tsiry-sandratraina.com
Prepare, configure, and manage Firecracker microVMs in seconds!
virtualization
linux
microvm
firecracker
implement 'init' subcommand and support for 'fire.toml' config file
+124
-1
Cargo.lock
+124
-1
Cargo.lock
···
134
134
]
135
135
136
136
[[package]]
137
+
name = "equivalent"
138
+
version = "1.0.2"
139
+
source = "registry+https://github.com/rust-lang/crates.io-index"
140
+
checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
141
+
142
+
[[package]]
143
+
name = "fire-config"
144
+
version = "0.1.0"
145
+
dependencies = [
146
+
"anyhow",
147
+
"firecracker-prepare",
148
+
"num_cpus",
149
+
"owo-colors",
150
+
"serde",
151
+
"serde_yml",
152
+
"toml",
153
+
]
154
+
155
+
[[package]]
137
156
name = "firecracker-prepare"
138
157
version = "0.1.0"
139
158
dependencies = [
···
142
161
"libc",
143
162
"owo-colors",
144
163
"regex",
164
+
"serde",
145
165
]
146
166
147
167
[[package]]
···
159
179
dependencies = [
160
180
"anyhow",
161
181
"dirs",
182
+
"fire-config",
162
183
"firecracker-prepare",
163
184
"glob",
164
185
"libc",
···
169
190
170
191
[[package]]
171
192
name = "fireup"
172
-
version = "0.2.0"
193
+
version = "0.3.0"
173
194
dependencies = [
174
195
"anyhow",
175
196
"clap",
176
197
"dirs",
198
+
"fire-config",
177
199
"firecracker-prepare",
178
200
"firecracker-process",
179
201
"firecracker-vm",
···
200
222
checksum = "a8d1add55171497b4705a648c6b583acafb01d58050a51727785f0b2c8e0a2b2"
201
223
202
224
[[package]]
225
+
name = "hashbrown"
226
+
version = "0.15.4"
227
+
source = "registry+https://github.com/rust-lang/crates.io-index"
228
+
checksum = "5971ac85611da7067dbfcabef3c70ebb5606018acd9e2a3903a0da507521e0d5"
229
+
230
+
[[package]]
203
231
name = "hermit-abi"
204
232
version = "0.5.2"
205
233
source = "registry+https://github.com/rust-lang/crates.io-index"
206
234
checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
207
235
208
236
[[package]]
237
+
name = "indexmap"
238
+
version = "2.10.0"
239
+
source = "registry+https://github.com/rust-lang/crates.io-index"
240
+
checksum = "fe4cd85333e22411419a0bcae1297d25e58c9443848b11dc6a86fefe8c78a661"
241
+
dependencies = [
242
+
"equivalent",
243
+
"hashbrown",
244
+
]
245
+
246
+
[[package]]
209
247
name = "is_terminal_polyfill"
210
248
version = "1.70.1"
211
249
source = "registry+https://github.com/rust-lang/crates.io-index"
···
231
269
dependencies = [
232
270
"bitflags",
233
271
"libc",
272
+
]
273
+
274
+
[[package]]
275
+
name = "libyml"
276
+
version = "0.0.5"
277
+
source = "registry+https://github.com/rust-lang/crates.io-index"
278
+
checksum = "3302702afa434ffa30847a83305f0a69d6abd74293b6554c18ec85c7ef30c980"
279
+
dependencies = [
280
+
"anyhow",
281
+
"version_check",
234
282
]
235
283
236
284
[[package]]
···
364
412
]
365
413
366
414
[[package]]
415
+
name = "serde_spanned"
416
+
version = "1.0.0"
417
+
source = "registry+https://github.com/rust-lang/crates.io-index"
418
+
checksum = "40734c41988f7306bb04f0ecf60ec0f3f1caa34290e4e8ea471dcd3346483b83"
419
+
dependencies = [
420
+
"serde",
421
+
]
422
+
423
+
[[package]]
424
+
name = "serde_yml"
425
+
version = "0.0.12"
426
+
source = "registry+https://github.com/rust-lang/crates.io-index"
427
+
checksum = "59e2dd588bf1597a252c3b920e0143eb99b0f76e4e082f4c92ce34fbc9e71ddd"
428
+
dependencies = [
429
+
"indexmap",
430
+
"itoa",
431
+
"libyml",
432
+
"memchr",
433
+
"ryu",
434
+
"serde",
435
+
"version_check",
436
+
]
437
+
438
+
[[package]]
367
439
name = "strsim"
368
440
version = "0.11.1"
369
441
source = "registry+https://github.com/rust-lang/crates.io-index"
···
401
473
]
402
474
403
475
[[package]]
476
+
name = "toml"
477
+
version = "0.9.4"
478
+
source = "registry+https://github.com/rust-lang/crates.io-index"
479
+
checksum = "41ae868b5a0f67631c14589f7e250c1ea2c574ee5ba21c6c8dd4b1485705a5a1"
480
+
dependencies = [
481
+
"indexmap",
482
+
"serde",
483
+
"serde_spanned",
484
+
"toml_datetime",
485
+
"toml_parser",
486
+
"toml_writer",
487
+
"winnow",
488
+
]
489
+
490
+
[[package]]
491
+
name = "toml_datetime"
492
+
version = "0.7.0"
493
+
source = "registry+https://github.com/rust-lang/crates.io-index"
494
+
checksum = "bade1c3e902f58d73d3f294cd7f20391c1cb2fbcb643b73566bc773971df91e3"
495
+
dependencies = [
496
+
"serde",
497
+
]
498
+
499
+
[[package]]
500
+
name = "toml_parser"
501
+
version = "1.0.1"
502
+
source = "registry+https://github.com/rust-lang/crates.io-index"
503
+
checksum = "97200572db069e74c512a14117b296ba0a80a30123fbbb5aa1f4a348f639ca30"
504
+
dependencies = [
505
+
"winnow",
506
+
]
507
+
508
+
[[package]]
509
+
name = "toml_writer"
510
+
version = "1.0.2"
511
+
source = "registry+https://github.com/rust-lang/crates.io-index"
512
+
checksum = "fcc842091f2def52017664b53082ecbbeb5c7731092bad69d2c63050401dfd64"
513
+
514
+
[[package]]
404
515
name = "unicode-ident"
405
516
version = "1.0.18"
406
517
source = "registry+https://github.com/rust-lang/crates.io-index"
···
411
522
version = "0.2.2"
412
523
source = "registry+https://github.com/rust-lang/crates.io-index"
413
524
checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
525
+
526
+
[[package]]
527
+
name = "version_check"
528
+
version = "0.9.5"
529
+
source = "registry+https://github.com/rust-lang/crates.io-index"
530
+
checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
414
531
415
532
[[package]]
416
533
name = "wasi"
···
490
607
version = "0.52.6"
491
608
source = "registry+https://github.com/rust-lang/crates.io-index"
492
609
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
610
+
611
+
[[package]]
612
+
name = "winnow"
613
+
version = "0.7.12"
614
+
source = "registry+https://github.com/rust-lang/crates.io-index"
615
+
checksum = "f3edebf492c8125044983378ecb5766203ad3b4c2f7a922bd7dd207f6d443e95"
+1
README.md
+1
README.md
···
32
32
```
33
33
34
34
## Subcommands
35
+
- `init`: Initializes a new configuration file `fire.toml` in the current directory.
35
36
- `up`: Starts the Firecracker microVM, preparing assets and configuring the network if needed.
36
37
- `down`: Stops the running Firecracker microVM.
37
38
- `status`: Checks the status of the Firecracker microVM (running, stopped, or errored).
+16
crates/fire-config/Cargo.toml
+16
crates/fire-config/Cargo.toml
···
1
+
[package]
2
+
name = "fire-config"
3
+
version = "0.1.0"
4
+
authors.workspace = true
5
+
edition.workspace = true
6
+
license.workspace = true
7
+
repository.workspace = true
8
+
9
+
[dependencies]
10
+
serde = { version = "1.0.219", features = ["derive", "serde_derive"] }
11
+
serde_yml = "0.0.12"
12
+
toml = "0.9.4"
13
+
firecracker-prepare = { path = "../firecracker-prepare" }
14
+
num_cpus = "1.17.0"
15
+
anyhow = "1.0.98"
16
+
owo-colors = "4.2.2"
+68
crates/fire-config/src/lib.rs
+68
crates/fire-config/src/lib.rs
···
1
+
use std::{path::Path, process};
2
+
3
+
use anyhow::Error;
4
+
use firecracker_prepare::Distro;
5
+
use owo_colors::OwoColorize;
6
+
use serde::{Deserialize, Serialize};
7
+
8
+
#[derive(Debug, Serialize, Deserialize)]
9
+
pub struct Vm {
10
+
pub vcpu: Option<u16>,
11
+
pub memory: Option<u16>,
12
+
pub vmlinux: Option<String>,
13
+
pub rootfs: Option<String>,
14
+
pub boot_args: Option<String>,
15
+
}
16
+
17
+
#[derive(Debug, Serialize, Deserialize)]
18
+
pub struct FireConfig {
19
+
pub distro: Distro,
20
+
pub vm: Vm,
21
+
}
22
+
23
+
impl Default for FireConfig {
24
+
fn default() -> Self {
25
+
FireConfig {
26
+
distro: Distro::Ubuntu,
27
+
vm: Vm {
28
+
vcpu: Some(num_cpus::get() as u16),
29
+
memory: Some(512),
30
+
vmlinux: None,
31
+
rootfs: None,
32
+
boot_args: None,
33
+
},
34
+
}
35
+
}
36
+
}
37
+
38
+
pub fn init_config() -> Result<(), Error> {
39
+
if Path::new("fire.toml").exists() {
40
+
println!(
41
+
"Configuration file {} already exists, would you like to overwrite it? (y/n)",
42
+
"'fire.toml'".cyan()
43
+
);
44
+
let mut input = String::new();
45
+
std::io::stdin().read_line(&mut input)?;
46
+
if input.trim().to_lowercase() != "y" {
47
+
process::exit(1);
48
+
}
49
+
}
50
+
let config_path = Path::new("fire.toml");
51
+
let config = FireConfig::default();
52
+
let toml_content = toml::to_string(&config)?;
53
+
std::fs::write(config_path, toml_content)?;
54
+
Ok(())
55
+
}
56
+
57
+
pub fn read_config() -> Result<FireConfig, Error> {
58
+
let config_path = Path::new("fire.toml");
59
+
if !config_path.exists() {
60
+
return Err(Error::new(std::io::Error::new(
61
+
std::io::ErrorKind::NotFound,
62
+
"Configuration file not found",
63
+
)));
64
+
}
65
+
let content = std::fs::read_to_string(config_path)?;
66
+
let config: FireConfig = toml::from_str(&content)?;
67
+
Ok(config)
68
+
}
+1
crates/firecracker-prepare/Cargo.toml
+1
crates/firecracker-prepare/Cargo.toml
+2
-1
crates/firecracker-prepare/src/lib.rs
+2
-1
crates/firecracker-prepare/src/lib.rs
···
2
2
3
3
use anyhow::Result;
4
4
use owo_colors::OwoColorize;
5
+
use serde::{Deserialize, Serialize};
5
6
6
7
use crate::command::{run_command, run_command_with_stdout_inherit};
7
8
···
13
14
14
15
pub const GUEST_IP: &str = "172.16.0.2";
15
16
16
-
#[derive(Clone, Copy, PartialEq)]
17
+
#[derive(Clone, Copy, PartialEq, Serialize, Deserialize, Debug)]
17
18
pub enum Distro {
18
19
Debian,
19
20
Alpine,
+2
-1
crates/firecracker-up/Cargo.toml
+2
-1
crates/firecracker-up/Cargo.toml
···
1
1
[package]
2
2
name = "fireup"
3
-
version = "0.2.0"
3
+
version = "0.3.0"
4
4
authors.workspace = true
5
5
edition.workspace = true
6
6
license.workspace = true
···
11
11
firecracker-vm = { path = "../firecracker-vm" }
12
12
firecracker-prepare = { path = "../firecracker-prepare" }
13
13
firecracker-process = { path = "../firecracker-process" }
14
+
fire-config = { path = "../fire-config" }
14
15
clap = "4.5.41"
15
16
owo-colors = "4.2.2"
16
17
glob = "0.3.2"
+13
crates/firecracker-up/src/cmd/init.rs
+13
crates/firecracker-up/src/cmd/init.rs
···
1
+
use anyhow::Error;
2
+
use fire_config::init_config;
3
+
use owo_colors::OwoColorize;
4
+
5
+
pub fn init() -> Result<(), Error> {
6
+
init_config()?;
7
+
println!(
8
+
"[+] Firecracker MicroVM configuration initialized successfully: {} created 🎉",
9
+
"`fire.toml`".cyan()
10
+
);
11
+
println!("[✓] Start your MicroVM by running: {}", "fireup".green());
12
+
Ok(())
13
+
}
+1
crates/firecracker-up/src/cmd/mod.rs
+1
crates/firecracker-up/src/cmd/mod.rs
+6
crates/firecracker-up/src/cmd/up.rs
+6
crates/firecracker-up/src/cmd/up.rs
···
1
1
use std::thread;
2
2
3
3
use anyhow::Error;
4
+
use fire_config::read_config;
4
5
use firecracker_vm::types::VmOptions;
5
6
use owo_colors::OwoColorize;
6
7
···
8
9
9
10
pub fn up(options: VmOptions) -> Result<(), Error> {
10
11
check_kvm_support()?;
12
+
13
+
let options = match read_config() {
14
+
Ok(config) => VmOptions::from(config),
15
+
Err(_) => options.clone(),
16
+
};
11
17
12
18
firecracker_process::start()?;
13
19
+7
-1
crates/firecracker-up/src/main.rs
+7
-1
crates/firecracker-up/src/main.rs
···
3
3
use firecracker_vm::types::VmOptions;
4
4
use owo_colors::OwoColorize;
5
5
6
-
use crate::cmd::{down::down, logs::logs, reset::reset, ssh::ssh, status::status, up::up};
6
+
use crate::cmd::{
7
+
down::down, init::init, logs::logs, reset::reset, ssh::ssh, status::status, up::up,
8
+
};
7
9
8
10
pub mod cmd;
9
11
pub mod command;
···
26
28
Command::new("fireup")
27
29
.version(env!("CARGO_PKG_VERSION"))
28
30
.about(&banner)
31
+
.subcommand(
32
+
Command::new("init").about("Create a new Firecracker MicroVM configuration: fire.toml"),
33
+
)
29
34
.subcommand(
30
35
Command::new("up")
31
36
.arg(arg!(--debian "Prepare Debian MicroVM").default_value("false"))
···
78
83
let matches = cli().get_matches();
79
84
80
85
match matches.subcommand() {
86
+
Some(("init", _)) => init()?,
81
87
Some(("up", args)) => {
82
88
let vcpu = matches
83
89
.get_one::<String>("vcpu")
+1
crates/firecracker-vm/Cargo.toml
+1
crates/firecracker-vm/Cargo.toml
+18
crates/firecracker-vm/src/types.rs
+18
crates/firecracker-vm/src/types.rs
···
1
+
use fire_config::FireConfig;
1
2
use firecracker_prepare::Distro;
2
3
3
4
#[derive(Default, Clone)]
···
11
12
pub vmlinux: Option<String>,
12
13
pub rootfs: Option<String>,
13
14
pub bootargs: Option<String>,
15
+
}
16
+
17
+
impl From<FireConfig> for VmOptions {
18
+
fn from(config: FireConfig) -> Self {
19
+
let vm = config.vm;
20
+
VmOptions {
21
+
debian: Some(config.distro == Distro::Debian),
22
+
alpine: Some(config.distro == Distro::Alpine),
23
+
ubuntu: Some(config.distro == Distro::Ubuntu),
24
+
nixos: Some(config.distro == Distro::NixOS),
25
+
vcpu: vm.vcpu.unwrap_or(num_cpus::get() as u16),
26
+
memory: vm.memory.unwrap_or(512),
27
+
vmlinux: vm.vmlinux,
28
+
rootfs: vm.rootfs,
29
+
bootargs: vm.boot_args,
30
+
}
31
+
}
14
32
}
15
33
16
34
impl Into<Distro> for VmOptions {
+1
-1
dist/debian/amd64/DEBIAN/control
+1
-1
dist/debian/amd64/DEBIAN/control
+1
-1
dist/debian/arm64/DEBIAN/control
+1
-1
dist/debian/arm64/DEBIAN/control