func (s *S) TestHealerHealNodeCreateMachineError(c *check.C) {
factory, iaasInst := dockertest.NewHealerIaaSConstructorWithInst("127.0.0.1")
iaas.RegisterIaasProvider("my-healer-iaas", factory)
_, err := iaas.CreateMachineForIaaS("my-healer-iaas", map[string]string{})
c.Assert(err, check.IsNil)
iaasInst.Addr = "localhost"
iaasInst.Err = fmt.Errorf("my create machine error")
node1, err := testing.NewServer("127.0.0.1:0", nil, nil)
c.Assert(err, check.IsNil)
p, err := s.newFakeDockerProvisioner(node1.URL())
c.Assert(err, check.IsNil)
defer p.Destroy()
node1.PrepareFailure("pingErr", "/_ping")
p.Cluster().StartActiveMonitoring(100 * time.Millisecond)
time.Sleep(300 * time.Millisecond)
p.Cluster().StopActiveMonitoring()
healer := NewNodeHealer(NodeHealerArgs{
Provisioner: p,
FailuresBeforeHealing: 1,
WaitTimeNewMachine: time.Minute,
})
nodes, err := p.Cluster().UnfilteredNodes()
c.Assert(err, check.IsNil)
c.Assert(nodes, check.HasLen, 1)
c.Assert(dockertest.URLPort(nodes[0].Address), check.Equals, dockertest.URLPort(node1.URL()))
c.Assert(net.URLToHost(nodes[0].Address), check.Equals, "127.0.0.1")
c.Assert(nodes[0].FailureCount() > 0, check.Equals, true)
nodes[0].Metadata["iaas"] = "my-healer-iaas"
created, err := healer.healNode(&nodes[0])
c.Assert(err, check.ErrorMatches, ".*my create machine error.*")
c.Assert(created.Address, check.Equals, "")
c.Assert(nodes[0].FailureCount(), check.Equals, 0)
nodes, err = p.Cluster().UnfilteredNodes()
c.Assert(err, check.IsNil)
c.Assert(nodes, check.HasLen, 1)
c.Assert(dockertest.URLPort(nodes[0].Address), check.Equals, dockertest.URLPort(node1.URL()))
c.Assert(net.URLToHost(nodes[0].Address), check.Equals, "127.0.0.1")
}
func (s *S) TestHealerHandleError(c *check.C) {
factory, iaasInst := dockertest.NewHealerIaaSConstructorWithInst("127.0.0.1")
iaas.RegisterIaasProvider("my-healer-iaas", factory)
_, err := iaas.CreateMachineForIaaS("my-healer-iaas", map[string]string{})
c.Assert(err, check.IsNil)
iaasInst.Addr = "localhost"
node1, err := testing.NewServer("127.0.0.1:0", nil, nil)
c.Assert(err, check.IsNil)
node2, err := testing.NewServer("127.0.0.1:0", nil, nil)
c.Assert(err, check.IsNil)
config.Set("iaas:node-protocol", "http")
config.Set("iaas:node-port", dockertest.URLPort(node2.URL()))
defer config.Unset("iaas:node-protocol")
defer config.Unset("iaas:node-port")
p, err := s.newFakeDockerProvisioner(node1.URL())
c.Assert(err, check.IsNil)
defer p.Destroy()
app := provisiontest.NewFakeApp("myapp", "python", 0)
_, err = p.StartContainers(dockertest.StartContainersArgs{
Endpoint: node1.URL(),
App: app,
Amount: map[string]int{"web": 1},
Image: "tsuru/python",
PullImage: true,
})
c.Assert(err, check.IsNil)
healer := NewNodeHealer(NodeHealerArgs{
Provisioner: p,
FailuresBeforeHealing: 1,
WaitTimeNewMachine: time.Minute,
})
nodes, err := p.Cluster().UnfilteredNodes()
c.Assert(err, check.IsNil)
c.Assert(nodes, check.HasLen, 1)
c.Assert(dockertest.URLPort(nodes[0].Address), check.Equals, dockertest.URLPort(node1.URL()))
c.Assert(net.URLToHost(nodes[0].Address), check.Equals, "127.0.0.1")
machines, err := iaas.ListMachines()
c.Assert(err, check.IsNil)
c.Assert(machines, check.HasLen, 1)
c.Assert(machines[0].Address, check.Equals, "127.0.0.1")
nodes[0].Metadata["iaas"] = "my-healer-iaas"
nodes[0].Metadata["Failures"] = "2"
waitTime := healer.HandleError(&nodes[0])
c.Assert(waitTime, check.Equals, time.Duration(0))
nodes, err = p.Cluster().Nodes()
c.Assert(err, check.IsNil)
c.Assert(nodes, check.HasLen, 1)
c.Assert(dockertest.URLPort(nodes[0].Address), check.Equals, dockertest.URLPort(node2.URL()))
c.Assert(net.URLToHost(nodes[0].Address), check.Equals, "localhost")
machines, err = iaas.ListMachines()
c.Assert(err, check.IsNil)
c.Assert(machines, check.HasLen, 1)
c.Assert(machines[0].Address, check.Equals, "localhost")
healingColl, err := healingCollection()
c.Assert(err, check.IsNil)
defer healingColl.Close()
var events []HealingEvent
err = healingColl.Find(nil).All(&events)
c.Assert(err, check.IsNil)
c.Assert(events, check.HasLen, 1)
c.Assert(events[0].Action, check.Equals, "node-healing")
c.Assert(events[0].StartTime, check.Not(check.DeepEquals), time.Time{})
c.Assert(events[0].EndTime, check.Not(check.DeepEquals), time.Time{})
c.Assert(events[0].Error, check.Equals, "")
c.Assert(events[0].Successful, check.Equals, true)
c.Assert(events[0].FailingNode.Address, check.Equals, fmt.Sprintf("http://127.0.0.1:%d/", dockertest.URLPort(node1.URL())))
c.Assert(events[0].CreatedNode.Address, check.Equals, fmt.Sprintf("http://localhost:%d", dockertest.URLPort(node2.URL())))
}
func (s *S) TestHealerHealNode(c *check.C) {
factory, iaasInst := dockertest.NewHealerIaaSConstructorWithInst("127.0.0.1")
iaas.RegisterIaasProvider("my-healer-iaas", factory)
_, err := iaas.CreateMachineForIaaS("my-healer-iaas", map[string]string{})
c.Assert(err, check.IsNil)
iaasInst.Addr = "localhost"
node1, err := testing.NewServer("127.0.0.1:0", nil, nil)
c.Assert(err, check.IsNil)
node2, err := testing.NewServer("127.0.0.1:0", nil, nil)
c.Assert(err, check.IsNil)
config.Set("iaas:node-protocol", "http")
config.Set("iaas:node-port", dockertest.URLPort(node2.URL()))
defer config.Unset("iaas:node-protocol")
defer config.Unset("iaas:node-port")
p, err := s.newFakeDockerProvisioner(node1.URL())
c.Assert(err, check.IsNil)
defer p.Destroy()
app := provisiontest.NewFakeApp("myapp", "python", 0)
_, err = p.StartContainers(dockertest.StartContainersArgs{
Endpoint: node1.URL(),
App: app,
Amount: map[string]int{"web": 1},
Image: "tsuru/python",
PullImage: true,
})
c.Assert(err, check.IsNil)
healer := NewNodeHealer(NodeHealerArgs{
Provisioner: p,
FailuresBeforeHealing: 1,
WaitTimeNewMachine: time.Minute,
})
nodes, err := p.Cluster().UnfilteredNodes()
c.Assert(err, check.IsNil)
c.Assert(nodes, check.HasLen, 1)
c.Assert(dockertest.URLPort(nodes[0].Address), check.Equals, dockertest.URLPort(node1.URL()))
c.Assert(net.URLToHost(nodes[0].Address), check.Equals, "127.0.0.1")
containers := p.AllContainers()
c.Assert(err, check.IsNil)
c.Assert(containers, check.HasLen, 1)
c.Assert(containers[0].HostAddr, check.Equals, "127.0.0.1")
machines, err := iaas.ListMachines()
c.Assert(err, check.IsNil)
c.Assert(machines, check.HasLen, 1)
c.Assert(machines[0].Address, check.Equals, "127.0.0.1")
nodes[0].Metadata["iaas"] = "my-healer-iaas"
created, err := healer.healNode(&nodes[0])
c.Assert(err, check.IsNil)
c.Assert(created.Address, check.Equals, fmt.Sprintf("http://localhost:%d", dockertest.URLPort(node2.URL())))
nodes, err = p.Cluster().UnfilteredNodes()
c.Assert(err, check.IsNil)
c.Assert(nodes, check.HasLen, 1)
c.Assert(dockertest.URLPort(nodes[0].Address), check.Equals, dockertest.URLPort(node2.URL()))
c.Assert(net.URLToHost(nodes[0].Address), check.Equals, "localhost")
machines, err = iaas.ListMachines()
c.Assert(err, check.IsNil)
c.Assert(machines, check.HasLen, 1)
c.Assert(machines[0].Address, check.Equals, "localhost")
err = tsurutest.WaitCondition(5*time.Second, func() bool {
containers := p.AllContainers()
return len(containers) == 1 && containers[0].HostAddr == "localhost"
})
c.Assert(err, check.IsNil)
}