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
use std::collections::{HashSet, VecDeque};
use std::str;
use std::time::Instant;
use anyhow::{bail, Context};
use async_trait::async_trait;
use aws_sdk_kinesis::Client as KinesisClient;
use itertools::Itertools;
use mz_aws_util::kinesis;
use crate::action::{Action, State};
use crate::parser::BuiltinCommand;
pub struct VerifyAction {
stream_prefix: String,
expected_records: HashSet<String>,
}
pub fn build_verify(mut cmd: BuiltinCommand) -> Result<VerifyAction, anyhow::Error> {
let stream_prefix = cmd.args.string("stream")?;
cmd.args.done()?;
Ok(VerifyAction {
stream_prefix,
expected_records: cmd.input.into_iter().collect(),
})
}
#[async_trait]
impl Action for VerifyAction {
async fn undo(&self, _state: &mut State) -> Result<(), anyhow::Error> {
Ok(())
}
async fn redo(&self, state: &mut State) -> Result<(), anyhow::Error> {
let stream_name = format!("testdrive-{}-{}", self.stream_prefix, state.seed);
let mut shard_iterators = get_shard_iterators(&state.kinesis_client, &stream_name).await?;
let timer = Instant::now();
let mut records: HashSet<String> = HashSet::new();
while let Some(iterator) = shard_iterators.pop_front() {
if let Some(iterator) = &iterator {
let output = state
.kinesis_client
.get_records()
.shard_iterator(iterator)
.send()
.await
.context("getting Kinesis records")?;
for record in output.records.unwrap() {
records.insert(
String::from_utf8(record.data.unwrap().into_inner())
.context("converting Kinesis record bytes to string")?,
);
}
match output.millis_behind_latest {
Some(0) => (),
_ => shard_iterators.push_back(output.next_shard_iterator),
};
if timer.elapsed() > state.default_timeout {
bail!("timeout reading from Kinesis stream: {}", stream_name);
}
}
}
if records != self.expected_records {
let missing_records = &self.expected_records - &records;
let extra_records = &records - &self.expected_records;
bail!(
"kinesis records did not match:\nmissing:\n{}\nextra:\n{}",
missing_records.iter().join("\n"),
extra_records.iter().join("\n")
);
}
Ok(())
}
}
async fn get_shard_iterators(
kinesis_client: &KinesisClient,
stream_name: &str,
) -> Result<VecDeque<Option<String>>, anyhow::Error> {
let mut iterators: VecDeque<Option<String>> = VecDeque::new();
for shard_id in kinesis::get_shard_ids(kinesis_client, stream_name)
.await
.context("listing Kinesis shards")?
{
iterators.push_back(
kinesis::get_shard_iterator(kinesis_client, stream_name, &shard_id)
.await
.context("getting Kinesis shard iterator")?,
);
}
Ok(iterators)
}