From c873f3a1cb9d59caecfe3f78d04fd0b67e1d8161 Mon Sep 17 00:00:00 2001
From: Ilion Beyst <ilion.beyst@gmail.com>
Date: Sat, 21 May 2022 14:20:38 +0200
Subject: stop and remove bot containers after match is finished

---
 planetwars-matchrunner/src/docker_runner.rs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'planetwars-matchrunner/src/docker_runner.rs')

diff --git a/planetwars-matchrunner/src/docker_runner.rs b/planetwars-matchrunner/src/docker_runner.rs
index d563d60..6e73e08 100644
--- a/planetwars-matchrunner/src/docker_runner.rs
+++ b/planetwars-matchrunner/src/docker_runner.rs
@@ -85,16 +85,35 @@ async fn spawn_docker_process(
         .await?;
 
     Ok(ContainerProcess {
+        docker,
+        container_id,
         stdin: input,
         output,
     })
 }
 
 struct ContainerProcess {
+    docker: Docker,
+    container_id: String,
     stdin: Pin<Box<dyn AsyncWrite + Send>>,
     output: Pin<Box<dyn Stream<Item = Result<LogOutput, bollard::errors::Error>> + Send>>,
 }
 
+impl ContainerProcess {
+    // &mut is required here to make terminate().await Sync
+    async fn terminate(&mut self) -> Result<(), bollard::errors::Error> {
+        self.docker
+            .remove_container(
+                &self.container_id,
+                Some(bollard::container::RemoveContainerOptions {
+                    force: true,
+                    ..Default::default()
+                }),
+            )
+            .await
+    }
+}
+
 fn create_docker_bot(
     process: ContainerProcess,
     player_id: u32,
@@ -151,6 +170,11 @@ impl DockerBotRunner {
                 .unwrap()
                 .resolve_request(request_id, request_response);
         }
+
+        self.process
+            .terminate()
+            .await
+            .expect("could not terminate process");
     }
 
     pub async fn communicate(&mut self, input: &[u8]) -> io::Result<Bytes> {
-- 
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