[PATCH v2 1/2] automation: fix false success in qemu tests

[<victorm.lira@xxxxxxx>]

From: Victor Lira <victorm.lira@xxxxxxx>

Fix flaw in qemu-*.sh tests that producess a false success. The following
lines produces success despite the "expect" script producing nonzero exit
status:

    set +e
...
    ./automation/scripts/qemu-key.exp | sed 's/\r\+$//'
    (end of file)

The default exit status for a pipeline using "|" operator is that of the
rightmost command. Fix this by setting the "pipefail" option in the shell,
and removing "set +e" allowing the expect script to determine the result.

Signed-off-by: Victor Lira <victorm.lira@xxxxxxx>
---
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Julien Grall <julien@xxxxxxx>
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Cc: Michal Orzel <michal.orzel@xxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
---
 automation/scripts/qemu-alpine-x86_64.sh        | 3 +--
 automation/scripts/qemu-key.exp                 | 2 +-
 automation/scripts/qemu-smoke-dom0-arm32.sh     | 3 +--
 automation/scripts/qemu-smoke-dom0-arm64.sh     | 3 +--
 automation/scripts/qemu-smoke-dom0less-arm32.sh | 3 +--
 automation/scripts/qemu-smoke-dom0less-arm64.sh | 3 +--
 automation/scripts/qemu-smoke-ppc64le.sh        | 3 +--
 automation/scripts/qemu-smoke-riscv64.sh        | 3 +--
 automation/scripts/qemu-smoke-x86-64.sh         | 3 +--
 automation/scripts/qemu-xtf-dom0less-arm64.sh   | 3 +--
 10 files changed, 10 insertions(+), 19 deletions(-)

diff --git a/automation/scripts/qemu-alpine-x86_64.sh 
b/automation/scripts/qemu-alpine-x86_64.sh
index 42a89e86b021..93914c41bc24 100755
--- a/automation/scripts/qemu-alpine-x86_64.sh
+++ b/automation/scripts/qemu-alpine-x86_64.sh
@@ -1,6 +1,6 @@
 #!/bin/bash

-set -ex
+set -ex -o pipefail

 # DomU Busybox
 cd binaries
@@ -76,7 +76,6 @@ EOF

 # Run the test
 rm -f smoke.serial
-set +e
 export QEMU_CMD="qemu-system-x86_64 \
     -cpu qemu64,+svm \
     -m 2G -smp 2 \
diff --git a/automation/scripts/qemu-key.exp b/automation/scripts/qemu-key.exp
index 787f1f08cb96..66c416483146 100755
--- a/automation/scripts/qemu-key.exp
+++ b/automation/scripts/qemu-key.exp
@@ -14,7 +14,7 @@ eval spawn $env(QEMU_CMD)

 expect_after {
     -re "(.*)\r" {
-        exp_continue
+        exp_continue -continue_timer
     }
     timeout {send_error "ERROR-Timeout!\n"; exit 1}
     eof {send_error "ERROR-EOF!\n"; exit 1}
diff --git a/automation/scripts/qemu-smoke-dom0-arm32.sh 
b/automation/scripts/qemu-smoke-dom0-arm32.sh
index fd64b19358ae..7c282eff3a58 100755
--- a/automation/scripts/qemu-smoke-dom0-arm32.sh
+++ b/automation/scripts/qemu-smoke-dom0-arm32.sh
@@ -1,6 +1,6 @@
 #!/bin/bash

-set -ex
+set -ex -o pipefail

 serial_log="$(pwd)/smoke.serial"

@@ -77,7 +77,6 @@ git clone --depth 1 
https://gitlab.com/xen-project/imagebuilder.git
 bash imagebuilder/scripts/uboot-script-gen -t tftp -d . -c config

 rm -f ${serial_log}
-set +e
 export QEMU_CMD="./qemu-system-arm \
    -machine virt \
    -machine virtualization=true \
diff --git a/automation/scripts/qemu-smoke-dom0-arm64.sh 
b/automation/scripts/qemu-smoke-dom0-arm64.sh
index e0cea742b0a0..81f210f7f50e 100755
--- a/automation/scripts/qemu-smoke-dom0-arm64.sh
+++ b/automation/scripts/qemu-smoke-dom0-arm64.sh
@@ -1,6 +1,6 @@
 #!/bin/bash

-set -ex
+set -ex -o pipefail

 # DomU Busybox
 cd binaries
@@ -93,7 +93,6 @@ bash imagebuilder/scripts/uboot-script-gen -t tftp -d 
binaries/ -c binaries/conf

 # Run the test
 rm -f smoke.serial
-set +e
 export QEMU_CMD="./binaries/qemu-system-aarch64 \
     -machine virtualization=true \
     -cpu cortex-a57 -machine type=virt \
diff --git a/automation/scripts/qemu-smoke-dom0less-arm32.sh 
b/automation/scripts/qemu-smoke-dom0less-arm32.sh
index e824cb7c2a3d..38e8a0b0bd7d 100755
--- a/automation/scripts/qemu-smoke-dom0less-arm32.sh
+++ b/automation/scripts/qemu-smoke-dom0less-arm32.sh
@@ -1,6 +1,6 @@
 #!/bin/bash

-set -ex
+set -ex -o pipefail

 test_variant=$1

@@ -130,7 +130,6 @@ bash imagebuilder/scripts/uboot-script-gen -t tftp -d . -c 
config

 # Run the test
 rm -f ${serial_log}
-set +e
 export QEMU_CMD="./qemu-system-arm \
     -machine virt \
     -machine virtualization=true \
diff --git a/automation/scripts/qemu-smoke-dom0less-arm64.sh 
b/automation/scripts/qemu-smoke-dom0less-arm64.sh
index f42ba5d196bc..ea67650e17da 100755
--- a/automation/scripts/qemu-smoke-dom0less-arm64.sh
+++ b/automation/scripts/qemu-smoke-dom0less-arm64.sh
@@ -1,6 +1,6 @@
 #!/bin/bash

-set -ex
+set -ex -o pipefail

 test_variant=$1

@@ -204,7 +204,6 @@ bash imagebuilder/scripts/uboot-script-gen -t tftp -d 
binaries/ -c binaries/conf

 # Run the test
 rm -f smoke.serial
-set +e
 export QEMU_CMD="./binaries/qemu-system-aarch64 \
     -machine virtualization=true \
     -cpu cortex-a57 -machine type=virt,gic-version=$gic_version \
diff --git a/automation/scripts/qemu-smoke-ppc64le.sh 
b/automation/scripts/qemu-smoke-ppc64le.sh
index 594f92c19cc2..49e189c37058 100755
--- a/automation/scripts/qemu-smoke-ppc64le.sh
+++ b/automation/scripts/qemu-smoke-ppc64le.sh
@@ -1,6 +1,6 @@
 #!/bin/bash

-set -ex
+set -ex -o pipefail

 serial_log="$(pwd)/smoke.serial"

@@ -9,7 +9,6 @@ machine=$1

 # Run the test
 rm -f ${serial_log}
-set +e

 export QEMU_CMD="qemu-system-ppc64 \
     -bios skiboot.lid \
diff --git a/automation/scripts/qemu-smoke-riscv64.sh 
b/automation/scripts/qemu-smoke-riscv64.sh
index c2595f657ff3..422ee03e0d26 100755
--- a/automation/scripts/qemu-smoke-riscv64.sh
+++ b/automation/scripts/qemu-smoke-riscv64.sh
@@ -1,10 +1,9 @@
 #!/bin/bash

-set -ex
+set -ex -o pipefail

 # Run the test
 rm -f smoke.serial
-set +e

 export QEMU_CMD="qemu-system-riscv64 \
     -M virt \
diff --git a/automation/scripts/qemu-smoke-x86-64.sh 
b/automation/scripts/qemu-smoke-x86-64.sh
index 3440b1761db4..7495185d9fc6 100755
--- a/automation/scripts/qemu-smoke-x86-64.sh
+++ b/automation/scripts/qemu-smoke-x86-64.sh
@@ -1,6 +1,6 @@
 #!/bin/bash

-set -ex
+set -ex -o pipefail

 # variant should be either pv or pvh
 variant=$1
@@ -15,7 +15,6 @@ case $variant in
 esac

 rm -f smoke.serial
-set +e
 export QEMU_CMD="qemu-system-x86_64 -nographic -kernel binaries/xen \
         -initrd xtf/tests/example/$k \
         -append \"loglvl=all console=com1 noreboot console_timestamps=boot 
$extra\" \
diff --git a/automation/scripts/qemu-xtf-dom0less-arm64.sh 
b/automation/scripts/qemu-xtf-dom0less-arm64.sh
index 4042fe50602b..acef1637e25b 100755
--- a/automation/scripts/qemu-xtf-dom0less-arm64.sh
+++ b/automation/scripts/qemu-xtf-dom0less-arm64.sh
@@ -1,6 +1,6 @@
 #!/bin/bash

-set -ex
+set -ex -o pipefail

 # Name of the XTF test
 xtf_test=$1
@@ -50,7 +50,6 @@ bash imagebuilder/scripts/uboot-script-gen -t tftp -d 
binaries/ -c binaries/conf

 # Run the test
 rm -f smoke.serial
-set +e
 export QEMU_CMD="./binaries/qemu-system-aarch64 \
     -machine virtualization=true \
     -cpu cortex-a57 -machine type=virt \
--
2.25.1