On 02/06/16 14:58, Marc Haber wrote:
Hi,
thanks for your answers. They're helpful.
On Thu, Jun 02, 2016 at 02:42:17PM +0200, Henrik Lindberg wrote:
On 02/06/16 09:22, Marc Haber wrote:
On Wed, Jun 01, 2016 at 05:34:59PM +0200, Henrik Lindberg wrote:
First check what you get in puppet with a simple manifest:
notice($facts)
$ sudo puppet apply -e 'notify{"${os}":}'
Notice: Compiled catalog for host in environment production in 0.02 seconds
Notice: {"name"=>"CentOS", "family"=>"RedHat", "release"=>{"major"=>"7", "minor"=>"2", "full"=>"7.2.1511"}, "lsb"=>{"distcodename"=>"Core", "distid"=>"CentOS",
"distdescription"=>"CentOS Linux release 7.2.1511 (Core) ", "release"=>":core-4.1-amd64:core-4.1-noarch", "distrelease"=>"7.2.1511", "majdistrelease"=>"7", "minordistrelease"=>"2"}}
Notice: /Stage[main]/Main/Notify[{"name"=>"CentOS", "family"=>"RedHat", "release"=>{"major"=>"7", "minor"=>"2", "full"=>"7.2.1511"}, "lsb"=>{"distcodename"=>"Core", "distid"=>"CentOS", "distdescription"=>"CentOS Linux release 7.2.1511 (Core) ", "release"=>":core-4.1-amd64:core-4.1-noarch", "distrelease"=>"7.2.1511", "majdistrelease"=>"7", "minordistrelease"=>"2"}}]/message:
defined 'message' as '{"name"=>"CentOS", "family"=>"RedHat", "release"=>{"major"=>"7", "minor"=>"2", "full"=>"7.2.1511"}, "lsb"=>{"distcodename"=>"Core", "distid"=>"CentOS", "distdescription"=>"CentOS Linux release 7.2.1511 (Core) ", "release"=>":core-4.1-amd64:core-4.1-noarch", "distrelease"=>"7.2.1511", "majdistrelease"=>"7", "minordistrelease"=>"2"}}'
Notice: Finished catalog run in 0.70 seconds
$ sudo puppet apply -e 'notify{"foo ${facts}":}'
Notice: Compiled catalog for host in environment production in 0.03 seconds
Notice: foo
Notice: /Stage[main]/Main/Notify[foo ]/message: defined 'message' as 'foo '
Notice: Finished catalog run in 0.81 seconds
$ sudo puppet --version
3.8.6
Unfortunately, I cannot see here whether ${os} is actually a string,
can I?
When you notice ${os} it turns the value into the printed string. That
string looks like a hash, so you are indeed seeing a structure value where
you should be able to access $os[name] etc.
How would it look like if ${os} were actually a hash?
Like in the output you got (above).
i.e. { "name" => "CentOS", "family" => " ...", ... }
$ sudo puppet apply -e '$myhash={ key1 => 'val1', key2 => 'val2' } notify{"foo
${myhash}":}'
Notice: Compiled catalog for host in environment production in 0.08 seconds
Notice: foo {"key1"=>"val1", "key2"=>"val2"}
Notice: /Stage[main]/Main/Notify[foo {"key1"=>"val1", "key2"=>"val2"}]/message: defined 'message' as 'foo
{"key1"=>"val1", "key2"=>"val2"}'
Notice: Finished catalog run in 0.71 seconds
$ sudo puppet apply -e '$mystring="{\"key1\"=>\"val1\", \"key2\"=>\"val2\"}"
notify{"foo ${mystring}":}'
Notice: Compiled catalog for host in environment production in 0.03 seconds
Notice: foo {"key1"=>"val1", "key2"=>"val2"}
Notice: /Stage[main]/Main/Notify[foo {"key1"=>"val1", "key2"=>"val2"}]/message: defined 'message' as 'foo
{"key1"=>"val1", "key2"=>"val2"}'
Notice: Finished catalog run in 0.72 seconds
1.pportal|e13itfe@jira01 ~ $
Is ${os} now a string or not?
There is no mention of ${os} in that snippet
Misleading question. The snipped was to find out how a notified hash
looks like and a notified string that looks like a stringyfied hash.
There seems to be no difference.
And, why is ${facts} obviously empty?
By default, $facts is an opt in before 4.0 and did not exist before 3.5.0.
I missed the part that it's default off in pre 4.0.
In almost every case it is ok to turn on support for $facts. It only breaks
something if you already have global variables that clash (very unlikely).
Opened a local ticket.
Hope that works out for you.
Thanks agan.
np, cheers,
- henrik
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