func (s *APIEndpointForEnvSuite) TestAPIEndpointNotMachineLocal(c *gc.C) {
store := newConfigStore("env-name", dummyStoreInfo)
called := 0
hostPorts := [][]instance.HostPort{
instance.AddressesWithPort([]instance.Address{
instance.NewAddress("1.0.0.1", instance.NetworkPublic),
instance.NewAddress("192.0.0.1", instance.NetworkCloudLocal),
instance.NewAddress("127.0.0.1", instance.NetworkMachineLocal),
instance.NewAddress("localhost", instance.NetworkMachineLocal),
}, 1234),
instance.AddressesWithPort([]instance.Address{
instance.NewAddress("1.0.0.2", instance.NetworkUnknown),
instance.NewAddress("2002:0:0:0:0:0:100:2", instance.NetworkUnknown),
instance.NewAddress("::1", instance.NetworkMachineLocal),
instance.NewAddress("127.0.0.1", instance.NetworkMachineLocal),
instance.NewAddress("localhost", instance.NetworkMachineLocal),
}, 1235),
}
expectState := &mockAPIState{apiHostPorts: hostPorts}
apiOpen := func(_ *api.Info, _ api.DialOpts) (juju.APIState, error) {
called++
return expectState, nil
}
endpoint, err := juju.APIEndpointInStore("env-name", true, store, apiOpen)
c.Assert(err, gc.IsNil)
c.Check(called, gc.Equals, 1)
c.Check(endpoint.Addresses, gc.DeepEquals, []string{
"1.0.0.1:1234",
"192.0.0.1:1234",
"1.0.0.2:1235",
})
}
func (s *MachineSuite) TestMachineAgentRunsAPIAddressUpdaterWorker(c *gc.C) {
// Start the machine agent.
m, _, _ := s.primeAgent(c, version.Current, state.JobHostUnits)
a := s.newAgent(c, m)
go func() { c.Check(a.Run(nil), gc.IsNil) }()
defer func() { c.Check(a.Stop(), gc.IsNil) }()
// Update the API addresses.
updatedServers := [][]instance.HostPort{instance.AddressesWithPort(
instance.NewAddresses("localhost"), 1234,
)}
err := s.BackingState.SetAPIHostPorts(updatedServers)
c.Assert(err, gc.IsNil)
// Wait for config to be updated.
s.BackingState.StartSync()
for attempt := coretesting.LongAttempt.Start(); attempt.Next(); {
addrs, err := a.CurrentConfig().APIAddresses()
c.Assert(err, gc.IsNil)
if reflect.DeepEqual(addrs, []string{"localhost:1234"}) {
return
}
}
c.Fatalf("timeout while waiting for agent config to change")
}
func (s *APIAddressUpdaterSuite) TestAddressChange(c *gc.C) {
setter := &apiAddressSetter{servers: make(chan [][]instance.HostPort, 1)}
st, _ := s.OpenAPIAsNewMachine(c, state.JobHostUnits)
worker := apiaddressupdater.NewAPIAddressUpdater(st.Machiner(), setter)
defer func() { c.Assert(worker.Wait(), gc.IsNil) }()
defer worker.Kill()
s.BackingState.StartSync()
updatedServers := [][]instance.HostPort{instance.AddressesWithPort(
instance.NewAddresses("localhost", "127.0.0.1"),
1234,
)}
// SetAPIHostPorts should be called with the initial value (empty),
// and then the updated value.
select {
case <-time.After(coretesting.LongWait):
c.Fatalf("timed out waiting for SetAPIHostPorts to be called first")
case servers := <-setter.servers:
c.Assert(servers, gc.HasLen, 0)
}
err := s.State.SetAPIHostPorts(updatedServers)
c.Assert(err, gc.IsNil)
s.BackingState.StartSync()
select {
case <-time.After(coretesting.LongWait):
c.Fatalf("timed out waiting for SetAPIHostPorts to be called second")
case servers := <-setter.servers:
c.Assert(servers, gc.DeepEquals, updatedServers)
}
}
func (s *APIEndpointForEnvSuite) TestAPIEndpointRefresh(c *gc.C) {
store := newConfigStore("env-name", dummyStoreInfo)
called := 0
expectState := &mockAPIState{
apiHostPorts: [][]instance.HostPort{
instance.AddressesWithPort([]instance.Address{instance.NewAddress("0.1.2.3", instance.NetworkUnknown)}, 1234),
},
}
apiOpen := func(apiInfo *api.Info, opts api.DialOpts) (juju.APIState, error) {
c.Check(apiInfo.Tag, gc.Equals, "user-foo")
c.Check(string(apiInfo.CACert), gc.Equals, "certificated")
c.Check(apiInfo.Password, gc.Equals, "foopass")
c.Check(opts, gc.DeepEquals, api.DefaultDialOpts())
called++
return expectState, nil
}
endpoint, err := juju.APIEndpointInStore("env-name", false, store, apiOpen)
c.Assert(err, gc.IsNil)
c.Assert(called, gc.Equals, 0)
c.Check(endpoint.Addresses, gc.DeepEquals, []string{"foo.invalid"})
// However, if we ask to refresh them, we'll connect to the API and get
// the freshest set
endpoint, err = juju.APIEndpointInStore("env-name", true, store, apiOpen)
c.Assert(err, gc.IsNil)
c.Check(called, gc.Equals, 1)
// This refresh now gives us the values return by APIHostPorts
c.Check(endpoint.Addresses, gc.DeepEquals, []string{"0.1.2.3:1234"})
}
// testNamespace starts a worker and ensures that
// the rsyslog config file has the expected filename,
// and the appropriate log dir is used.
func (s *RsyslogSuite) testNamespace(c *gc.C, st *api.State, tag, namespace, expectedFilename, expectedLogDir string) {
restarted := make(chan struct{}, 2) // once for create, once for teardown
s.PatchValue(rsyslog.RestartRsyslog, func() error {
restarted <- struct{}{}
return nil
})
err := os.MkdirAll(expectedLogDir, 0755)
c.Assert(err, gc.IsNil)
worker, err := rsyslog.NewRsyslogConfigWorker(st.Rsyslog(), rsyslog.RsyslogModeForwarding, tag, namespace, []string{"0.1.2.3"})
c.Assert(err, gc.IsNil)
defer func() { c.Assert(worker.Wait(), gc.IsNil) }()
defer worker.Kill()
// change the API HostPorts to trigger an rsyslog restart
newHostPorts := instance.AddressesWithPort(instance.NewAddresses("127.0.0.1"), 6541)
err = s.State.SetAPIHostPorts([][]instance.HostPort{newHostPorts})
c.Assert(err, gc.IsNil)
// Wait for rsyslog to be restarted, so we can check to see
// what the name of the config file is.
waitForRestart(c, restarted)
// Ensure that ca-cert.pem gets written to the expected log dir.
waitForFile(c, filepath.Join(expectedLogDir, "ca-cert.pem"))
dir, err := os.Open(*rsyslog.RsyslogConfDir)
c.Assert(err, gc.IsNil)
names, err := dir.Readdirnames(-1)
dir.Close()
c.Assert(err, gc.IsNil)
c.Assert(names, gc.HasLen, 1)
c.Assert(names[0], gc.Equals, expectedFilename)
}
func parseHostPort(s string) (instance.HostPort, error) {
addr, port, err := net.SplitHostPort(s)
if err != nil {
return instance.HostPort{}, err
}
portNum, err := strconv.Atoi(port)
if err != nil {
return instance.HostPort{}, fmt.Errorf("bad port number %q", port)
}
addrs := instance.NewAddresses(addr)
hostPorts := instance.AddressesWithPort(addrs, portNum)
return hostPorts[0], nil
}
func (m *fakeMachine) setStateHostPort(hostPort string) {
var mongoHostPorts []instance.HostPort
if hostPort != "" {
host, portStr, err := net.SplitHostPort(hostPort)
if err != nil {
panic(err)
}
port, err := strconv.Atoi(portStr)
if err != nil {
panic(err)
}
mongoHostPorts = instance.AddressesWithPort(instance.NewAddresses(host), port)
mongoHostPorts[0].NetworkScope = instance.NetworkCloudLocal
}
m.mutate(func(doc *machineDoc) {
doc.mongoHostPorts = mongoHostPorts
})
}
func (s *APIEndpointForEnvSuite) TestAPIEndpointNotCached(c *gc.C) {
coretesting.WriteEnvironments(c, coretesting.MultipleEnvConfig)
store, err := configstore.Default()
c.Assert(err, gc.IsNil)
ctx := coretesting.Context(c)
env, err := environs.PrepareFromName("erewhemos", ctx, store)
c.Assert(err, gc.IsNil)
defer dummy.Reset()
envtesting.UploadFakeTools(c, env.Storage())
err = bootstrap.Bootstrap(ctx, env, environs.BootstrapParams{})
c.Assert(err, gc.IsNil)
// Note: if we get Bootstrap to start caching the API endpoint
// immediately, we'll still want to have this test for compatibility.
// We can just write blank info instead of reading and checking it is empty.
savedInfo, err := store.ReadInfo("erewhemos")
c.Assert(err, gc.IsNil)
// Ensure that the data isn't cached
c.Check(savedInfo.APIEndpoint().Addresses, gc.HasLen, 0)
called := 0
expectState := &mockAPIState{
apiHostPorts: [][]instance.HostPort{
instance.AddressesWithPort([]instance.Address{instance.NewAddress("0.1.2.3", instance.NetworkUnknown)}, 1234),
},
}
apiOpen := func(apiInfo *api.Info, opts api.DialOpts) (juju.APIState, error) {
c.Check(apiInfo.Tag, gc.Equals, "user-admin")
c.Check(string(apiInfo.CACert), gc.Equals, coretesting.CACert)
c.Check(apiInfo.Password, gc.Equals, coretesting.DefaultMongoPassword)
c.Check(opts, gc.DeepEquals, api.DefaultDialOpts())
called++
return expectState, nil
}
endpoint, err := juju.APIEndpointInStore("erewhemos", false, store, apiOpen)
c.Assert(err, gc.IsNil)
c.Assert(called, gc.Equals, 1)
c.Check(endpoint.Addresses, gc.DeepEquals, []string{"0.1.2.3:1234"})
}
func (s *NewAPIClientSuite) TestWithInfoOnly(c *gc.C) {
store := newConfigStore("noconfig", dummyStoreInfo)
called := 0
expectState := &mockAPIState{
apiHostPorts: [][]instance.HostPort{
instance.AddressesWithPort([]instance.Address{instance.NewAddress("0.1.2.3", instance.NetworkUnknown)}, 1234),
},
}
apiOpen := func(apiInfo *api.Info, opts api.DialOpts) (juju.APIState, error) {
c.Check(apiInfo.Tag, gc.Equals, "user-foo")
c.Check(string(apiInfo.CACert), gc.Equals, "certificated")
c.Check(apiInfo.Password, gc.Equals, "foopass")
c.Check(opts, gc.DeepEquals, api.DefaultDialOpts())
called++
return expectState, nil
}
// Give NewAPIFromStore a store interface that can report when the
// config was written to, to check if the cache is updated.
mockStore := &storageWithWriteNotify{store: store}
st, err := juju.NewAPIFromStore("noconfig", mockStore, apiOpen)
c.Assert(err, gc.IsNil)
c.Assert(st, gc.Equals, expectState)
c.Assert(called, gc.Equals, 1)
c.Assert(mockStore.written, jc.IsTrue)
info, err := store.ReadInfo("noconfig")
c.Assert(err, gc.IsNil)
c.Assert(info.APIEndpoint().Addresses, gc.DeepEquals, []string{"0.1.2.3:1234"})
mockStore.written = false
// If APIHostPorts haven't changed, then the store won't be updated.
st, err = juju.NewAPIFromStore("noconfig", mockStore, apiOpen)
c.Assert(err, gc.IsNil)
c.Assert(st, gc.Equals, expectState)
c.Assert(called, gc.Equals, 2)
c.Assert(mockStore.written, jc.IsFalse)
}
// newRsyslogConfig creates a new instance of the RsyslogConfig.
func newRsyslogConfig(envCfg *config.Config, api *RsyslogAPI) (*apirsyslog.RsyslogConfig, error) {
stateAddrsResult, err := api.StateAddresser.StateAddresses()
if err != nil {
return nil, err
}
port := envCfg.SyslogPort()
var bareAddrs []string
for _, addr := range stateAddrsResult.Result {
hostOnly, _, err := net.SplitHostPort(addr)
if err != nil {
return nil, err
}
bareAddrs = append(bareAddrs, hostOnly)
}
apiAddresses := instance.NewAddresses(bareAddrs...)
return &apirsyslog.RsyslogConfig{
CACert: envCfg.RsyslogCACert(),
Port: port,
HostPorts: instance.AddressesWithPort(apiAddresses, port),
}, nil
}
// initAPIHostPorts sets the initial API host/port addresses in state.
func initAPIHostPorts(c ConfigSetter, st *state.State, addrs []instance.Address, apiPort int) error {
hostPorts := instance.AddressesWithPort(addrs, apiPort)
return st.SetAPIHostPorts([][]instance.HostPort{hostPorts})
}
func addressesWithPort(port int, addrs ...string) []instance.HostPort {
return instance.AddressesWithPort(instance.NewAddresses(addrs...), port)
}
func (m *machineShim) MongoHostPorts() []instance.HostPort {
return instance.AddressesWithPort(m.Addresses(), m.mongoPort)
}
func (m *machineShim) APIHostPorts() []instance.HostPort {
return instance.AddressesWithPort(m.Addresses(), m.apiPort)
}