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Allow setting up wifi from config

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Add WPA_ESSID, WPA_PASSWORD and WPA_COUNTRY options to config.
This commit is contained in:
Sam Tygier 2018-12-17 00:01:04 +00:00 committed by Peter Johnson
parent bc7971ef03
commit acb0612ea4
3 changed files with 18 additions and 0 deletions
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4
README.md
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@ -81,6 +81,10 @@ The following environment variables are supported:
Password for the first user Password for the first user
* `WPA_ESSID`, `WPA_PASSWORD` and `WPA_COUNTRY` (Default: unset)
If these are set, they are use to configure `wpa_supplicant.conf`, so that the raspberry pi can automatically connect to a wifi network on first boot.
A simple example for building Raspbian: A simple example for building Raspbian:
```bash ```bash

3
build.sh
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@ -143,6 +143,9 @@ export LOG_FILE="${WORK_DIR}/build.log"
export FIRST_USER_NAME=${FIRST_USER_NAME:-pi} export FIRST_USER_NAME=${FIRST_USER_NAME:-pi}
export FIRST_USER_PASS=${FIRST_USER_PASS:-raspberry} export FIRST_USER_PASS=${FIRST_USER_PASS:-raspberry}
export WPA_ESSID
export WPA_PASSWORD
export WPA_COUNTRY
export BASE_DIR export BASE_DIR

11
stage2/02-net-tweaks/01-run.sh
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@ -16,3 +16,14 @@ chown root:root /boot/dhcpcd.conf
ln -s /boot/dhcpcd.conf /etc/dhcpcd.conf ln -s /boot/dhcpcd.conf /etc/dhcpcd.conf
EOF EOF
if [ -v WPA_COUNTRY ]
then
echo "country=${WPA_COUNTRY}" >> "${ROOTFS_DIR}/etc/wpa_supplicant/wpa_supplicant.conf"
fi
if [ -v WPA_ESSID -a -v WPA_PASSWORD ]
then
on_chroot <<EOF
wpa_passphrase ${WPA_ESSID} ${WPA_PASSWORD} >> "/etc/wpa_supplicant/wpa_supplicant.conf"
EOF
fi