First implementation

bootstrap/build_sdcard.sh

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+#!/usr/bin/env bash
+set -e
+
+# Uncomment and fix variables before run script
+SD_CARD_DEVICE="/dev/sda"
+SD_CARD_BOOT_PARTITION=${SD_CARD_DEVICE}1
+SD_CARD_ROOT_PARTITION=${SD_CARD_DEVICE}2
+
+HOSTNAME_CAR="satanas"
+
+WIFI_SECRET_FILE=".secret"
+
+# For debug
+ADD_TTL_SUPPORT_FOR_DEBUG=1
+
+########### End Configuration ############
+mkdir -p build
+
+if [ ! -f build/raspbian.zip ]
+then
+    wget -O build/raspbian.zip https://downloads.raspberrypi.org/raspbian_lite_latest
+    cd build
+    unzip raspbian.zip
+    cd ..
+fi
+
+raspbian_image=`ls build/*.img`
+
+echo "Copy image ${raspbian_image} to sdcard"
+sudo dd if=${raspbian_image} of=${SD_CARD_DEVICE} bs=4M conv=fsync status=progress
+
+echo "Force disk sync"
+sync
+
+
+echo "Mount boot sdcard"
+mkdir -p build/mnt
+sudo mount ${SD_CARD_BOOT_PARTITION} ./build/mnt
+
+echo "Force ssh to start at first boot"
+sudo touch build/mnt/ssh
+
+if [  "${ADD_TTL_SUPPORT_FOR_DEBUG}" == "1" ]
+then
+    echo "# Disable bluetooth in order to enable serial TTL" | sudo tee -a build/mnt/config.txt > /dev/null
+    echo "dtoverlay=pi3-disable-bt" | sudo tee -a build/mnt/config.txt > /dev/null
+fi
+
+echo "Umount boot partition"
+sudo umount build/mnt
+
+
+echo "Mount root sdcard"
+sudo mount ${SD_CARD_ROOT_PARTITION} ./build/mnt
+
+echo "Set hostname"
+echo ${HOSTNAME_CAR} | sudo tee build/mnt/etc/hostname > /dev/null
+echo sudo sed -i "s/raspberrypi/$HOSTNAME_CAR/g" build/mnt/etc/hosts
+
+echo "Disable default password for 'pi' use"
+sudo sed -i -E "s/(pi:)[^:]*(:.*)/\1*\2/" build/mnt/etc/shadow*
+
+echo "Copy authorized keys"
+sudo mkdir -p build/mnt/home/pi/.ssh/
+sudo cp ../ansible/roles/base/files/authorized_keys build/mnt/home/pi/.ssh/
+sudo chmod 600 build/mnt/home/pi/.ssh/authorized_keys
+sudo chown -R 1000:1000 build/mnt/home/pi
+
+echo "Copy wifi configuration"
+source ${WIFI_SECRET_FILE}
+eval "echo \"$(cat wpa_supplicant.conf)\"" | sudo tee build/mnt/etc/wpa_supplicant/wpa_supplicant.conf > /dev/null
+sudo chmod 600 build/mnt/etc/wpa_supplicant/wpa_supplicant.conf
+
+
+echo "Umount sdcard"
+sudo umount ./build/mnt
+
+echo "Force disk sync"
+sync
+
+echo "Bootstrap finished, plug sdcard on raspberrypi and connect with command:"
+echo "        ssh pi@${HOSTNAME_CAR}.local"
+

bootstrap/wpa_supplicant.conf

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+ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
+update_config=1
+country=FR
+
+network={
+        ssid=\"${WIFI_SSID}\"
+        psk=\"${WIFI_PASSWORD}\"
+        priority=2
+}