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Rene Kaufmann
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Feb 26, 2022
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| /* | ||
| * This file is part of remco. | ||
| * © 2022 The Remco Authors | ||
| * | ||
| * For the full copyright and license information, please view the LICENSE | ||
| * file that was distributed with this source code. | ||
| */ | ||
|
|
||
| package backends | ||
|
|
||
| import ( | ||
| "github.com/HeavyHorst/easykv/nats" | ||
| berr "github.com/HeavyHorst/remco/pkg/backends/error" | ||
| "github.com/HeavyHorst/remco/pkg/log" | ||
| "github.com/HeavyHorst/remco/pkg/template" | ||
| ) | ||
|
|
||
| // NatsConfig represents the config for the nats backend. | ||
| type NatsConfig struct { | ||
| // Nodes is list of backend nodes. | ||
| Nodes []string | ||
|
|
||
| // The Nats kv bucket | ||
| Bucket string | ||
|
|
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| // The username for the basic_auth authentication. | ||
| Username string | ||
|
|
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| // The password for the basic_auth authentication. | ||
| Password string | ||
|
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| // The token for the token auth method | ||
| Token string | ||
|
|
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| // The path to an NATS 2.0 and NATS NGS compatible user credentials file | ||
| Creds string | ||
|
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| template.Backend | ||
| } | ||
|
|
||
| // Connect creates a new etcd{2,3}Client and fills the underlying template.Backend with the etcd-Backend specific data. | ||
| func (c *NatsConfig) Connect() (template.Backend, error) { | ||
| if c == nil { | ||
| return template.Backend{}, berr.ErrNilConfig | ||
| } | ||
|
|
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| c.Backend.Name = "nats" | ||
|
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| log.WithFields( | ||
| "backend", c.Backend.Name, | ||
| "nodes", c.Nodes, | ||
| ).Info("set backend nodes") | ||
|
|
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| client, err := nats.New(c.Nodes, c.Bucket, nats.WithBasicAuth(nats.BasicAuthOptions{ | ||
| Username: c.Username, | ||
| Password: c.Password, | ||
| }), nats.WithToken(c.Token), nats.WithCredentials(c.Creds)) | ||
|
|
||
| if err != nil { | ||
| return c.Backend, err | ||
| } | ||
|
|
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| c.Backend.ReadWatcher = client | ||
| return c.Backend, nil | ||
| } | ||
|
|
||
| // return Backend config to allow modification before connect() for onetime param or similar | ||
| func (c *NatsConfig) GetBackend() *template.Backend { | ||
| return &c.Backend | ||
| } |