[Build] set apt Acquire::Retries to 3 for bullseye

build_debian.sh

@@ -110,7 +110,7 @@ sudo LANG=C chroot $FILESYSTEM_ROOT mount
 ## Pointing apt to public apt mirrors and getting latest packages, needed for latest security updates
 scripts/build_mirror_config.sh files/apt $CONFIGURED_ARCH $IMAGE_DISTRO 
 sudo cp files/apt/sources.list.$CONFIGURED_ARCH $FILESYSTEM_ROOT/etc/apt/sources.list
-sudo cp files/apt/apt.conf.d/{81norecommends,apt-{clean,gzip-indexes,no-languages},no-check-valid-until} $FILESYSTEM_ROOT/etc/apt/apt.conf.d/
+sudo cp files/apt/apt.conf.d/{81norecommends,apt-{clean,gzip-indexes,no-languages},no-check-valid-until,apt-multiple-retries} $FILESYSTEM_ROOT/etc/apt/apt.conf.d/
 
 ## Note: set lang to prevent locale warnings in your chroot
 sudo LANG=C chroot $FILESYSTEM_ROOT apt-get -y update

dockers/docker-base-bullseye/Dockerfile.j2

@@ -30,6 +30,7 @@ COPY ["dpkg_01_drop", "/etc/dpkg/dpkg.cfg.d/01_drop"]
 COPY ["sources.list.{{ CONFIGURED_ARCH }}", "/etc/apt/sources.list"]
 COPY ["no_install_recommend_suggest", "/etc/apt/apt.conf.d"]
 COPY ["no-check-valid-until", "/etc/apt/apt.conf.d"]
+COPY ["apt-multiple-retries", "/etc/apt/apt.conf.d"]
 
 # Update apt cache and
 # pre-install fundamental packages

dockers/docker-base-bullseye/apt-multiple-retries

@@ -0,0 +1,4 @@
+# Instruct apt to retry downloads on failures
+# This is required only for bullseye.
+
+Acquire::Retries "3";

files/apt/apt.conf.d/apt-multiple-retries

@@ -0,0 +1,4 @@
+# Instruct apt to retry downloads on failures
+# This is required only for bullseye.
+
+Acquire::Retries "3";

sonic-slave-bullseye/Dockerfile.j2

@@ -22,6 +22,7 @@ FROM {{ prefix }}debian:bullseye
 MAINTAINER gulv@microsoft.com
 
 COPY ["no-check-valid-until", "/etc/apt/apt.conf.d/"]
+COPY ["apt-multiple-retries", "/etc/apt/apt.conf.d/"]
 
 {%- if CROSS_BUILD_ENVIRON != "y" %}
 COPY ["sources.list.{{ CONFIGURED_ARCH }}", "/etc/apt/sources.list"]

sonic-slave-bullseye/apt-multiple-retries

@@ -0,0 +1,4 @@
+# Instruct apt to retry downloads on failures
+# This is required only for bullseye.
+
+Acquire::Retries "3";