func (m *mux) transportSettings(b engine.Backend) (*engine.TransportSettings, error) {
s, err := b.TransportSettings()
if err != nil {
return nil, err
}
// Apply global defaults if options are not set
if s.Timeouts.Dial == 0 {
s.Timeouts.Dial = m.options.DialTimeout
}
if s.Timeouts.Read == 0 {
s.Timeouts.Read = m.options.ReadTimeout
}
return s, nil
}
func (b *backend) updateSettings(be engine.Backend) error {
olds := b.backend.HTTPSettings()
news := be.HTTPSettings()
// Nothing changed in transport options
if news.Equals(olds) {
return nil
}
s, err := b.mux.transportSettings(be)
if err != nil {
return err
}
t := newTransport(s)
b.transport.CloseIdleConnections()
b.transport = t
for _, f := range b.frontends {
f.updateTransport(t)
}
return nil
}
func (s *EngineSuite) BackendCRUD(c *C) {
b := engine.Backend{Id: "b1", Type: engine.HTTP, Settings: engine.HTTPBackendSettings{}}
c.Assert(s.Engine.UpsertBackend(b), IsNil)
s.expectChanges(c, &engine.BackendUpserted{Backend: b})
bk := engine.BackendKey{Id: b.Id}
out, err := s.Engine.GetBackend(bk)
c.Assert(err, IsNil)
c.Assert(out, DeepEquals, &b)
bs, err := s.Engine.GetBackends()
c.Assert(len(bs), Equals, 1)
c.Assert(bs[0], DeepEquals, b)
b.Settings = engine.HTTPBackendSettings{Timeouts: engine.HTTPBackendTimeouts{Read: "1s"}}
c.Assert(s.Engine.UpsertBackend(b), IsNil)
s.expectChanges(c, &engine.BackendUpserted{Backend: b})
b.Settings = engine.HTTPBackendSettings{
Timeouts: engine.HTTPBackendTimeouts{Read: "1s"},
TLS: &engine.TLSSettings{PreferServerCipherSuites: true},
}
c.Assert(s.Engine.UpsertBackend(b), IsNil)
s.expectChanges(c, &engine.BackendUpserted{Backend: b})
err = s.Engine.DeleteBackend(bk)
c.Assert(err, IsNil)
s.expectChanges(c, &engine.BackendDeleted{
BackendKey: bk,
})
}