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(#732) run.rb: Combine stderr and stdout #739

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@bastelfreak bastelfreak commented Nov 21, 2024

By default, Puppet::Util::Execution.execute only returns stdout. Puppet writes errors to stderr. When the run task fails, it only shows the successful output:

$ bolt task run puppet_agent::run --targets puppet
Started on puppet...
Finished on puppet:
  Info: Using environment 'production'
  Info: Retrieving pluginfacts
  Info: Retrieving plugin
  Info: Loading facts
  Notice: Requesting catalog from puppet.local:8140 (10.0.1.1)
  Notice: Catalog compiled by puppet.local

  *long json here*

With the patch:

$ bolt task run puppet_agent::run --targets puppet
Started on puppet...
Finished on puppet:
  Info: Using environment 'production'
  Info: Retrieving pluginfacts
  Info: Retrieving plugin
  Info: Loading facts
  Notice: Requesting catalog from puppet.local:8140 (10.0.1.1)
  Notice: Catalog compiled by puppet.local
  Error: Could not retrieve catalog from remote server: Error 500 on SERVER: Server Error: Evaluation Error: Error while evaluating a Function Call, Failed to execute '/pdb/query/v4' on at least 1 of the following 'server_urls': https://puppetdb:8081 (file: /opt/puppetlabs/puppet/modules/infrastructure/manifests/puppet/puppetserver.pp, line: 11, column: 14) on node puppet.local
  Warning: Not using cache on failed catalog
  Error: Could not retrieve catalog; skipping run

  *long json here*
``

By default, `Puppet::Util::Execution.execute` only returns stdout.
Puppet writes errors to stderr. When the run task fails, it only shows
the successful output:

```
$ bolt task run puppet_agent::run --targets puppet
Started on puppet...
Finished on puppet:
  Info: Using environment 'production'
  Info: Retrieving pluginfacts
  Info: Retrieving plugin
  Info: Loading facts
  Notice: Requesting catalog from puppet.local:8140 (10.0.1.1)
  Notice: Catalog compiled by puppet.local

  *long json here*
```

With the patch:

```
$ bolt task run puppet_agent::run --targets puppet
Started on puppet...
Finished on puppet:
  Info: Using environment 'production'
  Info: Retrieving pluginfacts
  Info: Retrieving plugin
  Info: Loading facts
  Notice: Requesting catalog from puppet.local:8140 (10.0.1.1)
  Notice: Catalog compiled by puppet.spirit-int.betadots.training
  Error: Could not retrieve catalog from remote server: Error 500 on SERVER: Server Error: Evaluation Error: Error while evaluating a Function Call, Failed to execute '/pdb/query/v4' on at least 1 of the following 'server_urls': https://puppetdb:8081 (file: /opt/puppetlabs/puppet/modules/infrastructure/manifests/puppet/puppetserver.pp, line: 11, column: 14) on node puppet.local
  Warning: Not using cache on failed catalog
  Error: Could not retrieve catalog; skipping run

  *long json here*
``
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