migrations: migrate settings.container-registry, and related models

Adds migrations for the new `container-registry` setting and the new
docker daemon config file and the new config file for host-containers
and bootstrap containers.

Release.toml

@@ -59,3 +59,7 @@ version = "1.1.4"
     "migrate_v1.1.3_kubelet-cpu-manager.lz4",
 ]
 "(1.1.3, 1.1.4)" = []
+"(1.1.4, 1.2.0)" = [
+    "migrate_v1.2.0_container-registry-mirrors.lz4",
+    "migrate_v1.2.0_container-registry-config-restarts.lz4",
+]

sources/Cargo.toml

@@ -37,6 +37,8 @@ members = [
     "api/migration/migrations/v1.1.2/control-container-v0-5-1",
     "api/migration/migrations/v1.1.3/kubelet-cpu-manager-state",
     "api/migration/migrations/v1.1.3/kubelet-cpu-manager",
+    "api/migration/migrations/v1.2.0/container-registry-mirrors",
+    "api/migration/migrations/v1.2.0/container-registry-config-restarts",
 
     "bottlerocket-release",
 

sources/api/migration/migrations/v1.2.0/container-registry-config-restarts/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "container-registry-config-restarts"
+version = "0.1.0"
+authors = ["Erikson Tung <etung@amazon.com>"]
+license = "Apache-2.0 OR MIT"
+edition = "2018"
+publish = false
+
+[dependencies]
+migration-helpers = { path = "../../../migration-helpers" }

sources/api/migration/migrations/v1.2.0/container-registry-config-restarts/src/main.rs

@@ -0,0 +1,37 @@
+#![deny(rust_2018_idioms)]
+
+use migration_helpers::common_migrations::{ListReplacement, ReplaceListsMigration};
+use migration_helpers::{migrate, Result};
+use std::process;
+
+/// We templatized the configuration file for the Docker daemon.
+/// We also added a new configuration file for host-containers and bootstrap-containers
+fn run() -> Result<()> {
+    migrate(ReplaceListsMigration(vec![
+        ListReplacement {
+            setting: "services.docker.configuration-files",
+            old_vals: &["proxy-env"],
+            new_vals: &["docker-daemon-config", "proxy-env"],
+        },
+        ListReplacement {
+            setting: "services.bootstrap-containers.configuration-files",
+            old_vals: &[],
+            new_vals: &["host-ctr-registry-config"],
+        },
+        ListReplacement {
+            setting: "services.host-containers.configuration-files",
+            old_vals: &[],
+            new_vals: &["host-ctr-registry-config"],
+        },
+    ]))
+}
+
+// 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/v1.2.0/container-registry-mirrors/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "container-registry-mirrors"
+version = "0.1.0"
+authors = ["Erikson Tung <etung@amazon.com>"]
+license = "Apache-2.0 OR MIT"
+edition = "2018"
+publish = false
+
+[dependencies]
+migration-helpers = { path = "../../../migration-helpers" }

sources/api/migration/migrations/v1.2.0/container-registry-mirrors/src/main.rs

@@ -0,0 +1,25 @@
+#![deny(rust_2018_idioms)]
+
+use migration_helpers::common_migrations::AddPrefixesMigration;
+use migration_helpers::{migrate, Result};
+use std::process;
+
+/// We added a new setting for configuring image registries, `settings.container-registry`
+/// We also added a new configuration template file for the Docker daemon
+fn run() -> Result<()> {
+    migrate(AddPrefixesMigration(vec![
+        "settings.container-registry",
+        "configuration-files.docker-daemon-config",
+        "configuration-files.host-ctr-registry-config",
+    ]))
+}
+
+// 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);
+    }
+}