From 6e12de0744201cf58d9b1624241cea66950dde82 Mon Sep 17 00:00:00 2001
From: Yu-Ju Hong <yjhong@google.com>
Date: Tue, 23 Apr 2019 11:53:16 -0700
Subject: [PATCH] GCE/Windows: Configure Docker to rotate container logs

---
 cluster/gce/windows/configure.ps1       |  1 +
 cluster/gce/windows/k8s-node-setup.psm1 | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/cluster/gce/windows/configure.ps1 b/cluster/gce/windows/configure.ps1
index 413a1d615b..0235cb9c61 100644
--- a/cluster/gce/windows/configure.ps1
+++ b/cluster/gce/windows/configure.ps1
@@ -115,6 +115,7 @@ try {
   InstallAndStart-LoggingAgent
 
   Create-DockerRegistryKey
+  Configure-Dockerd
   DownloadAndInstall-KubernetesBinaries
   Create-NodePki
   Create-KubeletKubeconfig
diff --git a/cluster/gce/windows/k8s-node-setup.psm1 b/cluster/gce/windows/k8s-node-setup.psm1
index ac521b3885..6f20f65d38 100644
--- a/cluster/gce/windows/k8s-node-setup.psm1
+++ b/cluster/gce/windows/k8s-node-setup.psm1
@@ -1058,6 +1058,21 @@ function Create-DockerRegistryKey {
   Remove-Item -Force -Recurse ${tmp_dir}
 }
 
+# Configure Docker daemon and restart the service.
+function Configure-Dockerd {
+  Set-Content "C:\ProgramData\docker\config\daemon.json" @'
+{
+  "log-driver": "json-file",
+  "log-opts": {
+    "max-size": "1m",
+    "max-file": "5"
+  }
+}
+'@
+
+ Restart-Service Docker
+}
+
 # TODO(pjh): move the Stackdriver logging agent code below into a separate
 # module; it was put here temporarily to avoid disrupting the file layout in
 # the K8s release machinery.