Feature/graviton (#590)

* Add support for UF RHEL-8 ARMv8

* Update base image to use docker buildx

* Added a fix for armv8 busybox url

* Fix reference to base/redhat-8 image

* Remove BUSYBOX_URL=busybox-armv8l, allow it to be passed to make

Author: dan1

Makefile

@@ -75,6 +75,9 @@ base-centos-8:
 base-redhat-8:
 	docker build ${DOCKER_BUILD_FLAGS} --build-arg SCLOUD_URL=${SCLOUD_URL} --label version=${SPLUNK_VERSION} -t base-redhat-8:${IMAGE_VERSION} ./base/redhat-8
 
+base-redhat-8-armv8:
+	docker buildx build ${DOCKER_BUILD_FLAGS} --build-arg SCLOUD_URL=${SCLOUD_URL} --build-arg BUSYBOX_URL=${BUSYBOX_URL} --label version=${SPLUNK_VERSION} -t base-redhat-8-armv8:${IMAGE_VERSION} ./base/redhat-8
+
 base-windows-2016:
 	docker build ${DOCKER_BUILD_FLAGS} -t base-windows-2016:${IMAGE_VERSION} ./base/windows-2016
 
@@ -251,6 +254,14 @@ uf-redhat-8: base-redhat-8 ansible
 		--build-arg SPLUNK_BUILD_URL=${UF_LINUX_BUILD_URL} \
 		-t uf-redhat-8:${IMAGE_VERSION} .
 
+uf-redhat-8-armv8: base-redhat-8-armv8 ansible
+	docker buildx build ${DOCKER_BUILD_FLAGS} \
+		-f uf/common-files/Dockerfile \
+		--build-arg SPLUNK_BASE_IMAGE=base-redhat-8-armv8 \
+		--build-arg SPLUNK_BUILD_URL=${UF_LINUX_BUILD_URL} \
+		-t uf-redhat-8-armv8:${IMAGE_VERSION} .
+
+
 uf-windows-2016: base-windows-2016 ansible
 	docker build ${DOCKER_BUILD_FLAGS} \
 		-f uf/windows-2016/Dockerfile \

base/redhat-8/Dockerfile

@@ -26,7 +26,9 @@ LABEL name="splunk" \
       description="Splunk Enterprise is a platform for operational intelligence. Our software lets you collect, analyze, and act upon the untapped value of big data that your technology infrastructure, security systems, and business applications generate. It gives you insights to drive operational performance and business results."
 
 ARG SCLOUD_URL
+ARG BUSYBOX_URL
 ENV SCLOUD_URL=${SCLOUD_URL} \
+    BUSYBOX_URL=${BUSYBOX_URL} \
     PYTHON_VERSION=3.7.10 \
     PYTHON_GPG_KEY_ID=0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D
 

base/redhat-8/install.sh

@@ -82,7 +82,8 @@ tar -xf /usr/bin/scloud.tar.gz -C /usr/bin/
 rm /usr/bin/scloud.tar.gz
 
 # Install busybox direct from the multiarch since EPEL isn't available yet for redhat8
-wget -O /bin/busybox https://busybox.net/downloads/binaries/1.28.1-defconfig-multiarch/busybox-`arch`
+BUSYBOX_URL=${BUSYBOX_URL:=https://busybox.net/downloads/binaries/1.28.1-defconfig-multiarch/busybox-`arch`}
+wget -O /bin/busybox ${BUSYBOX_URL}
 chmod +x /bin/busybox
 
 # Enable busybox symlinks