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ofnet_test.go: write some loops as functions #86

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ofnet_test.go: write some loops as functions #86

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204 changes: 74 additions & 130 deletions ofnet_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,66 @@ var hostBridges [NUM_HOST_BRIDGE]*HostBridge

var localIpList []string

func createAgents(numAgents, rpcPortStart, ovsPortStart int, agentType string) {
var dpName = agentType

if agentType == "vrtr" {
dpName = "vrouter"
}

for i := 0; i < numAgents; i++ {
brName := fmt.Sprintf("%vBridge%v", agentType, i)
rpcPort := uint16(rpcPortStart + i)
ovsPort := uint16(ovsPortStart + i)
localIP := net.ParseIP(localIpList[i])

agent, err := NewOfnetAgent(brName, dpName, localIP, rpcPort, ovsPort, nil)
if err != nil {
log.Fatalf("failed to create %v ofnet agent: %v", agentType, err)
}

agent.MyAddr = "127.0.0.1"

switch agentType {
case "vlan":
vlanAgents[i] = agent
case "vxlan":
vxlanAgents[i] = agent
case "vrtr":
vrtrAgents[i] = agent
}
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I'd add a default case here which panics/logs a fatal error just to be pedantic


log.Infof("created %v ofnet agent: %v", agentType, agent)
}
}

func createSwitches(numAgents, ovsPortStart, ovsDriversOffset int, brPrefix string) {
errControllerAdd := "failed to add controller to OVs, brname %s: %v"
for i := 0; i < numAgents; i++ {
brName := fmt.Sprintf("%vBridge%v", brPrefix, i)
ovsPort := uint16(ovsPortStart + i)
j := ovsDriversOffset + i
ovsDrivers[j] = ovsdbDriver.NewOvsDriver(brName)
err := ovsDrivers[j].AddController("127.0.0.1", ovsPort)
if err != nil {
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Error check can be inline

log.Fatalf(errControllerAdd, brName, err)
}
}
}

func deleteBridges(numAgents, ovsDriversOffset int, brPrefix string) {
errDeletingBridge := "failed to delete bridge %v: %v"
for i := 0; i < numAgents; i++ {
brName := fmt.Sprintf("%vBridge%v", brPrefix, i)
log.Infof("deleting OVS bridge: %s", brName)
err := ovsDrivers[ovsDriversOffset+i].DeleteBridge(brName)
if err != nil {
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Error check can be inline

log.Fatalf(errDeletingBridge, brName, err)
}
}

}

// Create couple of ofnet masters and few agents
func TestMain(m *testing.M) {
var err error
Expand Down Expand Up @@ -103,55 +163,9 @@ func TestMain(m *testing.M) {
time.Sleep(1 * time.Second)

// Create agents
for i := 0; i < NUM_AGENT; i++ {
brName := "vrtrBridge" + fmt.Sprintf("%d", i)
rpcPort := uint16(VRTR_RPC_PORT + i)
ovsPort := uint16(VRTR_OVS_PORT + i)
lclIp := net.ParseIP(localIpList[i])
vrtrAgents[i], err = NewOfnetAgent(brName, "vrouter", lclIp, rpcPort, ovsPort, nil)
if err != nil {
log.Fatalf("Error creating ofnet agent. Err: %v", err)
}

// Override MyAddr to local host
vrtrAgents[i].MyAddr = "127.0.0.1"

log.Infof("Created vrouter ofnet agent: %v", vrtrAgents[i])
}

for i := 0; i < NUM_AGENT; i++ {
brName := "vxlanBridge" + fmt.Sprintf("%d", i)
rpcPort := uint16(VXLAN_RPC_PORT + i)
ovsPort := uint16(VXLAN_OVS_PORT + i)
lclIp := net.ParseIP(localIpList[i])

vxlanAgents[i], err = NewOfnetAgent(brName, "vxlan", lclIp, rpcPort, ovsPort, nil)
if err != nil {
log.Fatalf("Error creating ofnet agent. Err: %v", err)
}

// Override MyAddr to local host
vxlanAgents[i].MyAddr = "127.0.0.1"

log.Infof("Created vxlan ofnet agent: %v", vxlanAgents[i])
}

for i := 0; i < NUM_AGENT; i++ {
brName := "vlanBridge" + fmt.Sprintf("%d", i)
rpcPort := uint16(VLAN_RPC_PORT + i)
ovsPort := uint16(VLAN_OVS_PORT + i)
lclIp := net.ParseIP(localIpList[i])

vlanAgents[i], err = NewOfnetAgent(brName, "vlan", lclIp, rpcPort, ovsPort, nil)
if err != nil {
log.Fatalf("Error creating ofnet agent. Err: %v", err)
}

// Override MyAddr to local host
vlanAgents[i].MyAddr = "127.0.0.1"

log.Infof("Created vlan ofnet agent: %v", vlanAgents[i])
}
createAgents(NUM_AGENT, VRTR_RPC_PORT, VRTR_OVS_PORT, "vrtr")
createAgents(NUM_AGENT, VXLAN_RPC_PORT, VXLAN_OVS_PORT, "vxlan")
createAgents(NUM_AGENT, VLAN_RPC_PORT, VLAN_OVS_PORT, "vlan")

for i := 0; i < NUM_VLRTR_AGENT; i++ {
brName := "vlrtrBridge" + fmt.Sprintf("%d", i)
Expand Down Expand Up @@ -262,62 +276,19 @@ func TestMain(m *testing.M) {
log.Infof("Made dummy rpc call to all agents")

// Create OVS switches and connect them to vrouter ofnet agents
for i := 0; i < NUM_AGENT; i++ {
brName := "vrtrBridge" + fmt.Sprintf("%d", i)
ovsPort := uint16(VRTR_OVS_PORT + i)
ovsDrivers[i] = ovsdbDriver.NewOvsDriver(brName)
err := ovsDrivers[i].AddController("127.0.0.1", ovsPort)
if err != nil {
log.Fatalf("Error adding controller to ovs: %s", brName)
}
}
createSwitches(NUM_AGENT, VRTR_OVS_PORT, 0, "vrtr")

// Create OVS switches and connect them to vxlan ofnet agents
for i := 0; i < NUM_AGENT; i++ {
brName := "vxlanBridge" + fmt.Sprintf("%d", i)
ovsPort := uint16(VXLAN_OVS_PORT + i)
j := NUM_AGENT + i
ovsDrivers[j] = ovsdbDriver.NewOvsDriver(brName)
err := ovsDrivers[j].AddController("127.0.0.1", ovsPort)
if err != nil {
log.Fatalf("Error adding controller to ovs: %s", brName)
}
}
createSwitches(NUM_AGENT, VXLAN_OVS_PORT, NUM_AGENT, "vxlan")

// Create OVS switches and connect them to vlan ofnet agents
for i := 0; i < NUM_AGENT; i++ {
brName := "vlanBridge" + fmt.Sprintf("%d", i)
ovsPort := uint16(VLAN_OVS_PORT + i)
j := (2 * NUM_AGENT) + i
ovsDrivers[j] = ovsdbDriver.NewOvsDriver(brName)
err := ovsDrivers[j].AddController("127.0.0.1", ovsPort)
if err != nil {
log.Fatalf("Error adding controller to ovs: %s", brName)
}
}
createSwitches(NUM_AGENT, VLAN_OVS_PORT, 2*NUM_AGENT, "vlan")

// Create OVS switches and connect them to vxlan ofnet agents
for i := 0; i < NUM_VLRTR_AGENT; i++ {
brName := "vlrtrBridge" + fmt.Sprintf("%d", i)
ovsPort := uint16(VLRTR_OVS_PORT + i)
j := (3 * NUM_AGENT) + i
ovsDrivers[j] = ovsdbDriver.NewOvsDriver(brName)
err := ovsDrivers[j].AddController("127.0.0.1", ovsPort)
if err != nil {
log.Fatalf("Error adding controller to ovs: %s", brName)
}
}
createSwitches(NUM_VLRTR_AGENT, VLRTR_OVS_PORT, 3*NUM_AGENT, "vlrtr")

// Create OVS switches and connect them to hostbridge agents
for i := 0; i < NUM_HOST_BRIDGE; i++ {
brName := "hostBridge" + fmt.Sprintf("%d", i)
ovsPort := uint16(HB_OVS_PORT + i)
j := HB_AGENT_INDEX + i
ovsDrivers[j] = ovsdbDriver.NewOvsDriver(brName)
err := ovsDrivers[j].AddController("127.0.0.1", ovsPort)
if err != nil {
log.Fatalf("Error adding controller to ovs: %s", brName)
}
}
createSwitches(NUM_HOST_BRIDGE, HB_OVS_PORT, HB_AGENT_INDEX, "host")

// Wait for 20sec for switch to connect to controller
time.Sleep(10 * time.Second)
Expand Down Expand Up @@ -443,38 +414,11 @@ func waitAndCleanup() {
hostBridges[i].Delete()
}

for i := 0; i < NUM_AGENT; i++ {
brName := "vrtrBridge" + fmt.Sprintf("%d", i)
log.Infof("Deleting OVS bridge: %s", brName)
err := ovsDrivers[i].DeleteBridge(brName)
if err != nil {
log.Fatalf("Error deleting the bridge. Err: %v", err)
}
}
for i := 0; i < NUM_AGENT; i++ {
brName := "vxlanBridge" + fmt.Sprintf("%d", i)
log.Infof("Deleting OVS bridge: %s", brName)
err := ovsDrivers[NUM_AGENT+i].DeleteBridge(brName)
if err != nil {
log.Fatalf("Error deleting the bridge. Err: %v", err)
}
}
for i := 0; i < NUM_AGENT; i++ {
brName := "vlanBridge" + fmt.Sprintf("%d", i)
log.Infof("Deleting OVS bridge: %s", brName)
err := ovsDrivers[(2*NUM_AGENT)+i].DeleteBridge(brName)
if err != nil {
log.Fatalf("Error deleting the bridge. Err: %v", err)
}
}
for i := 0; i < NUM_VLRTR_AGENT; i++ {
brName := "vlrtrBridge" + fmt.Sprintf("%d", i)
log.Infof("Deleting OVS bridge: %s", brName)
err := ovsDrivers[(3*NUM_AGENT)+i].DeleteBridge(brName)
if err != nil {
log.Fatalf("Error deleting the bridge. Err: %v", err)
}
}
deleteBridges(NUM_AGENT, 0, "vrtr")
deleteBridges(NUM_AGENT, NUM_AGENT, "vxlan")
deleteBridges(NUM_AGENT, 2*NUM_AGENT, "vlan")
deleteBridges(NUM_VLRTR_AGENT, 3*NUM_AGENT, "vlrtr")

for i := 0; i < NUM_HOST_BRIDGE; i++ {
brName := "hostBridge" + fmt.Sprintf("%d", i)
log.Infof("Deleting OVS bridge: %s", brName)
Expand Down