Collect additional logs with CAPD log collector

Signed-off-by: Alexandr Demicev <[email protected]>

Author: alexander-demicev

test/framework/docker_logcollector.go

@@ -35,7 +35,16 @@ import (
 )
 
 // DockerLogCollector collect logs from a CAPD workload cluster.
-type DockerLogCollector struct{}
+type DockerLogCollector struct {
+	AdditionalLogs []AdditionalLogs
+}
+
+// AdditionalLogs is a struct to hold instruction for additional logs that need to be collected.
+type AdditionalLogs struct {
+	OutputFileName string
+	Command        string
+	Args           []string
+}
 
 // machineContainerName return a container name using the same rule used in CAPD.
 // NOTE: if the cluster name is already included in the machine name, the cluster name is not add thus
@@ -149,7 +158,8 @@ func (k DockerLogCollector) collectLogsFromNode(ctx context.Context, outputPath
 			return osExec.Command("tar", "--extract", "--file", tempfileName, "--directory", outputDir).Run() //nolint:gosec // We don't care about command injection here.
 		}
 	}
-	return errors.AggregateConcurrent([]func() error{
+
+	collectFuncs := []func() error{
 		execToPathFn(
 			"journal.log",
 			"journalctl", "--no-pager", "--output=short-precise",
@@ -175,7 +185,13 @@ func (k DockerLogCollector) collectLogsFromNode(ctx context.Context, outputPath
 			"journalctl", "--no-pager", "--output=short-precise", "-u", "containerd.service",
 		),
 		copyDirFn("/var/log/pods", "pods"),
-	})
+	}
+
+	for _, additionalLogs := range k.AdditionalLogs {
+		collectFuncs = append(collectFuncs, execToPathFn(additionalLogs.OutputFileName, additionalLogs.Command, additionalLogs.Args...))
+	}
+
+	return errors.AggregateConcurrent(collectFuncs)
 }
 
 // fileOnHost is a helper to create a file at path