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Support Ollama APIs for model management
* Extend the OllamaApi to support listing, copying, deleting, and pulling models programmatically. * Improve setup for integration testing with Ollama and Testcontainers. Enables gh-526 Signed-off-by: Thomas Vitale <[email protected]>
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20 files changed

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‎models/spring-ai-ollama/src/main/java/org/springframework/ai/ollama/api/OllamaApi.java

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@@ -29,7 +29,9 @@
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import org.springframework.ai.observation.conventions.AiProvider;
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import org.springframework.boot.context.properties.bind.ConstructorBinding;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpMethod;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.http.client.ClientHttpResponse;
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import org.springframework.util.Assert;
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import org.springframework.util.StreamUtils;
@@ -803,5 +805,159 @@ public EmbeddingResponse embeddings(EmbeddingRequest embeddingRequest) {
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.body(EmbeddingResponse.class);
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}
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// --------------------------------------------------------------------------
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// Models
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// --------------------------------------------------------------------------
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@JsonInclude(Include.NON_NULL)
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public record Model(
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@JsonProperty("name") String name,
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@JsonProperty("model") String model,
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@JsonProperty("modified_at") Instant modifiedAt,
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@JsonProperty("size") Long size,
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@JsonProperty("digest") String digest,
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@JsonProperty("details") Details details
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) {
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@JsonInclude(Include.NON_NULL)
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public record Details(
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@JsonProperty("parent_model") String parentModel,
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@JsonProperty("format") String format,
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@JsonProperty("family") String family,
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@JsonProperty("families") List<String> families,
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@JsonProperty("parameter_size") String parameterSize,
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@JsonProperty("quantization_level") String quantizationLevel
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) {}
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}
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@JsonInclude(Include.NON_NULL)
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public record ListModelResponse(
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@JsonProperty("models") List<Model> models
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) {}
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/**
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* List models that are available locally on the machine where Ollama is running.
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*/
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public ListModelResponse listModels() {
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return this.restClient.get()
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.uri("/api/tags")
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.retrieve()
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.onStatus(this.responseErrorHandler)
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.body(ListModelResponse.class);
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}
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@JsonInclude(Include.NON_NULL)
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public record ShowModelRequest(
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@JsonProperty("model") String model,
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@JsonProperty("system") String system,
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@JsonProperty("verbose") Boolean verbose,
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@JsonProperty("options") Map<String, Object> options
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) {
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public ShowModelRequest(String model) {
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this(model, null, null, null);
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}
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}
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@JsonInclude(Include.NON_NULL)
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public record ShowModelResponse(
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@JsonProperty("license") String license,
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@JsonProperty("modelfile") String modelfile,
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@JsonProperty("parameters") String parameters,
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@JsonProperty("template") String template,
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@JsonProperty("system") String system,
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@JsonProperty("details") Model.Details details,
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@JsonProperty("messages") List<Message> messages,
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@JsonProperty("model_info") Map<String, Object> modelInfo,
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@JsonProperty("projector_info") Map<String, Object> projectorInfo,
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@JsonProperty("modified_at") Instant modifiedAt
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) {}
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/**
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* Show information about a model available locally on the machine where Ollama is running.
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*/
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public ShowModelResponse showModel(ShowModelRequest showModelRequest) {
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return this.restClient.post()
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.uri("/api/show")
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.body(showModelRequest)
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.retrieve()
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.onStatus(this.responseErrorHandler)
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.body(ShowModelResponse.class);
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}
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@JsonInclude(Include.NON_NULL)
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public record CopyModelRequest(
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@JsonProperty("source") String source,
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@JsonProperty("destination") String destination
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) {}
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/**
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* Copy a model. Creates a model with another name from an existing model.
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*/
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public ResponseEntity<Void> copyModel(CopyModelRequest copyModelRequest) {
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return this.restClient.post()
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.uri("/api/copy")
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.body(copyModelRequest)
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.retrieve()
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.onStatus(this.responseErrorHandler)
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.toBodilessEntity();
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}
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@JsonInclude(Include.NON_NULL)
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public record DeleteModelRequest(
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@JsonProperty("model") String model
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) {}
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/**
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* Delete a model and its data.
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*/
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public ResponseEntity<Void> deleteModel(DeleteModelRequest deleteModelRequest) {
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return this.restClient.method(HttpMethod.DELETE)
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.uri("/api/delete")
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.body(deleteModelRequest)
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.retrieve()
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.onStatus(this.responseErrorHandler)
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.toBodilessEntity();
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}
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@JsonInclude(Include.NON_NULL)
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public record PullModelRequest(
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@JsonProperty("model") String model,
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@JsonProperty("insecure") Boolean insecure,
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@JsonProperty("username") String username,
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@JsonProperty("password") String password,
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@JsonProperty("stream") Boolean stream
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) {
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public PullModelRequest {
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if (stream != null && stream) {
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logger.warn("Streaming when pulling models is not supported yet");
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}
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stream = false;
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}
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public PullModelRequest(String model) {
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this(model, null, null, null, null);
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}
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}
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@JsonInclude(Include.NON_NULL)
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public record ProgressResponse(
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@JsonProperty("status") String status,
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@JsonProperty("digest") String digest,
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@JsonProperty("total") Long total,
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@JsonProperty("completed") Long completed
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) {}
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/**
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* Download a model from the Ollama library. Cancelled pulls are resumed from where they left off,
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* and multiple calls will share the same download progress.
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*/
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public ProgressResponse pullModel(PullModelRequest pullModelRequest) {
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return this.restClient.post()
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.uri("/api/pull")
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.body(pullModelRequest)
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.retrieve()
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.onStatus(this.responseErrorHandler)
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.body(ProgressResponse.class);
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}
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}
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// @formatter:on

‎models/spring-ai-ollama/src/test/java/org/springframework/ai/ollama/BaseOllamaIT.java

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@@ -1,9 +1,17 @@
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package org.springframework.ai.ollama;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.ai.ollama.api.OllamaApi;
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import org.testcontainers.ollama.OllamaContainer;
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public class BaseOllamaIT {
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private static final Logger logger = LoggerFactory.getLogger(BaseOllamaIT.class);
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// Toggle for running tests locally on native Ollama for a faster feedback loop.
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private static final boolean useTestcontainers = true;
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public static final OllamaContainer ollamaContainer;
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static {
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/**
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* Change the return value to false in order to run multiple Ollama IT tests locally
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* reusing the same container image Also add the entry
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* reusing the same container image.
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*
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* Also, add the entry
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*
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* testcontainers.reuse.enable=true
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*
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* to the file .testcontainers.properties located in your home directory
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* to the file ".testcontainers.properties" located in your home directory
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*/
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public static boolean isDisabled() {
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return true;
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}
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public static OllamaApi buildOllamaApiWithModel(String model) {
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var baseUrl = "http://localhost:11434";
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if (useTestcontainers) {
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baseUrl = "http://" + ollamaContainer.getHost() + ":" + ollamaContainer.getMappedPort(11434);
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}
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var ollamaApi = new OllamaApi(baseUrl);
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ensureModelIsPresent(ollamaApi, model);
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return ollamaApi;
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}
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public static void ensureModelIsPresent(OllamaApi ollamaApi, String model) {
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logger.info("Start pulling the '{}' model. The operation can take several minutes...", model);
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ollamaApi.pullModel(new OllamaApi.PullModelRequest(model));
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logger.info("Completed pulling the '{}' model", model);
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}
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}

‎models/spring-ai-ollama/src/test/java/org/springframework/ai/ollama/OllamaChatModelFunctionCallingIT.java

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*/
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package org.springframework.ai.ollama;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Disabled;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.condition.DisabledIf;
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import org.testcontainers.junit.jupiter.Testcontainers;
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import reactor.core.publisher.Flux;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.stream.Collectors;
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private static final Logger logger = LoggerFactory.getLogger(OllamaChatModelFunctionCallingIT.class);
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private static final String MODEL = OllamaModel.MISTRAL.getName();
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static String baseUrl = "http://localhost:11434";
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@BeforeAll
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public static void beforeAll() throws IOException, InterruptedException {
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logger.info("Start pulling the '" + MODEL + " ' generative ... would take several minutes ...");
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ollamaContainer.execInContainer("ollama", "pull", MODEL);
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logger.info(MODEL + " pulling competed!");
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baseUrl = "http://" + ollamaContainer.getHost() + ":" + ollamaContainer.getMappedPort(11434);
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}
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private static final String MODEL = OllamaModel.LLAMA3_2.getName();
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@Autowired
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ChatModel chatModel;
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@Test
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void functionCallTest() {
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UserMessage userMessage = new UserMessage(
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"What's the weather like in San Francisco, Tokyo, and Paris? Return temperatures in Celsius.");
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@Disabled("Ollama API does not support streaming function calls yet")
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@Test
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void streamFunctionCallTest() {
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UserMessage userMessage = new UserMessage(
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"What's the weather like in San Francisco, Tokyo, and Paris? Return temperatures in Celsius.");
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@Bean
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public OllamaApi ollamaApi() {
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return new OllamaApi(baseUrl);
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return buildOllamaApiWithModel(MODEL);
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}
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@Bean

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