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feat: support templating for http sinks (#493)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| --- | ||
| version: 1 | ||
| interactions: | ||
| - request: | ||
| body: '{"details":{"another_key":"index1","some_key":"elasticsearch.index1"}}' | ||
| form: {} | ||
| headers: | ||
| Accept: | ||
| - application/json | ||
| Content-Type: | ||
| - application/json | ||
| url: http://127.0.0.1:54943/table/elasticsearch.index1 | ||
| method: POST | ||
| response: | ||
| body: "" | ||
| headers: | ||
| Content-Length: | ||
| - "0" | ||
| Date: | ||
| - Mon, 11 Jul 2022 09:32:21 GMT | ||
| status: 200 OK | ||
| code: 200 | ||
| duration: 274.68µs | ||
| - request: | ||
| body: '{"details":{"another_key":"index2","some_key":"elasticsearch.index2"}}' | ||
| form: {} | ||
| headers: | ||
| Accept: | ||
| - application/json | ||
| Content-Type: | ||
| - application/json | ||
| url: http://127.0.0.1:54943/table/elasticsearch.index2 | ||
| method: POST | ||
| response: | ||
| body: "" | ||
| headers: | ||
| Content-Length: | ||
| - "0" | ||
| Date: | ||
| - Mon, 11 Jul 2022 09:32:21 GMT | ||
| status: 200 OK | ||
| code: 200 | ||
| duration: 173.792µs |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| package http | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
|
|
||
| "github.com/d5/tengo/v2" | ||
| v1beta2 "github.com/raystack/meteor/models/raystack/assets/v1beta2" | ||
| "github.com/raystack/meteor/plugins/internal/tengoutil" | ||
| "github.com/raystack/meteor/plugins/internal/tengoutil/structmap" | ||
| ) | ||
|
|
||
| var errUserExit = errors.New("user exit") | ||
|
|
||
| func (s *Sink) executeScript(ctx context.Context, url string, asset *v1beta2.Asset) error { | ||
| scriptCfg := s.config.Script | ||
| script, err := tengoutil.NewSecureScript( | ||
| ([]byte)(scriptCfg.Source), s.scriptGlobals(ctx, url), | ||
| ) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| c, err := script.Compile() | ||
| if err != nil { | ||
| return fmt.Errorf("compile: %w", err) | ||
| } | ||
| assetMap, err := structmap.AsMap(asset) | ||
| if err != nil { | ||
| return fmt.Errorf("convert asset to map: %w", err) | ||
| } | ||
| if err := c.Set("asset", assetMap); err != nil { | ||
| return fmt.Errorf("set asset into vm: %w", err) | ||
| } | ||
| if err := c.RunContext(ctx); err != nil && !errors.Is(err, errUserExit) { | ||
| return fmt.Errorf("run: %w", err) | ||
| } | ||
| return nil | ||
| } | ||
| func (s *Sink) scriptGlobals(ctx context.Context, url string) map[string]interface{} { | ||
| return map[string]interface{}{ | ||
| "asset": map[string]interface{}{}, | ||
| "sink": &tengo.UserFunction{ | ||
| Name: "sink", | ||
| Value: s.executeRequestWrapper(ctx, url), | ||
| }, | ||
| "exit": &tengo.UserFunction{ | ||
| Name: "exit", | ||
| Value: func(...tengo.Object) (tengo.Object, error) { | ||
| return nil, errUserExit | ||
| }, | ||
| }, | ||
| } | ||
| } | ||
| func (s *Sink) executeRequestWrapper(ctx context.Context, url string) tengo.CallableFunc { | ||
| return func(args ...tengo.Object) (tengo.Object, error) { | ||
| if len(args) != 1 { | ||
| return nil, fmt.Errorf("execute request: invalid number of arguments of sink function, expected 1, got %d", len(args)) | ||
| } | ||
| payloadObj, ok := args[0].(*tengo.Map) | ||
| if !ok { | ||
| return nil, fmt.Errorf("execute request: invalid type of argument of sink function, expected map, got %T", args[0]) | ||
| } | ||
| payload, err := json.Marshal(tengo.ToInterface(payloadObj)) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("execute request: marshal payload: %w", err) | ||
| } | ||
| return nil, s.makeRequest(ctx, url, payload) | ||
| } | ||
| } |