tests: Use a loop to wait for VM and sshd to start

Related: rhbz#1733504

tests/cli/lib/lib.sh

@@ -16,6 +16,28 @@ if [ "$COMPOSER_TEST_FAIL_FAST" == "1" ]; then
   }
 fi
 
+export QEMU_BIN="/usr/bin/qemu-system-$(uname -m)"
+export QEMU="$QEMU_BIN -machine accel=kvm:tcg"
+export SSH_PORT=2222
+
+boot_image() {
+    QEMU_BOOT=$1
+    TIMEOUT=$2
+    rlRun -t -c "$QEMU -m 2048 $QEMU_BOOT -nographic -monitor none \
+                 -net user,id=nic0,hostfwd=tcp::$SSH_PORT-:22 -net nic &"
+    # wait for ssh to become ready (yes, http is the wrong protocol, but it returns the header)
+    tries=0
+    until curl -sS -m 15 "http://localhost:$SSH_PORT/" | grep 'OpenSSH'; do
+        tries=$((tries + 1))
+        if [ $tries -gt $TIMEOUT ]; then
+            exit 1
+        fi
+        sleep 1
+        echo "DEBUG: Waiting for ssh become ready before testing ..."
+    done;
+}
+
+
 # a generic helper function unifying the specific checks executed on a running
 # image instance
 verify_image() {

tests/cli/test_compose_live-iso.sh

@@ -13,8 +13,6 @@ set -e
 . $(dirname $0)/lib/lib.sh
 
 CLI="${CLI:-./src/bin/composer-cli}"
-QEMU_BIN="/usr/libexec/qemu-kvm"
-QEMU="$QEMU_BIN -machine accel=kvm:tcg"
 
 rlJournalStart
     rlPhaseStartSetup
@@ -60,16 +58,12 @@ __EOF__
     rlPhaseEnd
 
     rlPhaseStartTest "Start VM instance"
-        rlRun -t -c "$QEMU -m 2048 -boot c -cdrom $IMAGE -nographic \
-                           -net user,id=nic0,hostfwd=tcp::2222-:22 -net nic &"
-        # 60 seconds timeout at boot menu screen
-        # then media check + boot ~ 30 seconds
-        sleep 120
+        boot_image "-boot d -cdrom $IMAGE" 120
     rlPhaseEnd
 
     rlPhaseStartTest "Verify VM instance"
         # run generic tests to verify the instance
-        ROOT_ACCOUNT_LOCKED=0 verify_image root localhost "-p 2222"
+        ROOT_ACCOUNT_LOCKED=0 verify_image liveuser localhost "-p $SSH_PORT"
     rlPhaseEnd
 
     rlPhaseStartCleanup

tests/cli/test_compose_qcow2.sh

@@ -13,8 +13,6 @@ set -e
 . $(dirname $0)/lib/lib.sh
 
 CLI="${CLI:-./src/bin/composer-cli}"
-QEMU_BIN="/usr/libexec/qemu-kvm"
-QEMU="$QEMU_BIN -machine accel=kvm:tcg"
 
 rlJournalStart
     rlPhaseStartSetup
@@ -74,14 +72,12 @@ __EOF__
     rlPhaseEnd
 
     rlPhaseStartTest "Start VM instance"
-        rlRun -t -c "$QEMU -m 2048 -boot c -hda $IMAGE -nographic \
-                           -net user,id=nic0,hostfwd=tcp::2222-:22 -net nic &"
-        sleep 60
+        boot_image "-boot c -hda $IMAGE" 60
     rlPhaseEnd
 
     rlPhaseStartTest "Verify VM instance"
         # run generic tests to verify the instance
-        verify_image root localhost "-i $SSH_KEY_DIR/id_rsa -p 2222"
+        verify_image root localhost "-i $SSH_KEY_DIR/id_rsa -p $SSH_PORT"
     rlPhaseEnd
 
     rlPhaseStartCleanup