consul/agent/consul/federation_state_replicatio...

155 lines
4.2 KiB
Go

package consul
import (
"fmt"
"os"
"testing"
"time"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/sdk/testutil/retry"
"github.com/hashicorp/consul/testrpc"
"github.com/stretchr/testify/require"
)
func TestReplication_FederationStates(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
dir1, s1 := testServerWithConfig(t, func(c *Config) {
c.PrimaryDatacenter = "dc1"
c.DisableFederationStateAntiEntropy = true
})
defer os.RemoveAll(dir1)
defer s1.Shutdown()
testrpc.WaitForLeader(t, s1.RPC, "dc1")
client := rpcClient(t, s1)
defer client.Close()
dir2, s2 := testServerWithConfig(t, func(c *Config) {
c.Datacenter = "dc2"
c.PrimaryDatacenter = "dc1"
c.FederationStateReplicationRate = 100
c.FederationStateReplicationBurst = 100
c.FederationStateReplicationApplyLimit = 1000000
c.DisableFederationStateAntiEntropy = true
})
testrpc.WaitForLeader(t, s2.RPC, "dc2")
defer os.RemoveAll(dir2)
defer s2.Shutdown()
// Try to join.
joinWAN(t, s2, s1)
testrpc.WaitForLeader(t, s1.RPC, "dc1")
testrpc.WaitForLeader(t, s1.RPC, "dc2")
// Create some new federation states (weird because we're having dc1 update it for the other 50)
var fedStateDCs []string
for i := 0; i < 50; i++ {
dc := fmt.Sprintf("alt-dc%d", i+1)
ip1 := fmt.Sprintf("1.2.3.%d", i+1)
ip2 := fmt.Sprintf("4.3.2.%d", i+1)
arg := structs.FederationStateRequest{
Datacenter: "dc1",
Op: structs.FederationStateUpsert,
State: &structs.FederationState{
Datacenter: dc,
MeshGateways: []structs.CheckServiceNode{
newTestMeshGatewayNode(
dc, "gateway1", ip1, 443, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing,
),
newTestMeshGatewayNode(
dc, "gateway2", ip2, 443, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing,
),
},
UpdatedAt: time.Now().UTC(),
},
}
out := false
require.NoError(t, s1.RPC("FederationState.Apply", &arg, &out))
fedStateDCs = append(fedStateDCs, dc)
}
checkSame := func(t *retry.R) error {
_, remote, err := s1.fsm.State().FederationStateList(nil)
require.NoError(t, err)
_, local, err := s2.fsm.State().FederationStateList(nil)
require.NoError(t, err)
require.Len(t, local, len(remote))
for i := range remote {
// Make lightweight copies so we can zero out the raft fields
// without mutating the copies in memdb.
remoteCopy := *remote[i]
localCopy := *local[i]
// zero out the raft data for future comparisons
remoteCopy.RaftIndex = structs.RaftIndex{}
localCopy.RaftIndex = structs.RaftIndex{}
require.Equal(t, remoteCopy, localCopy)
}
return nil
}
// Wait for the replica to converge.
retry.Run(t, func(r *retry.R) {
checkSame(r)
})
// Update those states
for i := 0; i < 50; i++ {
dc := fmt.Sprintf("alt-dc%d", i+1)
ip1 := fmt.Sprintf("1.2.3.%d", i+1)
ip2 := fmt.Sprintf("4.3.2.%d", i+1)
ip3 := fmt.Sprintf("5.8.9.%d", i+1)
arg := structs.FederationStateRequest{
Datacenter: "dc1",
Op: structs.FederationStateUpsert,
State: &structs.FederationState{
Datacenter: dc,
MeshGateways: []structs.CheckServiceNode{
newTestMeshGatewayNode(
dc, "gateway1", ip1, 8443, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing,
),
newTestMeshGatewayNode(
dc, "gateway2", ip2, 8443, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing,
),
newTestMeshGatewayNode(
dc, "gateway3", ip3, 8443, map[string]string{structs.MetaWANFederationKey: "1"}, api.HealthPassing,
),
},
UpdatedAt: time.Now().UTC(),
},
}
out := false
require.NoError(t, s1.RPC("FederationState.Apply", &arg, &out))
}
// Wait for the replica to converge.
retry.Run(t, func(r *retry.R) {
checkSame(r)
})
for _, fedStateDC := range fedStateDCs {
arg := structs.FederationStateRequest{
Datacenter: "dc1",
Op: structs.FederationStateDelete,
State: &structs.FederationState{
Datacenter: fedStateDC,
},
}
out := false
require.NoError(t, s1.RPC("FederationState.Apply", &arg, &out))
}
// Wait for the replica to converge.
retry.Run(t, func(r *retry.R) {
checkSame(r)
})
}