kilo/pkg/mesh/mesh_test.go
Lucas Servén Marín 72bfb762b9
pkg/{k8s,mesh}: introduce liveness checks
This commit introduces liveness checks to Kilo. This allows the Kilo
daemons to take nodes with inactive or dead Kilo deamons out of the
topology until they are alive again.
2019-04-02 18:28:27 +02:00

149 lines
3.2 KiB
Go

// Copyright 2019 the Kilo authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package mesh
import (
"net"
"testing"
"time"
)
func TestNewAllocator(t *testing.T) {
_, c1, err := net.ParseCIDR("10.1.0.0/16")
if err != nil {
t.Fatalf("failed to parse CIDR: %v", err)
}
a1 := newAllocator(*c1)
_, c2, err := net.ParseCIDR("10.1.0.0/32")
if err != nil {
t.Fatalf("failed to parse CIDR: %v", err)
}
a2 := newAllocator(*c2)
_, c3, err := net.ParseCIDR("10.1.0.0/31")
if err != nil {
t.Fatalf("failed to parse CIDR: %v", err)
}
a3 := newAllocator(*c3)
for _, tc := range []struct {
name string
a *allocator
next string
}{
{
name: "10.1.0.0/16 first",
a: a1,
next: "10.1.0.1/32",
},
{
name: "10.1.0.0/16 second",
a: a1,
next: "10.1.0.2/32",
},
{
name: "10.1.0.0/32",
a: a2,
next: "<nil>",
},
{
name: "10.1.0.0/31 first",
a: a3,
next: "10.1.0.1/32",
},
{
name: "10.1.0.0/31 second",
a: a3,
next: "<nil>",
},
} {
next := tc.a.next()
if next.String() != tc.next {
t.Errorf("test case %q: expected %s, got %s", tc.name, tc.next, next.String())
}
}
}
func TestReady(t *testing.T) {
internalIP := oneAddressCIDR(net.ParseIP("1.1.1.1"))
externalIP := oneAddressCIDR(net.ParseIP("2.2.2.2"))
for _, tc := range []struct {
name string
node *Node
ready bool
}{
{
name: "nil",
node: nil,
ready: false,
},
{
name: "empty fields",
node: &Node{},
ready: false,
},
{
name: "empty external IP",
node: &Node{
InternalIP: internalIP,
Key: []byte{},
Subnet: &net.IPNet{IP: net.ParseIP("10.2.0.0"), Mask: net.CIDRMask(16, 32)},
},
ready: false,
},
{
name: "empty internal IP",
node: &Node{
ExternalIP: externalIP,
Key: []byte{},
Subnet: &net.IPNet{IP: net.ParseIP("10.2.0.0"), Mask: net.CIDRMask(16, 32)},
},
ready: false,
},
{
name: "empty key",
node: &Node{
ExternalIP: externalIP,
InternalIP: internalIP,
Subnet: &net.IPNet{IP: net.ParseIP("10.2.0.0"), Mask: net.CIDRMask(16, 32)},
},
ready: false,
},
{
name: "empty subnet",
node: &Node{
ExternalIP: externalIP,
InternalIP: internalIP,
Key: []byte{},
},
ready: false,
},
{
name: "valid",
node: &Node{
ExternalIP: externalIP,
InternalIP: internalIP,
Key: []byte{},
LastSeen: time.Now().Unix(),
Subnet: &net.IPNet{IP: net.ParseIP("10.2.0.0"), Mask: net.CIDRMask(16, 32)},
},
ready: true,
},
} {
ready := tc.node.Ready()
if ready != tc.ready {
t.Errorf("test case %q: expected %t, got %t", tc.name, tc.ready, ready)
}
}
}