From efa287c38cb0108108551c07fecfd41e66206a2f Mon Sep 17 00:00:00 2001
From: Hector Huertas <hectorhuertas@gmail.com>
Date: Thu, 21 May 2020 14:47:19 +0200
Subject: [PATCH] Ensure journald uses disk instead of memory (#126)

---
 cfssl.tf        | 4 ++++
 common.tf       | 6 ++++++
 etcd.tf         | 4 ++++
 master.tf       | 4 ++++
 storage-node.tf | 4 ++++
 worker.tf       | 4 ++++
 6 files changed, 26 insertions(+)

diff --git a/cfssl.tf b/cfssl.tf
index 79bc784..ec27d9b 100644
--- a/cfssl.tf
+++ b/cfssl.tf
@@ -219,4 +219,8 @@ data "ignition_config" "cfssl" {
     module.cfssl-restarter.systemd_units,
     var.cfssl_additional_systemd_units
   )
+
+  directories = [
+    data.ignition_directory.journald.id
+  ]
 }
diff --git a/common.tf b/common.tf
index 1110853..e4da0ee 100644
--- a/common.tf
+++ b/common.tf
@@ -68,3 +68,9 @@ data "ignition_file" "kubelet" {
     source = "https://storage.googleapis.com/kubernetes-release/release/${var.hyperkube_image_tag}/bin/linux/amd64/kubelet"
   }
 }
+
+# Dir used by systemd to store logs in disk instead of memory
+data "ignition_directory" "journald" {
+  filesystem = "root"
+  path       = "/var/log/journal"
+}
diff --git a/etcd.tf b/etcd.tf
index fbf55ee..417559d 100644
--- a/etcd.tf
+++ b/etcd.tf
@@ -160,4 +160,8 @@ data "ignition_config" "etcd" {
     module.etcd-cert-fetcher.systemd_units,
     var.etcd_additional_systemd_units
   )
+
+  directories = [
+    data.ignition_directory.journald.id
+  ]
 }
diff --git a/master.tf b/master.tf
index 34058c8..73a59d4 100644
--- a/master.tf
+++ b/master.tf
@@ -465,4 +465,8 @@ data "ignition_config" "master" {
     module.cert-refresh-master.systemd_units,
     var.master_additional_systemd_units,
   )
+
+  directories = [
+    data.ignition_directory.journald.id
+  ]
 }
diff --git a/storage-node.tf b/storage-node.tf
index 0240fd0..bcf30d6 100644
--- a/storage-node.tf
+++ b/storage-node.tf
@@ -85,4 +85,8 @@ data "ignition_config" "storage-node" {
     module.cert-refresh-node.systemd_units,
     var.storage_node_additional_systemd_units
   )
+
+  directories = [
+    data.ignition_directory.journald.id
+  ]
 }
diff --git a/worker.tf b/worker.tf
index 9845171..9e81cc4 100644
--- a/worker.tf
+++ b/worker.tf
@@ -67,4 +67,8 @@ data "ignition_config" "worker" {
     module.cert-refresh-node.systemd_units,
     var.worker_additional_systemd_units
   )
+
+  directories = [
+    data.ignition_directory.journald.id
+  ]
 }