litellm-rs 0.5.0

A high-performance AI Gateway written in Rust, providing OpenAI-compatible APIs with intelligent routing, load balancing, and enterprise features
Documentation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
//! File storage configuration

use serde::{Deserialize, Serialize};

/// File storage configuration
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct FileStorageConfig {
    /// Storage type (local, s3, etc.)
    #[serde(default = "default_file_storage_type")]
    pub storage_type: String,
    /// Local storage path
    #[serde(default)]
    pub local_path: Option<String>,
    /// S3 configuration
    #[serde(default)]
    pub s3: Option<S3Config>,
}

impl Default for FileStorageConfig {
    fn default() -> Self {
        Self {
            storage_type: "local".to_string(),
            local_path: None,
            s3: None,
        }
    }
}

fn default_file_storage_type() -> String {
    "local".to_string()
}

impl FileStorageConfig {
    /// Merge file storage configurations.
    pub fn merge(mut self, other: Self) -> Self {
        let default = Self::default();

        if !other.storage_type.is_empty() && other.storage_type != default.storage_type {
            self.storage_type = other.storage_type;
        }
        if other.local_path.is_some() {
            self.local_path = other.local_path;
        }
        if other.s3.is_some() {
            self.s3 = other.s3;
        }

        self
    }
}

/// S3 configuration
#[derive(Clone, Serialize, Deserialize)]
pub struct S3Config {
    /// S3 bucket name
    pub bucket: String,
    /// AWS region
    pub region: String,
    /// Access key ID
    pub access_key_id: String,
    /// Secret access key
    pub secret_access_key: String,
    /// Endpoint URL (for S3-compatible services)
    pub endpoint: Option<String>,
}

impl std::fmt::Debug for S3Config {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.debug_struct("S3Config")
            .field("bucket", &self.bucket)
            .field("region", &self.region)
            .field("access_key_id", &"***REDACTED***")
            .field("secret_access_key", &"***REDACTED***")
            .field("endpoint", &self.endpoint)
            .finish()
    }
}

/// Vector database configuration
#[derive(Clone, Serialize, Deserialize)]
pub struct VectorDbConfig {
    /// Vector DB type (pinecone, weaviate, etc.)
    pub db_type: String,
    /// Connection URL
    pub url: String,
    /// API key
    pub api_key: String,
    /// Index name
    pub index_name: String,
}

impl std::fmt::Debug for VectorDbConfig {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.debug_struct("VectorDbConfig")
            .field("db_type", &self.db_type)
            .field("url", &self.url)
            .field("api_key", &"***REDACTED***")
            .field("index_name", &self.index_name)
            .finish()
    }
}

impl Default for VectorDbConfig {
    fn default() -> Self {
        Self {
            db_type: "pinecone".to_string(),
            url: String::new(),
            api_key: String::new(),
            index_name: "default".to_string(),
        }
    }
}

/// Alerting configuration
#[derive(Clone, Serialize, Deserialize, Default)]
pub struct AlertingConfig {
    /// Enable alerting
    #[serde(default)]
    pub enabled: bool,
    /// Slack webhook URL
    pub slack_webhook: Option<String>,
    /// Email configuration
    pub email: Option<EmailConfig>,
}

impl std::fmt::Debug for AlertingConfig {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.debug_struct("AlertingConfig")
            .field("enabled", &self.enabled)
            .field(
                "slack_webhook",
                &self.slack_webhook.as_ref().map(|_| "***REDACTED***"),
            )
            .field("email", &self.email)
            .finish()
    }
}

/// Email configuration
#[derive(Clone, Serialize, Deserialize)]
pub struct EmailConfig {
    /// SMTP server
    pub smtp_server: String,
    /// SMTP port
    pub smtp_port: u16,
    /// Username
    pub username: String,
    /// Password
    pub password: String,
    /// From address
    pub from_address: String,
    /// To addresses
    pub to_addresses: Vec<String>,
}

impl std::fmt::Debug for EmailConfig {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.debug_struct("EmailConfig")
            .field("smtp_server", &self.smtp_server)
            .field("smtp_port", &self.smtp_port)
            .field("username", &self.username)
            .field("password", &"***REDACTED***")
            .field("from_address", &self.from_address)
            .field("to_addresses", &self.to_addresses)
            .finish()
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    // ==================== FileStorageConfig Tests ====================

    #[test]
    fn test_file_storage_config_default() {
        let config = FileStorageConfig::default();
        assert_eq!(config.storage_type, "local");
        // local_path is None by default; resolved to absolute path at runtime
        assert!(config.local_path.is_none());
        assert!(config.s3.is_none());
    }

    #[test]
    fn test_file_storage_config_local() {
        let config = FileStorageConfig {
            storage_type: "local".to_string(),
            local_path: Some("/var/data".to_string()),
            s3: None,
        };
        assert_eq!(config.storage_type, "local");
        assert_eq!(config.local_path, Some("/var/data".to_string()));
    }

    #[test]
    fn test_file_storage_config_s3() {
        let s3 = S3Config {
            bucket: "my-bucket".to_string(),
            region: "us-east-1".to_string(),
            access_key_id: "AKIAIOSFODNN7EXAMPLE".to_string(),
            secret_access_key: "secret".to_string(),
            endpoint: None,
        };

        let config = FileStorageConfig {
            storage_type: "s3".to_string(),
            local_path: None,
            s3: Some(s3),
        };
        assert_eq!(config.storage_type, "s3");
        assert!(config.s3.is_some());
    }

    #[test]
    fn test_file_storage_config_serialization() {
        let config = FileStorageConfig::default();
        let json = serde_json::to_value(&config).unwrap();
        assert_eq!(json["storage_type"], "local");
        assert!(json["local_path"].is_null());
    }

    #[test]
    fn test_file_storage_config_deserializes_partial_local_config() {
        let json = r#"{"local_path": "/configured/files"}"#;
        let config: FileStorageConfig = serde_json::from_str(json).unwrap();

        assert_eq!(config.storage_type, "local");
        assert_eq!(config.local_path, Some("/configured/files".to_string()));
        assert!(config.s3.is_none());
    }

    #[test]
    fn test_file_storage_config_clone() {
        let config = FileStorageConfig::default();
        let cloned = config.clone();
        assert_eq!(config.storage_type, cloned.storage_type);
    }

    #[test]
    fn test_file_storage_config_merge_local_path() {
        let base = FileStorageConfig::default();
        let other = FileStorageConfig {
            storage_type: "local".to_string(),
            local_path: Some("/configured/files".to_string()),
            s3: None,
        };

        let merged = base.merge(other);

        assert_eq!(merged.storage_type, "local");
        assert_eq!(merged.local_path, Some("/configured/files".to_string()));
    }

    // ==================== S3Config Tests ====================

    #[test]
    fn test_s3_config_structure() {
        let config = S3Config {
            bucket: "test-bucket".to_string(),
            region: "eu-west-1".to_string(),
            access_key_id: "access".to_string(),
            secret_access_key: "secret".to_string(),
            endpoint: Some("https://s3.custom.com".to_string()),
        };
        assert_eq!(config.bucket, "test-bucket");
        assert_eq!(config.region, "eu-west-1");
        assert!(config.endpoint.is_some());
    }

    #[test]
    fn test_s3_config_serialization() {
        let config = S3Config {
            bucket: "bucket".to_string(),
            region: "us-west-2".to_string(),
            access_key_id: "key".to_string(),
            secret_access_key: "secret".to_string(),
            endpoint: None,
        };
        let json = serde_json::to_value(&config).unwrap();
        assert_eq!(json["bucket"], "bucket");
        assert_eq!(json["region"], "us-west-2");
    }

    #[test]
    fn test_s3_config_deserialization() {
        let json = r#"{
            "bucket": "my-bucket",
            "region": "ap-southeast-1",
            "access_key_id": "AKIA...",
            "secret_access_key": "secret123"
        }"#;
        let config: S3Config = serde_json::from_str(json).unwrap();
        assert_eq!(config.bucket, "my-bucket");
        assert!(config.endpoint.is_none());
    }

    #[test]
    fn test_s3_config_clone() {
        let config = S3Config {
            bucket: "clone-test".to_string(),
            region: "us-east-1".to_string(),
            access_key_id: "key".to_string(),
            secret_access_key: "secret".to_string(),
            endpoint: None,
        };
        let cloned = config.clone();
        assert_eq!(config.bucket, cloned.bucket);
    }

    // ==================== VectorDbConfig Tests ====================

    #[test]
    fn test_vector_db_config_default() {
        let config = VectorDbConfig::default();
        assert_eq!(config.db_type, "pinecone");
        assert!(config.url.is_empty());
        assert!(config.api_key.is_empty());
        assert_eq!(config.index_name, "default");
    }

    #[test]
    fn test_vector_db_config_structure() {
        let config = VectorDbConfig {
            db_type: "weaviate".to_string(),
            url: "http://weaviate:8080".to_string(),
            api_key: "weaviate-key".to_string(),
            index_name: "embeddings".to_string(),
        };
        assert_eq!(config.db_type, "weaviate");
        assert_eq!(config.index_name, "embeddings");
    }

    #[test]
    fn test_vector_db_config_serialization() {
        let config = VectorDbConfig {
            db_type: "qdrant".to_string(),
            url: "http://qdrant:6333".to_string(),
            api_key: "qdrant-key".to_string(),
            index_name: "vectors".to_string(),
        };
        let json = serde_json::to_value(&config).unwrap();
        assert_eq!(json["db_type"], "qdrant");
        assert_eq!(json["url"], "http://qdrant:6333");
    }

    #[test]
    fn test_vector_db_config_clone() {
        let config = VectorDbConfig::default();
        let cloned = config.clone();
        assert_eq!(config.db_type, cloned.db_type);
    }

    // ==================== AlertingConfig Tests ====================

    #[test]
    fn test_alerting_config_default() {
        let config = AlertingConfig::default();
        assert!(!config.enabled);
        assert!(config.slack_webhook.is_none());
        assert!(config.email.is_none());
    }

    #[test]
    fn test_alerting_config_with_slack() {
        let config = AlertingConfig {
            enabled: true,
            slack_webhook: Some("https://hooks.slack.com/xxx".to_string()),
            email: None,
        };
        assert!(config.enabled);
        assert!(config.slack_webhook.is_some());
    }

    #[test]
    fn test_alerting_config_serialization() {
        let config = AlertingConfig {
            enabled: true,
            slack_webhook: Some("https://slack.webhook".to_string()),
            email: None,
        };
        let json = serde_json::to_value(&config).unwrap();
        assert_eq!(json["enabled"], true);
    }

    #[test]
    fn test_alerting_config_clone() {
        let config = AlertingConfig::default();
        let cloned = config.clone();
        assert_eq!(config.enabled, cloned.enabled);
    }

    // ==================== EmailConfig Tests ====================

    #[test]
    fn test_email_config_structure() {
        let config = EmailConfig {
            smtp_server: "smtp.example.com".to_string(),
            smtp_port: 587,
            username: "user@example.com".to_string(),
            password: "password".to_string(),
            from_address: "alerts@example.com".to_string(),
            to_addresses: vec!["admin@example.com".to_string()],
        };
        assert_eq!(config.smtp_server, "smtp.example.com");
        assert_eq!(config.smtp_port, 587);
        assert_eq!(config.to_addresses.len(), 1);
    }

    #[test]
    fn test_email_config_serialization() {
        let config = EmailConfig {
            smtp_server: "mail.test.com".to_string(),
            smtp_port: 465,
            username: "sender".to_string(),
            password: "pass".to_string(),
            from_address: "from@test.com".to_string(),
            to_addresses: vec!["to1@test.com".to_string(), "to2@test.com".to_string()],
        };
        let json = serde_json::to_value(&config).unwrap();
        assert_eq!(json["smtp_port"], 465);
        assert!(json["to_addresses"].is_array());
    }

    #[test]
    fn test_email_config_deserialization() {
        let json = r#"{
            "smtp_server": "smtp.gmail.com",
            "smtp_port": 587,
            "username": "user",
            "password": "pass",
            "from_address": "from@gmail.com",
            "to_addresses": ["to@gmail.com"]
        }"#;
        let config: EmailConfig = serde_json::from_str(json).unwrap();
        assert_eq!(config.smtp_server, "smtp.gmail.com");
        assert_eq!(config.smtp_port, 587);
    }

    #[test]
    fn test_email_config_clone() {
        let config = EmailConfig {
            smtp_server: "smtp.clone.com".to_string(),
            smtp_port: 25,
            username: "clone".to_string(),
            password: "pass".to_string(),
            from_address: "clone@test.com".to_string(),
            to_addresses: vec![],
        };
        let cloned = config.clone();
        assert_eq!(config.smtp_server, cloned.smtp_server);
    }
}