merge with master

.gitmodules

@@ -4,7 +4,6 @@
 [submodule "sonic-linux-kernel"]
 	path = src/sonic-linux-kernel
 	url = https://github.com/Azure/sonic-linux-kernel
-	branch = stretch
 [submodule "sonic-sairedis"]
 	path = src/sonic-sairedis
 	url = https://github.com/Azure/sonic-sairedis

Makefile.work

@@ -13,7 +13,17 @@
 #  * SONIC_ENABLE_SYNCD_RPC: Enables rpc-based syncd builds.
 #  * USERNAME: Desired username -- default at rules/config
 #  * PASSWORD: Desired password -- default at rules/config
-#  * KEEP_SLAVE_ON: Keeps slave container up after building-process concludes.
+#  * KEEP_SLAVE_ON: Keeps slave container up and active after building process concludes.
+#  *                Note that rm=true is still set, so once user quits from the docker
+#  *                           session, the docker will be removed.
+#  *                Please note that with current Stretch build structure,
+#  *                user of KEEP_SLAVE_ON feature will have to be conscious
+#  *                about which docker to stay inside after build is done.
+#  *                - If user desires to stay inside Stretch docker, please issue
+#  *                  make KEEP_SLAVE_ON=yes stretch
+#  *                - If user desires to stay inside Jessie docker, please issue
+#  *                  (a successful "make stretch" may be needed before the following command)
+#  *                  make NOSTRETCH=1 KEEP_SLAVE_ON=yes <any jessie target>
 #  * SOURCE_FOLDER: host path to be mount as /var/$(USER)/src, only effective when KEEP_SLAVE_ON=yes
 #  * SONIC_BUILD_JOBS: Specifying number of concurrent build job(s) to run
 #  * KERNEL_PROCURE_METHOD: Specifying method of obtaining kernel Debian package: download or build
@@ -48,7 +58,8 @@ SLAVE_IMAGE = sonic-slave-$(USER)
 SLAVE_DIR = sonic-slave
 endif
 
-INSMOD_OVERLAY := sudo modprobe overlay
+OVERLAY_MODULE_CHECK := lsmod | grep "^overlay " > /dev/null 2>&1 || (echo "ERROR: Module 'overlay' not loaded. Try running 'sudo modprobe overlay'."; exit 1)
+
 DOCKER_RUN := docker run --rm=true --privileged \
     -v $(PWD):/sonic \
     -w /sonic \
@@ -94,13 +105,13 @@ SONIC_BUILD_INSTRUCTION :=  make \
 .DEFAULT_GOAL :=  all
 
 %::
+	@$(OVERLAY_MODULE_CHECK)
 	@docker inspect --type image $(SLAVE_BASE_IMAGE):$(SLAVE_BASE_TAG) &> /dev/null || \
 	    { echo Image $(SLAVE_BASE_IMAGE):$(SLAVE_BASE_TAG) not found. Building... ; \
 	    $(DOCKER_BASE_BUILD) ; }
 	@docker inspect --type image $(SLAVE_IMAGE):$(SLAVE_TAG) &> /dev/null || \
 	    { echo Image $(SLAVE_IMAGE):$(SLAVE_TAG) not found. Building... ; \
 	    $(DOCKER_BUILD) ; }
-	@$(INSMOD_OVERLAY)
 ifeq "$(KEEP_SLAVE_ON)" "yes"
     ifdef SOURCE_FOLDER
 		@$(DOCKER_RUN) -v $(SOURCE_FOLDER):/var/$(USER)/src $(SLAVE_IMAGE):$(SLAVE_TAG) bash -c "$(SONIC_BUILD_INSTRUCTION) $@; /bin/bash"
@@ -116,13 +127,13 @@ sonic-slave-build :
 	$(DOCKER_BUILD)
 
 sonic-slave-bash :
+	@$(OVERLAY_MODULE_CHECK)
 	@docker inspect --type image $(SLAVE_BASE_IMAGE):$(SLAVE_BASE_TAG) &> /dev/null || \
 	    { echo Image $(SLAVE_BASE_IMAGE):$(SLAVE_BASE_TAG) not found. Building... ; \
 	    $(DOCKER_BASE_BUILD) ; }
 	@docker inspect --type image $(SLAVE_IMAGE):$(SLAVE_TAG) &> /dev/null || \
 	    { echo Image $(SLAVE_IMAGE):$(SLAVE_TAG) not found. Building... ; \
 	    $(DOCKER_BUILD) ; }
-	@$(INSMOD_OVERLAY)
 	@$(DOCKER_RUN) -t $(SLAVE_IMAGE):$(SLAVE_TAG) bash
 
 showtag:

README.md

@@ -47,21 +47,25 @@ To clone the code repository recursively, assuming git version 1.9 or newer:
 
 To build SONiC installer image and docker images, run the following commands:
 
+    # Ensure the 'overlay' module is loaded on your development system
+    sudo modprobe overlay
+
+    # Enter the source directory
     cd sonic-buildimage
 
     # (Optional) Checkout a specific branch. By default, it uses master branch
     git checkout [branch_name]
 
-    # Execute make init once after cloning the repo, or fetched remote repo with submodule updates
+    # Execute make init once after cloning the repo, or after fetching remote repo with submodule updates
     make init
 
     # Execute make configure once to configure ASIC
     make configure PLATFORM=[ASIC_VENDOR]
 
-    # build debian stretch required targets (optional)
+    # Build Debian Stretch required targets (Manual execution optional; will also be executed as part of the build)
     BLDENV=stretch make stretch
 
-    # build SONiC image
+    # Build SONiC image
     make all
 
  **NOTE**:

build_debian.sh

@@ -227,7 +227,14 @@ sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y in
     hping3                  \
     python-scapy            \
     tcptraceroute           \
-    mtr-tiny
+    mtr-tiny                \
+    locales
+
+#Adds a locale to a debian system in non-interactive mode
+sudo sed -i '/^#.* en_US.* /s/^#//' $FILESYSTEM_ROOT/etc/locale.gen && \
+    sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT locale-gen "en_US.UTF-8"
+sudo LANG=en_US.UTF-8 DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT update-locale "LANG=en_US.UTF-8"
+sudo LANG=C chroot $FILESYSTEM_ROOT bash -c "find /usr/share/i18n/locales/ ! -name 'en_US' -type f -exec rm -f {} +"
 
 # Install certain fundamental packages from stretch-backports in order to get
 # more up-to-date (but potentially less stable) versions

build_image.sh

@@ -95,7 +95,7 @@ elif [ "$IMAGE_TYPE" = "aboot" ]; then
     zip -g $ABOOT_BOOT_IMAGE .imagehash
     rm .imagehash
     echo "SWI_VERSION=42.0.0" > version
-    echo "SWI_MAX_HWEPOCH=1" >> version
+    echo "SWI_MAX_HWEPOCH=2" >> version
     echo "SWI_VARIANT=US" >> version
     zip -g $OUTPUT_ABOOT_IMAGE version
     zip -g $ABOOT_BOOT_IMAGE version

device/accton/x86_64-accton_as5712_54x-r0/default_sku

@@ -0,0 +1 @@
+Accton-AS5712-54X t1