From c808bf732579aec6c4ca7a721a4cb16a4f9c8079 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joakim=20S=C3=B8rensen?= <joasoe@gmail.com>
Date: Sat, 15 Aug 2020 15:00:16 +0200
Subject: [PATCH] Add default daemon config, and check for journald

---
 installer.sh | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/installer.sh b/installer.sh
index 637cb1c..ff1fafd 100644
--- a/installer.sh
+++ b/installer.sh
@@ -14,6 +14,7 @@ ARCH=$(uname -m)
 DOCKER_BINARY=/usr/bin/docker
 DOCKER_REPO=homeassistant
 DOCKER_SERVICE=docker.service
+DOCKER_DAEMON_CONFIG=/etc/docker/daemon.json
 URL_VERSION="https://version.home-assistant.io/stable.json"
 URL_HA="https://raw.githubusercontent.com/home-assistant/supervised-installer/master/files/ha"
 URL_BIN_HASSIO="https://raw.githubusercontent.com/home-assistant/supervised-installer/master/files/hassio-supervisor"
@@ -46,6 +47,23 @@ if snap list docker >/dev/null 2>&1; then
     DOCKER_SERVICE="snap.docker.dockerd.service"
 fi
 
+# Detect wrong docker logger config
+if [ ! -f "$DOCKER_DAEMON_CONFIG" ]; then
+  # Write default configuration
+  cat > "$DOCKER_DAEMON_CONFIG" <<- EOF
+    {
+        "log-driver": "journald"
+    }
+EOF
+  # Restart Docker service
+  systemctl restart "$DOCKER_SERVICE"
+else
+  if [[ $(jq -r -e '."log-driver"' "$DOCKER_DAEMON_CONFIG") != "journald" ]]; then 
+    warn "Docker is not using journald as the log driver, this is not supported."
+  fi
+fi
+
+
 # Parse command line parameters
 while [[ $# -gt 0 ]]; do
     arg="$1"