feat(pegboard): add process monitoring, wip sqlite (#1146)

<!-- Please make sure there is an issue that this PR is correlated to. -->
Fixes RVTEE-608
## Changes

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lib/pegboard/container-runner/src/main.rs

@@ -27,10 +27,13 @@ const MAX_BUFFER_BYTES: usize = 1024 * 1024;
 const MAX_PREVIEW_LINES: usize = 128;
 
 fn main() -> anyhow::Result<()> {
-	let pegboard_container_dir = var("PEGBOARD_CONTAINER_DIR")?;
+	let pegboard_container_dir = std::env::args()
+		.skip(1)
+		.next()
+		.context("`container_dir` arg required")?;
 	let pegboard_container_dir = Path::new(&pegboard_container_dir);
-	let root_user_enabled = var("PEGBOARD_META_root_user_enabled")? == "1";
 
+	let root_user_enabled = var("PEGBOARD_META_root_user_enabled")? == "1";
 	let stakeholder = match var("PEGBOARD_META_stakeholder").ok() {
 		Some(x) if x == "dynamic_server" => Stakeholder::DynamicServer {
 			server_id: var("PEGBOARD_META_server_id")?,

lib/pegboard/manager/Cargo.toml

@@ -8,7 +8,9 @@ license = "Apache-2.0"
 [dependencies]
 anyhow = "1.0.79"
 futures-util = { version = "0.3" }
+indoc = "2.0"
 nix = { version = "0.27", default-features = false, features = ["user", "signal"] }
+notify = { version = "6.1.1", default-features = false, features = [ "serde" ] }
 reqwest = { version = "0.11", features = ["stream"] }
 serde = { version = "1.0.195", features = ["derive"] }
 serde_json = "1.0.111"
@@ -26,3 +28,16 @@ url = "2.5.0"
 uuid = { version = "1.6.1", features = ["v4"] }
 
 pegboard = { path = "../../../svc/pkg/pegboard" }
+
+[dependencies.sqlx]
+git = "https://github.com/rivet-gg/sqlx"
+rev = "08d6e61aa0572e7ec557abbedb72cebb96e1ac5b"
+default-features = false
+features = [
+	"runtime-tokio",
+	"migrate",
+	"sqlite",
+	"uuid",
+	"json",
+	"ipnetwork"
+]