Hello,
I'm not sure if it's possible (I haven't seen it) to provide Puppet-like
logging of changed / error resources in *apply* blocks without any
additional code. Puppet Agent gives great visibility with default logging
level about what has changed and what has failed. Unfortunately, the Bolt
*apply* logs nothing except the failure.
Example:
apply($workers) {
exec { '/usr/bin/uptime': }
exec { '/usr/bin/missing': }
file { '/tmp/hey': content => 'hey', }
}
Result:
Starting: apply catalog on 147.251.255.50, 147.251.255.51, 147.251.255.56
Finished: apply catalog with 3 failures in 12.41 sec
Finished: plan profiles::test in 24.21 sec
Resources failed to apply for 147.251.255.50
Exec[/usr/bin/missing]: change from 'notrun' to ['0'] failed: Could not
find command '/usr/bin/missing'
Resources failed to apply for 147.251.255.51
Exec[/usr/bin/missing]: change from 'notrun' to ['0'] failed: Could not
find command '/usr/bin/missing'
Resources failed to apply for 147.251.255.56
Exec[/usr/bin/missing]: change from 'notrun' to ['0'] failed: Could not
find command '/usr/bin/missing'
For the user who is writing the plan, debugging the Puppet modules /
classes, running it several times... he doesn't see that uptime is running
every time or when the file has changed.
Yes, the workaround is to catch the result of *apply* call... but you would
have to do it for the very *apply* block.
Example:
$results = apply($workers, _catch_errors => true) {
exec { '/usr/bin/uptime': }
exec { '/usr/bin/missing': }
file { '/tmp/hey': content => 'hey', }
}
$results.each |$result| {
$result.report['logs'].each |$log| {
$_level = $log['level'] ? {
'notice' => 'Notice',
'err' => 'Error',
default => 'Unknown',
}
$_msg = sprintf(
'%s: %s: %s: %s',
$result.target.name,
$_level,
$log['source'],
$log['message']
)
case $log['level'] {
err: { err($_msg) }
default: { notice($_msg) }
}
}
}
Result:
Starting: apply catalog on 147.251.255.50, 147.251.255.51, 147.251.255.56
Finished: apply catalog with 3 failures in 12.26 sec
147.251.255.50: Notice: /Stage[main]/Main/Exec[/usr/bin/uptime]/returns:
executed successfully
147.251.255.50: Error: Puppet: Could not find command '/usr/bin/missing'
147.251.255.50: Error: /Stage[main]/Main/Exec[/usr/bin/missing]/returns:
change from 'notrun' to ['0'] failed: Could not find command
'/usr/bin/missing'
147.251.255.50: Notice: /Stage[main]/Main/File[/tmp/hey]/content: content
changed '{md5}79c2b46ce2594ecbcb5b73e928345492' to
'{md5}6057f13c496ecf7fd777ceb9e79ae285'
147.251.255.50: Notice: Puppet: Applied catalog in 0.11 seconds
147.251.255.51: Notice: /Stage[main]/Main/Exec[/usr/bin/uptime]/returns:
executed successfully
147.251.255.51: Error: Puppet: Could not find command '/usr/bin/missing'
147.251.255.51: Error: /Stage[main]/Main/Exec[/usr/bin/missing]/returns:
change from 'notrun' to ['0'] failed: Could not find command
'/usr/bin/missing'
147.251.255.51: Notice: /Stage[main]/Main/File[/tmp/hey]/content: content
changed '{md5}79c2b46ce2594ecbcb5b73e928345492' to
'{md5}6057f13c496ecf7fd777ceb9e79ae285'
147.251.255.51: Notice: Puppet: Applied catalog in 0.09 seconds
147.251.255.56: Notice: /Stage[main]/Main/Exec[/usr/bin/uptime]/returns:
executed successfully
147.251.255.56: Error: Puppet: Could not find command '/usr/bin/missing'
147.251.255.56: Error: /Stage[main]/Main/Exec[/usr/bin/missing]/returns:
change from 'notrun' to ['0'] failed: Could not find command
'/usr/bin/missing'
147.251.255.56: Notice: /Stage[main]/Main/File[/tmp/hey]/content: content
changed '{md5}79c2b46ce2594ecbcb5b73e928345492' to
'{md5}6057f13c496ecf7fd777ceb9e79ae285'
147.251.255.56: Notice: Puppet: Applied catalog in 0.07 seconds
Finished: plan profiles::test in 24.7 sec
I would love to see the above logging style for *apply* blocks integrated
into the Bolt so that it's not necessary to always catch the results to get
reasonable logs. It provides the helpful (I would more say necessary)
visibility into what's happening on the targets.
Thanks for any comments.
Best regards,
Vlastimil Holer
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