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enhancement: Use singleton base client
Avoid authenticating multiple times for different APIs. Signed-off-by: Charith Ellawala <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| // Copyright 2021-2024 Zenauth Ltd. | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| package hub | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sync" | ||
|
|
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| "connectrpc.com/connect" | ||
|
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| "github.com/cerbos/cloud-api/base" | ||
| "github.com/cerbos/cloud-api/bundle" | ||
| "github.com/cerbos/cloud-api/logcap" | ||
| ) | ||
|
|
||
| var ( | ||
| mu sync.RWMutex | ||
| instance *Hub | ||
| ) | ||
|
|
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| type Hub struct { | ||
| opts []connect.ClientOption | ||
| client base.Client | ||
| } | ||
|
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| func Get(conf base.ClientConf) (*Hub, error) { | ||
| mu.RLock() | ||
| i := instance | ||
| mu.RUnlock() | ||
|
|
||
| if i != nil { | ||
| return i, nil | ||
| } | ||
|
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| mu.Lock() | ||
| defer mu.Unlock() | ||
|
|
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| if instance != nil { | ||
| return instance, nil | ||
| } | ||
|
|
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| i, err := New(conf) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to create base Hub client: %w", err) | ||
| } | ||
|
|
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| instance = i | ||
| return instance, nil | ||
| } | ||
|
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| func New(conf base.ClientConf) (*Hub, error) { | ||
| client, opts, err := base.NewClient(conf) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to create base Hub client: %w", err) | ||
| } | ||
|
|
||
| return &Hub{ | ||
| client: client, | ||
| opts: opts, | ||
| }, nil | ||
| } | ||
|
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| func (h *Hub) BundleClient(conf bundle.ClientConf) (*bundle.Client, error) { | ||
| return bundle.NewClient(conf, h.client, h.opts) | ||
| } | ||
|
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| func (h *Hub) LogCapClient() (*logcap.Client, error) { | ||
| return logcap.NewClient(h.client, h.opts) | ||
| } |
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