[pve-devel] [PATCH proxmox-perl-rs v4 04/15] add Perl mapping for OCI container image parser/extractor

[Filip Schauer]

Signed-off-by: Filip Schauer <f.schauer at proxmox.com>
---
This patch depends on the proxmox-oci crate added in patch 02/15.

Changed since v3:
* improve rustdoc comments
* parse_and_extract_image: add argument for CPU architecture

Changed since v2:
* rebase onto newest master (6132d4d36cbd)
* forward all errors to Perl
* remove oci-spec dependency

Changed since v1:
* rebase on latest master (3d9806cb3c7f)
* add new dependencies to debian/control

 pve-rs/Cargo.toml          |  1 +
 pve-rs/Makefile            |  1 +
 pve-rs/debian/control      |  1 +
 pve-rs/src/bindings/mod.rs |  3 +++
 pve-rs/src/bindings/oci.rs | 29 +++++++++++++++++++++++++++++
 5 files changed, 35 insertions(+)
 create mode 100644 pve-rs/src/bindings/oci.rs

diff --git a/pve-rs/Cargo.toml b/pve-rs/Cargo.toml
index 963031a..905c5c9 100644
--- a/pve-rs/Cargo.toml
+++ b/pve-rs/Cargo.toml
@@ -39,6 +39,7 @@ proxmox-http-error = "1"
 proxmox-log = "1"
 proxmox-network-types = "0.1"
 proxmox-notify = { version = "1", features = ["pve-context"] }
+proxmox-oci = "0.1.0"
 proxmox-openid = "1.0.2"
 proxmox-resource-scheduling = "1"
 proxmox-section-config = "3"
diff --git a/pve-rs/Makefile b/pve-rs/Makefile
index 13a5418..aa7181e 100644
--- a/pve-rs/Makefile
+++ b/pve-rs/Makefile
@@ -27,6 +27,7 @@ PERLMOD_GENPACKAGE := /usr/lib/perlmod/genpackage.pl \
 
 PERLMOD_PACKAGES := \
 	  PVE::RS::Firewall::SDN \
+	  PVE::RS::OCI \
 	  PVE::RS::OpenId \
 	  PVE::RS::ResourceScheduling::Static \
 	  PVE::RS::SDN::Fabrics \
diff --git a/pve-rs/debian/control b/pve-rs/debian/control
index d0b1af6..091406b 100644
--- a/pve-rs/debian/control
+++ b/pve-rs/debian/control
@@ -25,6 +25,7 @@ Build-Depends: cargo:native <!nocheck>,
                librust-proxmox-log-1+default-dev,
                librust-proxmox-notify-1+default-dev (>= 0.5.4),
                librust-proxmox-notify-1+pve-context-dev,
+               librust-proxmox-oci-0.1+default-dev,
                librust-proxmox-openid-1+default-dev (>= 1.0.2-~~),
                librust-proxmox-resource-scheduling-1+default-dev,
                librust-proxmox-shared-cache-1+default-dev,
diff --git a/pve-rs/src/bindings/mod.rs b/pve-rs/src/bindings/mod.rs
index 7730de3..c21b328 100644
--- a/pve-rs/src/bindings/mod.rs
+++ b/pve-rs/src/bindings/mod.rs
@@ -1,5 +1,8 @@
 //! This contains all the perl bindings.
 
+mod oci;
+pub use oci::pve_rs_oci;
+
 mod resource_scheduling_static;
 pub use resource_scheduling_static::pve_rs_resource_scheduling_static;
 
diff --git a/pve-rs/src/bindings/oci.rs b/pve-rs/src/bindings/oci.rs
new file mode 100644
index 0000000..7f5acaf
--- /dev/null
+++ b/pve-rs/src/bindings/oci.rs
@@ -0,0 +1,29 @@
+#[perlmod::package(name = "PVE::RS::OCI", lib = "pve_rs")]
+pub mod pve_rs_oci {
+    //! The `PVE::RS::OCI` package.
+    //!
+    //! Provides bindings for the [`proxmox_oci`] crate.
+
+    use anyhow::Error;
+    use proxmox_oci::Config;
+
+    /// Extract the rootfs of an OCI image tar and return the image config.
+    ///
+    /// # Arguments
+    ///
+    /// * `oci_tar_path` - Path to the OCI image tar archive
+    /// * `rootfs_path` - Destination path where the rootfs will be extracted to
+    /// * `arch` - Optional CPU architecture used to pick the first matching manifest from a multi-arch
+    ///   image index. If `None`, the first manifest will be used.
+    #[export]
+    pub fn parse_and_extract_image(
+        oci_tar_path: &str,
+        rootfs_path: &str,
+        arch: Option<&str>,
+    ) -> Result<Config, Error> {
+        let arch = arch.map(Into::into);
+        proxmox_oci::parse_and_extract_image(oci_tar_path, rootfs_path, arch.as_ref())
+            .map(|config| config.unwrap_or_default())
+            .map_err(Into::into)
+    }
+}
-- 
2.47.2