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roles/firmware: Tighten up in-line explanations
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4 changed files with 22 additions and 8 deletions
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@ -2,22 +2,22 @@
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#
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# 1. apt changelog firmware-brcm80211
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# https://github.com/RPi-Distro/firmware-nonfree -> debian/config/brcm80211 (brcm, cypress)
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# http://archive.raspberrypi.org/debian/dists/bullseye/main/binary-arm64/Packages (1.1MB text file, look inside for summary of latest firmware-brcm80211)
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# http://archive.raspberrypi.org/debian/pool/main/f/firmware-nonfree/ -> firmware-brcm80211_* e.g.:
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# https://archive.raspberrypi.org/debian/dists/bullseye/main/binary-arm64/Packages (1.1MB text file, look inside for summary of latest firmware-brcm80211)
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# https://archive.raspberrypi.org/debian/pool/main/f/firmware-nonfree/ -> firmware-brcm80211_* e.g.:
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# https://archive.raspberrypi.org/debian/pool/main/f/firmware-nonfree/firmware-brcm80211_20190114-1+rpt11_all.deb from 2021-01-25
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# https://archive.raspberrypi.org/debian/pool/main/f/firmware-nonfree/firmware-brcm80211_20210315-3+rpt4_all.deb from 2021-12-06
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# http://archive.raspberrypi.org/debian/pool/main/f/firmware-nonfree/firmware-brcm80211_20221012-1~bpo11+1+rpt1_all.deb from 2022-11-17
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# https://archive.raspberrypi.org/debian/pool/main/f/firmware-nonfree/firmware-brcm80211_20221012-1~bpo11+1+rpt1_all.deb from 2022-11-17
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# 2. apt changelog linux-firmware-raspi
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# https://packages.ubuntu.com/search?keywords=linux-firmware-raspi
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# 3. https://github.com/moodlebox/moodlebox/blob/main/roles/accesspoint/tasks/main.yml
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#- name: Back up 4 OS-provided WiFi firmware files (incl symlink contents) to /lib/firmware/cypress/*.orig
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- name: Back up 4 OS-provided WiFi firmware files (or replicate symlinks) to /lib/firmware/cypress/*.orig -- NOTE that "doubly timestamped" copies (incl any symlinks' contents!) are ALSO made by iiab-check-firmware -- as firmware install completes
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- name: Back up 4 OS-provided WiFi firmware files (replicate any symlinks) to /lib/firmware/cypress/*.orig -- /usr/bin/iiab-check-firmware will later do similar (e.g. as firmware install completes) -- moving 2-or-4 of these to <ORIGINAL FILENAME>.YYYY-MM-DD-HH:MM:SS ("doubly timestamping" to preserve BOTH last-modif & moving date)
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# copy:
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# src: /lib/firmware/cypress/{{ item }}
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# dest: /lib/firmware/cypress/{{ item }}.orig
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# #local_follow: False # FAILS TO PRESERVE LINKS (ansible/ansible#74777) e.g. /lib/firmware/cypress/cyfmac43455-sdio.bin -> /etc/alternatives/cyfmac43455-sdio.bin -> ...
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command: cp -P /lib/firmware/cypress/{{ item }} /lib/firmware/cypress/{{ item }}.orig # "cp -P" == "cp --no-dereference" sufficient to replicate these symlinks and files ("cp -d" & "cp -a" are incrementally stronger, but so far unnec)
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command: cp -a /lib/firmware/cypress/{{ item }} /lib/firmware/cypress/{{ item }}.orig # "cp -P" == "cp --no-dereference" sufficient to replicate these symlinks and files ("cp -d" & "cp -a" are incrementally stronger, and so probably can't hurt)
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with_items:
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- cyfmac43430-sdio.bin
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- cyfmac43430-sdio.clm_blob
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@ -81,7 +81,7 @@
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- { src: 'iiab-check-firmware.service', dest: '/etc/systemd/system/', mode: '0644' }
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- { src: 'iiab-firmware-warn.sh', dest: '/etc/profile.d/', mode: '0644' }
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- name: Enable & (Re)Start iiab-check-firmware.service (also runs on each boot) -- creating our 2-or-4 key simlink chains e.g. /lib/firmware/cypress/X.{bin|blob} -> /lib/firmware/cypress/X.{bin|blob}.iiab -> CHOSEN-FIRMWARE-FILE-OR-LINK
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- name: Enable & (Re)Start iiab-check-firmware.service (also runs on each boot) -- finalizing 2-or-4 symlink chains e.g. /lib/firmware/cypress/X.{bin|blob} -> /lib/firmware/cypress/X.{bin|blob}.iiab -> CHOSEN-FIRMWARE-FILE-OR-LINK
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systemd:
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name: iiab-check-firmware.service
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daemon_reload: yes
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@ -1,5 +1,19 @@
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#!/bin/bash
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# The 1st time /usr/bin/iiab-check-firmware runs (at the end of
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# firmware/tasks/install.yml) 2-4 lynchpin top links are put in place,
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# finalizing symlink chains like:
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#
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# /lib/firmware/cypress/X.{bin|blob} ->
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# /lib/firmware/cypress/X.{bin|blob}.iiab ->
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# CHOSEN-FIRMWARE-FILE-OR-LINK
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#
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# Also backing up top-of-chain originals (file or link!) by moving these to:
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#
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# /lib/firmware/cypress/<ORIGINAL FILENAME>.YYYY-MM-DD-HH:MM:SS
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#
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# NOTE these are "doubly timestamped" to preserve BOTH last-modif & moving date.
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# 2023-02-25: bash scripts using default_vars.yml &/or local_vars.yml
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# https://github.com/iiab/iiab-factory/blob/master/iiab
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# https://github.com/iiab/iiab/blob/master/roles/firmware/templates/iiab-check-firmware#L10-14
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@ -16,7 +30,7 @@ iiab_var_value() {
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link_fw() {
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if [[ $(readlink /lib/firmware/cypress/$1) != $1.iiab ]] ; then
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echo
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mv /lib/firmware/cypress/$1 /lib/firmware/cypress/$1.$(date +%F-%T) # i.e. "doubly timestamping" to preserve BOTH last-modif & moving date
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mv /lib/firmware/cypress/$1 /lib/firmware/cypress/$1.$(date +%F-%T)
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ln -s $1.iiab /lib/firmware/cypress/$1
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echo -e "\e[1mSymlinked /lib/firmware/cypress/$1 -> $1.iiab\e[0m"
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touch /tmp/.fw_modified
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@ -1,7 +1,7 @@
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#!/bin/bash
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if [ -f /tmp/.fw_modified ]; then
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echo -e "\n\e[41;1mWiFi Firmware link(s) modified, per iiab/iiab#2853: PLEASE REBOOT!\e[0m"
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echo -e "\n\e[41;1mWiFi Firmware link(s) modified, per iiab/iiab#3482: PLEASE REBOOT!\e[0m"
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echo
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echo -e "If you want this warning to stop, reboot to remove /tmp/.fw_modified\n"
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fi
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