ci: switch centos7 to github actions

Signed-off-by: Adrian Reber <areber@redhat.com>

.github/workflows/centos-test.yml

@@ -0,0 +1,15 @@
+name: CentOS Test
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        target: [centos7]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Run CentOS ${{ matrix.target }} Test
+      run: sudo -E make -C scripts/ci ${{ matrix.target }}

scripts/ci/Makefile

@@ -27,10 +27,20 @@ endef
 
 export DOCKER_JSON
 
+ifeq ($(GITHUB_ACTIONS),true)
+	# GitHub Actions does not give us a real TTY and errors out with
+	# 'the input device is not a TTY' if using '-t'
+	CONTAINER_TERMINAL := -i
+else
+	CONTAINER_TERMINAL := -it
+endif
+
+export CONTAINER_TERMINAL
+
 ifeq ($(UNAME),x86_64)
 	# On anything besides x86_64 Travis is running unprivileged LXD
 	# containers which do not support running docker with '--privileged'.
-	CONTAINER_OPTS := --rm -it --privileged -v /lib/modules:/lib/modules --tmpfs /run
+	CONTAINER_OPTS := --rm $(CONTAINER_TERMINAL) --privileged -v /lib/modules:/lib/modules --tmpfs /run
 else
 	CONTAINER_OPTS := --rm -v /lib/modules:/lib/modules --tmpfs /run
 endif

scripts/ci/run-ci-tests.sh

@@ -193,7 +193,11 @@ if [ -z "$SKIP_EXT_DEV_TEST" ]; then
 fi
 #make -C test/others/exec/ run
 make -C test/others/make/ run CC="$CC"
-make -C test/others/shell-job/ run
+if [ -n "$TRAVIS" ]; then
+       # GitHub Actions does not provide a real TTY and CRIU will fail with:
+       # Error (criu/tty.c:1014): tty: Don't have tty to inherit session from, aborting
+       make -C test/others/shell-job/ run
+fi
 make -C test/others/rpc/ run
 
 ./test/zdtm.py run -t zdtm/static/env00 --sibling
@@ -223,5 +227,3 @@ make -C test/others/libcriu run
 
 # external namespace testing
 make -C test/others/ns_ext run
-
-make -C test/others/shell-job