From 385428adb4450492da0c11f97c87d77bdc6236ce Mon Sep 17 00:00:00 2001
From: Fredrik Baberg <fredrik.baberg@gmail.com>
Date: Thu, 19 Jan 2023 23:08:07 +0100
Subject: [PATCH] Add add-on to run ser2net

---
 3dprinter-remote/Dockerfile                   | 14 ++++++++++
 3dprinter-remote/README.md                    |  3 +++
 3dprinter-remote/config.yaml                  | 27 +++++++++++++++++++
 .../rootfs/etc/cont-init.d/ser2net.sh         | 14 ++++++++++
 .../rootfs/etc/services.d/ser2net/finish      |  9 +++++++
 .../rootfs/etc/services.d/ser2net/run         |  9 +++++++
 .../share/tempio/ser2net/ser2net.conf.gtpl    |  2 ++
 7 files changed, 78 insertions(+)
 create mode 100644 3dprinter-remote/Dockerfile
 create mode 100644 3dprinter-remote/README.md
 create mode 100644 3dprinter-remote/config.yaml
 create mode 100644 3dprinter-remote/rootfs/etc/cont-init.d/ser2net.sh
 create mode 100644 3dprinter-remote/rootfs/etc/services.d/ser2net/finish
 create mode 100644 3dprinter-remote/rootfs/etc/services.d/ser2net/run
 create mode 100644 3dprinter-remote/rootfs/usr/share/tempio/ser2net/ser2net.conf.gtpl

diff --git a/3dprinter-remote/Dockerfile b/3dprinter-remote/Dockerfile
new file mode 100644
index 0000000..54bc39d
--- /dev/null
+++ b/3dprinter-remote/Dockerfile
@@ -0,0 +1,14 @@
+ARG BUILD_FROM="ghcr.io/home-assistant/amd64-base"
+
+FROM ${BUILD_FROM} AS final
+
+ENV LANG C.UTF-8
+
+RUN echo "Install base requirements." \
+    && apk add --no-cache ser2net
+COPY rootfs/ /
+WORKDIR /
+
+# Make files executable
+RUN chmod +x /etc/cont-init.d/*.sh
+RUN chmod +x /etc/services.d/*/*
diff --git a/3dprinter-remote/README.md b/3dprinter-remote/README.md
new file mode 100644
index 0000000..ba8ae74
--- /dev/null
+++ b/3dprinter-remote/README.md
@@ -0,0 +1,3 @@
+# 3dprinter-remote
+
+Provides remote access to 3DPrinter. Add-on runs ser2net and can be connected to by e.g. socat.
diff --git a/3dprinter-remote/config.yaml b/3dprinter-remote/config.yaml
new file mode 100644
index 0000000..e90209b
--- /dev/null
+++ b/3dprinter-remote/config.yaml
@@ -0,0 +1,27 @@
+name: "3DPrinter-remote"
+version: "2023.01.0"
+slug: "3dprinter-remote"
+description: "Add-on for accessing 3DPrinter remotely using socat"
+url: "https://github.com/fredrikbaberg/ha-3dprinter-addons/tree/main/3dprinter-remote"
+arch:
+    - armv7
+    - amd64
+    - armhf
+    - aarch64
+    - i386
+stage: experimental
+init: false
+usb: true
+ports:
+    9999/tcp: null
+ports_description:
+    9999/tcp: Port for access to ser2net
+options:
+    printer_path: "/dev/null"
+    printer_baudrate: "115200"
+    ser2net_args: ""
+schema:
+    printer_path: "str"
+    printer_baudrate: "int"
+    ser2net_args: "str?"
+# image: ghcr.io/fredrikbaberg/ha-addon-3dprinter-remote-{arch}
diff --git a/3dprinter-remote/rootfs/etc/cont-init.d/ser2net.sh b/3dprinter-remote/rootfs/etc/cont-init.d/ser2net.sh
new file mode 100644
index 0000000..96456b3
--- /dev/null
+++ b/3dprinter-remote/rootfs/etc/cont-init.d/ser2net.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/with-contenv bashio
+# ==============================================================================
+# Add-on: 3dprinter-remote
+# Setup ser2net.conf
+# ==============================================================================
+
+# Generate ser2net configuration
+bashio::var.json \
+    printer_path "$(bashio::config 'printer_path')" \
+    printer_baudrate "$(bashio::config 'printer_baudrate')" \
+    ser2net_args "$(bashio::config 'ser2net_args')" \
+    | tempio \
+        -template /usr/share/tempio/ser2net/ser2net.conf.gtpl \
+        -out /etc/ser2net.conf
diff --git a/3dprinter-remote/rootfs/etc/services.d/ser2net/finish b/3dprinter-remote/rootfs/etc/services.d/ser2net/finish
new file mode 100644
index 0000000..1ecc5e9
--- /dev/null
+++ b/3dprinter-remote/rootfs/etc/services.d/ser2net/finish
@@ -0,0 +1,9 @@
+#!/usr/bin/execlineb -S0
+# ==============================================================================
+# Add-on: mjpg-streamer
+# Take down the S6 supervision tree when mjpg-streamer fails
+# ==============================================================================
+if -n { s6-test $# -ne 0 }
+if -n { s6-test ${1} -eq 256 }
+
+s6-svscanctl -t /var/run/s6/services
diff --git a/3dprinter-remote/rootfs/etc/services.d/ser2net/run b/3dprinter-remote/rootfs/etc/services.d/ser2net/run
new file mode 100644
index 0000000..d50ed47
--- /dev/null
+++ b/3dprinter-remote/rootfs/etc/services.d/ser2net/run
@@ -0,0 +1,9 @@
+#!/usr/bin/with-contenv bashio
+# ==============================================================================
+# Add-on: 3dprinter-remote
+# Runs ser2net
+# ==============================================================================
+
+bashio::log.info "Starting mjpg-streamer.."
+
+exec ser2net -d
diff --git a/3dprinter-remote/rootfs/usr/share/tempio/ser2net/ser2net.conf.gtpl b/3dprinter-remote/rootfs/usr/share/tempio/ser2net/ser2net.conf.gtpl
new file mode 100644
index 0000000..9fbc5bb
--- /dev/null
+++ b/3dprinter-remote/rootfs/usr/share/tempio/ser2net/ser2net.conf.gtpl
@@ -0,0 +1,2 @@
+9999:raw:0:{{ .printer_path }}:{{ .printer_baudrate }} {{ .ser2net_args }}
+BANNER:banner1:Welcome to ser2net \rTCP port \p device \d\r