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[cli] Add Commands to create an application from an archetype (LangSt…
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125 changes: 125 additions & 0 deletions
125
...am-cli/src/main/java/ai/langstream/cli/commands/archetypes/CreateAppFromArchetypeCmd.java
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| /* | ||
| * Copyright DataStax, Inc. | ||
| * | ||
| * 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. | ||
| */ | ||
| package ai.langstream.cli.commands.archetypes; | ||
|
|
||
| import ai.langstream.admin.client.AdminClient; | ||
| import com.fasterxml.jackson.core.type.TypeReference; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import lombok.SneakyThrows; | ||
| import picocli.CommandLine; | ||
|
|
||
| @CommandLine.Command( | ||
| name = "create-application", | ||
| header = "Create an application from an archetype") | ||
| public class CreateAppFromArchetypeCmd extends BaseArchetypeCmd { | ||
|
|
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| private static final ObjectMapper mapper = new ObjectMapper(); | ||
|
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| @CommandLine.Parameters(description = "Name of the application") | ||
| private String name; | ||
|
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| @CommandLine.Option( | ||
| names = {"-a", "--archetype"}, | ||
| description = "Id of the archetype to use") | ||
| private String archetypeId; | ||
|
|
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| @CommandLine.Option( | ||
| names = {"-pf", "--parameters-file"}, | ||
| description = "File that contains the parameters to use for the application") | ||
| private String parametersFile; | ||
|
|
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| @CommandLine.Option( | ||
| names = {"-p", "--parameters"}, | ||
| description = "Parameters, in JSON format") | ||
| private String parameters; | ||
|
|
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| @CommandLine.Option( | ||
| names = {"--dry-run"}, | ||
| description = | ||
| "Dry-run mode. Do not deploy the application but only resolves placeholders and display the result.") | ||
| private boolean dryRun; | ||
|
|
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| @CommandLine.Option( | ||
| names = {"-o"}, | ||
| description = | ||
| "Output format for dry-run mode. Formats are: yaml, json. Default value is yaml.") | ||
| private Formats format = Formats.yaml; | ||
|
|
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| Formats format() { | ||
| ensureFormatIn(format, Formats.json, Formats.yaml); | ||
| return format; | ||
| } | ||
|
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| @Override | ||
| @SneakyThrows | ||
| public void run() { | ||
| Map<String, Object> parametersFromFile = readParametersFromFile(parametersFile); | ||
| Map<String, Object> parametersFromCommandLine = readParameters(parameters); | ||
| Map<String, Object> finalParameters = new HashMap<>(); | ||
| finalParameters.putAll(parametersFromFile); | ||
| finalParameters.putAll(parametersFromCommandLine); | ||
|
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| AdminClient client = getClient(); | ||
| // verify archetype exists | ||
| client.archetypes().get(archetypeId); | ||
|
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| final String response = | ||
| client.applications() | ||
| .deployFromArchetype(name, archetypeId, finalParameters, dryRun); | ||
| if (dryRun) { | ||
| final Formats format = format(); | ||
| print(format == Formats.raw ? Formats.yaml : format, response, null, null); | ||
| } else { | ||
| log(String.format("application %s deployed", name)); | ||
| } | ||
| } | ||
|
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| private Map<String, Object> readParametersFromFile(String parametersFile) { | ||
| if (parametersFile == null || parametersFile.isEmpty()) { | ||
| return Map.of(); | ||
| } | ||
| final File file = new File(parametersFile); | ||
| if (!file.exists()) { | ||
| throw new IllegalArgumentException("File " + parametersFile + " does not exist"); | ||
| } | ||
| try { | ||
| return mapper.readValue(file, new TypeReference<Map<String, Object>>() {}); | ||
| } catch (IOException err) { | ||
| throw new IllegalArgumentException( | ||
| "Cannot parse parameters file " | ||
| + file.getAbsolutePath() | ||
| + ": " | ||
| + err.getMessage(), | ||
| err); | ||
| } | ||
| } | ||
|
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| private Map<String, Object> readParameters(String parameters) { | ||
| if (parameters == null || parameters.isEmpty()) { | ||
| return Map.of(); | ||
| } | ||
| try { | ||
| return mapper.readValue(parameters, new TypeReference<Map<String, Object>>() {}); | ||
| } catch (IOException err) { | ||
| throw new IllegalArgumentException( | ||
| "Cannot parse parameters " + parameters + ": " + err.getMessage(), err); | ||
| } | ||
| } | ||
| } |
35 changes: 35 additions & 0 deletions
35
langstream-cli/src/main/java/ai/langstream/cli/commands/archetypes/GetArchetypeCmd.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| /* | ||
| * Copyright DataStax, Inc. | ||
| * | ||
| * 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. | ||
| */ | ||
| package ai.langstream.cli.commands.archetypes; | ||
|
|
||
| import lombok.SneakyThrows; | ||
| import picocli.CommandLine; | ||
|
|
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| @CommandLine.Command(name = "get", header = "Get the metadata about an archetype") | ||
| public class GetArchetypeCmd extends BaseArchetypeCmd { | ||
|
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| @CommandLine.Option( | ||
| names = {"-a", "--archetype"}, | ||
| description = "Id of the archetype to get") | ||
| private String archetypeId; | ||
|
|
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| @Override | ||
| @SneakyThrows | ||
| public void run() { | ||
| final String body = getClient().archetypes().get(archetypeId); | ||
| log(body); | ||
| } | ||
| } |
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22 changes: 22 additions & 0 deletions
22
langstream-webservice/src/test/website-qa-chatbot-parameters-example.json
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| { | ||
| "website-url": ["https://docs.langstream.ai"], | ||
| "website-crawler-depth": 2, | ||
| "embeddings-model": "some-model", | ||
| "access-key": "sdfsf", | ||
| "chat-completion-model":"chat-completion-model", | ||
| "llm-prompt": [ | ||
| { "role": "system", | ||
| "content": "bla bla bla"}, | ||
| { "role": "user", | ||
| "content": "{{ value.question }}"} | ||
| ], | ||
| "astra-database": "some database", | ||
| "astra-client-id": "dsfdf", | ||
| "astra-client-secret": "fsfsdsfs", | ||
| "astra-token": "sdfsdfs", | ||
| "s3-bucket": "busdfsdfsf", | ||
| "s3-access-key": "sdfsdf", | ||
| "kafka-bootstrap-servers": "localhost:9092", | ||
| "kafka-username": "sdfsdf", | ||
| "kafka-password": "kafsdfffdf" | ||
| } |