mirror of https://github.com/arendst/Tasmota.git
Updated Python HTTP OTA Server (markdown)
Michael Ingraham
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@ -1,21 +1,18 @@
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## Introduction
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Sonoff-Tasmota firmware can be ugraded using 'Firmware Upgrade' option on main menu and selecting an OTA URL to fetch (and flash) a new firmware on the device.
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Tasmota firmware can be upgraded using 'Firmware Upgrade' option on main menu and selecting an OTA URL to fetch (and flash) a new firmware on the device.
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<p align="center">
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<img src="https://github.com/arendst/arendst.github.io/blob/master/media/fw-upgrade-menu.png">
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</p>
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To use this nice feature users need to deploy an HTTP server with Apache, Nginx or other software solutions switching
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to superuser privileges and installing additional packages (and libraries) on his own Linux/Windows box.
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To use this feature, firmware files need to be hosted on an HTTP web server (e.g., http://thehackbox.org/tasmota). Alternatively, users can to deploy a local HTTP server with Apache, Nginx, or other software solutions.
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Python makes available Flask (micro)framework (http://flask.pocoo.org) that can be used at different levels of complexity due to its modular architecture. A simple HTTP server (hello-world) can be developed only by *six* lines of Python code (http://flask.pocoo.org/docs/1.0/quickstart/#a-minimal-application).
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Python makes available the [Flask (micro)framework](http://flask.pocoo.org) that can be used at different levels of complexity due to its modular architecture. [A simple HTTP server](http://flask.pocoo.org/docs/1.0/quickstart/#a-minimal-application) (hello-world) can be developed with only *six* lines of Python code.
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A Flask application to offer Sonoff-Tasmota firmware images for OTA upgrades is available in 'tools' directory (https://github.com/arendst/Sonoff-Tasmota/tree/development/tools/fw_server/fw-server.py).
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A Flask application to offer Tasmota firmware images for OTA upgrades is available as part of the available [tools](https://github.com/arendst/Sonoff-Tasmota/tree/development/tools/fw_server/).
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## Requirements
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* Switching to superuser privileges and installing additional packages (and libraries) on a Linux/Windows box.
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* Python3 (follow instruction related to your operating system)
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* netifaces and Flask libraries - can be installed by 'pip' package manager:
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```
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@ -23,50 +20,36 @@ pip install netifaces flask
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```
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## Instructions:
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Copy Tasmota firmware binary files in 'tools/fw' directory. A set of pre-built firmware binary files can be downloaded from the Tasmota [repository](http://thehackbox.org/tasmota).
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Copy Sonoff-Tasmota firmware binary files in 'tools/fw' directory.
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A set of prebuilt files can be downloaded by Sonoff-Tasmota release page:
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* https://github.com/arendst/Sonoff-Tasmota/releases
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Configure your Sonoff-Tasmota device with your fw-server URL:
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Configure your Tasmota device with your fw-server URL:
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```
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Firmware Upgrade -> Upgrade by web server:
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http://<ip_address>:5000/sonoff-minimal.bin
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http://<ip_address>:5000/sonoff.bin
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```
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or use the following commands:
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or use the following command:
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```
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otaurl http://<ip_address>:5000/sonoff-minimal.bin
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upgrade 1
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Backlog OTAURL http://<ip_address>:5000/sonoff.bin; Upgrade 1
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```
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## Usage:
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## Usage
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To start Python HTTP server:
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```
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python fw-server.py -d <net_iface> (default: eth0)
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`python fw-server.py -d <net_iface> (default: eth0)`
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or
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python fw-server.py -i <ip_address>
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```
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`python fw-server.py -i <ip_address>`
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Example:
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```
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python fw-server.py -d wlan0
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`python fw-server.py -d wlan0`
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or
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python fw-server.py -i 192.168.1.1
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```
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`python fw-server.py -i 192.168.1.1`
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## Note
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On Windows operating system it is advisable to use '-i' option because Windows uses UUID name for network interfaces that are not so easy to type...
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**Note:** On Windows it is advisable to use '-i' option because Windows uses UUID naming for network interfaces that are difficult to enter.
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## Linux server:
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If your MQTT broker is hosted on a local server, you may want Tasmota OTA to work the same server as a service. Here is how to achieve this:
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If your MQTT broker is hosted on a local server, you may want Tasmota OTA to work the same, as a service. Here is how to achieve this:
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- Copy the python script on the linux server
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- Copy the python script on the Linux server
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```
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$ sudo su
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# mkdir /srv/tasmota/fw_server/fw
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@ -90,7 +73,6 @@ Restart=on-failure
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WantedBy=multi-user.target
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```
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- User rights
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We have created those files and directories as `root` but it is not desirable, the option `User=XYZ` should be uncommented and `XYZ` replaced by you usernane.
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In the following commands too, replace 4 time `XYZ` by your username :
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@ -104,28 +86,27 @@ In the following commands too, replace 4 time `XYZ` by your username :
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# systemctl enable tasmota.service
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# systemctl start tasmota.service
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```
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- Check the service is active and runnning.
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- Check the service is active and running.
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```
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# systemctl status tasmota.service
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```
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- Test of the server
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To feed the Linux server, we're now able to copy new firmware files in the folder `/srv/tasmota/fw_server/fw` with `XYZ` user rights. It can be done using `scp` or `samba` for instance. Upload `firmware.bin` into the folder. The service can be tested from any browser by issuing the address `http://<ip_address>:5000/firmware.bin` were `<ip_address>` is the address of the Linux server.
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To feed the linux server, we're now able to copy new firmwares in the folder `/srv/tasmota/fw_server/fw` with `XYZ` user rights. It can be done using `scp` or `samba` for instance.
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Let's upload `firmware.bin` into the folder, the service can be tested from any browser by issuing the address `http://<ip_address>:5000/firmware.bin` were `<ip_address>` is the adress of the linux server.
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If you reboot the server, the service should startup again.
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- After a power failure, local HTTP OTA server may become unresponsive
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If your notice that the OTA mechanism is broken, try at first to download the served file from a browser. If you can't, then check the status of the service as said above. After a power failure, it may happen that your wlan0 IP resolves to an invalid value like `169.254.5.153` because your LAN gateway was not ready.
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If your notice that the OTA mechanism is broken, try at first to download the served file from a browser. If you can't, then check the status of the service as said above. After a power failure, your wlan0 IP may resolve to an invalid value like `169.254.5.153` because your LAN gateway was not ready.
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Login as root in a Terminal session and enter:
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```
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$ sudo su
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# systemctl restart tasmota.service
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> systemctl status tasmota.service
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# systemctl status tasmota.service
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```
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if you recognize the IP of your server on the last status line, it should be OK now... OTA service restored!
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If you recognize the IP address of your server on the last status line, it should be OK now... OTA service restored!
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- PlatformIO
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Now if you want PlatformIO to be able to upload your compiled binaries to the local server, you'll still have to setup `ssh` with `ssh-keygen` in order to use the Tasmota script `pio/sftp-uploader.py` without password.
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If you want PlatformIO to be able to upload your compiled binaries to the local server, you'll still have to setup `ssh` with `ssh-keygen` in order to use the Tasmota script `pio/sftp-uploader.py` without password.
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