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From: Fabian Ebner <f.ebner@proxmox.com>
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pbs-devel@lists.proxmox.com
Date: Fri, 11 Jun 2021 13:44:10 +0200
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Subject: [pve-devel] [PATCH v6 pve-rs 1/4] initial commit
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with a module for wrapping apt repository functions.
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
---
Changes from v5:
* Start with a fresh repository.
* Add comments to exported functions.
* Make exported functions pub.
* Use Option<&str> for the digest parameter.
.cargo/config | 5 +++
.gitignore | 3 ++
Cargo.toml | 22 +++++++++++++
rustfmt.toml | 1 +
src/apt/mod.rs | 1 +
src/apt/repositories.rs | 69 +++++++++++++++++++++++++++++++++++++++++
src/lib.rs | 1 +
7 files changed, 102 insertions(+)
create mode 100644 .cargo/config
create mode 100644 .gitignore
create mode 100644 Cargo.toml
create mode 100644 rustfmt.toml
create mode 100644 src/apt/mod.rs
create mode 100644 src/apt/repositories.rs
create mode 100644 src/lib.rs
diff --git a/.cargo/config b/.cargo/config
new file mode 100644
index 0000000..3b5b6e4
--- /dev/null
+++ b/.cargo/config
@@ -0,0 +1,5 @@
+[source]
+[source.debian-packages]
+directory = "/usr/share/cargo/registry"
+[source.crates-io]
+replace-with = "debian-packages"
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..52e46cb
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+/target
+Cargo.lock
+/PVE
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..d3b9955
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,22 @@
+[package]
+name = "pve-rs"
+version = "0.1.0"
+authors = ["Proxmox Support Team <support@proxmox.com>"]
+edition = "2018"
+license = "AGPL-3"
+description = "PVE parts which have been ported to Rust"
+homepage = "https://www.proxmox.com"
+exclude = [
+ "build",
+ "debian",
+ "PVE",
+]
+
+[lib]
+crate-type = [ "cdylib" ]
+
+[dependencies]
+anyhow = "1.0"
+proxmox = { version = "0.11.5" }
+proxmox-apt = "0.1.1"
+perlmod = { version = "0.4.3", features = [ "exporter" ] }
diff --git a/rustfmt.toml b/rustfmt.toml
new file mode 100644
index 0000000..32a9786
--- /dev/null
+++ b/rustfmt.toml
@@ -0,0 +1 @@
+edition = "2018"
diff --git a/src/apt/mod.rs b/src/apt/mod.rs
new file mode 100644
index 0000000..574c1a7
--- /dev/null
+++ b/src/apt/mod.rs
@@ -0,0 +1 @@
+mod repositories;
diff --git a/src/apt/repositories.rs b/src/apt/repositories.rs
new file mode 100644
index 0000000..1643a23
--- /dev/null
+++ b/src/apt/repositories.rs
@@ -0,0 +1,69 @@
+#[perlmod::package(name = "PVE::RS::APT::Repositories", lib = "pve_rs")]
+mod export {
+ use anyhow::{bail, Error};
+
+ use perlmod::{to_value, Value};
+
+ /// Returns all APT repositories configured in `/etc/apt/sources.list` and
+ /// in `/etc/apt/sources.list.d` including disabled repositories.
+ ///
+ /// The first return value is the list of successfully parsed files of type `APTRepositoryFile`.
+ /// The second return value is the list of problems of type `APTRepositoryFileError`.
+ /// The third return value is a common digest of all successfully parsed files as a hexadecimal
+ /// string.
+ #[export(raw_return)]
+ pub fn repositories() -> Result<(Value, Value, Value), Error> {
+ let (files, errors) = proxmox_apt::repositories::repositories()?;
+
+ if files.is_empty() {
+ bail!("no APT repository files could be parsed!");
+ }
+
+ let common_digest = proxmox_apt::repositories::common_digest(&files);
+
+ let hex_digest = proxmox::tools::digest_to_hex(&common_digest);
+
+ Ok((
+ to_value(&files)?,
+ to_value(&errors)?,
+ to_value(&hex_digest)?,
+ ))
+ }
+
+ /// Provides additional information about the repositories.
+ ///
+ /// If `digest` is specified and doesn't match the current one, an error is returned.
+ ///
+ /// The first return value is the list of informations of type `APTRepositoryInfo`.
+ /// The second (resp. third) return values is a boolean indicating whether the enterprise
+ /// (resp. no-subscription) repository is configured.
+ #[export(raw_return)]
+ pub fn check_repositories(digest: Option<&str>) -> Result<(Value, Value, Value), Error> {
+ let (files, _) = proxmox_apt::repositories::repositories()?;
+
+ if files.is_empty() {
+ bail!("no APT repository files could be parsed!");
+ }
+
+ if let Some(digest) = digest {
+ let expected_digest = proxmox::tools::hex_to_digest(digest)?;
+ let current_digest = proxmox_apt::repositories::common_digest(&files);
+ if current_digest != expected_digest {
+ bail!("detected modified configuration - file changed by other user? Try again.");
+ }
+ }
+
+ let infos = proxmox_apt::repositories::check_repositories(&files);
+
+ let enterprise_enabled =
+ proxmox_apt::repositories::enterprise_repository_enabled(&files, "pve");
+ let no_subscription_enabled =
+ proxmox_apt::repositories::no_subscription_repository_enabled(&files, "pve");
+
+ Ok((
+ to_value(&infos)?,
+ to_value(&enterprise_enabled)?,
+ to_value(&no_subscription_enabled)?,
+ ))
+ }
+}
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..10b3376
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1 @@
+pub mod apt;
--
2.20.1