Probably the most elegant ctrip apollo client in golang. This library has no third-party dependency.
Ctrip Apollo: https://github.com/ctripcorp/apollo
Default settings of lunar:
- default namespace is
application - default server is
localhost:8080 - default http client timeout is
90s
import "github.com/hyperjiang/lunar"
key := "foo"
app := lunar.New("myAppID", lunar.WithServer("localhost:8080"))
// get value of key in default namespace
app.GetValue(key)
// get value of key in namespace ns
app.GetValueInNamespace(key, "ns")
// get all the items in default namespace
app.GetItems()
// get all the items in namespace ns
app.GetItemsInNamespace("ns")
// get the content of ns namespace, if the format of ns is properties then will return json string
app.GetContent("ns")
// it will fetch items from apollo directly without reading local cache
app.GetNamespaceFromApollo("ns")
// watch changes of given namespaces
watchChan, errChan := app.Watch("ns1", "ns2", ...)
for {
select {
case n := <-watchChan:
fmt.Println(n)
case <-errChan:
app.Stop() // stop watcher
return
}
}
lunar does not write logs by default, if you want to see logs for debugging, you can replace it with any logger which implements lunar.Logger interface.
lunar also provide a simple logger lunar.Printf which writes to stdout:
app := lunar.New("myAppID", lunar.WithServer("localhost:8080"), lunar.WithLogger(lunar.Printf))
Or you can use UseLogger method:
app.UseLogger(lunar.Printf)
lunar use memory cache by default, you can replace it with any cache which implements lunar.Cache interface.
lunar also provide a file cache lunar.FileCache which use files for caching:
app := lunar.New("myAppID")
app.UseCache(lunar.NewFileCache("myAppID", "/tmp"))
Starting from v1.6.0, apollo supports access key feature, you can use WithAccessKeySecret to set the secret:
app := lunar.New(
"myAppID",
lunar.WithServer("localhost:8080"),
lunar.WithAccessKeySecret("mySecret"),
)
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