defaults, migrations: control container version bump to v0.4.2

Release.toml

@@ -25,5 +25,6 @@ version = "1.0.5"
     "migrate_v1.0.6_add-static-pods.lz4",
     "migrate_v1.0.6_kubelet-standalone-tls-settings.lz4",
     "migrate_v1.0.6_kubelet-standalone-tls-services.lz4",
+    "migrate_v1.0.6_control-container-v0-4-2.lz4"
 ]
 

sources/Cargo.toml

@@ -42,6 +42,7 @@ members = [
     "api/migration/migrations/v1.0.6/add-static-pods",
     "api/migration/migrations/v1.0.6/kubelet-standalone-tls-settings",
     "api/migration/migrations/v1.0.6/kubelet-standalone-tls-services",
+    "api/migration/migrations/v1.0.6/control-container-v0-4-2",
 
     "bottlerocket-release",
 

sources/api/migration/migrations/v1.0.6/control-container-v0-4-2/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "control-container-v0-4-2"
+version = "0.1.0"
+authors = ["Erikson Tung <etung@amazon.com>"]
+license = "Apache-2.0 OR MIT"
+edition = "2018"
+publish = false
+# Don't rebuild crate just because of changes to README.
+exclude = ["README.md"]
+
+[dependencies]
+migration-helpers = { path = "../../../migration-helpers" }

sources/api/migration/migrations/v1.0.6/control-container-v0-4-2/src/main.rs

@@ -0,0 +1,30 @@
+#![deny(rust_2018_idioms)]
+
+use migration_helpers::common_migrations::ReplaceTemplateMigration;
+use migration_helpers::{migrate, Result};
+use std::process;
+
+const OLD_CONTROL_CTR_TEMPLATE: &str =
+    "{{ ecr-prefix settings.aws.region }}/bottlerocket-control:v0.4.1";
+const NEW_CONTROL_CTR_TEMPLATE: &str =
+    "{{ ecr-prefix settings.aws.region }}/bottlerocket-control:v0.4.2";
+
+
+/// We bumped the version of the default control container from v0.4.1 to v0.4.2
+fn run() -> Result<()> {
+    migrate(ReplaceTemplateMigration {
+        setting: "settings.host-containers.control.source",
+        old_template: OLD_CONTROL_CTR_TEMPLATE,
+        new_template: NEW_CONTROL_CTR_TEMPLATE,
+    })
+}
+
+// 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/models/shared-defaults/aws-host-containers.toml

@@ -12,4 +12,4 @@ superpowered = false
 
 [metadata.settings.host-containers.control.source]
 setting-generator = "schnauzer settings.host-containers.control.source"
-template = "{{ ecr-prefix settings.aws.region }}/bottlerocket-control:v0.4.1"
+template = "{{ ecr-prefix settings.aws.region }}/bottlerocket-control:v0.4.2"