Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

install: Only open / once #649

Merged
merged 1 commit into from
Jun 28, 2024
Merged

install: Only open / once #649

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
30 changes: 20 additions & 10 deletions lib/src/install.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -310,6 +310,8 @@ pub(crate) struct State {
pub(crate) install_config: Option<config::InstallConfiguration>,
/// The parsed contents of the authorized_keys (not the file path)
pub(crate) root_ssh_authorized_keys: Option<String>,
/// The root filesystem of the running container
pub(crate) container_root: Dir,
}

impl State {
Expand All @@ -320,8 +322,7 @@ impl State {
return Ok(None);
}
// We always use the physical container root to bootstrap policy
let rootfs = &Dir::open_ambient_dir("/", cap_std::ambient_authority())?;
let r = ostree::SePolicy::new_at(rootfs.as_raw_fd(), gio::Cancellable::NONE)?;
let r = ostree::SePolicy::new_at(self.container_root.as_raw_fd(), gio::Cancellable::NONE)?;
let csum = r
.csum()
.ok_or_else(|| anyhow::anyhow!("SELinux enabled, but no policy found in root"))?;
Expand Down Expand Up @@ -449,7 +450,10 @@ impl SourceInfo {
// Inspect container information and convert it to an ostree image reference
// that pulls from containers-storage.
#[context("Gathering source info from container env")]
pub(crate) fn from_container(container_info: &ContainerExecutionInfo) -> Result<Self> {
pub(crate) fn from_container(
root: &Dir,
container_info: &ContainerExecutionInfo,
) -> Result<Self> {
if !container_info.engine.starts_with("podman") {
anyhow::bail!("Currently this command only supports being executed via podman");
}
Expand All @@ -463,7 +467,6 @@ impl SourceInfo {
tracing::debug!("Finding digest for image ID {}", container_info.imageid);
let digest = crate::podman::imageid_to_digest(&container_info.imageid)?;

let root = Dir::open_ambient_dir("/", cap_std::ambient_authority())?;
let have_host_container_storage = Utf8Path::new(crate::podman::CONTAINER_STORAGE)
.try_exists()?
&& ostree_ext::mountutil::is_mountpoint(
Expand All @@ -483,19 +486,26 @@ impl SourceInfo {
require_skopeo_with_containers_storage()?;
}

Self::new(imageref, Some(digest), true, have_host_container_storage)
Self::new(
imageref,
Some(digest),
root,
true,
have_host_container_storage,
)
}

#[context("Creating source info from a given imageref")]
pub(crate) fn from_imageref(imageref: &str) -> Result<Self> {
pub(crate) fn from_imageref(imageref: &str, root: &Dir) -> Result<Self> {
let imageref = ostree_container::ImageReference::try_from(imageref)?;
Self::new(imageref, None, false, false)
Self::new(imageref, None, root, false, false)
}

/// Construct a new source information structure
fn new(
imageref: ostree_container::ImageReference,
digest: Option<String>,
root: &Dir,
in_host_mountns: bool,
have_host_container_storage: bool,
) -> Result<Self> {
Expand All @@ -504,7 +514,6 @@ impl SourceInfo {
.args(["--repo=/ostree/repo", "rev-parse", "--single"])
.quiet()
.read()?;
let root = cap_std::fs::Dir::open_ambient_dir("/", cap_std::ambient_authority())?;
let repo = ostree::Repo::open_at_dir(root.as_fd(), "ostree/repo")?;
let root = repo
.read_commit(commit.trim(), cancellable)
Expand Down Expand Up @@ -1097,9 +1106,9 @@ async fn prepare_install(
};
tracing::trace!("Read container engine info {:?}", container_info);

SourceInfo::from_container(&container_info)?
SourceInfo::from_container(&rootfs, &container_info)?
}
Some(source) => SourceInfo::from_imageref(&source)?,
Some(source) => SourceInfo::from_imageref(&source, &rootfs)?,
};

// Parse the target CLI image reference options and create the *target* image
Expand Down Expand Up @@ -1177,6 +1186,7 @@ async fn prepare_install(
target_imgref,
install_config,
root_ssh_authorized_keys,
container_root: rootfs,
});

Ok(state)
Expand Down