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Merge pull request #917 from ripienaar/registry
Adds a basic schema registry to be used to assist client developers
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| // Copyright 2023 The NATS Authors | ||
| // 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 | ||
| // | ||
| // http://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. | ||
|
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| package cli | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
|
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| "github.com/choria-io/fisk" | ||
| "github.com/nats-io/jsm.go/registry" | ||
| "github.com/nats-io/nats.go" | ||
| ) | ||
|
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| type schemaRegistryCmd struct { | ||
| nc *nats.Conn | ||
| prefix string | ||
| } | ||
|
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| func configureSchemaRegistryCommand(schema *fisk.CmdClause) { | ||
| c := &schemaRegistryCmd{} | ||
|
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| reg := schema.Command("registry", "Starts a Schema Registry Service").Hidden().Action(c.registryAction) | ||
| reg.Flag("prefix", "Subject prefix to host the service on").Default("nats.schema.registry").StringVar(&c.prefix) | ||
| } | ||
|
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| func (c *schemaRegistryCmd) registryAction(_ *fisk.ParseContext) error { | ||
| var err error | ||
| c.nc, _, err = prepareHelper("", natsOpts()...) | ||
| if err != nil { | ||
| return fmt.Errorf("setup failed: %v", err) | ||
| } | ||
|
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| reg, err := registry.New(c.nc, c.prefix, new(SchemaValidator), nil) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| cols := newColumns("NATS CLI Schema Registry waiting for requests on %s", c.nc.ConnectedUrlRedacted()) | ||
| cols.AddSectionTitle("Listening Subjects") | ||
| cols.AddRow(fmt.Sprintf("%s.validate", c.prefix), "Schema Validation") | ||
| cols.AddRow(fmt.Sprintf("%s.lookup", c.prefix), "Schema Lookup") | ||
| cols.AddRow(fmt.Sprintf("%s.jetstream", c.prefix), "JetStream Proxy") | ||
| cols.AddSectionTitle("Requests Log") | ||
| cols.Frender(os.Stdout) | ||
|
|
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| err = reg.Start(ctx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } |
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