chg: remove Debian 9 tests and dockerfile

.github/workflows/tests.yml

@@ -34,7 +34,7 @@ jobs:
         name: Full
         strategy:
             matrix:
-                platform: [centos7, rockylinux8, rockylinux9, debian9, debian10, debian11, debian12, 'opensuse15@opensuse/leap:15.4', ubuntu1604, ubuntu1804, ubuntu2004, ubuntu2204]
+                platform: [centos7, rockylinux8, rockylinux9, debian10, debian11, debian12, 'opensuse15@opensuse/leap:15.4', ubuntu1604, ubuntu1804, ubuntu2004, ubuntu2204]
         runs-on: ubuntu-latest
         if: contains(github.event.pull_request.labels.*.name, 'tests:full')
         steps:

docker/Dockerfile.debian9

@@ -1,30 +0,0 @@
-FROM debian:stretch
-LABEL maintainer="stephane.lesimple+bastion@ovhcloud.com"
-
-# cache builds efficiently: just copy the scripts to install packages first
-COPY bin/admin/install-ttyrec.sh bin/admin/install-yubico-piv-checker.sh bin/admin/packages-check.sh /opt/bastion/bin/admin/
-COPY lib/shell                                                                                       /opt/bastion/lib/shell/
-RUN ["/opt/bastion/bin/admin/packages-check.sh","-i","-d","-s"]
-RUN ["/opt/bastion/bin/admin/install-ttyrec.sh","-d"]
-RUN ["/opt/bastion/bin/admin/install-yubico-piv-checker.sh","-d"]
-
-# handle locales
-RUN echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen && locale-gen
-
-# disable /dev/kmsg handling by syslog-ng and explicitly enable /dev/log
-RUN test -e /etc/syslog-ng/syslog-ng.conf && \
-    sed -i -re 's=system\(\);=unix-stream("/dev/log");=' /etc/syslog-ng/syslog-ng.conf
-
-# at each modification of our code, we'll start from here thanks to build cache
-COPY . /opt/bastion
-
-# tests that the environment works
-RUN ["/opt/bastion/bin/dev/perl-check.sh"]
-
-# setup ssh/sshd config and setup bastion install
-RUN ["/opt/bastion/bin/admin/install","--new-install"]
-
-# start at entrypoint
-ENTRYPOINT /opt/bastion/docker/entrypoint.sh
-
-# TESTOPT --has-mfa=1 --has-pamtester=1 --has-piv=1