add migration for aws-config setting generator

Add migration for the new aws-config setting generator.

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

Release.toml

@@ -1,4 +1,4 @@
-version = "1.26.2"
+version = "1.27.0"
 
 [migrations]
 "(0.3.1, 0.3.2)" = ["migrate_v0.3.2_admin-container-v0-5-0.lz4"]
@@ -368,3 +368,6 @@ version = "1.26.2"
 "(1.25.0, 1.26.0)" = []
 "(1.26.0, 1.26.1)" = []
 "(1.26.1, 1.26.2)" = []
+"(1.26.2, 1.27.0)" = [
+    "migrate_v1.27.0_aws-config.lz4",
+]

Twoliter.toml

@@ -1,5 +1,5 @@
 schema-version = 1
-release-version = "1.26.2"
+release-version = "1.27.0"
 
 [vendor.bottlerocket]
 registry = "public.ecr.aws/bottlerocket"

sources/Cargo.toml

@@ -65,6 +65,7 @@ members = [
     "settings-migrations/v1.25.0/public-admin-container-v0-11-13",
     "settings-migrations/v1.25.0/aws-control-container-v0-7-17",
     "settings-migrations/v1.25.0/public-control-container-v0-7-17",
+    "settings-migrations/v1.27.0/aws-config",
     "settings-plugins/aws-dev",
     "settings-plugins/aws-ecs-1",
     "settings-plugins/aws-ecs-2",

sources/settings-migrations/v1.27.0/aws-config/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "aws-config"
+version = "0.1.0"
+authors = ["Gavin Inglis <[email protected]>"]
+license = "Apache-2.0 OR MIT"
+edition = "2021"
+publish = false
+# Don't rebuild crate just because of changes to README.
+exclude = ["README.md"]
+
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+migration-helpers.workspace = true

sources/settings-migrations/v1.27.0/aws-config/src/main.rs

@@ -0,0 +1,21 @@
+use migration_helpers::common_migrations::{AddMetadataMigration, SettingMetadata};
+use migration_helpers::{migrate, Result};
+use std::process;
+
+///  We added new settings metadata, `aws.config.setting-generator`
+fn run() -> Result<()> {
+    migrate(AddMetadataMigration(&[SettingMetadata {
+        metadata: &["setting-generator"],
+        setting: "settings.aws.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/shared-defaults/aws-creds.toml

@@ -1,6 +1,9 @@
 [settings.aws]
 profile = "default"
 
+[metadata.settings.aws.config]
+setting-generator = "schnauzer-v2 render --requires 'aws@v1(helpers=[aws-config])' --template '{{ aws-config settings.aws.config settings.aws.profile }}'"
+
 [services.aws]
 configuration-files = [
   "aws-config",