85acf6b983
* Copy-and-paste Go client example Includes Go source that runs without modification, as well as simple instructions for compiling, running, and viewing the output in the Consul UI. * Remove unnecessary flags from development server example This is a bare minimum Go example needed to store keys and values in Consul. The `-ui` and `-server` flags aren't needed when running with `-dev`.
68 lines
1.3 KiB
Markdown
68 lines
1.3 KiB
Markdown
Consul API client
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=================
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This package provides the `api` package which attempts to
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provide programmatic access to the full Consul API.
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Currently, all of the Consul APIs included in version 0.6.0 are supported.
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Documentation
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=============
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The full documentation is available on [Godoc](https://godoc.org/github.com/hashicorp/consul/api)
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Usage
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=====
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Below is an example of using the Consul client:
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```go
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package main
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import "github.com/hashicorp/consul/api"
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import "fmt"
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func main() {
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// Get a new client
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client, err := api.NewClient(api.DefaultConfig())
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if err != nil {
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panic(err)
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}
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// Get a handle to the KV API
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kv := client.KV()
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// PUT a new KV pair
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p := &api.KVPair{Key: "REDIS_MAXCLIENTS", Value: []byte("1000")}
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_, err = kv.Put(p, nil)
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if err != nil {
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panic(err)
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}
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// Lookup the pair
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pair, _, err := kv.Get("REDIS_MAXCLIENTS", nil)
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if err != nil {
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panic(err)
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}
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fmt.Printf("KV: %v %s\n", pair.Key, pair.Value)
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}
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```
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To run this example, start a Consul server:
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```bash
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consul agent -dev
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```
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Copy the code above into a file such as `main.go`.
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Install and run. You'll see a key (`REDIS_MAXCLIENTS`) and value (`1000`) printed.
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```bash
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$ go get
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$ go run main.go
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KV: REDIS_MAXCLIENTS 1000
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```
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After running the code, you can also view the values in the Consul UI on your local machine at http://localhost:8500/ui/dc1/kv
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