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iiab/roles/nodered/tasks/main.yml
Jerry Vonau 4047894ab6 nginx - group proxypass to apache together
2019-11-28 05:23:14 -06:00

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# 2019-01-16: @jvonau's PR #1403 moved installation of Node.js (8.x for now) &
# npm to roles/nodejs/tasks/main.yml, triggered by roles/nodered/meta/main.yml
# BRUTAL but ensures consistency across OS's / distros like Raspbian Desktop &
# Ubermix that often include an older version of Node-RED. Brutal, as this
# removes customizations on graphical desktop OS's e.g. Raspbian Desktop's:
# 1. Node-RED's icon (Raspberry Menu in top-left -> Programming -> Node-RED)
# 2. scripts like {node-red-start, node-red-stop, node-red-log} in /usr/bin
# 3. other changes per /usr/bin/update-nodejs-and-nodered summarized at
# https://nodered.org/docs/hardware/raspberrypi for example low-memory
# flag --max_old_space_size=256 for unit file (we're using 128 on RPi)
# That we'll reconstitute below!
- name: ASK apt/yum/dnf TO REMOVE PRE-EXISTING 'nodered' (IF PREVIOUSLY INSTALLED BY OS PKG MANAGER)
package:
name: nodered
state: absent
when: nodered_install | bool
# 2012-02-13: the 6 RPi stanzas below recreate Raspbian Desktop's Node-RED
# environment, inspired by:
# https://nodered.org/docs/hardware/raspberrypi
# https://github.com/node-red/raspbian-deb-package/blob/master/resources/update-nodejs-and-nodered
# https://github.com/iiab/iiab/pull/1497
- name: "Globally 'npm install' 3 Node-RED packages: node-red, node-red-admin, node-red-dashboard"
command: npm install -g --unsafe-perm node-red node-red-admin node-red-dashboard
#command: npm install -g --unsafe-perm node-red@latest node-red-admin@latest node-red-dashboard@latest
# Above "@latest" is recommended by https://nodered.org/docs/hardware/raspberrypi (SHOULD WE CONSIDER?)
when: nodered_install and internet_available
- name: "Globally 'npm install' 8 Node-RED learning examples for RPi: node-red-contrib-ibm-watson-iot, node-red-contrib-play-audio, node-red-node-ledborg, node-red-node-ping, node-red-node-pi-sense-hat, node-red-node-random, node-red-node-serialport, node-red-node-smooth"
command: npm install -g --unsafe-perm node-red-contrib-ibm-watson-iot node-red-contrib-play-audio node-red-node-ledborg node-red-node-ping node-red-node-pi-sense-hat node-red-node-random node-red-node-serialport node-red-node-smooth
when: nodered_install and internet_available and is_rpi
# TEST UNNEC ICON/MENU FILE PLACEMENT ON RASPIAN LITE TOO !
- name: 'Download/Install 4 useful items for RPi: Node-RED icon, start menu item, /etc/logrotate.d/nodered, tweaked "Pi cpu temperature.json"'
get_url:
url: "{{ item.url }}"
dest: "{{ item.dest }}"
with_items:
- url: https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/node-red-icon.svg
dest: /usr/share/icons/hicolor/scalable/apps/node-red-icon.svg
- url: https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/Node-RED.desktop
dest: /usr/share/applications/Node-RED.desktop
- url: https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/nodered.rotate
dest: /etc/logrotate.d/nodered
- url: 'https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/Pi%20cpu%20temperature.json'
dest: '/usr/lib/node_modules/node-red-contrib-ibm-watson-iot/examples/Pi cpu temperature.json'
when: nodered_install and internet_available and is_rpi
#- name: Replace/Tweak "node-red-contrib-ibm-watson-iot/examples/Pi cpu temperature.json" (rpi)
# command: 'curl -sL -o /usr/lib/node_modules/node-red-contrib-ibm-watson-iot/examples/Pi\ cpu\ temperature.json https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/Pi%20cpu%20temperature.json'
# when: nodered_install and internet_available and is_rpi
- name: 'Download/Install 4 RPi executables to /usr/bin: node-red-start, node-red-stop, node-red-restart, node-red-log'
get_url:
url: "{{ item }}"
dest: /usr/bin
mode: a+x
with_items:
- https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/node-red-start
- https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/node-red-stop
- https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/node-red-restart
- https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/node-red-log
when: nodered_install and internet_available and is_rpi
## To protect pre-installed packages within /usr/lib/node_modules in graphical
## desktop OS's like Raspbian Desktop & Ubermix, we now only install those that
## are missing -- among the 3+8 below. WARNING: THIS COULD POTENTIALLY LEAD TO
## INCOMPATIBILITIES, IF OS'S /usr/lib/node_modules/node-red GETS OUT OF DATE!
#
## /usr/lib/node_modules/node-red is PRE-INSTALLED by Raspbian Desktop, even if
## their package (42MB, 0.19.4) is a bit out of date compared to npm's (55MB,
## 0.19.5) as of 2019-02-12. Among others in /usr/lib/node_modules, pre-placed
## by Raspbian Desktop's apt package 'nodered':
## node-red-contrib-ibm-watson-iot, node-red-contrib-play-audio,
## node-red-node-ledborg, node-red-node-ping, node-red-node-pi-sense-hat
## node-red-node-random, node-red-node-serialport, node-red-node-smooth
#- name: Globally 'npm install' pkg 'node-red' if /usr/lib/node_modules/node-red missing (most OS's except for Raspbian Desktop)
# #command: npm install -g --unsafe-perm node-red
# command: npm install -g --unsafe-perm node-red@latest
# args:
# creates: /usr/lib/node_modules/node-red
# when: nodered_install and internet_available
#
## NOT pre-installed by Raspbian Desktop as of 2019-02-12...so we install this
## on most all OS's:
#- name: Globally 'npm install' pkg 'node-red-admin' if /usr/lib/node_modules/node-red-admin missing (most OS's)
# command: npm install -g --unsafe-perm node-red-admin
# args:
# creates: /usr/lib/node_modules/node-red-admin
# when: nodered_install and internet_available
#
## NOT pre-installed by Raspbian Desktop as of 2019-02-12...so we install this
## on most all OS's:
#- name: Globally 'npm install' pkg 'node-red-dashboard' if /usr/lib/node_modules/node-red-dashboard missing (most OS's)
# command: npm install -g --unsafe-perm node-red-dashboard
# args:
# creates: /usr/lib/node_modules/node-red-dashboard
# when: nodered_install and internet_available
- name: Create /home/pi/.node-red/ directory (rpi)
file:
path: /home/pi/.node-red
state: directory
owner: pi
group: pi
mode: 0775
when: nodered_install and is_rpi
- name: Install /home/pi/.node-red/settings.js from template, with authentication (rpi)
template:
backup: yes
src: settings.js.j2
dest: /home/pi/.node-red/settings.js
owner: pi
group: pi
mode: 0755
when: nodered_install and is_rpi
- name: Ensure Linux group 'nodered' exists (if not rpi)
group:
name: nodered
state: present
when: nodered_install and not is_rpi
- name: Ensure Linux user 'nodered' exists and is added to group 'nodered' (if not rpi)
user:
name: nodered
group: nodered
when: nodered_install and not is_rpi
- name: Ensure directory /home/nodered/.node-red/ exists (if not rpi)
file:
path: /home/nodered/.node-red
state: directory
owner: nodered
group: nodered
mode: 0775
when: nodered_install and not is_rpi
- name: Install /home/nodered/.node-red/settings.js from template, with authentication (if not rpi)
template:
backup: yes
src: settings.js.j2
dest: /home/nodered/.node-red/settings.js
owner: nodered
group: nodered
mode: 0755
when: nodered_install and not is_rpi
- name: Install /etc/systemd/system/nodered.service systemd unit file from template
template:
backup: yes
src: nodered.service.j2
dest: /etc/systemd/system/nodered.service
owner: root
group: root
mode: 0666
when: nodered_install | bool
- name: Install Apache's sites-available/nodered.conf from template
template:
backup: yes
src: nodered.conf.j2
dest: /etc/apache2/sites-available/nodered.conf
owner: root
group: root
mode: 0666
when: nodered_install | bool
- name: Create symlink nodered.conf from sites-enabled to sites-available, for short URL http://box/nodered (if nodered_enabled)
file:
src: /etc/apache2/sites-available/nodered.conf
dest: /etc/apache2/sites-enabled/nodered.conf
owner: root
group: root
state: link
when: nodered_enabled | bool
- name: Remove symlink /etc/apache2/sites-enabled/nodered.conf (if not nodered_enabled)
file:
path: /etc/apache2/sites-enabled/nodered.conf
state: absent
when: not nodered_enabled
# SEE ALSO THE apache2_module SECTION IN roles/httpd/tasks/main.yml
- name: Remove symlink /etc/nginx/conf.d/nodered-nginx.conf (if not nodered_enabled)
file:
path: /etc/nginx/conf.d/nodered-nginx.conf
state: absent
when: not nodered_enabled
- name: Enable proxy_wstunnel apache2 module
apache2_module:
state: present
name: proxy_wstunnel
when: nodered_install | bool
- name: Restart Apache service ({{ apache_service }}) to enable/disable http://box/nodered (not just http://box:{{ nodered_port }}/nodered)
systemd:
#daemon_reload: yes
name: "{{ apache_service }}" # httpd or apache2
state: restarted
when: nodered_install | bool
- name: Enable & (Re)start 'nodered' systemd service (if nodered_enabled)
systemd:
daemon_reload: yes
name: nodered
enabled: yes
state: restarted
when: nodered_enabled | bool
- name: Disable & Stop 'nodered' systemd service (if not nodered_enabled)
systemd:
daemon_reload: yes
name: nodered
enabled: no
state: stopped
when: not nodered_enabled
- name: Add 'nodered' variable values to {{ iiab_ini_file }}
ini_file:
path: "{{ iiab_ini_file }}"
section: nodered
option: "{{ item.option }}"
value: "{{ item.value }}"
with_items:
- option: name
value: Node-RED
- option: description
value: '"Node-RED is a flow-based development tool for visual programming developed originally by IBM for wiring together hardware devices, APIs and online services as part of the Internet of Things. Node-RED provides a web browser-based flow editor, which can be used to create JavaScript functions."'
- option: nodered_install
value: "{{ nodered_install }}"
- option: nodered_enabled
value: "{{ nodered_enabled }}"
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