Add --print_config command line parameter to dump the effective confi…

README.md

@@ -46,7 +46,7 @@ SolrWrapper.wrap port: 8983,
 | solr_options  | (Hash) |
 | env           | (Hash) |
 | persist      | (Boolean) Preserves the data in you collection between startups |
-
+| print_config  | (boolean) |
 ```ruby
 solr.with_collection(name: 'collection_name', dir: 'path_to_solr_configs')
 ```

exe/solr_wrapper

@@ -19,6 +19,10 @@ args = OptionParser.new do |opts|
     options[:verbose] = v
   end
 
+  opts.on("--print-config", "Print the configuration parameters") do |d|
+    options[:print_config] = true
+  end
+
   opts.on("--config FILE", "Load configuration from a file") do |v|
     options[:config] = v
   end
@@ -98,6 +102,12 @@ end
 
 instance = SolrWrapper.instance(options)
 
+if options[:print_config]
+  $stderr.puts '### solr_wrapper configuration ###'
+  $stderr.puts instance.config.to_yaml
+  $stderr.puts '#####'
+end
+
 case command
 when 'clean'
   if instance.started?

lib/solr_wrapper/configuration.rb

@@ -150,6 +150,10 @@ def poll_interval
       options.fetch(:poll_interval, 1)
     end
 
+    def tmp_save_dir
+      options[:tmp_save_dir]
+    end
+
     private
 
       def self.slice(source, *keys)

lib/solr_wrapper/settings.rb

@@ -20,14 +20,33 @@ def initialize(static_config)
       @static_config = static_config
     end
 
+    def to_yaml(*args)
+      static_config.options.merge({
+        version: version,
+        verbose: verbose?,
+        download_dir: download_dir,
+        host: host,
+        zookeeper_host: zookeeper_host,
+        port: port,
+        zookeeper_port: zookeeper_port,
+        url: url,
+        instance_dir: instance_dir,
+        download_url: download_url,
+        solr_zip_path: solr_zip_path,
+        version_file: version_file,
+        mirror_url: default_download_url.gsub(%r{/lucene/solr.*}, ''),
+        tmp_save_dir: tmp_save_dir
+      }).to_yaml(*args)
+    end
+
     ##
     # Get the host this Solr instance is bound to
     def host
       '127.0.0.1'
     end
 
     def zookeeper_host
-      @zookeeper_host ||= static_config.zookeeper_port
+      @zookeeper_host ||= static_config.zookeeper_host
       @zookeeper_host ||= host
     end
 
@@ -77,6 +96,7 @@ def solr_binary
     end
 
     def tmp_save_dir
+      @tmp_save_dir ||= static_config.tmp_save_dir
       @tmp_save_dir ||= Dir.mktmpdir
     end