2018-04-14 01:43:37 +02:00
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ITS WiFi Access Points Setup
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============================
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We build the access points in use at the space using the LEDE/OpenWrt image
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2018-09-02 21:27:01 +02:00
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builder. The deployed images are completely hands-off. No configuration of the
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2018-04-14 01:43:37 +02:00
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running firmware should be necessary as all the device specific setup is done
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2018-09-02 21:27:01 +02:00
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using `/etc/uci-defaults/` by keying off the device's MAC address.
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2018-04-14 01:43:37 +02:00
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See [`files/common/its/etc/uci-defaults/50-config-from-mac`](files/common/its/etc/uci-defaults/50-config-from-mac) for details.
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Building Images
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---------------
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2018-09-02 21:27:01 +02:00
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The [`Makefile`][./Makefile] provides a target for each device type we have
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images for, to build images for all devices at the space you can use:
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2018-04-14 01:43:37 +02:00
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```
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$ make its
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2018-09-02 21:27:01 +02:00
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[...]
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Wrote images to images/v0.20180506-3-g115cc99-dirty
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2018-04-14 01:43:37 +02:00
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```
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2018-09-02 21:27:01 +02:00
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the resulting sysupgrade images land in a directory in `images/`. The symlink
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`images/latest` points to the directory of the image built most recently. The
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build system also produces a `*.image-manifest` file which contains the URL to
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the ImageBuilder used as well its hash and the corresponding image's hash.
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Each produced image file contains the target, subtarget and profile names for
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the targeted device (among other things), for example the Ubiquity UniFi AC
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Lite's image is called `*-ar71xx-generic-ubnt-unifiac-lite*-sysupgrade.bin`
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standing for `TARGET=ar71xx`, `SUBTARGET=generic`, `PROFILE=ubnt-unifiac-lite`.
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These images can then be deployed by copying them to the respective device in
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`/tmp` using `scp` and then running, over ssh:
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# sysupgrade -n /tmp/*-sysupgrade.bin
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If this fails for some reason and the target device is subsequently bricked so
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bad it cannot even boot into
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[failsafe mode](https://openwrt.org/docs/guide-user/troubleshooting/failsafe_and_factory_reset#entering_failsafe_mode)
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any more, see
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[OpenWrt Debricking Guide](https://openwrt.org/docs/guide-user/troubleshooting/generic.debrick).
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2018-04-14 01:43:37 +02:00
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Using Released Binaries
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-----------------------
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2018-09-02 21:27:01 +02:00
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The offically released and deployed images are available in this repo in the
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[`images/`](images/) directory. They need to be retrived from an internal server
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using [`git annex`](https://git-annex.branchable.com) before they can be
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accessed. The public git repo only contains their hashes.
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2018-04-14 01:43:37 +02:00
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2018-09-02 21:27:01 +02:00
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We also use git-annex to add the secrets used for generating the images to the
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repo, which will then only be available to authorized people using the internal
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git-annex store. For an example, see
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2018-04-14 01:43:37 +02:00
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[`files/common/its/etc/uci-defaults/51-secrets`](files/common/its/etc/uci-defaults/51-secrets). This
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file just sets up secrets, such as the WiFi/root password.
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