Class: SolrWrapper::Instance

Inherits:
Object
  • Object
show all
Defined in:
lib/solr_wrapper/instance.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Instance

Returns a new instance of Instance.

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :url (String)
  • :instance_dir (String) —

    Directory to store the solr index files

  • :version (String) —

    Solr version to download and install

  • :port (String) —

    port to run Solr on

  • :cloud (Boolean) —

    Run solr in cloud mode

  • :version_file (String) —

    Local path to store the currently installed version

  • :download_dir (String) —

    Local directory to store the downloaded Solr zip and its md5 file in (overridden by :solr_zip_path)

  • :solr_zip_path (String) —

    Local path for storing the downloaded Solr zip file

  • :validate (Boolean) —

    Should solr_wrapper download a new md5 and (re-)validate the zip file? (default: trueF)

  • :md5sum (String) —

    Path/URL to MD5 checksum

  • :solr_xml (String) —

    Path to Solr configuration

  • :extra_lib_dir (String) —

    Path to directory containing extra libraries to copy into instance_dir/lib

  • :verbose (Boolean) —

    return verbose info when running solr commands

  • :ignore_md5sum (Boolean)
  • :solr_options (Hash)
  • :env (Hash)
  • :config (String) 


36
37
38
39
 
# File 'lib/solr_wrapper/instance.rb', line 36

def initialize(options = {})
  @config = Settings.new(Configuration.new(options))
  @md5 = MD5.new(@config)
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



15
16
17
 
# File 'lib/solr_wrapper/instance.rb', line 15

def config
  @config
end

#md5 ⇒ Object (readonly)

Returns the value of attribute md5.



15
16
17
 
# File 'lib/solr_wrapper/instance.rb', line 15

def md5
  @md5
end

Instance Method Details

#clean! ⇒ Object

Clean up any files solr_wrapper may have downloaded



221
222
223
224
225
226
227
228
 
# File 'lib/solr_wrapper/instance.rb', line 221

def clean!
  stop
  remove_instance_dir!
  FileUtils.remove_entry(config.download_dir, true) if File.exists?(config.download_dir)
  FileUtils.remove_entry(config.tmp_save_dir, true) if File.exists? config.tmp_save_dir
  md5.clean!
  FileUtils.remove_entry(config.version_file) if File.exists? config.version_file
end

#configure ⇒ Object 



236
237
238
239
240
 
# File 'lib/solr_wrapper/instance.rb', line 236

def configure
  raise_error_unless_extracted
  FileUtils.cp config.solr_xml, File.join(config.instance_dir, 'server', 'solr', 'solr.xml') if config.solr_xml
  FileUtils.cp_r File.join(config.extra_lib_dir, '.'), File.join(config.instance_dir, 'server', 'solr', 'lib') if config.extra_lib_dir
end

#create(options = {}) ⇒ Object

Create a new collection in solr

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :name (String)
  • :dir (String) 


143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
 
# File 'lib/solr_wrapper/instance.rb', line 143

def create(options = {})
  options[:name] ||= SecureRandom.hex

  create_options = { p: port }
  create_options[:c] = options[:name] if options[:name]
  create_options[:n] = options[:config_name] if options[:config_name]
  create_options[:d] = options[:dir] if options[:dir]

  # short-circuit if we're using persisted data with an existing core/collection
  return if options[:persist] && create_options[:c] && client.exists?(create_options[:c])

  exec("create", create_options)

  options[:name]
end

#delete(name, _options = {}) ⇒ Object

Create a new collection in solr

Parameters:

  • name (String) —

    collection name



198
199
200
 
# File 'lib/solr_wrapper/instance.rb', line 198

def delete(name, _options = {})
  exec("delete", c: name, p: port)
end

#downconfig(options = {}) ⇒ Object

Copy the collection configuration from zookeeper to a local directory

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :config_name (String)
  • :dir (String) 


182
183
184
185
186
187
188
189
190
191
192
193
 
# File 'lib/solr_wrapper/instance.rb', line 182

def downconfig(options = {})
  options[:name] ||= SecureRandom.hex
  options[:zkhost] ||= zkhost

  downconfig_options = { downconfig: true, n: options[:name] }
  downconfig_options[:d] = options[:dir] if options[:dir]
  downconfig_options[:z] = options[:zkhost] if options[:zkhost]

  exec 'zk', downconfig_options

  options[:name]
end

#extract ⇒ String

extract a copy of solr to instance_dir Does noting if solr already exists at instance_dir

Returns:

  • (String) —

    instance_dir Directory where solr has been installed



251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
 
# File 'lib/solr_wrapper/instance.rb', line 251

def extract
  return config.instance_dir if extracted?

  zip_path = download

  begin
    Zip::File.open(zip_path) do |zip_file|
      # Handle entries one by one
      zip_file.each do |entry|
        dest_file = File.join(config.tmp_save_dir, entry.name)
        FileUtils.remove_entry(dest_file, true)
        entry.extract(dest_file)
      end
    end

  rescue Exception => e
    abort "Unable to unzip #{zip_path} into #{config.tmp_save_dir}: #{e.message}"
  end

  begin
    FileUtils.remove_dir(config.instance_dir, true)
    FileUtils.cp_r File.join(config.tmp_save_dir, File.basename(config.download_url, ".zip")), config.instance_dir
    self.extracted_version = config.version
    FileUtils.chmod 0755, config.solr_binary
  rescue Exception => e
    abort "Unable to copy #{config.tmp_save_dir} to #{config.instance_dir}: #{e.message}"
  end

  config.instance_dir
ensure
  FileUtils.remove_entry config.tmp_save_dir if File.exists? config.tmp_save_dir
end

#extract_and_configure ⇒ Object 



242
243
244
 
# File 'lib/solr_wrapper/instance.rb', line 242

def extract_and_configure
  extract.tap { configure }
end

#host ⇒ Object 



41
42
43
 
# File 'lib/solr_wrapper/instance.rb', line 41

def host
  config.host
end

#instance_dir ⇒ Object 



53
54
55
 
# File 'lib/solr_wrapper/instance.rb', line 53

def instance_dir
  config.instance_dir
end

#pid ⇒ Object 



113
114
115
116
117
118
119
120
121
122
123
124
 
# File 'lib/solr_wrapper/instance.rb', line 113

def pid
  return unless config.managed?

  @pid ||= begin
    out = exec('status').read
    out.match(/process (?<pid>\d+) running on port #{port}/) do |m|
      m[:pid].to_i
    end
  end
rescue
  nil
end

#port ⇒ Object 



45
46
47
 
# File 'lib/solr_wrapper/instance.rb', line 45

def port
  config.port
end

#remove_instance_dir! ⇒ Object

Clean up any files in the Solr instance dir



232
233
234
 
# File 'lib/solr_wrapper/instance.rb', line 232

def remove_instance_dir!
  FileUtils.remove_entry(instance_dir, true) if File.exists? instance_dir
end

#restart ⇒ Object

Stop Solr and wait for it to finish exiting



96
97
98
99
100
 
# File 'lib/solr_wrapper/instance.rb', line 96

def restart
  if config.managed? && started?
    exec('restart', p: port, c: config.cloud)
  end
end

#start ⇒ Object

Start Solr and wait for it to become available



71
72
73
74
75
76
77
78
79
80
81
82
83
 
# File 'lib/solr_wrapper/instance.rb', line 71

def start
  extract_and_configure
  if config.managed?
    exec('start', p: port, c: config.cloud)

    # Wait for solr to start
    unless status
      sleep config.poll_interval
    end

    after_start
  end
end

#started? ⇒ Boolean

Is Solr running?

Returns:

  • (Boolean) 


128
129
130
 
# File 'lib/solr_wrapper/instance.rb', line 128

def started?
  !!status
end

#status ⇒ Object

Check the status of a managed Solr service



104
105
106
107
108
109
110
111
 
# File 'lib/solr_wrapper/instance.rb', line 104

def status
  return true unless config.managed?

  out = exec('status').read
  out =~ /running on port #{port}/
rescue
  false
end

#stop ⇒ Object

Stop Solr and wait for it to finish exiting



87
88
89
90
91
92
 
# File 'lib/solr_wrapper/instance.rb', line 87

def stop
  if config.managed? && started?
    exec('stop', p: port)
    wait
  end
end

#upconfig(options = {}) ⇒ Object

Update the collection configuration in zookeeper

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :config_name (String)
  • :dir (String) 


164
165
166
167
168
169
170
171
172
173
174
175
 
# File 'lib/solr_wrapper/instance.rb', line 164

def upconfig(options = {})
  options[:name] ||= SecureRandom.hex
  options[:zkhost] ||= zkhost

  upconfig_options = { upconfig: true, n: options[:name] }
  upconfig_options[:d] = options[:dir] if options[:dir]
  upconfig_options[:z] = options[:zkhost] if options[:zkhost]

  exec 'zk', upconfig_options

  options[:name]
end

#url ⇒ Object 



49
50
51
 
# File 'lib/solr_wrapper/instance.rb', line 49

def url
  config.url
end

#version ⇒ Object 



57
58
59
 
# File 'lib/solr_wrapper/instance.rb', line 57

def version
  config.version
end

#wait ⇒ Object 



132
133
134
135
136
 
# File 'lib/solr_wrapper/instance.rb', line 132

def wait
  while (Process.getpgid(pid) rescue status)
    sleep config.poll_interval
  end
end

#with_collection(options = {}) ⇒ Object

Create a new collection, run the block, and then clean up the collection

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :name (String)
  • :dir (String) 


207
208
209
210
211
212
213
214
215
216
217
 
# File 'lib/solr_wrapper/instance.rb', line 207

def with_collection(options = {})
  options = config.collection_options.merge(options)
  return yield if options.empty?

  name = create(options)
  begin
    yield name
  ensure
    delete name unless options[:persist]
  end
end

#wrap(&_block) ⇒ Object 



61
62
63
64
65
66
67
 
# File 'lib/solr_wrapper/instance.rb', line 61

def wrap(&_block)
  extract_and_configure
  start
  yield self
ensure
  stop
end