migrations: add migrations for 'settings.oci-defaults'

Co-authored-by: Mahdi Chaker <mmchaker@amazon.com>
Co-authored-by: Matthew James Briggs <brigmatt@amazon.com>

Release.toml

@@ -175,4 +175,6 @@ version = "1.12.0"
     "migrate_v1.12.0_k8s-private-pki-path.lz4",
     "migrate_v1.12.0_add-k8s-autoscaling-warm-pool-setting.lz4",
     "migrate_v1.12.0_add-k8s-autoscaling-warm-pool-setting-metadata.lz4",
+    "migrate_v1.12.0_oci-defaults-setting.lz4",
+    "migrate_v1.12.0_oci-defaults-setting-metadata.lz4",
 ]

sources/Cargo.toml

@@ -29,6 +29,8 @@ members = [
     "api/migration/migrations/v1.12.0/k8s-private-pki-path",
     "api/migration/migrations/v1.12.0/add-k8s-autoscaling-warm-pool-setting",
     "api/migration/migrations/v1.12.0/add-k8s-autoscaling-warm-pool-setting-metadata",
+    "api/migration/migrations/v1.12.0/oci-defaults-setting",
+    "api/migration/migrations/v1.12.0/oci-defaults-setting-metadata",
 
     "bottlerocket-release",
 

sources/api/migration/migrations/v1.12.0/oci-defaults-setting-metadata/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "oci-defaults-setting-metadata"
+version = "0.1.0"
+edition = "2018"
+authors = ["Mahdi Chaker <mmchaker@amazon.com>"]
+license = "Apache-2.0 OR MIT"
+publish = false
+# Don't rebuild crate just because of changes to README.
+exclude = ["README.md"]
+
+[dependencies]
+migration-helpers = { path = "../../../migration-helpers", version = "0.1.0"}
+
+[build-dependencies]
+bottlerocket-variant = { version = "0.1", path = "../../../../../bottlerocket-variant" }

sources/api/migration/migrations/v1.12.0/oci-defaults-setting-metadata/build.rs

@@ -0,0 +1,6 @@
+use bottlerocket_variant::Variant;
+
+fn main() {
+    let variant = Variant::from_env().unwrap();
+    variant.emit_cfgs();
+}

sources/api/migration/migrations/v1.12.0/oci-defaults-setting-metadata/src/main.rs

@@ -0,0 +1,28 @@
+#![deny(rust_2018_idioms)]
+use migration_helpers::common_migrations::{AddMetadataMigration, SettingMetadata};
+use migration_helpers::{migrate, Result};
+use std::process;
+
+/// We updated the 'affected-services' list metadata for 'settings.oci-defaults'
+/// to include itself and containerd on upgrade, and to remove those values on
+/// downgrade, depending on the running variant.
+fn run() -> Result<()> {
+    if cfg!(variant_runtime = "k8s") {
+        migrate(AddMetadataMigration(&[SettingMetadata {
+            metadata: &["affected-services"],
+            setting: "settings.oci-defaults",
+        }]))?
+    };
+
+    Ok(())
+}
+
+// Returning a Result from main makes it print a Debug representation of the error, but with Snafu
+// we have nice Display representations of the error, so we wrap "main" (run) and print any error.
+// /~https://github.com/shepmaster/snafu/issues/110
+fn main() {
+    if let Err(e) = run() {
+        eprintln!("{}", e);
+        process::exit(1);
+    }
+}

sources/api/migration/migrations/v1.12.0/oci-defaults-setting/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "oci-defaults-setting"
+version = "0.1.0"
+edition = "2018"
+authors = ["Mahdi Chaker <mmchaker@amazon.com>"]
+license = "Apache-2.0 OR MIT"
+publish = false
+# Don't rebuild crate just because of changes to README.
+exclude = ["README.md"]
+
+[dependencies]
+migration-helpers = { path = "../../../migration-helpers", version = "0.1.0"}
+
+[build-dependencies]
+bottlerocket-variant = { version = "0.1", path = "../../../../../bottlerocket-variant" }

sources/api/migration/migrations/v1.12.0/oci-defaults-setting/build.rs

@@ -0,0 +1,6 @@
+use bottlerocket_variant::Variant;
+
+fn main() {
+    let variant = Variant::from_env().unwrap();
+    variant.emit_cfgs();
+}

sources/api/migration/migrations/v1.12.0/oci-defaults-setting/src/main.rs

@@ -0,0 +1,31 @@
+#![deny(rust_2018_idioms)]
+
+use migration_helpers::common_migrations;
+use migration_helpers::{migrate, Result};
+use std::process;
+
+/// We added new settings for configuring the default OCI runtime spec,
+/// `settings.oci-defaults`, which will initially contain
+/// `settings.oci-defaults.capabilities` and
+/// `settings.oci-defaults.resource-limits`
+fn run() -> Result<()> {
+    if cfg!(variant_runtime = "k8s") {
+        migrate(common_migrations::AddPrefixesMigration(vec![
+            "settings.oci-defaults",
+            "services.oci-defaults",
+            "configuration-files.oci-defaults",
+        ]))?
+    }
+
+    Ok(())
+}
+
+// Returning a Result from main makes it print a Debug representation of the error, but with Snafu
+// we have nice Display representations of the error, so we wrap "main" (run) and print any error.
+// /~https://github.com/shepmaster/snafu/issues/110
+fn main() {
+    if let Err(e) = run() {
+        eprintln!("{}", e);
+        process::exit(1);
+    }
+}