1 files changed, 74 insertions, 0 deletions
diff --git a/container-search/src/main/java/ai/vespa/llm/clients/ConfigurableLanguageModel.java b/container-search/src/main/java/ai/vespa/llm/clients/ConfigurableLanguageModel.java
new file mode 100644
index 00000000000..662d73d4e01
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+++ b/container-search/src/main/java/ai/vespa/llm/clients/ConfigurableLanguageModel.java
@@ -0,0 +1,74 @@
+// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package ai.vespa.llm.clients;
+
+import ai.vespa.llm.InferenceParameters;
+import ai.vespa.llm.LanguageModel;
+import ai.vespa.llm.LlmClientConfig;
+import com.yahoo.api.annotations.Beta;
+import com.yahoo.component.annotation.Inject;
+import com.yahoo.container.jdisc.secretstore.SecretStore;
+
+import java.util.logging.Logger;
+
+
+/**
+ * Base class for language models that can be configured with config definitions.
+ *
+ * @author lesters
+ */
+@Beta
+public abstract class ConfigurableLanguageModel implements LanguageModel {
+
+    private static Logger log = Logger.getLogger(ai.vespa.llm.clients.ConfigurableLanguageModel.class.getName());
+
+    private final String apiKey;
+    private final String endpoint;
+
+    public ConfigurableLanguageModel() {
+        this.apiKey = null;
+        this.endpoint = null;
+    }
+
+    @Inject
+    public ConfigurableLanguageModel(LlmClientConfig config, SecretStore secretStore) {
+        this.apiKey = findApiKeyInSecretStore(config.apiKeySecretName(), secretStore);
+        this.endpoint = config.endpoint();
+    }
+
+    private static String findApiKeyInSecretStore(String property, SecretStore secretStore) {
+        String apiKey = "";
+        if (property != null && ! property.isEmpty()) {
+            try {
+                apiKey = secretStore.getSecret(property);
+            } catch (UnsupportedOperationException e) {
+                // Secret store is not available - silently ignore this
+            } catch (Exception e) {
+                log.warning("Secret store look up failed: " + e.getMessage() + "\n" +
+                        "Will expect API key in request header");
+            }
+        }
+        return apiKey;
+    }
+
+    protected String getApiKey(InferenceParameters params) {
+        return params.getApiKey().orElse(null);
+    }
+
+    /**
+     * Set the API key as retrieved from secret store if it is not already set
+     */
+    protected void setApiKey(InferenceParameters params) {
+        if (params.getApiKey().isEmpty() && apiKey != null) {
+            params.setApiKey(apiKey);
+        }
+    }
+
+    protected String getEndpoint() {
+        return endpoint;
+    }
+
+    protected void setEndpoint(InferenceParameters params) {
+        params.setEndpoint(endpoint);
+    }
+
+}