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
|
use std::{path::PathBuf, sync::Arc};
use diesel::{PgConnection, QueryResult};
use planetwars_matchrunner::{self as runner, docker_runner::DockerBotSpec, BotSpec, MatchConfig};
use runner::MatchOutcome;
use tokio::task::JoinHandle;
use crate::{
db::{
self,
matches::{MatchData, MatchResult},
},
util::gen_alphanumeric,
ConnectionPool, GlobalConfig, BOTS_DIR, MAPS_DIR, MATCHES_DIR,
};
pub struct RunMatch {
log_file_name: String,
players: Vec<MatchPlayer>,
runner_config: Arc<GlobalConfig>,
}
pub enum MatchPlayer {
BotVersion {
bot: Option<db::bots::Bot>,
version: db::bots::BotVersion,
},
BotSpec {
spec: Box<dyn BotSpec>,
},
}
impl RunMatch {
pub fn from_players(runner_config: Arc<GlobalConfig>, players: Vec<MatchPlayer>) -> Self {
let log_file_name = format!("{}.log", gen_alphanumeric(16));
RunMatch {
runner_config,
log_file_name,
players,
}
}
fn into_runner_config(self) -> runner::MatchConfig {
runner::MatchConfig {
map_path: PathBuf::from(MAPS_DIR).join("hex.json"),
map_name: "hex".to_string(),
log_path: PathBuf::from(MATCHES_DIR).join(&self.log_file_name),
players: self
.players
.into_iter()
.map(|player| runner::MatchPlayer {
bot_spec: match player {
MatchPlayer::BotVersion { bot, version } => {
bot_version_to_botspec(&self.runner_config, bot.as_ref(), &version)
}
MatchPlayer::BotSpec { spec } => spec,
},
})
.collect(),
}
}
pub async fn run(
self,
conn_pool: ConnectionPool,
) -> QueryResult<(MatchData, JoinHandle<MatchOutcome>)> {
let match_data = {
// TODO: it would be nice to get an already-open connection here when possible.
// Maybe we need an additional abstraction, bundling a connection and connection pool?
let db_conn = conn_pool.get().await.expect("could not get a connection");
self.store_in_database(&db_conn)?
};
let runner_config = self.into_runner_config();
let handle = tokio::spawn(run_match_task(conn_pool, runner_config, match_data.base.id));
Ok((match_data, handle))
}
fn store_in_database(&self, db_conn: &PgConnection) -> QueryResult<MatchData> {
let new_match_data = db::matches::NewMatch {
state: db::matches::MatchState::Playing,
log_path: &self.log_file_name,
};
let new_match_players = self
.players
.iter()
.map(|p| db::matches::MatchPlayerData {
code_bundle_id: match p {
MatchPlayer::BotVersion { version, .. } => Some(version.id),
MatchPlayer::BotSpec { .. } => None,
},
})
.collect::<Vec<_>>();
db::matches::create_match(&new_match_data, &new_match_players, db_conn)
}
}
pub fn bot_version_to_botspec(
runner_config: &Arc<GlobalConfig>,
bot: Option<&db::bots::Bot>,
bot_version: &db::bots::BotVersion,
) -> Box<dyn BotSpec> {
if let Some(code_bundle_path) = &bot_version.code_bundle_path {
python_docker_bot_spec(runner_config, code_bundle_path)
} else if let (Some(container_digest), Some(bot)) = (&bot_version.container_digest, bot) {
Box::new(DockerBotSpec {
image: format!(
"{}/{}@{}",
runner_config.container_registry_url, bot.name, container_digest
),
binds: None,
argv: None,
working_dir: None,
})
} else {
// TODO: ideally this would not be possible
panic!("bad bot version")
}
}
fn python_docker_bot_spec(
runner_config: &Arc<GlobalConfig>,
code_bundle_path: &str,
) -> Box<dyn BotSpec> {
let code_bundle_rel_path = PathBuf::from(BOTS_DIR).join(code_bundle_path);
let code_bundle_abs_path = std::fs::canonicalize(&code_bundle_rel_path).unwrap();
let code_bundle_path_str = code_bundle_abs_path.as_os_str().to_str().unwrap();
// TODO: it would be good to simplify this configuration
Box::new(DockerBotSpec {
image: runner_config.python_runner_image.clone(),
binds: Some(vec![format!("{}:{}", code_bundle_path_str, "/workdir")]),
argv: Some(vec!["python".to_string(), "bot.py".to_string()]),
working_dir: Some("/workdir".to_string()),
})
}
async fn run_match_task(
connection_pool: ConnectionPool,
match_config: MatchConfig,
match_id: i32,
) -> MatchOutcome {
let outcome = runner::run_match(match_config).await;
// update match state in database
let conn = connection_pool
.get()
.await
.expect("could not get database connection");
let result = MatchResult::Finished {
winner: outcome.winner.map(|w| (w - 1) as i32), // player numbers in matchrunner start at 1
};
db::matches::save_match_result(match_id, result, &conn).expect("could not save match result");
outcome
}
|
