[Huge] Util Refactor, Dashboard Improvements, Hass.io Auth API, Better Validation Errors, Conditions, Custom Platforms, Substitutions (#234)

* Implement custom sensor platform

* Update

* Ethernet

* Lint

* Fix

* Login page

* Rename cookie secret

* Update manifest

* Update cookie check logic

* Favicon

* Fix

* Favicon manifest

* Fix

* Fix

* Fix

* Use hostname

* Message

* Temporary commit for screenshot

* Automatic board selection

* Undo temporary commit

* Update esphomeyaml-edge

* In-dashboard editing and hosting files locally

* Update esphomeyaml-edge

* Better ANSI color escaping

* Message

* Lint

* Download Efficiency

* Fix gitlab

* Fix

* Rename extra_libraries to libraries

* Add example

* Update README.md

* Update README.md

* Update README.md

* HassIO -> Hass.io

* Updates

* Add update available notice

* Update

* Fix substitutions

* Better error message

* Re-do dashboard ANSI colors

* Only include FastLED if user says so

* Autoscroll logs

* Remove old checks

* Use safer RedirectText

* Improvements

* Fix

* Use enviornment variable

* Use http://hassio/host/info

* Fix conditions

* Update platformio versions

* Revert "Use enviornment variable"

This reverts commit 7f038eb5d2.

* Fix

* README update

* Temp

* Better invalid config messages

* Platformio debug

* Improve error messages

* Debug

* Remove debug

* Multi Conf

* Update

* Better paths

* Remove unused

* Fixes

* Lint

* lib_ignore

* Try fix platformio colors

* Fix dashboard scrolling

* Revert

* Lint

* Revert

esphomeyaml-edge/rootfs/etc/cont-init.d/10-requirements.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/with-contenv bash
+# ==============================================================================
+# Community Hass.io Add-ons: esphomeyaml
+# This files check if all user configuration requirements are met
+# ==============================================================================
+# shellcheck disable=SC1091
+source /usr/lib/hassio-addons/base.sh
+
+# Check SSL requirements, if enabled
+if hass.config.true 'ssl'; then
+    if ! hass.config.has_value 'certfile'; then
+        hass.die 'SSL is enabled, but no certfile was specified.'
+    fi
+
+    if ! hass.config.has_value 'keyfile'; then
+        hass.die 'SSL is enabled, but no keyfile was specified'
+    fi
+
+    if ! hass.file_exists "/ssl/$(hass.config.get 'certfile')"; then
+        if ! hass.file_exists "/ssl/$(hass.config.get 'keyfile')"; then
+            # Both files are missing, let's print a friendlier error message
+            text = "You enabled encrypted connections using the \"ssl\": true option.
+            However, the SSL files \"$(hass.config.get 'certfile')\" and \"$(hass.config.get 'keyfile')\"
+            were not found. If you're using Hass.io on your local network and don't want
+            to encrypt connections to the esphomeyaml dashboard, you can manually disable
+            SSL by setting \"ssl\" to false."
+            hass.die "${text}"
+        fi
+        hass.die 'The configured certfile is not found'
+    fi
+
+    if ! hass.file_exists "/ssl/$(hass.config.get 'keyfile')"; then
+        hass.die 'The configured keyfile is not found'
+    fi
+fi

esphomeyaml-edge/rootfs/etc/cont-init.d/20-nginx.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/with-contenv bash
+# ==============================================================================
+# Community Hass.io Add-ons: esphomeyaml
+# Configures NGINX for use with esphomeyaml
+# ==============================================================================
+# shellcheck disable=SC1091
+source /usr/lib/hassio-addons/base.sh
+
+declare certfile
+declare keyfile
+
+mkdir -p /var/log/nginx
+
+# Enable SSL
+if hass.config.true 'ssl'; then
+    rm /etc/nginx/nginx.conf
+    mv /etc/nginx/nginx-ssl.conf /etc/nginx/nginx.conf
+
+    certfile=$(hass.config.get 'certfile')
+    keyfile=$(hass.config.get 'keyfile')
+
+    sed -i "s/%%certfile%%/${certfile}/g" /etc/nginx/nginx.conf
+    sed -i "s/%%keyfile%%/${keyfile}/g" /etc/nginx/nginx.conf
+fi

esphomeyaml-edge/rootfs/etc/nginx/nginx-ssl.conf

@@ -0,0 +1,62 @@
+worker_processes  1;
+pid /var/run/nginx.pid;
+error_log stderr;
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    access_log         stdout;
+    include            mime.types;
+    default_type       application/octet-stream;
+    sendfile           on;
+    keepalive_timeout  65;
+
+    upstream esphomeyaml {
+        ip_hash;
+        server 127.0.0.1:80;
+    }
+    map $http_upgrade $connection_upgrade {
+        default upgrade;
+        ''      close;
+    }
+
+    server {
+        server_name hassio.local;
+        listen 6052 default_server ssl;
+        root /dev/null;
+
+        ssl_certificate /ssl/%%certfile%%;
+        ssl_certificate_key /ssl/%%keyfile%%;
+        ssl_protocols TLSv1.2;
+        ssl_prefer_server_ciphers on;
+        ssl_ciphers ECDHE-RSA-AES256-GCM-SHA512:DHE-RSA-AES256-GCM-SHA512:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:DHE-RSA-AES256-SHA;
+        ssl_ecdh_curve secp384r1;
+        ssl_session_timeout  10m;
+        ssl_session_cache shared:SSL:10m;
+        ssl_session_tickets off;
+        ssl_stapling on;
+        ssl_stapling_verify on;
+
+        # Redirect http requests to https on the same port.
+        # https://rageagainstshell.com/2016/11/redirect-http-to-https-on-the-same-port-in-nginx/
+        error_page 497 https://$http_host$request_uri;
+
+        location / {
+            proxy_redirect off;
+            proxy_pass http://esphomeyaml;
+
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection $connection_upgrade;
+            proxy_set_header Authorization "";
+
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_set_header Host $http_host;
+            proxy_set_header X-NginX-Proxy true;
+        }
+    }
+}

esphomeyaml-edge/rootfs/etc/nginx/nginx.conf

@@ -0,0 +1,46 @@
+worker_processes  1;
+pid /var/run/nginx.pid;
+error_log stderr;
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    access_log         stdout;
+    include            mime.types;
+    default_type       application/octet-stream;
+    sendfile           on;
+    keepalive_timeout  65;
+
+    upstream esphomeyaml {
+        ip_hash;
+        server 127.0.0.1:80;
+    }
+    map $http_upgrade $connection_upgrade {
+        default upgrade;
+        ''      close;
+    }
+
+    server {
+        server_name hassio.local;
+        listen 6052 default_server;
+        root /dev/null;
+
+        location / {
+            proxy_redirect off;
+            proxy_pass http://esphomeyaml;
+
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection $connection_upgrade;
+            proxy_set_header Authorization "";
+
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_set_header Host $http_host;
+            proxy_set_header X-NginX-Proxy true;
+        }
+    }
+}

esphomeyaml-edge/rootfs/etc/services.d/esphomeyaml/finish

@@ -0,0 +1,9 @@
+#!/usr/bin/execlineb -S0
+# ==============================================================================
+# Community Hass.io Add-ons: esphomeyaml
+# Take down the S6 supervision tree when esphomeyaml fails
+# ==============================================================================
+if -n { s6-test $# -ne 0 }
+if -n { s6-test ${1} -eq 256 }
+
+s6-svscanctl -t /var/run/s6/services

esphomeyaml-edge/rootfs/etc/services.d/esphomeyaml/run

@@ -0,0 +1,14 @@
+#!/usr/bin/with-contenv bash
+# ==============================================================================
+# Community Hass.io Add-ons: esphomeyaml
+# Runs the esphomeyaml dashboard
+# ==============================================================================
+# shellcheck disable=SC1091
+source /usr/lib/hassio-addons/base.sh
+
+if hass.config.true 'leave_front_door_open'; then
+    export DISABLE_HA_AUTHENTICATION=true
+fi
+
+hass.log.info "Starting esphomeyaml dashboard..."
+exec esphomeyaml /config/esphomeyaml dashboard --port 80 --hassio

esphomeyaml-edge/rootfs/etc/services.d/nginx/finish

@@ -0,0 +1,9 @@
+#!/usr/bin/execlineb -S0
+# ==============================================================================
+# Community Hass.io Add-ons: esphomeyaml
+# Take down the S6 supervision tree when NGINX fails
+# ==============================================================================
+if -n { s6-test $# -ne 0 }
+if -n { s6-test ${1} -eq 256 }
+
+s6-svscanctl -t /var/run/s6/services

esphomeyaml-edge/rootfs/etc/services.d/nginx/run

@@ -0,0 +1,10 @@
+#!/usr/bin/with-contenv bash
+# ==============================================================================
+# Community Hass.io Add-ons: esphomeyaml
+# Runs the NGINX proxy
+# ==============================================================================
+# shellcheck disable=SC1091
+source /usr/lib/hassio-addons/base.sh
+
+hass.log.info "Starting NGINX..."
+exec nginx -g "daemon off;"