kubernetes: add max_parallel_image_pulls and serialize_image_pulls

Signed-off-by: Gavin Inglis <[email protected]>

Author: ginglis13

Cargo.toml

@@ -73,7 +73,7 @@ settings-extension-dns = { path = "./bottlerocket-settings-models/settings-exten
 settings-extension-ecs = { path = "./bottlerocket-settings-models/settings-extensions/ecs", version = "0.1" }
 settings-extension-host-containers = { path = "./bottlerocket-settings-models/settings-extensions/host-containers", version = "0.1" }
 settings-extension-kernel = { path = "./bottlerocket-settings-models/settings-extensions/kernel", version = "0.1" }
-settings-extension-kubernetes = { path = "./bottlerocket-settings-models/settings-extensions/kubernetes", version = "0.1" }
+settings-extension-kubernetes = { path = "./bottlerocket-settings-models/settings-extensions/kubernetes", version = "0.2" }
 settings-extension-metrics = { path = "./bottlerocket-settings-models/settings-extensions/metrics", version = "0.1" }
 settings-extension-motd = { path = "./bottlerocket-settings-models/settings-extensions/motd", version = "0.1" }
 settings-extension-network = { path = "./bottlerocket-settings-models/settings-extensions/network", version = "0.1" }

bottlerocket-settings-models/settings-extensions/kubernetes/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "settings-extension-kubernetes"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["Sean P. Kelly <[email protected]>"]
 license = "Apache-2.0 OR MIT"
 edition = "2021"

bottlerocket-settings-models/settings-extensions/kubernetes/src/lib.rs

@@ -98,6 +98,9 @@ pub struct KubernetesSettingsV1 {
     seccomp_default: bool,
     #[cfg(feature = "nvidia-device-plugin")]
     device_plugins: K8sDevicePluginsSettings,
+    // Generated in `k8s-1.27+` variants only
+    serialize_image_pulls: bool,
+    max_parallel_image_pulls: i32,
 }
 
 type Result<T> = std::result::Result<T, Infallible>;
@@ -197,6 +200,8 @@ mod test {
                 seccomp_default: None,
                 #[cfg(feature = "nvidia-device-plugin")]
                 device_plugins: None,
+                serialize_image_pulls: None,
+                max_parallel_image_pulls: None,
             })
         );
     }