Show container logs and healthcheck status on failure

2024-05-07 17:07:21 +01:00
parent 5be6fa3b4e
commit 773ba3a5ab
7 changed files with 31 additions and 14 deletions
--- a/lib/kamal/commands/app/containers.rb
+++ b/lib/kamal/commands/app/containers.rb
@@ -1,4 +1,6 @@
 module Kamal::Commands::App::Containers
+  DOCKER_HEALTH_LOG_FORMAT    = "'{{json .State.Health}}'"
+
  def list_containers
    docker :container, :ls, "--all", *filter_args
  end
@@ -20,4 +22,10 @@ module Kamal::Commands::App::Containers
  def remove_containers
    docker :container, :prune, "--force", *filter_args
  end
+
+  def container_health_log(version:)
+    pipe \
+      container_id_for(container_name: container_name(version)),
+      xargs(docker(:inspect, "--format", DOCKER_HEALTH_LOG_FORMAT))
+  end
 end