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Fix issues for sonic_installer upgrade-docker and sonic_installer rollback-docker #2278

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Merged
qiluo-msft merged 4 commits into from
Aug 8, 2022
Merged

Fix issues for sonic_installer upgrade-docker and sonic_installer rollback-docker #2278

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a3bbf46
Fix issues for sonic_installer upgrade-docker and sonic_installer rol…
Junchao-Mellanox Jul 20, 2022
58b1cec
Allow mgmt-framework to be warm restart
Junchao-Mellanox Jul 21, 2022
b4a0720
Fix review comment and add unit test
Junchao-Mellanox Aug 5, 2022
d690b7b
Improve coverage
Junchao-Mellanox Aug 8, 2022
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2 changes: 2 additions & 0 deletions sonic_installer/common.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,8 @@ def run_command(command):
if proc.returncode != 0:
sys.exit(proc.returncode)

return out.rstrip("\n")
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@qiluo-msft qiluo-msft Aug 4, 2022 •
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return out.rstrip("\n")

To make coverage easier, do you really need this change? #Closed

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@Junchao-Mellanox Junchao-Mellanox Aug 5, 2022

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Since I will rollback line 942, I don't need this change any more.


# Run bash command and return output, raise if it fails
def run_command_or_raise(argv, raise_exception=True):
click.echo(click.style("Command: ", fg='cyan') + click.style(' '.join(argv), fg='green'))
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24 changes: 13 additions & 11 deletions sonic_installer/main.py
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Expand Up @@ -134,7 +134,7 @@ def get_docker_tag_name(image):


def echo_and_log(msg, priority=LOG_NOTICE, fg=None):
if priority >= LOG_ERR:
if priority == LOG_ERR:
# Print to stderr if priority is error
click.secho(msg, fg=fg, err=True)
else:
Expand Down Expand Up @@ -647,7 +647,7 @@ def set_fips(image, enable_fips):
bootloader = get_bootloader()
if not image:
image = bootloader.get_next_image()
if image not in bootloader.get_installed_images():
if image not in bootloader.get_installed_images():
echo_and_log('Error: Image does not exist', LOG_ERR)
sys.exit(1)
bootloader.set_fips(image, enable=enable_fips)
Expand Down Expand Up @@ -743,7 +743,8 @@ def cleanup():
"swss",
"syncd",
"teamd",
"telemetry"
"telemetry",
"mgmt-framework"
]

# Upgrade docker image
Expand Down Expand Up @@ -872,17 +873,17 @@ def upgrade_docker(container_name, url, cleanup_image, skip_check, tag, warm):
# this is image_id for image with "latest" tag
image_id_latest = get_container_image_id(image_latest)

for id in image_id_all:
if id != image_id_latest:
# Unless requested, the previoud docker image will be preserved
if not cleanup_image and id == image_id_previous:
continue
run_command("docker rmi -f %s" % id)
if cleanup_image:
# Unless requested, the previoud docker image will be preserved
for id in image_id_all:
if id != image_id_latest and id == image_id_previous:
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@qiluo-msft qiluo-msft Aug 4, 2022 •
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id != image_id_latest and id == image_id_previous

This check is weird, seems like image_id_latest != image_id_previous, and not related to the loop var. Could you double check? #Closed

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@Junchao-Mellanox Junchao-Mellanox Aug 5, 2022

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will fix

run_command("docker rmi -f %s" % id)
break

exp_state = "reconciled"
state = ""
# post warm restart specific procssing for swss, bgp and teamd dockers, wait for reconciliation state.
if warm_configured is True or warm:
if warm_app_names and (warm_configured is True or warm):
count = 0
for warm_app_name in warm_app_names:
state = ""
Expand Down Expand Up @@ -938,7 +939,8 @@ def rollback_docker(container_name):
version_tag = ""
for id in image_id_all:
if id != image_id_previous:
version_tag = get_docker_tag_name(id)
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@qiluo-msft qiluo-msft Aug 4, 2022 •
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get_docker_tag_name

you can change the implementation of get_docker_tag_name(), and this function should be easy to unit test, you still need some mock. #Closed

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@Junchao-Mellanox Junchao-Mellanox Aug 5, 2022 •
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Hi qi, thanks for the suggestion. I would to rollback this change because I found the real issue is in sonic build system. Here is my analyze:

During my previous manual test with a local image, I found get_docker_tag_name() cannot return the correct tag name of docker. The return value of get_docker_tag_name() does not equal to output of docker images.

However, I re-visit the logic today, and I found:

  1. get_docker_tag_name() tries to get the docker tag by querying a docker label specified by sonic make file.
cmd = "docker inspect --format '{{.ContainerConfig.Labels.Tag}}' " + image
  1. This label is added in slave.mk. See https://github.com/sonic-net/sonic-buildimage/blob/736c739bf492a73c60cfca000b853c040f53a104/slave.mk#L895
	docker build --squash --no-cache \
...
		--label Tag=$(SONIC_IMAGE_VERSION) \
  1. The real docker tag is added in build_debian.sh. See https://github.com/sonic-net/sonic-buildimage/blob/736c739bf492a73c60cfca000b853c040f53a104/files/build_templates/sonic_debian_extension.j2#L697
sudo LANG=C DOCKER_HOST="$DOCKER_HOST" chroot $FILESYSTEM_ROOT docker tag {{imagename}}:latest {{imagename}}:"${SONIC_IMAGE_VERSION}"

In theory, item#2 and item#3 shall get the same value of ${SONIC_IMAGE_VERSION}. But it doesn't. I got from build log:

  1. For item#2, it prints:
docker-database.gz.log:Step 23/25 : LABEL Tag=syslog-rate-limit.0-dirty-20220804.115836
  1. For item#3, it prints:
sonic-mellanox.bin.log:+ sudo LANG=C DOCKER_HOST= chroot ./fsroot-mellanox docker tag docker-database:latest docker-database:syslog-rate-limit.0-dirty-20220804.165951

As you can see, value of SONIC_IMAGE_VERSION is different in the same build. I suppose SONIC_IMAGE_VERSION value shall always be the same in the same build.

The issue is probably related to the timestamp in the SONIC_IMAGE_VERSION. However, I found timestamp is not part of SONIC_IMAGE_VERSION in official image. So, maybe we can ignore this issue.

version_tag = run_command("docker images --format '{{{{.ID}}}} {{{{.Tag}}}}' | grep {} | awk '{{print $2}}'".format(id))
break

# make previous image as latest
run_command("docker tag %s:%s %s:latest" % (image_name, version_tag, image_name))
Expand Down