func createReadClient(m *medium) (readClient, error) {
// no output, no client
if m == nil {
return nil, nil
}
switch m.typ {
case innkeeper:
return createInnkeeperClient(m)
case etcd:
return etcdclient.New(etcdclient.Options{
Endpoints: urlsToStrings(m.urls),
Prefix: m.path,
Insecure: insecure})
case stdin:
return &stdinReader{reader: os.Stdin}, nil
case file:
return eskipfile.Open(m.path)
case inline:
return &inlineReader{routes: m.eskip}, nil
case inlineIds:
return &idsReader{ids: m.ids}, nil
default:
return nil, invalidInputType
}
}
func createDataClients(o Options, auth innkeeper.Authentication) ([]routing.DataClient, error) {
var clients []routing.DataClient
if o.RoutesFile != "" {
f, err := eskipfile.Open(o.RoutesFile)
if err != nil {
return nil, err
}
clients = append(clients, f)
}
if o.InnkeeperUrl != "" {
ic, err := innkeeper.New(innkeeper.Options{
o.InnkeeperUrl, o.ProxyOptions.Insecure(), auth,
o.InnkeeperPreRouteFilters, o.InnkeeperPostRouteFilters})
if err != nil {
return nil, err
}
clients = append(clients, ic)
}
if len(o.EtcdUrls) > 0 {
clients = append(clients, etcd.New(o.EtcdUrls, o.EtcdPrefix))
}
return clients, nil
}
// load and parse routes from a file using the eskipfile client.
func loadFile(path string) (loadResult, error) {
client, err := eskipfile.Open(path)
if err != nil {
return loadResult{}, err
}
routes, err := client.LoadAll()
return loadResult{routes: routes}, err
}
func Example() {
// open file with a routing table:
dataClient, err := eskipfile.Open("/some/path/to/routing-table.eskip")
if err != nil {
// log.Fatal(err)
return
}
// create http.Handler:
proxy.New(
routing.New(routing.Options{
DataClients: []routing.DataClient{dataClient}}),
proxy.OptionsNone)
}
func createDataClients(o Options, auth innkeeper.Authentication) ([]routing.DataClient, error) {
var clients []routing.DataClient
if o.RoutesFile != "" {
f, err := eskipfile.Open(o.RoutesFile)
if err != nil {
log.Error(err)
return nil, err
}
clients = append(clients, f)
}
if o.InnkeeperUrl != "" {
ic, err := innkeeper.New(innkeeper.Options{
o.InnkeeperUrl, o.InnkeeperInsecure, auth,
o.InnkeeperPreRouteFilters, o.InnkeeperPostRouteFilters})
if err != nil {
log.Error(err)
return nil, err
}
clients = append(clients, ic)
}
if len(o.EtcdUrls) > 0 {
etcdClient, err := etcd.New(etcd.Options{
o.EtcdUrls,
o.EtcdPrefix,
o.EtcdWaitTimeout,
o.EtcdInsecure})
if err != nil {
return nil, err
}
clients = append(clients, etcdClient)
}
if o.KubernetesURL != "" {
clients = append(clients, kubernetes.New(kubernetes.Options{
KubernetesURL: o.KubernetesURL,
ProvideHealthcheck: o.KubernetesHealthcheck,
}))
}
return clients, nil
}