forked from transact-rs/sqlx
-
Notifications
You must be signed in to change notification settings - Fork 17
Expand file tree
/
Copy pathlib.rs
More file actions
149 lines (135 loc) 路 4.5 KB
/
Copy pathlib.rs
File metadata and controls
149 lines (135 loc) 路 4.5 KB
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
use anyhow::Result;
use sqlx::{AnyConnection, Connection};
use std::future::Future;
use std::io;
use std::time::Duration;
use tokio::time::{sleep, Instant};
use crate::opt::{Command, ConnectOpts, DatabaseCommand, MigrateCommand};
mod database;
mod metadata;
// mod migration;
// mod migrator;
mod migrate;
mod opt;
mod prepare;
pub use crate::opt::Opt;
pub async fn run(opt: Opt) -> Result<()> {
match opt.command {
Command::Migrate(migrate) => match migrate.command {
MigrateCommand::Add {
source,
description,
reversible,
} => migrate::add(source.resolve(&migrate.source), &description, reversible).await?,
MigrateCommand::Run {
source,
dry_run,
ignore_missing,
connect_opts,
} => {
migrate::run(
source.resolve(&migrate.source),
&connect_opts,
dry_run,
*ignore_missing,
)
.await?
}
MigrateCommand::Revert {
source,
dry_run,
ignore_missing,
connect_opts,
} => {
migrate::revert(
source.resolve(&migrate.source),
&connect_opts,
dry_run,
*ignore_missing,
)
.await?
}
MigrateCommand::Info {
source,
connect_opts,
} => migrate::info(source.resolve(&migrate.source), &connect_opts).await?,
MigrateCommand::BuildScript { source, force } => {
migrate::build_script(source.resolve(&migrate.source), force)?
}
},
Command::Database(database) => match database.command {
DatabaseCommand::Create { connect_opts } => database::create(&connect_opts).await?,
DatabaseCommand::Drop {
confirmation,
connect_opts,
} => database::drop(&connect_opts, !confirmation.yes).await?,
DatabaseCommand::Reset {
confirmation,
source,
connect_opts,
} => database::reset(&source, &connect_opts, !confirmation.yes).await?,
DatabaseCommand::Setup {
source,
connect_opts,
} => database::setup(&source, &connect_opts).await?,
},
Command::Prepare {
check: false,
merged,
args,
connect_opts,
} => prepare::run(&connect_opts, merged, args).await?,
Command::Prepare {
check: true,
merged,
args,
connect_opts,
} => prepare::check(&connect_opts, merged, args).await?,
};
Ok(())
}
/// Attempt to connect to the database server, retrying up to `ops.connect_timeout`.
async fn connect(opts: &ConnectOpts) -> sqlx::Result<AnyConnection> {
retry_connect_errors(opts, AnyConnection::connect).await
}
/// Attempt an operation that may return errors like `ConnectionRefused`,
/// retrying up until `ops.connect_timeout`.
///
/// The closure is passed `&ops.database_url` for easy composition.
async fn retry_connect_errors<'a, F, Fut, T>(
opts: &'a ConnectOpts,
mut connect: F,
) -> sqlx::Result<T>
where
F: FnMut(&'a str) -> Fut,
Fut: Future<Output = sqlx::Result<T>> + 'a,
{
let deadline = Instant::now() + Duration::from_secs(opts.connect_timeout);
let mut delay = Duration::from_millis(50);
loop {
match connect(&opts.database_url).await {
Ok(value) => return Ok(value),
Err(error) if is_retriable_connect_error(&error) && Instant::now() < deadline => {
let sleep_for = delay.min(deadline.saturating_duration_since(Instant::now()));
if sleep_for.is_zero() {
return Err(error);
}
sleep(sleep_for).await;
delay = (delay + delay).min(Duration::from_secs(1));
}
Err(error) => return Err(error),
}
}
}
fn is_retriable_connect_error(error: &sqlx::Error) -> bool {
matches!(
error,
sqlx::Error::Io(ioe)
if matches!(
ioe.kind(),
io::ErrorKind::ConnectionRefused
| io::ErrorKind::ConnectionReset
| io::ErrorKind::ConnectionAborted
)
)
}