func (m *SentinelManager) getTopology(stateChannel chan types.MasterDetailsCollection) {
topology := types.NewMasterDetailsCollection()
configuration := m.configurationManager.GetCurrentConfiguration()
for _, sentinel := range configuration.Sentinels {
client, err := redis.NewSentinelClient(sentinel, m.redisConnection)
if err != nil {
logger.Info.Printf("Error starting sentinel (%s) client : %s", sentinel.GetLocation(), err.Error())
continue
}
defer client.Close()
for _, clusterDetails := range configuration.Clusters {
details, err := client.DiscoverMasterForCluster(clusterDetails.Name)
if err != nil {
continue
}
details.ExternalPort = clusterDetails.ExternalPort
// TODO : last one wins?
topology.AddOrReplace(details)
}
}
stateChannel <- topology
}
func TestLoadNonExistingTempate(t *testing.T) {
path := "does_not_exist_template.cfg"
collection := types.NewMasterDetailsCollection()
_, err := RenderTemplate(path, &collection)
if err == nil {
t.Error("Template doesn't exist - this should error")
}
}
func TestLoadTempate(t *testing.T) {
path := "../../build/configs/redis-haproxy/haproxy_template.cfg"
collection := types.NewMasterDetailsCollection()
collection.AddOrReplace(&types.MasterDetails{Name: "one", Ip: "10.0.0.1", Port: 2345, ExternalPort: 5432})
collection.AddOrReplace(&types.MasterDetails{Name: "two", Ip: "10.0.1.1", Port: 5432, ExternalPort: 2345})
renderedTemplate, err := RenderTemplate(path, &collection)
if err != nil {
t.Error("Error rendering test file")
}
fmt.Printf("%s", renderedTemplate)
}
func NewHAProxyFlipper(configuration *configuration.ConfigurationManager) *HAProxyFlipperClient {
state := types.NewMasterDetailsCollection()
return &HAProxyFlipperClient{configurationManager: configuration, lock: &sync.Mutex{}, state: &state}
}