From ee709d0ff43547b1f2d97a901fbef4d835ee2c65 Mon Sep 17 00:00:00 2001
From: Richard Bremner <richard@codezuki.com>
Date: Mon, 1 Jul 2024 08:13:57 +1000
Subject: [PATCH] feat(install): auto updating binary (#213)

feat(install): auto updating binary (#4)

Note: install notes guide the user through these steps, this code doesn't run in a deployment
---
 ops/lilypad-updater.sh              | 41 +++++++++++++++++++++++++++++
 ops/systemd/lilpad-updater.timer    |  9 +++++++
 ops/systemd/lilypad-updater.service |  8 ++++++
 3 files changed, 58 insertions(+)
 create mode 100755 ops/lilypad-updater.sh
 create mode 100644 ops/systemd/lilpad-updater.timer
 create mode 100644 ops/systemd/lilypad-updater.service

diff --git a/ops/lilypad-updater.sh b/ops/lilypad-updater.sh
new file mode 100755
index 00000000..ef5faaaf
--- /dev/null
+++ b/ops/lilypad-updater.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+# Detect your machine's architecture and set it as $OSARCH
+OSARCH=$(uname -m | awk '{if ($0 ~ /arm64|aarch64/) print "arm64"; else if ($0 ~ /x86_64|amd64/) print "amd64"; else print "unsupported_arch"}')
+export OSARCH
+
+# Detect your operating system and set it as $OSNAME
+OSNAME=$(uname -s | awk '{if ($1 == "Darwin") print "darwin"; else if ($1 == "Linux") print "linux"; else print "unsupported_os"}')
+export OSNAME
+
+# Get the latest version URL
+LATEST_URL=$(curl -s https://api.github.com/repos/lilypad-tech/lilypad/releases/latest | grep "browser_download_url.*lilypad-$OSNAME-$OSARCH" | cut -d : -f 2,3 | tr -d \")
+
+# Extract the latest version (including short SHA) from the URL
+LATEST_VERSION=$(echo $LATEST_URL | sed -n 's#.*/download/\([^/]*\)/.*#\1#p')
+
+# Get the current version
+CURRENT_VERSION=$(/usr/local/bin/lilypad version | grep "Lilypad:" | awk '{print $2}')
+
+echo "Current version: $CURRENT_VERSION"
+echo "Latest version: $LATEST_VERSION"
+
+if [ "$CURRENT_VERSION" != "$LATEST_VERSION" ]; then
+  echo "Updating lilypad binary from version $CURRENT_VERSION to $LATEST_VERSION"
+  sudo systemctl stop lilypad-resource-provider
+  echo "Stopped the service: sudo systemctl stop lilypad-resource-provider"
+  
+  curl -L -o lilypad "$LATEST_URL"
+  echo "Downloaded the latest version from $LATEST_URL"
+  
+  chmod +x lilypad
+  sudo mv lilypad /usr/local/bin/lilypad
+  echo "Made the new binary executable and moved it to /usr/local/bin/lilypad"
+  
+  sudo systemctl start lilypad-resource-provider
+  echo "Restarted the service: sudo systemctl start lilypad-resource-provider"
+  
+  echo "Update complete."
+else
+  echo "Lilypad binary is already up to date."
+fi
\ No newline at end of file
diff --git a/ops/systemd/lilpad-updater.timer b/ops/systemd/lilpad-updater.timer
new file mode 100644
index 00000000..dce25e71
--- /dev/null
+++ b/ops/systemd/lilpad-updater.timer
@@ -0,0 +1,9 @@
+[Unit]
+Description=Run lilypad-updater every hour
+
+[Timer]
+OnBootSec=10min
+OnUnitActiveSec=1h
+
+[Install]
+WantedBy=timers.target
\ No newline at end of file
diff --git a/ops/systemd/lilypad-updater.service b/ops/systemd/lilypad-updater.service
new file mode 100644
index 00000000..73a04552
--- /dev/null
+++ b/ops/systemd/lilypad-updater.service
@@ -0,0 +1,8 @@
+[Unit]
+Description=Check and update Lilypad binary
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+ExecStart=/usr/local/bin/lilypad-updater.sh
\ No newline at end of file