Add fn to get number of running containers on endpoint

Signed-off-by: Matthias Beyer <matthias.beyer@atos.net>

1 files changed, 18 insertions, 0 deletions

diff --git a/src/endpoint/configured.rs b/src/endpoint/configured.rs
index 4a0e933..c6c4953 100644
--- a/src/endpoint/configured.rs
+++ b/src/endpoint/configured.rs
@@ -281,6 +281,24 @@ impl Endpoint {
             })
     }
 
+    pub async fn number_of_running_containers(&self) -> Result<usize> {
+        self.docker
+            .containers()
+            .list({
+                &shiplift::builder::ContainerListOptions::builder()
+                .all()
+                .build()
+            })
+            .await
+            .map_err(Error::from)
+            .map(|list| {
+                list.into_iter()
+                    .inspect(|stat| trace!("stat = {:?}", stat))
+                    .filter(|stat| stat.state == "running")
+                    .count()
+            })
+    }
+
     pub async fn has_container_with_id(&self, id: &str) -> Result<bool> {
         self.container_stats()
             .await?