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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| steps: | ||
| - name: run query | ||
| executor: jq | ||
| command: '{(.id): .["10"].b}' | ||
| script: | | ||
| {"id": "sample", "10": {"b": 42}} | ||
| - name: format json | ||
| executor: jq | ||
| script: | | ||
| {"id": "sample", "10": {"b": 42}} |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package executor | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
|
|
||
| "github.com/itchyny/gojq" | ||
| "github.com/yohamta/dagu/internal/dag" | ||
| ) | ||
|
|
||
| type JqExecutor struct { | ||
| stdout io.Writer | ||
| stderr io.Writer | ||
| query string | ||
| input map[string]interface{} | ||
| } | ||
|
|
||
| func (e *JqExecutor) SetStdout(out io.Writer) { | ||
| e.stdout = out | ||
| } | ||
|
|
||
| func (e *JqExecutor) SetStderr(out io.Writer) { | ||
| e.stderr = out | ||
| } | ||
|
|
||
| func (e *JqExecutor) Kill(sig os.Signal) error { | ||
| return nil | ||
| } | ||
|
|
||
| func (e *JqExecutor) Run() error { | ||
| query, err := gojq.Parse(e.query) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| iter := query.Run(e.input) | ||
| for { | ||
| v, ok := iter.Next() | ||
| if !ok { | ||
| break | ||
| } | ||
| if err, ok := v.(error); ok { | ||
| e.stderr.Write([]byte(fmt.Sprintf("%#v", err))) | ||
| continue | ||
| } | ||
| val, err := json.MarshalIndent(v, "", " ") | ||
| if err != nil { | ||
| e.stderr.Write([]byte(fmt.Sprintf("%#v", err))) | ||
| continue | ||
| } | ||
| e.stdout.Write(val) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func CreateJqExecutor(ctx context.Context, step *dag.Step) (Executor, error) { | ||
| s := os.ExpandEnv(step.Script) | ||
| input := map[string]interface{}{} | ||
| if err := json.Unmarshal([]byte(s), &input); err != nil { | ||
| return nil, err | ||
| } | ||
| return &JqExecutor{ | ||
| stdout: os.Stdout, | ||
| input: input, | ||
| query: step.CmdWithArgs, | ||
| }, nil | ||
| } | ||
|
|
||
| func init() { | ||
| Register("jq", CreateJqExecutor) | ||
| } |