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Prep for multiple container image stores
For now, this is effectively a no-op as it only implements a store for the current ostree container implementation. Beyond some minor code movement and plumbing, this also only handles the store implementation backing the `bootc status` command. Additional image store functionality (check, pull, delete, etc.) will be added in future changes in order to keep things smaller and more manageable. Signed-off-by: John Eckersberg <jeckersb@redhat.com>
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| Original file line number | Diff line number | Diff line change |
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@@ -26,6 +26,7 @@ pub(crate) mod metadata; | |
| mod reboot; | ||
| mod reexec; | ||
| mod status; | ||
| mod store; | ||
| mod task; | ||
| mod utils; | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| use std::env; | ||
| use std::ops::Deref; | ||
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| use anyhow::Result; | ||
| use clap::ValueEnum; | ||
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| use ostree_ext::container::OstreeImageReference; | ||
| use ostree_ext::keyfileext::KeyFileExt; | ||
| use ostree_ext::ostree; | ||
| use ostree_ext::sysroot::SysrootLock; | ||
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| use crate::spec::ImageStatus; | ||
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| mod ostree_container; | ||
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| pub(crate) struct Storage { | ||
| pub sysroot: SysrootLock, | ||
| pub store: Box<dyn ContainerImageStoreImpl>, | ||
| } | ||
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| #[derive(Default)] | ||
| pub(crate) struct CachedImageStatus { | ||
| pub image: Option<ImageStatus>, | ||
| pub cached_update: Option<ImageStatus>, | ||
| } | ||
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| pub(crate) trait ContainerImageStore { | ||
| fn store(&self) -> Result<Option<Box<dyn ContainerImageStoreImpl>>>; | ||
| } | ||
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| pub(crate) trait ContainerImageStoreImpl { | ||
| fn spec(&self) -> crate::spec::Store; | ||
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| fn imagestatus( | ||
| &self, | ||
| sysroot: &SysrootLock, | ||
| deployment: &ostree::Deployment, | ||
| image: OstreeImageReference, | ||
| ) -> Result<CachedImageStatus>; | ||
| } | ||
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| impl Deref for Storage { | ||
| type Target = SysrootLock; | ||
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| fn deref(&self) -> &Self::Target { | ||
| &self.sysroot | ||
| } | ||
| } | ||
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| impl Storage { | ||
| pub fn new(sysroot: SysrootLock) -> Self { | ||
| let store = match env::var("BOOTC_STORAGE") { | ||
| Ok(val) => crate::spec::Store::from_str(&val, true).unwrap_or_else(|_| { | ||
| let default = crate::spec::Store::default(); | ||
| tracing::warn!("Unknown BOOTC_STORAGE option {val}, falling back to {default:?}"); | ||
| default | ||
| }), | ||
| Err(_) => crate::spec::Store::default(), | ||
| }; | ||
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| let store = load(store); | ||
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| Self { sysroot, store } | ||
| } | ||
| } | ||
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| impl ContainerImageStore for ostree::Deployment { | ||
| fn store<'a>(&self) -> Result<Option<Box<dyn ContainerImageStoreImpl>>> { | ||
| if let Some(origin) = self.origin().as_ref() { | ||
| if let Some(store) = origin.optional_string("bootc", "backend")? { | ||
| let store = | ||
| crate::spec::Store::from_str(&store, true).map_err(anyhow::Error::msg)?; | ||
| Ok(Some(load(store))) | ||
| } else { | ||
| Ok(None) | ||
| } | ||
| } else { | ||
| Ok(None) | ||
| } | ||
| } | ||
| } | ||
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| pub(crate) fn load(ty: crate::spec::Store) -> Box<dyn ContainerImageStoreImpl> { | ||
| match ty { | ||
| crate::spec::Store::OstreeContainer => Box::new(ostree_container::OstreeContainerStore), | ||
| } | ||
| } |
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