// mockAgent creates the agent with the configuration
// needed for tests without the need to go through
// configuration files.
func mockAgent() Agent {
host0 := common.HostMessage{Ip: "172.17.0.1", RomanaIp: "127.0.0.1/8"}
romanaIP, romanaNet, _ := net.ParseCIDR(host0.RomanaIp)
networkConfig := &NetworkConfig{}
networkConfig.currentHostIP = net.ParseIP(host0.Ip)
networkConfig.currentHostGW = romanaIP
networkConfig.currentHostGWNet = *romanaNet
networkConfig.currentHostGWNetSize, _ = romanaNet.Mask.Size()
networkConfig.currentHostIndex = 0
host1 := common.HostMessage{Ip: "192.168.0.12", RomanaIp: "10.65.0.0/16"}
networkConfig.hosts = []common.HostMessage{host0, host1}
dc := common.Datacenter{}
dc.Cidr = "10.0.0.0/8"
dc.PortBits = 8
dc.TenantBits = 4
dc.SegmentBits = 4
dc.EndpointSpaceBits = 0
dc.EndpointBits = 8
networkConfig.dc = dc
agent := &Agent{networkConfig: networkConfig}
helper := NewAgentHelper(agent)
agent.Helper = &helper
return *agent
}
// 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)
}
// 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)
}
// mockAgent creates the agent with the configuration
// needed for tests without the need to go through
// configuration files.
func mockAgent() Agent {
host0 := common.Host{Ip: "172.17.0.1", RomanaIp: "127.0.0.1/8"}
// romanaIP, romanaNet, _ := net.ParseCIDR(host0.RomanaIp)
networkConfig := &NetworkConfig{}
networkConfig.romanaGW = net.ParseIP(host0.Ip)
host1 := common.Host{Ip: "192.168.0.12", RomanaIp: "10.65.0.0/16"}
networkConfig.otherHosts = []common.Host{host1}
dc := common.Datacenter{}
dc.Cidr = "10.0.0.0/8"
dc.PortBits = 8
dc.TenantBits = 4
dc.SegmentBits = 4
dc.EndpointSpaceBits = 0
dc.EndpointBits = 8
networkConfig.dc = dc
agent := &Agent{networkConfig: networkConfig}
helper := NewAgentHelper(agent)
agent.Helper = &helper
storeConfig := common.ServiceConfig{ServiceSpecific: map[string]interface{}{
"type": "sqlite3",
"database": "/tmp/agent.db"}}
agent.store = agentStore{}
agent.store.ServiceStore = &agent.store
agent.store.SetConfig(storeConfig.ServiceSpecific)
agent.CreateSchema(true) // overwrite
return *agent
}
func (s *MySuite) TestStore(c *check.C) {
var err error
store := ipamStore{}
store.ServiceStore = &store
storeConfig := make(map[string]interface{})
storeConfig["type"] = "sqlite3"
storeConfig["database"] = s.RomanaTestSuite.GetMockSqliteFile("ipam")
err = store.SetConfig(storeConfig)
c.Assert(err, check.IsNil)
cidr := "10.0.0.0/8"
ip, _, _ := net.ParseCIDR(cidr)
dc := common.Datacenter{Cidr: cidr, IpVersion: 4, Prefix: common.IPv4ToInt(ip), PrefixBits: 8, PortBits: 8, TenantBits: 4, SegmentBits: 4}
_, network, _ := net.ParseCIDR("10.1.0.0/16")
hostIpInt := common.IPv4ToInt(network.IP)
segmentBitShift := uint64(8)
tenantBitShift := uint64(segmentBitShift + 4)
upToEndpointIpInt := hostIpInt | (1 << tenantBitShift) | (1 << segmentBitShift)
// 253
// 127
// 63
// 31
for _, stride := range []uint{0, 1, 2, 4} {
// for _, stride := range []uint{0} {
err = store.CreateSchema(true)
if err != nil {
panic(err)
}
err = store.Connect()
if err != nil {
panic(err)
}
dc.EndpointSpaceBits = stride
dc.EndpointBits = 8 - stride
endpoint := &Endpoint{Id: 0, EffectiveNetworkID: 0, HostId: "X", SegmentID: "X", TenantID: "X"}
i := uint(1)
firstIp := ""
var upperBound uint
switch stride {
case 0:
upperBound = 253
case 1:
upperBound = 127
case 2:
upperBound = 64
case 4:
upperBound = 16
}
log.Printf("For %d/%d go until 1= %d", dc.EndpointBits, stride, upperBound)
for i = 1; i <= uint(upperBound); i++ {
endpoint.Id = 0
msg := fmt.Sprintf("For stride %d, endpoint bits %d, try %d\n", stride, dc.EndpointBits, i)
log.Println(msg)
err = store.addEndpoint(endpoint, upToEndpointIpInt, dc)
if err != nil {
c.Error(fmt.Sprintf("Unexpected error on try %d: %v", i, err))
c.FailNow()
}
log.Printf("%s: Got IP: %s (effective network ID %d)", msg, endpoint.Ip, endpoint.EffectiveNetworkID)
if firstIp == "" {
firstIp = endpoint.Ip
}
}
// Here we have reached the end...
endpoint.Id = 0
err = store.addEndpoint(endpoint, upToEndpointIpInt, dc)
if err == nil {
c.Error(fmt.Sprintf("Expected error, but got %+v", endpoint))
c.FailNow()
}
endpoint.Id = 0
_, err = store.deleteEndpoint(firstIp)
if err != nil {
c.Error(fmt.Sprintf("Unexpected error on try %d: %v", i, err))
c.FailNow()
}
endpoint.Id = 0
err = store.addEndpoint(endpoint, upToEndpointIpInt, dc)
if err != nil {
c.Error(fmt.Sprintf("Unexpected error on try %d: %v", i, err))
c.Fail()
}
c.Assert(endpoint.Ip, check.Equals, firstIp)
if c.Failed() {
return
}
endpoint.Id = 0
err = store.addEndpoint(endpoint, upToEndpointIpInt, dc)
if err == nil {
c.Error(fmt.Sprintf("Expected error, but got %+v", endpoint))
c.FailNow()
}
}
}