sonda 1.10.2

CLI for Sonda — synthetic telemetry generator for testing observability pipelines
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

//! Smoke tests for critical 1.9 examples.
//!
//! Runs the real sonda binary against example YAMLs.
//! Long-running examples use --duration to keep tests under ~20s.

mod common;

use std::path::PathBuf;
use std::process::Command;

use common::sonda_bin;

fn workspace_root() -> PathBuf {
    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
        .parent()
        .expect("sonda crate must have a parent workspace directory")
        .to_path_buf()
}

fn example(name: &str) -> PathBuf {
    workspace_root().join("examples").join(name)
}

fn fixtures_packs_dir() -> PathBuf {
    workspace_root().join("sonda-core/tests/fixtures/packs")
}

// ---- basic-metrics.yaml -------------------------------------------------------

#[test]
fn example_basic_metrics_runs_and_emits_prometheus_text() {
    let output = Command::new(sonda_bin())
        .current_dir(workspace_root())
        .args(["--quiet", "run"])
        .arg(example("basic-metrics.yaml"))
        .args(["--duration", "200ms"])
        .output()
        .expect("sonda binary must launch");
    assert!(
        output.status.success(),
        "exit 0 expected; stderr: {}",
        String::from_utf8_lossy(&output.stderr)
    );
    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(!stdout.is_empty(), "basic-metrics must emit to stdout");
    assert!(
        stdout.contains("interface_oper_state"),
        "must emit metric name in stdout; got: {stdout}"
    );
    let data_lines = stdout
        .lines()
        .filter(|l| !l.is_empty() && !l.starts_with('#'))
        .count();
    assert!(data_lines > 0, "must emit at least one metric line");
}

// ---- csv-replay-metrics.yaml --------------------------------------------------

#[test]
fn example_csv_replay_metrics_runs_and_emits_csv_values() {
    let output = Command::new(sonda_bin())
        .current_dir(workspace_root())
        .args(["--quiet", "run"])
        .arg(example("csv-replay-metrics.yaml"))
        .args(["--duration", "15s"])
        .output()
        .expect("sonda binary must launch");
    assert!(
        output.status.success(),
        "exit 0 expected; stderr: {}",
        String::from_utf8_lossy(&output.stderr)
    );
    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(!stdout.is_empty(), "csv-replay-metrics must emit to stdout");
    assert!(
        stdout.contains("cpu_replay"),
        "must emit cpu_replay metric; got: {stdout}"
    );
    // The CSV starts at 12.3 then 14.1 -- verify actual values are replayed.
    assert!(
        stdout.contains("12.3") || stdout.contains("14.1"),
        "must replay CSV values (12.3, 14.1, ...); got: {stdout}"
    );
}

// ---- log-csv-replay.yaml ------------------------------------------------------

#[test]
fn example_log_csv_replay_runs_and_emits_json_lines() {
    let output = Command::new(sonda_bin())
        .current_dir(workspace_root())
        .args(["--quiet", "run"])
        .arg(example("log-csv-replay.yaml"))
        .args(["--duration", "10s"])
        .output()
        .expect("sonda binary must launch");
    assert!(
        output.status.success(),
        "exit 0 expected; stderr: {}",
        String::from_utf8_lossy(&output.stderr)
    );
    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(
        !stdout.is_empty(),
        "log-csv-replay must emit to stdout; stderr: {}",
        String::from_utf8_lossy(&output.stderr)
    );
    for line in stdout.lines().filter(|l| !l.is_empty()) {
        let v: serde_json::Value =
            serde_json::from_str(line).expect("each log line must be valid JSON");
        assert!(v.get("timestamp").is_some(), "must have timestamp: {line}");
        assert!(v.get("message").is_some(), "must have message: {line}");
        assert!(v.get("severity").is_some(), "must have severity: {line}");
    }
    assert!(
        stdout.contains("GET /api/v1/health") || stdout.contains("POST /api/v1/events"),
        "must replay CSV messages; got: {stdout}"
    );
}

// ---- network-link-failure.yaml ------------------------------------------------

#[test]
fn example_network_link_failure_runs_multi_scenario_and_emits_all_metrics() {
    let output = Command::new(sonda_bin())
        .current_dir(workspace_root())
        .args(["--quiet", "run"])
        .arg(example("network-link-failure.yaml"))
        .args(["--duration", "3s"])
        .output()
        .expect("sonda binary must launch");
    assert!(
        output.status.success(),
        "exit 0 expected; stderr: {}",
        String::from_utf8_lossy(&output.stderr)
    );
    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(
        !stdout.is_empty(),
        "network-link-failure must emit to stdout"
    );
    // All 6 scenarios must emit at least one line.
    assert!(
        stdout.contains("interface_oper_state"),
        "must emit interface_oper_state"
    );
    assert!(
        stdout.contains("interface_in_octets"),
        "must emit interface_in_octets"
    );
    assert!(
        stdout.contains("interface_errors"),
        "must emit interface_errors"
    );
    assert!(
        stdout.contains("device_cpu_percent"),
        "must emit device_cpu_percent"
    );
    // Label propagation: the device label must appear in the output.
    assert!(
        stdout.contains("rtr-core-01"),
        "must include device rtr-core-01 in labels"
    );
}

// ---- pack-scenario.yaml via catalog -------------------------------------------

#[test]
fn example_pack_scenario_expands_via_catalog_and_emits_all_pack_metrics() {
    let catalog = fixtures_packs_dir();
    assert!(
        catalog.exists(),
        "fixtures packs dir must exist at: {}",
        catalog.display()
    );

    let output = Command::new(sonda_bin())
        .current_dir(workspace_root())
        .args(["--quiet", "--catalog"])
        .arg(&catalog)
        .args(["run"])
        .arg(example("pack-scenario.yaml"))
        .args(["--duration", "3s"])
        .output()
        .expect("sonda binary must launch");

    assert!(
        output.status.success(),
        "exit 0 expected; stderr: {}",
        String::from_utf8_lossy(&output.stderr)
    );
    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(!stdout.is_empty(), "pack-scenario must emit to stdout");
    // All 5 metrics from telegraf_snmp_interface must appear.
    assert!(stdout.contains("ifOperStatus"), "must emit ifOperStatus");
    assert!(stdout.contains("ifHCInOctets"), "must emit ifHCInOctets");
    assert!(stdout.contains("ifHCOutOctets"), "must emit ifHCOutOctets");
    assert!(stdout.contains("ifInErrors"), "must emit ifInErrors");
    assert!(stdout.contains("ifOutErrors"), "must emit ifOutErrors");
    // Labels from the pack entry must appear.
    assert!(
        stdout.contains("rtr-edge-01"),
        "must include rtr-edge-01 device label"
    );
    assert!(
        stdout.contains("snmp"),
        "must include job=snmp from pack shared_labels"
    );
    // The step generator produces strictly increasing values for ifHCInOctets.
    let step_values: Vec<f64> = stdout
        .lines()
        .filter(|l| l.contains("ifHCInOctets"))
        .filter_map(|l| {
            l.split("} ")
                .nth(1)
                .and_then(|r| r.split_whitespace().next())
                .and_then(|v| v.parse().ok())
        })
        .collect();
    assert!(
        step_values.len() >= 2,
        "must emit at least 2 ifHCInOctets samples; got: {step_values:?}"
    );
    assert!(
        step_values.windows(2).all(|w| w[1] > w[0]),
        "ifHCInOctets must produce strictly increasing values; got: {step_values:?}"
    );
}

// ---- histogram.yaml -----------------------------------------------------------

#[test]
fn example_histogram_emits_prometheus_histogram_triplet() {
    // histogram.yaml has duration: 10s -- run it to completion.
    let output = Command::new(sonda_bin())
        .current_dir(workspace_root())
        .args(["--quiet", "run"])
        .arg(example("histogram.yaml"))
        .output()
        .expect("sonda binary must launch");

    assert!(
        output.status.success(),
        "exit 0 expected; stderr: {}",
        String::from_utf8_lossy(&output.stderr)
    );
    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(!stdout.is_empty(), "histogram must emit to stdout");

    let bucket_lines: usize = stdout
        .lines()
        .filter(|l| l.contains("http_request_duration_seconds_bucket"))
        .count();
    let count_lines: usize = stdout
        .lines()
        .filter(|l| l.contains("http_request_duration_seconds_count"))
        .count();
    let sum_lines: usize = stdout
        .lines()
        .filter(|l| l.contains("http_request_duration_seconds_sum"))
        .count();

    assert!(bucket_lines > 0, "must emit _bucket series");
    assert!(count_lines > 0, "must emit _count series");
    assert!(sum_lines > 0, "must emit _sum series");

    // +Inf bucket value must equal _count at every tick.
    let inf_values: Vec<u64> = stdout
        .lines()
        .filter(|l| l.contains("+Inf"))
        .filter_map(|l| {
            l.split("} ")
                .nth(1)
                .and_then(|r| r.split_whitespace().next())
                .and_then(|v| v.parse().ok())
        })
        .collect();
    let count_values: Vec<u64> = stdout
        .lines()
        .filter(|l| l.contains("http_request_duration_seconds_count"))
        .filter_map(|l| {
            l.split("} ")
                .nth(1)
                .and_then(|r| r.split_whitespace().next())
                .and_then(|v| v.parse().ok())
        })
        .collect();
    assert!(
        !inf_values.is_empty() && inf_values == count_values,
        "+Inf bucket must equal _count; inf={inf_values:?} count={count_values:?}"
    );
}

// ---- log-template.yaml --------------------------------------------------------

#[test]
fn example_log_template_emits_structured_json_logs() {
    let output = Command::new(sonda_bin())
        .current_dir(workspace_root())
        .args(["--quiet", "run"])
        .arg(example("log-template.yaml"))
        .args(["--duration", "500ms"])
        .output()
        .expect("sonda binary must launch");

    assert!(
        output.status.success(),
        "exit 0 expected; stderr: {}",
        String::from_utf8_lossy(&output.stderr)
    );
    let stdout = String::from_utf8_lossy(&output.stdout);
    assert!(!stdout.is_empty(), "log-template must emit to stdout");
    let mut line_count = 0usize;
    for line in stdout.lines().filter(|l| !l.is_empty()) {
        line_count += 1;
        let v: serde_json::Value =
            serde_json::from_str(line).expect("each log line must be valid JSON");
        assert!(v.get("timestamp").is_some(), "must have timestamp: {line}");
        assert!(v.get("severity").is_some(), "must have severity: {line}");
        assert!(v.get("message").is_some(), "must have message: {line}");
    }
    assert!(line_count > 0, "must emit at least one log event");
}