rename ab images to be the default

.github/workflows/build-gg-lite.yml

@@ -41,25 +41,25 @@ jobs:
           - raspberrypi-64
         image:
           - aws-iot-greengrass-lite-demo-image
-          - aws-iot-greengrass-lite-demo-ab-image
-          - aws-iot-greengrass-lite-tiny-demo-image
+          - aws-iot-greengrass-lite-demo-simple-image
+          - aws-iot-greengrass-lite-demo-tiny-image
         exclude:
-          - image: aws-iot-greengrass-lite-demo-ab-image
+          - image: aws-iot-greengrass-lite-demo-image
             device: qemuarm
-          - image: aws-iot-greengrass-lite-demo-ab-image
+          - image: aws-iot-greengrass-lite-demo-image
             device: qemuarm64
-          - image: aws-iot-greengrass-lite-demo-ab-image
+          - image: aws-iot-greengrass-lite-demo-image
             device: qemux86-64
-          - image: aws-iot-greengrass-lite-demo-ab-image
+          - image: aws-iot-greengrass-lite-demo-image
             device: aws-ec2-arm64
-          - image: aws-iot-greengrass-lite-demo-ab-image
+          - image: aws-iot-greengrass-lite-demo-image
             device: aws-ec2-x86-64
     runs-on: codebuild-${{ vars.CODEBUILD_RUNNER_NAME }}-${{ github.run_id }}-${{ github.run_attempt }}
     steps:
       - name: checkout meta-aws-demos branch to build
         uses: actions/checkout@v4
         with:
-          submodules: recursive
+          submodules: true
           fetch-depth: 0
       - name: build
         shell: bash

.github/workflows/build-gg.yml

@@ -40,24 +40,24 @@ jobs:
           - raspberrypi-64
         image:
           - aws-iot-greengrass-demo-image
-          - aws-iot-greengrass-demo-ab-image
+          - aws-iot-greengrass-demo-simple-image
         exclude:
-          - image: aws-iot-greengrass-demo-ab-image
+          - image: aws-iot-greengrass-demo-simple-image
             device: qemuarm
-          - image: aws-iot-greengrass-demo-ab-image
+          - image: aws-iot-greengrass-demo-simple-image
             device: qemuarm64
-          - image: aws-iot-greengrass-demo-ab-image
+          - image: aws-iot-greengrass-demo-simple-image
             device: qemux86-64
-          - image: aws-iot-greengrass-demo-ab-image
+          - image: aws-iot-greengrass-demo-simple-image
             device: aws-ec2-arm64
-          - image: aws-iot-greengrass-demo-ab-image
+          - image: aws-iot-greengrass-demo-simple-image
             device: aws-ec2-x86-64
     runs-on: codebuild-${{ vars.CODEBUILD_RUNNER_NAME }}-${{ github.run_id }}-${{ github.run_attempt }}
     steps:
       - name: checkout meta-aws-demos branch to build
         uses: actions/checkout@v4
         with:
-          submodules: recursive
+          submodules: true
           fetch-depth: 0
       - name: build
         shell: bash

meta-aws-demos/recipes-core/images/aws-iot-greengrass-demo-image/README.md

@@ -1,6 +1,4 @@
-# aws-greengrass-demo-image
-A image to use demo greengrass-bin
+# aws-greengrass-demo-ab-image
 
-## Fleet Provisioning for Embedded Linux Devices with AWS IoT Greengrass
-this blog post:
-https://dev.to/iotbuilders/fleet-provisioning-for-embedded-linux-devices-with-aws-iot-greengrass-4h8b
+Is the default demo image for Greengrass
+Works only for raspberry-pi.

meta-aws-demos/recipes-core/images/aws-iot-greengrass-demo-ab-image/aws-iot-greengrass-demo-ab-bundle.bb → meta-aws-demos/recipes-core/images/aws-iot-greengrass-demo-image/aws-iot-greengrass-demo-bundle.bb

@@ -1,12 +1,12 @@
-DESCRIPTION = "A update bundle for aws-iot-greengrass-demo-ab-image"
+DESCRIPTION = "A update bundle for aws-iot-greengrass-demo-image"
 
 inherit bundle
 
 # RAUC_BUNDLE_VERSION = "v20200703"
 # RAUC_BUNDLE_DESCRIPTION = "RAUC Demo Bundle"
 
 RAUC_BUNDLE_SLOTS = "rootfs"
-RAUC_SLOT_rootfs = "aws-iot-greengrass-demo-ab-image"
+RAUC_SLOT_rootfs = "aws-iot-greengrass-demo-image"
 
 RAUC_BUNDLE_COMPATIBLE   ?= "${MACHINE}"
 RAUC_BUNDLE_FORMAT ?= "verity"

meta-aws-demos/recipes-core/images/aws-iot-greengrass-demo-image/aws-iot-greengrass-demo-image.bb

@@ -1,12 +1,11 @@
-SUMMARY = "A demo image for aws-iot-greengrass"
+SUMMARY = "A demo image for aws-iot-greengrass with A/B updates"
 HOMEPAGE = "https://github.com/aws4embeddedlinux/meta-aws-demos"
 
 LICENSE = "MIT"
 
 # this needs to be done before installing the (dynamic) packagegroups
 inherit core-image
 
-IMAGE_ROOTFS_SIZE ?= "8192"
 IMAGE_INSTALL += "\
     ${CORE_IMAGE_EXTRA_INSTALL} \
     packagegroup-base \
@@ -17,7 +16,8 @@ IMAGE_INSTALL:append = " greengrass-bin udev"
 
 # only adding if device is rpi, as others might have a different partition layout
 IMAGE_INSTALL:append:rpi = " greengrass-config-init yq"
-
+# this will allow kernel updates with rauc
+IMAGE_INSTALL:append = " kernel-image kernel-modules"
 ### tmux ###
 IMAGE_INSTALL:append = " tmux"
 GLIBC_GENERATE_LOCALES = "en_US.UTF-8 UTF-8"
@@ -31,7 +31,7 @@ IMAGE_INSTALL:append = " ssh openssh-sshd openssh-sftp openssh-scp"
 # IMAGE_INSTALL:append = " amazon-cloudwatch-publisher"
 
 ### misc ###
-IMAGE_INSTALL:append = " sudo "
+IMAGE_INSTALL:append = " sudo"
 
 # this will disable root password - be warned!
 EXTRA_IMAGE_FEATURES ?= "debug-tweaks"
@@ -49,13 +49,52 @@ COPY_LIC_DIRS = "1"
 
 # this will install all src, dbg packages to allow proper debugging with gdb
 # EXTRA_IMAGE_FEATURES:append = " src-pkgs dbg-pkgs"
+IMAGE_FEATURES += "read-only-rootfs"
 
 # this should be equal to sdimage-aws-iot-greengrass-lite-demo-ab_partition.wks.in file,
 # for rauc bundle generation wic file is not used!
-ROOTFS_POSTPROCESS_COMMAND += "extra_files"
+ROOTFS_POSTINSTALL_COMMAND += "rootfs_user_fstab"
+
+rootfs_user_fstab () {
+
+# overwrite the default fstab, adding customization for this image
+cat << EOF > ${IMAGE_ROOTFS}/${sysconfdir}/fstab
+/dev/root            /                    auto       defaults              1  1
+proc                 /proc                proc       defaults              0  0
+devpts               /dev/pts             devpts     mode=0620,ptmxmode=0666,gid=5      0  0
+tmpfs                /run                 tmpfs      mode=0755,nodev,nosuid,strictatime 0  0
+tmpfs                /var/volatile        tmpfs      defaults              0  0
+LABEL=boot  /boot   vfat    defaults         0       0
+LABEL=data     /data     ext4    defaults        0       0
+LABEL=home     /home     ext4    x-systemd.growfs        0       0
+/data/etc/wpa_supplicant             /etc/wpa_supplicant             none    bind            0       0
+/data/etc/systemd/network            /etc/systemd/network            none    bind            0       0
+/data/greengrass/v2/     /greengrass/v2/      none    bind            0       0
+EOF
+
+install -d -m 0755 ${IMAGE_ROOTFS}/data
+
+# copy those directories that should be present at the data partition to /data and just
+# leave them empty as a mount point for the bind mount
+
+install -d ${IMAGE_ROOTFS}/data/etc/wpa_supplicant
+# empty dir
+# mv -f ${IMAGE_ROOTFS}/etc/wpa_supplicant/* ${IMAGE_ROOTFS}/data/etc/wpa_supplicant/
+
+install -d ${IMAGE_ROOTFS}/data/etc/systemd/network
+mv -f ${IMAGE_ROOTFS}/etc/systemd/network/* ${IMAGE_ROOTFS}/data/etc/systemd/network
+
+install -d ${IMAGE_ROOTFS}/data/greengrass/v2
+mv -f ${IMAGE_ROOTFS}/greengrass/v2/* ${IMAGE_ROOTFS}/data/greengrass/v2
+
+# decided to do here instead of a bbappend of wpa:supplicant
+install -d ${IMAGE_ROOTFS}/${sysconfdir}/systemd/system/multi-user.target.wants/
+ln -sf /${libdir}/systemd/system/wpa_supplicant@.service ${IMAGE_ROOTFS}/${sysconfdir}/systemd/system/multi-user.target.wants/wpa_supplicant@wlan0.service
+
+mv -f ${IMAGE_ROOTFS}/etc/hostname ${IMAGE_ROOTFS}/data/etc/hostname
+ln -sf /data/etc/hostname ${IMAGE_ROOTFS}/etc/hostname
+
+mv -f ${IMAGE_ROOTFS}/etc/hosts ${IMAGE_ROOTFS}/data/etc/hosts
+ln -sf /data/etc/hosts ${IMAGE_ROOTFS}/etc/hosts
 
-extra_files () {
-    # decided to do here instead of a bbappend of wpa:supplicant
-    install -d ${IMAGE_ROOTFS}/${sysconfdir}/systemd/system/multi-user.target.wants/
-    ln -sf ${libdir}/systemd/system/wpa_supplicant@.service ${IMAGE_ROOTFS}/${sysconfdir}/systemd/system/multi-user.target.wants/wpa_supplicant@wlan0.service
 }