migrations: add migration to remove ECS settings applier

Signed-off-by: Arnaldo Garcia Rincon <[email protected]>

Release.toml

@@ -1,4 +1,4 @@
-version = "1.19.3"
+version = "1.20.0"
 
 [migrations]
 "(0.3.1, 0.3.2)" = ["migrate_v0.3.2_admin-container-v0-5-0.lz4"]
@@ -285,3 +285,6 @@ version = "1.19.3"
     "migrate_v1.19.3_corndog-config-file-v0-1-0.lz4",
     "migrate_v1.19.3_corndog-services-cfg-v0-1-0.lz4",
 ]
+"(1.19.3, 1.20.0)" = [
+    "migrate_v1.20.0_remove-ecs-settings-applier.lz4",
+]

Twoliter.toml

@@ -1,5 +1,5 @@
 schema-version = 1
-release-version = "1.19.3"
+release-version = "1.20.0"
 
 [sdk]
 registry = "public.ecr.aws/bottlerocket"

sources/Cargo.toml

@@ -71,6 +71,7 @@ members = [
     "api/migration/migrations/v1.19.3/host-containers-config-list-v0-1-0",
     "api/migration/migrations/v1.19.3/corndog-config-file-v0-1-0",
     "api/migration/migrations/v1.19.3/corndog-services-cfg-v0-1-0",
+    "api/migration/migrations/v1.20.0/remove-ecs-settings-applier",
 
     "bloodhound",
 

sources/api/migration/migrations/v1.20.0/remove-ecs-settings-applier/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "remove-ecs-settings-applier"
+version = "0.1.0"
+edition = "2021"
+authors = ["Arnaldo Garcia <[email protected]>"]
+license = "Apache-2.0 OR MIT"
+publish = false
+exclude = ["README.md"]
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+migration-helpers = { path = "../../../migration-helpers", version = "0.1.0" }

sources/api/migration/migrations/v1.20.0/remove-ecs-settings-applier/src/main.rs

@@ -0,0 +1,23 @@
+use migration_helpers::common_migrations::{ListReplacement, ReplaceListsMigration};
+use migration_helpers::{migrate, Result};
+use std::process;
+
+/// We updated the 'affected-services' list metadata for 'settings.ecs' to remove
+/// ecs-settings-applier on upgrade, and to add it on downgrade
+fn run() -> Result<()> {
+    migrate(ReplaceListsMigration(vec![ListReplacement {
+        setting: "services.ecs.restart-commands",
+        old_vals: &[
+            "/usr/bin/ecs-settings-applier",
+            "/bin/systemctl try-reload-or-restart ecs.service",
+        ],
+        new_vals: &["/bin/systemctl try-reload-or-restart ecs.service"],
+    }]))
+}
+
+fn main() {
+    if let Err(e) = run() {
+        eprintln!("{}", e);
+        process::exit(1);
+    }
+}