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				https://github.com/iiab/iiab.git
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	Merge pull request #1497 from holta/nodejs-nodered-force-versions
Conditionally force correct version of Node.js &/or Node-RED e.g. on graphical desktop OS's like Raspbian Desktop & Ubermix
This commit is contained in:
		
						commit
						d9e5069a6b
					
				
					 4 changed files with 167 additions and 28 deletions
				
			
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			@ -29,14 +29,21 @@
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# nodejs_version_installed.stderr == "/bin/sh: 1: nodejs: not found"
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# BOTH ABOVE (incl non-null stderr) are USED BELOW to confirm install is nec!
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- name: "ENFORCE PRECONDITION: Stop installing (intentionally fail) IF an installed 'nodejs' version isn't {{ nodejs_version }}"
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  fail:
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    msg: >
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      PLEASE REMOVE 'nodejs' VERSION {{ nodejs_version_installed.stdout }} AS
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      IT DOES NOT MATCH THE REQUIRED nodejs_version: {{ nodejs_version }} --
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      as set in /opt/iiab/iiab/vars/default_vars.yml and/or
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      /etc/iiab/local_vars.yml -- then re-run this IIAB installer.
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  when: nodejs_version_installed is defined and nodejs_version_installed.stdout != nodejs_version and nodejs_version_installed.stderr == ""
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#- name: "ENFORCE PRECONDITION: Stop installing (intentionally fail) IF an installed 'nodejs' version isn't {{ nodejs_version }}"
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#  fail:
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#    msg: >
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#      PLEASE REMOVE 'nodejs' VERSION {{ nodejs_version_installed.stdout }} AS
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#      IT DOES NOT MATCH THE REQUIRED nodejs_version: {{ nodejs_version }} --
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#      as set in /opt/iiab/iiab/vars/default_vars.yml and/or
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#      /etc/iiab/local_vars.yml -- then re-run this IIAB installer.
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#  when: nodejs_version_installed is defined and nodejs_version_installed.stdout != nodejs_version and nodejs_version_installed.stderr == ""
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# BRUTAL but ensures consistency across OS's / distros like Raspbian Desktop & Ubermix that often include an older version of Node.js
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- name: ASK apt/yum/dnf TO REMOVE PRE-EXISTING Node.js {{ nodejs_version_installed.stdout }} (IF IT'S NOT {{ nodejs_version }})
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  package:
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    name: nodejs
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    state: absent
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  when: nodejs_version_installed is defined and nodejs_version_installed.stdout != nodejs_version and nodejs_version_installed.stdout != ""
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- name: Warn if Node.js {{ nodejs_version}} already installed & might be updated
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  debug:
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			@ -46,6 +53,15 @@
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# 2. INSTALL Node.js USING nodesource.com
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# 2019-02-12: Should not be nec, as stanza below it should overwrite
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# /etc/apt/sources.list.d/nodesource.list regardless!
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#
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#- name: Clear prior /etc/apt/sources.list.d/nodesource.list (permitting Node.js downgrade if nec)
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#  file:
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#    path: /etc/apt/sources.list.d/nodesource.list
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#    state: absent
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#  when: internet_available and is_debuntu
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- name: Set up Node.js {{ nodejs_version }} apt sources (debuntu)
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  shell: curl -sL https://deb.nodesource.com/setup_{{ nodejs_version }} | bash -
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  args:
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			@ -13,3 +13,4 @@ nodered_password_hash: $2b$08$oxgvoU9et3deSbXY8UNVTOWHSTQAyEASIal86RHVMqYQJhpPMN
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# To generate a new password hash, run 'node-red-admin hash-pw' and enter the
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# new password.  Paste the resulting hash above.  After Ansible runs, username
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# and password hash will be placed in: /home/nodered/.node-red/settings.js
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# Or...on Raspberry Pi it's placed in: /home/pi/.node-red/settings.js
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			@ -1,32 +1,144 @@
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# 2019-01-16: @jvonau's PR #1403 moved installation of Node.js (8.x for now) &
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# npm to roles/nodejs/tasks/main.yml, triggered by roles/nodered/meta/main.yml
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- name: 'npm install node-red packages globally: node-red, node-red-admin, node-red-dashboard'
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  shell: npm install -g --unsafe-perm node-red node-red-admin node-red-dashboard
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# BRUTAL but ensures consistency across OS's / distros like Raspbian Desktop &
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# Ubermix that often include an older version of Node-RED.  Brutal, as this
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# removes customizations on graphical desktop OS's e.g. Raspbian Desktop's:
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#   1. Node-RED's icon (Raspberry Menu in top-left -> Programming -> Node-RED)
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#   2. scripts like {node-red-start, node-red-stop, node-red-log} in /usr/bin
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#   3. other changes per /usr/bin/update-nodejs-and-nodered summarized at
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#      https://nodered.org/docs/hardware/raspberrypi for example low-memory
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#      flag --max_old_space_size=256 for unit file (we're using 128 on RPi)
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# That we'll reconstitute below!
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- name: ASK apt/yum/dnf TO REMOVE PRE-EXISTING 'nodered' (IF PREVIOUSLY INSTALLED BY OS PKG MANAGER)
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  package:
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    name: nodered
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    state: absent
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  when: nodered_install
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- name: Ensure Linux group 'nodered' exists
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# 2012-02-13: the 6 RPi stanzas below recreate Raspbian Desktop's Node-RED
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# environment, inspired by:
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# https://nodered.org/docs/hardware/raspberrypi
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# https://github.com/node-red/raspbian-deb-package/blob/master/resources/update-nodejs-and-nodered
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# https://github.com/iiab/iiab/pull/1497
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- name: "Globally 'npm install' 3 Node-RED packages: node-red, node-red-admin, node-red-dashboard"
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  command: npm install -g --unsafe-perm node-red node-red-admin node-red-dashboard
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  when: nodered_install and internet_available
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- 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"
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  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
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  when: nodered_install and internet_available and is_rpi
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# TEST UNNEC ICON/MENU FILE PLACEMENT ON RASPIAN LITE TOO !
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- name: 'Download/Install 4 useful items for RPi: Node-RED icon, start menu item, /etc/logrotate.d/nodered, tweaked "Pi cpu temperature.json"'
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  get_url:
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    url: "{{ item.url }}"
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    dest: "{{ item.dest }}"
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  with_items:
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    - url: https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/node-red-icon.svg
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      dest: /usr/share/icons/hicolor/scalable/apps/node-red-icon.svg
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    - url: https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/Node-RED.desktop
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      dest: /usr/share/applications/Node-RED.desktop
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    - url: https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/nodered.rotate
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      dest: /etc/logrotate.d/nodered
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    - url: 'https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/Pi%20cpu%20temperature.json'
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      dest: '/usr/lib/node_modules/node-red-contrib-ibm-watson-iot/examples/Pi cpu temperature.json'
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  when: nodered_install and internet_available and is_rpi
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#- name: Replace/Tweak "node-red-contrib-ibm-watson-iot/examples/Pi cpu temperature.json" (rpi)
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#  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'
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#  when: nodered_install and internet_available and is_rpi
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- name: 'Download/Install 4 RPi executables to /usr/bin: node-red-start, node-red-stop, node-red-restart, node-red-log'
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  get_url:
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    url: "{{ item }}"
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    dest: /usr/bin
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    mode: a+x
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  with_items:
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    - https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/node-red-start
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    - https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/node-red-stop
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    - https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/node-red-restart
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    - https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/node-red-log
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  when: nodered_install and internet_available and is_rpi
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## To protect pre-installed packages within /usr/lib/node_modules in graphical
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## desktop OS's like Raspbian Desktop & Ubermix, we now only install those that
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## are missing -- among the 3+8 below.  WARNING: THIS COULD POTENTIALLY LEAD TO
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## INCOMPATIBILITIES, IF OS'S /usr/lib/node_modules/node-red GETS OUT OF DATE!
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#
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## /usr/lib/node_modules/node-red is PRE-INSTALLED by Raspbian Desktop, even if
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## their package (42MB, 0.19.4) is a bit out of date compared to npm's (55MB,
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## 0.19.5) as of 2019-02-12.  Among others in /usr/lib/node_modules, pre-placed
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## by Raspbian Desktop's apt package 'nodered':
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##   node-red-contrib-ibm-watson-iot, node-red-contrib-play-audio,
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##   node-red-node-ledborg, node-red-node-ping, node-red-node-pi-sense-hat
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##   node-red-node-random, node-red-node-serialport, node-red-node-smooth
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#- name: Globally 'npm install' pkg 'node-red' if /usr/lib/node_modules/node-red missing (most OS's except for Raspbian Desktop)
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#  #command: npm install -g --unsafe-perm node-red
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#  command: npm install -g --unsafe-perm node-red@latest
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#  args:
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#    creates: /usr/lib/node_modules/node-red
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#  when: nodered_install and internet_available
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#
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## NOT pre-installed by Raspbian Desktop as of 2019-02-12...so we install this
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## on most all OS's:
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#- name: Globally 'npm install' pkg 'node-red-admin' if /usr/lib/node_modules/node-red-admin missing (most OS's)
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#  command: npm install -g --unsafe-perm node-red-admin
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#  args:
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#    creates: /usr/lib/node_modules/node-red-admin
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#  when: nodered_install and internet_available
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#
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## NOT pre-installed by Raspbian Desktop as of 2019-02-12...so we install this
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## on most all OS's:
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#- name: Globally 'npm install' pkg 'node-red-dashboard' if /usr/lib/node_modules/node-red-dashboard missing (most OS's)
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#  command: npm install -g --unsafe-perm node-red-dashboard
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#  args:
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#    creates: /usr/lib/node_modules/node-red-dashboard
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#  when: nodered_install and internet_available
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- name: Create /home/pi/.node-red/ directory (rpi)
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  file:
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    path: /home/pi/.node-red
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    state: directory
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    owner: pi
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    group: pi
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    mode: 0775
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  when: nodered_install and is_rpi
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- name: Install /home/pi/.node-red/settings.js from template, with authentication (rpi)
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  template:
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    backup: yes
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    src: settings.js.j2
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    dest: /home/pi/.node-red/settings.js
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    owner: pi
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    group: pi
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    mode: 0755
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  when: nodered_install and is_rpi
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- name: Ensure Linux group 'nodered' exists (if not rpi)
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  group:
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    name: nodered
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    state: present
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  when: nodered_install
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  when: nodered_install and not is_rpi
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- name: Ensure Linux user 'nodered' exists and is added to group 'nodered'
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- name: Ensure Linux user 'nodered' exists and is added to group 'nodered' (if not rpi)
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  user:
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    name: nodered
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    group: nodered
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  when: nodered_install
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  when: nodered_install and not is_rpi
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- name: Create /home/nodered/.node-red/ directory
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- name: Ensure directory /home/nodered/.node-red/ exists (if not rpi)
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  file:
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    path: /home/nodered/.node-red
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    state: directory
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    owner: nodered
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    group: nodered
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    mode: 0775
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  when: nodered_install
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  when: nodered_install and not is_rpi
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- name: Install /home/nodered/.node-red/settings.js from template, with authentication
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- name: Install /home/nodered/.node-red/settings.js from template, with authentication (if not rpi)
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  template:
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    backup: yes
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    src: settings.js.j2
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			@ -34,13 +146,14 @@
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    owner: nodered
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    group: nodered
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    mode: 0755
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  when: nodered_install
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  when: nodered_install and not is_rpi
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- name: Install /etc/systemd/system/node-red.service systemd unit file from template
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- name: Install /etc/systemd/system/nodered.service systemd unit file from template
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  template:
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    backup: yes
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    src: node-red.service.j2
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    dest: /etc/systemd/system/node-red.service
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    src: nodered.service.j2
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    dest: /etc/systemd/system/nodered.service
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    owner: root
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    group: root
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    mode: 0666
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			@ -84,22 +197,23 @@
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    state: restarted
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  when: nodered_install
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- name: Enable & (Re)start 'node-red' systemd service (if nodered_enabled)
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- name: Enable & (Re)start 'nodered' systemd service (if nodered_enabled)
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  systemd:
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    daemon_reload: yes
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    name: node-red
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    name: nodered
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    enabled: yes
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    state: restarted
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  when: nodered_enabled
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- name: Disable & Stop 'node-red' systemd service (if not nodered_enabled)
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- name: Disable & Stop 'nodered' systemd service (if not nodered_enabled)
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  systemd:
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    daemon_reload: yes
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    name: node-red
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    name: nodered
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    enabled: no
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    state: stopped
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  when: not nodered_enabled
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- name: Add 'nodered' variable values to {{ iiab_ini_file }}
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  ini_file:
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    path: "{{ iiab_ini_file }}"
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| 
						 | 
				
			
			@ -5,10 +5,12 @@ After=syslog.target network.target
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[Service]
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# Ansible template HAD: if is_debian_8 or is_debian_9 or is_ubuntu_16 or is_ubuntu_17
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# Ansible template HAD: if is_debuntu
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{% if is_rpi %}
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ExecStart=/usr/bin/node-red-pi --max-old-space-size=128 -v
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# Ansible template HAD: else
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{% else %}
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# ExecStart=/usr/local/bin/node-red-pi --max-old-space-size=128 -v
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# Ansible template HAD: endif
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ExecStart=/usr/bin/node-red-pi -v
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{% endif %}
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Restart=on-failure
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KillSignal=SIGINT
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						 | 
				
			
			@ -17,9 +19,15 @@ SyslogIdentifier=node-red
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StandardOutput=syslog
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# non-root user to run as
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{% if is_rpi %}
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WorkingDirectory=/home/pi/
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User=pi
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Group=pi
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{% else %}
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WorkingDirectory=/home/nodered/
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User=nodered
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Group=nodered
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{% endif %}
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[Install]
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WantedBy=multi-user.target
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