Change the dpkg default behavior in slave, and docker-base, in order …

…to prevent prompt (sonic-net#3879) * Change the dpkg default behavior in slave, and docker-base, in order to prevent prompt * Move to right place
SONIC-DEV · Apr 24, 2020 · 7800dbe · 7800dbe
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commit 7800dbe
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diff --git a/dockers/docker-base-stretch/dpkg_01_drop b/dockers/docker-base-stretch/dpkg_01_drop
@@ -20,3 +20,11 @@ path-exclude /usr/share/pyshared/twisted/test*
 path-exclude /usr/lib/python*/dist-packages/twisted/test*
 path-exclude /usr/share/pyshared/twisted/*/test*
 path-exclude /usr/lib/python*/dist-packages/twisted/*/test*
+
+## install the configuration file if it’s currently missing
+force-confmiss
+## combined with confold: overwrite configuration files that you have not modified
+force-confdef
+## do not modify the current configuration file, the new version is installed with a .dpkg-dist suffix
+force-confold
+
diff --git a/dockers/docker-base/dpkg_01_drop b/dockers/docker-base/dpkg_01_drop
@@ -20,3 +20,11 @@ path-exclude /usr/share/pyshared/twisted/test*
 path-exclude /usr/lib/python*/dist-packages/twisted/test*
 path-exclude /usr/share/pyshared/twisted/*/test*
 path-exclude /usr/lib/python*/dist-packages/twisted/*/test*
+
+## install the configuration file if it’s currently missing
+force-confmiss
+## combined with confold: overwrite configuration files that you have not modified
+force-confdef
+## do not modify the current configuration file, the new version is installed with a .dpkg-dist suffix
+force-confold
+
diff --git a/sonic-slave-stretch/Dockerfile.j2 b/sonic-slave-stretch/Dockerfile.j2
@@ -303,6 +303,14 @@ RUN apt-get update && apt-get install -y \
         libexplain-dev \
         libevent-dev
 
+## Config dpkg
+## install the configuration file if it’s currently missing
+RUN sudo augtool --autosave "set /files/etc/dpkg/dpkg.cfg/force-confmiss"
+## combined with confold: overwrite configuration files that you have not modified
+RUN sudo augtool --autosave "set /files/etc/dpkg/dpkg.cfg/force-confdef"
+## do not modify the current configuration file, the new version is installed with a .dpkg-dist suffix
+RUN sudo augtool --autosave "set /files/etc/dpkg/dpkg.cfg/force-confold"
+
 # For smartmontools 6.6-1
 RUN apt-get -t stretch-backports install -y debhelper