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feat: and 1st-class support for expand and flatten
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| package v1alpha1 | ||
|
|
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| import ( | ||
| corev1 "k8s.io/api/core/v1" | ||
| ) | ||
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| type Expand struct{} | ||
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| func (m *Expand) getContainer(req getContainerReq) corev1.Container { | ||
| return corev1.Container{ | ||
| Name: CtrMain, | ||
| Image: req.runnerImage, | ||
| ImagePullPolicy: req.imagePullPolicy, | ||
| Args: []string{"expand"}, | ||
| VolumeMounts: []corev1.VolumeMount{req.volumeMount}, | ||
| Resources: SmallResourceRequirements, | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| package v1alpha1 | ||
|
|
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| import ( | ||
| corev1 "k8s.io/api/core/v1" | ||
| ) | ||
|
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| type Flatten struct{} | ||
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| func (m *Flatten) getContainer(req getContainerReq) corev1.Container { | ||
| return corev1.Container{ | ||
| Name: CtrMain, | ||
| Image: req.runnerImage, | ||
| ImagePullPolicy: req.imagePullPolicy, | ||
| Args: []string{"flatten"}, | ||
| VolumeMounts: []corev1.VolumeMount{req.volumeMount}, | ||
| Resources: SmallResourceRequirements, | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| apiVersion: dataflow.argoproj.io/v1alpha1 | ||
| kind: Pipeline | ||
| metadata: | ||
| annotations: | ||
| dataflow.argoproj.io/description: | | ||
| This is an example of built-in flattening and expanding. | ||
| dataflow.argoproj.io/name: Flatten and expand | ||
| creationTimestamp: null | ||
| name: flatten-expand | ||
| spec: | ||
| steps: | ||
| - map: | | ||
| bytes('{"foo": {"bar": "' + string(msg) + '"}}') | ||
| name: generate | ||
| sinks: | ||
| - stan: | ||
| subject: data | ||
| sources: | ||
| - cron: | ||
| layout: "15:04:05" | ||
| schedule: '*/3 * * * * *' | ||
| - flatten: {} | ||
| name: flatten | ||
| sinks: | ||
| - stan: | ||
| subject: flattened | ||
| sources: | ||
| - stan: | ||
| subject: data | ||
| - expand: {} | ||
| name: expand | ||
| sinks: | ||
| - log: {} | ||
| sources: | ||
| - stan: | ||
| subject: flattened |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| package expand | ||
|
|
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| import ( | ||
| "context" | ||
| "encoding/json" | ||
|
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| "github.com/doublerebel/bellows" | ||
|
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| "github.com/argoproj-labs/argo-dataflow/runner/util" | ||
| ) | ||
|
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| func Exec(ctx context.Context) error { | ||
| return util.Do(ctx, func(msg []byte) ([][]byte, error) { | ||
| v := make(map[string]interface{}) | ||
| if err := json.Unmarshal(msg, &v); err != nil { | ||
| return nil, err | ||
| } | ||
| if data, err := json.Marshal(bellows.Expand(v)); err != nil { | ||
| return nil, err | ||
| } else { | ||
| return [][]byte{data}, nil | ||
| } | ||
| }) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| package flatten | ||
|
|
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| import ( | ||
| "context" | ||
| "encoding/json" | ||
|
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| "github.com/doublerebel/bellows" | ||
|
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| "github.com/argoproj-labs/argo-dataflow/runner/util" | ||
| ) | ||
|
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| func Exec(ctx context.Context) error { | ||
| return util.Do(ctx, func(msg []byte) ([][]byte, error) { | ||
| v := make(map[string]interface{}) | ||
| if err := json.Unmarshal(msg, &v); err != nil { | ||
| return nil, err | ||
| } | ||
| if data, err := json.Marshal(bellows.Flatten(v)); err != nil { | ||
| return nil, err | ||
| } else { | ||
| return [][]byte{data}, nil | ||
| } | ||
| }) | ||
| } |
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