint(dcMap["endpoint_space_bits"].(float64))
	if dc.EndpointBits == 0 {
		return common.NewError("Endpoint bits may not be 0")
	}
	bitSum := dc.PrefixBits + dc.PortBits + dc.TenantBits + dc.SegmentBits + dc.EndpointBits + dc.EndpointSpaceBits
	if bitSum != 32 {
		bitSumStr := fmt.Sprintf("%s+%d+%d+%d+%d+%d", dc.Cidr, dc.PortBits, dc.TenantBits, dc.SegmentBits, dc.EndpointBits, dc.EndpointSpaceBits)
		return common.NewError("Sum of prefix, port, tenant, segment, endpoint and endpoint space bits must be exactly 32, but it is %s=%d", bitSumStr, bitSum)
	}

	// TODO this should have worked but it doesn't...
	//	err := mapstructure.Decode(dcMap, &dc)
	//	if err != nil {
	//		return err
	//	}
	log.Printf("Datacenter information: was %s, decoded to %+v\n", dcMap, dc)
	topology.datacenter = &dc
	storeConfig := config.ServiceSpecific["store"].(map[string]interface{})
	topology.store = topoStore{}
	topology.store.ServiceStore = &topology.store
	return topology.store.SetConfig(storeConfig)
}
Example #2
0
// SetConfig implements SetConfig function of the Service interface.
// Returns an error if cannot connect to the data store
func (topology *TopologySvc) SetConfig(config common.ServiceConfig) error {
	log.Println(config)
	topology.config = config
	dcMap := config.ServiceSpecific["datacenter"].(map[string]interface{})
	dc := common.Datacenter{}
	dc.IpVersion = uint(dcMap["ip_version"].(float64))
	dc.Cidr = dcMap["cidr"].(string)
	_, ipNet, err := net.ParseCIDR(dc.Cidr)
	if err != nil {
		return err
	}
	prefixBits, _ := ipNet.Mask.Size()
	dc.PrefixBits = uint(prefixBits)

	dc.PortBits = uint(dcMap["host_bits"].(float64))
	dc.TenantBits = uint(dcMap["tenant_bits"].(float64))
	dc.SegmentBits = uint(dcMap["segment_bits"].(float64))
	dc.EndpointBits = uint(dcMap["endpoint_bits"].(float64))
	dc.EndpointSpaceBits = uint(dcMap["endpoint_space_bits"].(float64))
	// TODO this should have worked but it doesn't...
	//	err := mapstructure.Decode(dcMap, &dc)
	//	if err != nil {
	//		return err
	//	}
	log.Printf("Datacenter information: was %s, decoded to %s\n", dcMap, dc)
	topology.datacenter = &dc
	storeConfig := config.ServiceSpecific["store"].(map[string]interface{})
	storeType := strings.ToLower(storeConfig["type"].(string))
	switch storeType {
	case "mysql":
		topology.store = &mysqlStore{}

	case "mock":
		topology.store = &mockStore{}

	default:
		return errors.New("Unknown store type: " + storeType)
	}
	return topology.store.setConfig(storeConfig)
}