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Gem setting after chef's own expansion packs

I am trying to install a stone of fog in a chef's recipe, although gem installation occurs before native packages are installed, so gem installation does not work.

package "libxslt-dev"
package "libxml2-dev"

chef_gem "fog"

This is the conclusion.

[Thu, 14 Mar 2013 13:04:30 +0000] INFO: Processing chef_gem[fog] action install (ebs4000::update_volumes line 23)
[Thu, 14 Mar 2013 13:04:52 +0000] ERROR: Running exception handlers
[Thu, 14 Mar 2013 13:04:52 +0000] FATAL: Saving node information to /var/cache/chef/failed-run-data.json
[Thu, 14 Mar 2013 13:04:52 +0000] ERROR: Exception handlers complete
[Thu, 14 Mar 2013 13:04:52 +0000] ERROR: Gem::Installer::ExtensionBuildError: chef_gem[fog] (cookbook::recipe line 4) had an error: Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /usr/bin/ruby1.8 extconf.rb
checking for libxml/parser.h... no
-----
libxml2 is missing.  please visit http://nokogiri.org/tutorials/installing_nokogiri.html for help with installing dependencies.
-----
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers.  Check the mkmf.log file for more
details.  You may need configuration options.

Provided configuration options:
    --with-opt-dir
    --without-opt-dir
    ...
    --with-pkg-config
    --without-pkg-config


Gem files will remain installed in /var/lib/gems/1.8/gems/nokogiri-1.5.6 for inspection.
Results logged to /var/lib/gems/1.8/gems/nokogiri-1.5.6/ext/nokogiri/gem_make.out

I know the chef resource notification attribute, but I can still execute this run correctly.

So, how can I get the run command to install its own packages first, and then the stone in the same run.

Note. Manual installation of packages is not an option, since we want it to be fully automated for new nodes.

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2 answers

, : OPSCODE wiki:

, :

xsltdev = package "libxslt-dev" do
   action :nothing
end

xmldev = package "libxml2-dev" do
   action :nothing
end

xsltdev.run_action(:install)
xmldev.run_action(:install)

chef_gem "fog"
+7

, . , .

, , fog. , lib ? , - .

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