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pin the stage0 hashes in src/stage0.json

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This commit is contained in:
Pietro Albini 2021-08-26 12:35:32 +02:00
parent 80b81adc63
commit ea8b1ffe61
No known key found for this signature in database
GPG key ID: CD76B35F7734769E
6 changed files with 419 additions and 37 deletions
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2
Cargo.lock
View file

@ -226,6 +226,7 @@ version = "0.1.0"
dependencies = [
"anyhow",
"curl",
"indexmap",
"serde",
"serde_json",
"toml",
@ -1674,6 +1675,7 @@ checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
dependencies = [
"autocfg",
"hashbrown",
"serde",
]
[[package]]

63
src/bootstrap/bootstrap.py
View file

@ -25,19 +25,17 @@ def support_xz():
except tarfile.CompressionError:
return False
def get(url, path, verbose=False, do_verify=True):
suffix = '.sha256'
sha_url = url + suffix
def get(base, url, path, checksums, verbose=False, do_verify=True):
with tempfile.NamedTemporaryFile(delete=False) as temp_file:
temp_path = temp_file.name
with tempfile.NamedTemporaryFile(suffix=suffix, delete=False) as sha_file:
sha_path = sha_file.name
try:
if do_verify:
download(sha_path, sha_url, False, verbose)
if url not in checksums:
raise RuntimeError("src/stage0.json doesn't contain a checksum for {}".format(url))
sha256 = checksums[url]
if os.path.exists(path):
if verify(path, sha_path, False):
if verify(path, sha256, False):
if verbose:
print("using already-download file", path)
return
@ -46,23 +44,17 @@ def get(url, path, verbose=False, do_verify=True):
print("ignoring already-download file",
path, "due to failed verification")
os.unlink(path)
download(temp_path, url, True, verbose)
if do_verify and not verify(temp_path, sha_path, verbose):
download(temp_path, "{}/{}".format(base, url), True, verbose)
if do_verify and not verify(temp_path, sha256, verbose):
raise RuntimeError("failed verification")
if verbose:
print("moving {} to {}".format(temp_path, path))
shutil.move(temp_path, path)
finally:
delete_if_present(sha_path, verbose)
delete_if_present(temp_path, verbose)
def delete_if_present(path, verbose):
"""Remove the given file if present"""
if os.path.isfile(path):
if verbose:
print("removing", path)
os.unlink(path)
if os.path.isfile(temp_path):
if verbose:
print("removing", temp_path)
os.unlink(temp_path)
def download(path, url, probably_big, verbose):
@ -99,14 +91,12 @@ def _download(path, url, probably_big, verbose, exception):
exception=exception)
def verify(path, sha_path, verbose):
def verify(path, expected, verbose):
"""Check if the sha256 sum of the given path is valid"""
if verbose:
print("verifying", path)
with open(path, "rb") as source:
found = hashlib.sha256(source.read()).hexdigest()
with open(sha_path, "r") as sha256sum:
expected = sha256sum.readline().split()[0]
verified = found == expected
if not verified:
print("invalid checksum:\n"
@ -375,6 +365,7 @@ class Stage0Toolchain:
class RustBuild(object):
"""Provide all the methods required to build Rust"""
def __init__(self):
self.checksums_sha256 = {}
self.stage0_compiler = None
self.stage0_rustfmt = None
self._download_url = ''
@ -529,12 +520,21 @@ class RustBuild(object):
os.makedirs(rustc_cache)
if stage0:
url = "{}/dist/{}".format(self._download_url, key)
base = self._download_url
url = "dist/{}".format(key)
else:
url = "https://ci-artifacts.rust-lang.org/rustc-builds/{}".format(self.rustc_commit)
base = "https://ci-artifacts.rust-lang.org"
url = "rustc-builds/{}".format(self.rustc_commit)
tarball = os.path.join(rustc_cache, filename)
if not os.path.exists(tarball):
get("{}/{}".format(url, filename), tarball, verbose=self.verbose, do_verify=stage0)
get(
base,
"{}/{}".format(url, filename),
tarball,
self.checksums_sha256,
verbose=self.verbose,
do_verify=stage0,
)
unpack(tarball, tarball_suffix, self.bin_root(stage0), match=pattern, verbose=self.verbose)
def _download_ci_llvm(self, llvm_sha, llvm_assertions):
@ -544,7 +544,8 @@ class RustBuild(object):
if not os.path.exists(rustc_cache):
os.makedirs(rustc_cache)
url = "https://ci-artifacts.rust-lang.org/rustc-builds/{}".format(llvm_sha)
base = "https://ci-artifacts.rust-lang.org"
url = "rustc-builds/{}".format(llvm_sha)
if llvm_assertions:
url = url.replace('rustc-builds', 'rustc-builds-alt')
# ci-artifacts are only stored as .xz, not .gz
@ -556,7 +557,14 @@ class RustBuild(object):
filename = "rust-dev-nightly-" + self.build + tarball_suffix
tarball = os.path.join(rustc_cache, filename)
if not os.path.exists(tarball):
get("{}/{}".format(url, filename), tarball, verbose=self.verbose, do_verify=False)
get(
base,
"{}/{}".format(url, filename),
tarball,
self.checksums_sha256,
verbose=self.verbose,
do_verify=False,
)
unpack(tarball, tarball_suffix, self.llvm_root(),
match="rust-dev",
verbose=self.verbose)
@ -1158,6 +1166,7 @@ def bootstrap(help_triggered):
with open(os.path.join(build.rust_root, "src", "stage0.json")) as f:
data = json.load(f)
build.checksums_sha256 = data["checksums_sha256"]
build.stage0_compiler = Stage0Toolchain(data["compiler"])
if data.get("rustfmt") is not None:
build.stage0_rustfmt = Stage0Toolchain(data["rustfmt"])

9
src/bootstrap/bootstrap_test.py
View file

@ -18,14 +18,13 @@ class VerifyTestCase(unittest.TestCase):
def setUp(self):
self.container = tempfile.mkdtemp()
self.src = os.path.join(self.container, "src.txt")
self.sums = os.path.join(self.container, "sums")
self.bad_src = os.path.join(self.container, "bad.txt")
content = "Hello world"
self.expected = hashlib.sha256(content.encode("utf-8")).hexdigest()
with open(self.src, "w") as src:
src.write(content)
with open(self.sums, "w") as sums:
sums.write(hashlib.sha256(content.encode("utf-8")).hexdigest())
with open(self.bad_src, "w") as bad:
bad.write("Hello!")
@ -34,11 +33,11 @@ class VerifyTestCase(unittest.TestCase):
def test_valid_file(self):
"""Check if the sha256 sum of the given file is valid"""
self.assertTrue(bootstrap.verify(self.src, self.sums, False))
self.assertTrue(bootstrap.verify(self.src, self.expected, False))
def test_invalid_file(self):
"""Should verify that the file is invalid"""
self.assertFalse(bootstrap.verify(self.bad_src, self.sums, False))
self.assertFalse(bootstrap.verify(self.bad_src, self.expected, False))
class ProgramOutOfDate(unittest.TestCase):

334
src/stage0.json
View file

@ -8,5 +8,339 @@
"rustfmt": {
"date": "2021-08-26",
"version": "nightly"
},
"checksums_sha256": {
"dist/2021-08-22/cargo-beta-aarch64-apple-darwin.tar.gz": "1aae6206b6ee057a53c6863d1aa9246a913bd8cc87945221ffe25a0763198ec9",
"dist/2021-08-22/cargo-beta-aarch64-apple-darwin.tar.xz": "9bb4026714d46f99077c4ec2ac1f818a059252996077569339a72704a1044cc5",
"dist/2021-08-22/cargo-beta-aarch64-pc-windows-msvc.tar.gz": "127a066958fe2f67154ae5e5ffdf67e216cd9da5c8ca7f6f5818017ef647eb57",
"dist/2021-08-22/cargo-beta-aarch64-pc-windows-msvc.tar.xz": "f62459d78c012d129a38f9f05975f784ca59f613cb77f273ac1be992320968ca",
"dist/2021-08-22/cargo-beta-aarch64-unknown-linux-gnu.tar.gz": "eb0e5765d0d37129a1e70680cb701fc7968baf98a183a25fbe495d5e1818a67c",
"dist/2021-08-22/cargo-beta-aarch64-unknown-linux-gnu.tar.xz": "8168902da36e32c2b2946ec18d41c4877191e3b5ec95276d85a1453541be8adf",
"dist/2021-08-22/cargo-beta-aarch64-unknown-linux-musl.tar.gz": "e8a774fd383d0a7a3a1216ebd3a005fe01560002c8a28b89ce7f9a0ac522a07f",
"dist/2021-08-22/cargo-beta-aarch64-unknown-linux-musl.tar.xz": "da7e246ca883ace9f9006257dd52756395307613f2bc10d86bacfe9b24f861c8",
"dist/2021-08-22/cargo-beta-arm-unknown-linux-gnueabi.tar.gz": "bc20e1ffe92aeca2a01bab6b1e383dfd7cecde01780bb2369ef5e10ef6e88bc7",
"dist/2021-08-22/cargo-beta-arm-unknown-linux-gnueabi.tar.xz": "5020ad70b694f18fa19be09d86983a7f396b38d71a65cf061438870d9264de45",
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}
}

1
src/tools/bump-stage0/Cargo.toml
View file

@ -8,6 +8,7 @@ edition = "2018"
[dependencies]
anyhow = "1.0.34"
curl = "0.4.38"
indexmap = { version = "1.7.0", features = ["serde"] }
serde = { version = "1.0.125", features = ["derive"] }
serde_json = "1.0.59"
toml = "0.5.7"

47
src/tools/bump-stage0/src/main.rs
View file

@ -1,13 +1,17 @@
use anyhow::Error;
use curl::easy::Easy;
use indexmap::IndexMap;
use std::collections::HashMap;
use std::convert::TryInto;
const DIST_SERVER: &str = "https://static.rust-lang.org";
const COMPILER_COMPONENTS: &[&str] = &["rustc", "rust-std", "cargo"];
const RUSTFMT_COMPONENTS: &[&str] = &["rustfmt-preview"];
struct Tool {
channel: Channel,
version: [u16; 3],
checksums: IndexMap<String, String>,
}
impl Tool {
@ -28,10 +32,10 @@ impl Tool {
.try_into()
.map_err(|_| anyhow::anyhow!("failed to parse version"))?;
Ok(Self { channel, version })
Ok(Self { channel, version, checksums: IndexMap::new() })
}
fn update_json(self) -> Result<(), Error> {
fn update_json(mut self) -> Result<(), Error> {
std::fs::write(
"src/stage0.json",
format!(
@ -42,8 +46,14 @@ impl Tool {
dist_server: DIST_SERVER.into(),
compiler: self.detect_compiler()?,
rustfmt: self.detect_rustfmt()?,
checksums_sha256: {
// Keys are sorted here instead of beforehand because values in this map
// are added while filling the other struct fields just above this block.
self.checksums.sort_keys();
self.checksums
}
})?
)
),
)?;
Ok(())
}
@ -55,7 +65,7 @@ impl Tool {
// On the master branch the compiler version is configured to `beta` whereas if you're looking
// at the beta or stable channel you'll likely see `1.x.0` as the version, with the previous
// release's version number.
fn detect_compiler(&self) -> Result<Stage0Toolchain, Error> {
fn detect_compiler(&mut self) -> Result<Stage0Toolchain, Error> {
let channel = match self.channel {
Channel::Stable | Channel::Beta => {
// The 1.XX manifest points to the latest point release of that minor release.
@ -65,6 +75,7 @@ impl Tool {
};
let manifest = fetch_manifest(&channel)?;
self.collect_checksums(&manifest, COMPILER_COMPONENTS)?;
Ok(Stage0Toolchain {
date: manifest.date,
version: if self.channel == Channel::Nightly {
@ -84,14 +95,39 @@ impl Tool {
/// We use a nightly rustfmt to format the source because it solves some bootstrapping issues
/// with use of new syntax in this repo. For the beta/stable channels rustfmt is not provided,
/// as we don't want to depend on rustfmt from nightly there.
fn detect_rustfmt(&self) -> Result<Option<Stage0Toolchain>, Error> {
fn detect_rustfmt(&mut self) -> Result<Option<Stage0Toolchain>, Error> {
if self.channel != Channel::Nightly {
return Ok(None);
}
let manifest = fetch_manifest("nightly")?;
self.collect_checksums(&manifest, RUSTFMT_COMPONENTS)?;
Ok(Some(Stage0Toolchain { date: manifest.date, version: "nightly".into() }))
}
fn collect_checksums(&mut self, manifest: &Manifest, components: &[&str]) -> Result<(), Error> {
let prefix = format!("{}/", DIST_SERVER);
for component in components {
let pkg = manifest
.pkg
.get(*component)
.ok_or_else(|| anyhow::anyhow!("missing component from manifest: {}", component))?;
for target in pkg.target.values() {
for pair in &[(&target.url, &target.hash), (&target.xz_url, &target.xz_hash)] {
if let (Some(url), Some(sha256)) = pair {
let url = url
.strip_prefix(&prefix)
.ok_or_else(|| {
anyhow::anyhow!("url doesn't start with dist server base: {}", url)
})?
.to_string();
self.checksums.insert(url, sha256.clone());
}
}
}
}
Ok(())
}
}
fn main() -> Result<(), Error> {
@ -137,6 +173,7 @@ struct Stage0 {
dist_server: String,
compiler: Stage0Toolchain,
rustfmt: Option<Stage0Toolchain>,
checksums_sha256: IndexMap<String, String>,
}
#[derive(Debug, serde::Serialize)]