Aws-cli: S3 progress verbosity should be optional

[ddarbyson]

When using aws s3 sync the verbose output will provide updates for "Completed 101 of 109 part(s) with 4 file(s) remaining"... When piping the output to a log file the results are as shown:

upload: ../var/server/backup/websites/mysite/mysite_shadow.mig to s3://my-bucket/working/daily/websites/mysite/mysite_shadow.mig
Completed 101 of 109 part(s) with 4 file(s) remaining
upload: ../var/server/backup/websites/mysite/mysite_user.sql to s3://my-bucket/working/daily/websites/mysite/mysite_user.sql
Completed 102 of 109 part(s) with 3 file(s) remaining
upload: ../var/server/backup/websites/mysite/mysite_vhost.conf to s3://my-bucket/working/daily/websites/mysite/mysite_vhost.conf
Completed 103 of 109 part(s) with 2 file(s) remaining
Completed 104 of 109 part(s) with 2 file(s) remaining
Completed 105 of 109 part(s) with 2 file(s) remaining
Completed 106 of 109 part(s) with 2 file(s) remaining
Completed 107 of 109 part(s) with 2 file(s) remaining
Completed 108 of 109 part(s) with 2 file(s) remaining
upload: ../var/server/backup/websites/mysite/mysite_home.tar.gz to s3://my-bucket/working/daily/websites/mysite/mysite_home.tar.gz
Completed 108 of 109 part(s) with 1 file(s) remaining
Completed 109 of 109 part(s) with 1 file(s) remaining

Log files would read much better if the "Completed ... of ... parts(s) etc" was not displayed.

Having a new --[no-]progress option for the S3 commands would be nice.

[ddarbyson]

Is there anybody out there?

[ddarbyson]

I suppose this has been put on the back, back burner? Original comment is from 2013...

[SirZach]

have you tried --quiet?

[beauhoyt]

This seems like something you should be able to solve with the unix tool chain.
Simply doing something like this would get you the result you desire:
aws s3 sync /source/folder s3://dest-bucket/ | grep -v 'file(s) remaining' > /var/log/some-aws-s3-sync-logfile-name

[ddarbyson]

Nice idea @beauhoyt but the inverted grep doesn't fix the column progress from polluting log files. The only work around, which isn't ideal for logging, is the --only-show-errors option.

--quiet as suggested by @SirZach doesn't provide enough details if something goes wrong.

It would be nice to see an option such as --skip-progress to something similar to omit this updating terminal column and rows.

[SirZach]

@ddarbyson just make sure nothing goes wrong and you're good to go :)

[ddarbyson]

@SirZach if software development could be so easy :)

[nkadel-skyhook]

Fixing it with a grep wrapper is a horrible, horrible solution. I'd find it a very useful option for reporting transmitted files, without having to embed such grep wrappers into cron jobs.

[tomorsi]

i have a very long running sync, and it has to be restarted, is there anyway to have the s3 sync report where it is in verifying objects that have already been sync'd?

i am only getting "Completed 0 parts(0) with ... file(s) remaining" message.

[benbunk]

Has anyone taken a stab at fixing this? I have a cron job backing up a 2.5 GB file to S3 and it generates nearly 10,000 lines of this in my logs and I would love to get rid of it:

Completed 1.0 MiB/2.5 GiB (4.9 MiB/s) with 1 file(s) remaining 

--quiet and --only-show-errors doesn't seem to make any difference in hiding the progress.

[nkadel-skyhook]

I'm not seeing this problem. --only-show-errors is doing what I expect.

Is your awscli up to date?

Sent from my iPhone

On Mar 17, 2017, at 11:00 AM, Benjamin Bunk <[email protected][e-mail]> wrote:

Has anyone taken a stab at fixing this? I have a cron job backing up a 2.5 GB file to S3 and it generates nearly 10,000 lines of this in my logs and I would love to get rid of it:

Completed 1.0 MiB/2.5 GiB (4.9 MiB/s) with 1 file(s) remaining

--quiet and --only-show-errors doesn't seem to make any difference in hiding the progress.

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[jrottenberg]

@nkadel-skyhook I believe what is expected is to show the success, without the progress, observed :

Completed 108 of 109 part(s) with 2 file(s) remaining
upload: ../var/server/backup/websites/mysite/mysite_home.tar.gz to s3://my-bucket/working/daily/websites/mysite/mysite_home.tar.gz
Completed 108 of 109 part(s) with 1 file(s) remaining
Completed 109 of 109 part(s) with 1 file(s) remaining
copy ../var/server/backup/websites/mysite/mysite_home.tar.gz to s3://my-bucket/working/daily/websites/mysite/mysite_home.tar.gz

expected :

copy ../var/server/backup/websites/mysite/mysite_home.tar.gz to s3://my-bucket/working/daily/websites/mysite/mysite_home.tar.gz

[jrottenberg]

Ok was able to find a workaround, but it's not the most elegant...
aws s3 sync s3://src-bucket/ s3://dest-bucket/ | tr "\r" "\n" | grep -v '^Completed ' | logger -t sync

You got in syslog the actual copy message, successful or not, without the progress information.

[nkadel-skyhook]

@jrottenberg I wouldn't consider feeding the output of an aws s3 sync to "logger" to be a reasonable approach. System logs are not necessarily visible to non-root users.

I would like an option similar to rsync's "-v" setting, which provides a simple record of each file as it is being transferred, and no churning report of the progress of the file transfer. awscli does not currently have such an option, as best I can tell. It's an all or nothing. setting.

[jrottenberg]

ah , the logger part is just to avoid the redirect to a file (it can fill up disk, no timestamp, etc : issues syslog addresses for me and I have awslogs for my users), the main point is on the tr and grep -v.

[vindimy]

+1 would like this implemented. I work for a fairly large org and we use AWS services extensively. Scheduling backups to S3 is a pain in the ass because awscli s3 sync generates unreadable garbage output when redirected to a file, making it impossible to verify or detect when something goes wrong. For us --only-show-errors is not a good option because we frequently run into issues troubleshooting long-running syncs and have no idea of knowing if/where it's stuck or not.

[nkadel-skyhook]

That option of piping the output through the scripting reported above is useful : is useful. As a pure matter of form, I'd urge using ' or " consistently, rather than mixing them, so I'd use this below.

• | tr '\r' '\n' | sed '/^Completed/d'

This also avoids the "grep fails to see any text that does not say '^Completed', and therefore reports an error" of the original tool.

The remaining danger is that this pipes the output through a "sed" command and can return the results of the "sed" command, not the results of a failed "aws s3 sync" command. To avoid missing error reports, precede the command in a "bash" shell script with "set -o pipefail. Something like this:

• set -o pipefail; aws s3 sync dirname/ s3://bucketname/dirname/ | tr '\r' '\n' | sed '/^Completed/d'

Autocorrect kept trying to change "pipefail" to "pipefile"!

[schmorla]

Another +1 for this.

[enriccalabuig]

Totally necessary IMO. I run aws s3 sync in a daily cron and now it makes monitoring progress by a mailto a nightmare.

[hansw96]

+1 for this

[rickripe]

+1. I can't believe that 4 years later someone has picked this up only to have it stalled with "needs-review" status on a pull request 2747. This is rather tragic that it took so long for someone to do the work and now we wait (again) for someone to review & approve. I was going to pull down the code and attempt it myself.

[milh0use]

Yes please, +1

[joguSD]

Implemented in https://github.com/aws/aws-cli/pull/2747

You should now be able to specify the --no-progress flag to opt out of progress related message while still getting more information than --quiet.

[wrunderwood]

It looks like progress messages are sent to stdout and errors to stderr. Sending stdout to /dev/null works for me:

aws s3 cp a b > /dev/null