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create_avro_schema.go
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create_avro_schema.go
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// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package schema
// [START pubsub_create_avro_schema]
import (
"context"
"fmt"
"io"
"os"
"cloud.google.com/go/pubsub"
)
// createAvroSchema creates a schema resource from a JSON-formatted Avro schema file.
func createAvroSchema(w io.Writer, projectID, schemaID, avscFile string) error {
// projectID := "my-project-id"
// schemaID := "my-schema"
// avscFile = "path/to/an/avro/schema/file(.avsc)/formatted/in/json"
ctx := context.Background()
client, err := pubsub.NewSchemaClient(ctx, projectID)
if err != nil {
return fmt.Errorf("pubsub.NewSchemaClient: %w", err)
}
defer client.Close()
avscSource, err := os.ReadFile(avscFile)
if err != nil {
return fmt.Errorf("error reading from file: %s", avscFile)
}
config := pubsub.SchemaConfig{
Type: pubsub.SchemaAvro,
Definition: string(avscSource),
}
s, err := client.CreateSchema(ctx, schemaID, config)
if err != nil {
return fmt.Errorf("CreateSchema: %w", err)
}
fmt.Fprintf(w, "Schema created: %#v\n", s)
return nil
}
// [END pubsub_create_avro_schema]