Migrate libbpf ci to GH actions

changes to docker command require to run it in non-interactive mode

travis-ci/managers/debian.sh

@@ -18,7 +18,7 @@ function error() {
 }
 
 function docker_exec() {
-    docker exec $ENV_VARS -it $CONT_NAME "$@"
+    docker exec $ENV_VARS $CONT_NAME "$@"
 }
 
 set -eu

travis-ci/vmtest/helpers.sh

@@ -2,11 +2,23 @@
 # $2 - fold identifier, no spaces
 # $3 - fold section description
 travis_fold() {
-	local YELLOW='\033[1;33m'
-	local NOCOLOR='\033[0m'
-	echo travis_fold:$1:$2
-	if [ ! -z "${3:-}" ]; then
-		echo -e "${YELLOW}$3${NOCOLOR}"
-	fi
-	echo
+  local YELLOW='\033[1;33m'
+  local NOCOLOR='\033[0m'
+  if [ -z ${GITHUB_WORKFLOW+x} ]; then
+    echo travis_fold:$1:$2
+    if [ ! -z "${3:-}" ]; then
+      echo -e "${YELLOW}$3${NOCOLOR}"
+    fi
+    echo
+  else
+    if [ $1 = "start" ]; then
+      line="::group::$2"
+      if [ ! -z "${3:-}" ]; then
+        line="$line - ${YELLOW}$3${NOCOLOR}"
+      fi
+    else
+      line="::endgroup"
+    fi
+    echo -e "$line"
+  fi
 }

travis-ci/vmtest/run.sh

@@ -436,11 +436,15 @@ sudo umount "$mnt"
 
 echo "Starting VM with $(nproc) CPUs..."
 
+if kvm-ok ; then
+  accel="-cpu kvm64 -enable-kvm"
+else
+  accel="-cpu qemu64 -machine accel=tcg"
+fi
 qemu-system-x86_64 -nodefaults -display none -serial mon:stdio \
-	-cpu kvm64 -enable-kvm -smp "$(nproc)" -m 4G \
-	-drive file="$IMG",format=raw,index=1,media=disk,if=virtio,cache=none \
-	-kernel "$vmlinuz" -append "root=/dev/vda rw console=ttyS0,115200$APPEND"
-
+  ${accel} -smp "$(nproc)" -m 4G \
+  -drive file="$IMG",format=raw,index=1,media=disk,if=virtio,cache=none \
+  -kernel "$vmlinuz" -append "root=/dev/vda rw console=ttyS0,115200$APPEND"
 sudo mount -o loop "$IMG" "$mnt"
 if exitstatus="$(cat "$mnt/exitstatus" 2>/dev/null)"; then
 	printf '\nTests exit status: %s\n' "$exitstatus" >&2