Class: Fluentd::Setting::InSql

Inherits:
Object
  • Object
show all
Includes:
ActiveModel::Model, Common
Defined in:
lib/fluent/plugin/in_sql.rb

Constant Summary collapse

KEYS = 
[
    :host,
    :port,
    :database,
    :adapter,
    :username,
    :password,
    :tag_prefix,
    :select_interval,
    :select_limit,
    :state_file,
    :table,
    :all_tables
].freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#fields_descriptions ⇒ Object

Returns the value of attribute fields_descriptions.



23
24
25
 
# File 'lib/fluent/plugin/in_sql.rb', line 23

def fields_descriptions
  @fields_descriptions
end

Class Method Details

.create_from_config(config) ⇒ Object 



155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
 
# File 'lib/fluent/plugin/in_sql.rb', line 155

def self.create_from_config config
  @setting = {}
  @tables = []
  table = {}
  to_table = false
  str_params = config.split("\r\n").map{|str| str.squish}
  str_params.each do |str|
    case str
      when '<source>', '</source>'
        next
      when '<table>'
        to_table = true
      when '</table>'
        to_table = false
        @tables << table
        table = {}
      when 'all_tables'
        @setting[:all_tables] = true
      else
        param = str.split(' ')
        if to_table
          table[param.first] = param.second
        else
          @setting[param.first] = param.second unless param.first == 'type'
        end
    end
    if @tables.present?
      @setting[:table] = @tables
    end
  end
  self.new @setting
end

.initial_params ⇒ Object 



32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
 
# File 'lib/fluent/plugin/in_sql.rb', line 32

def self.initial_params
  {
      host: 'localhost',
      database: 'rdb_database',
      adapter: 'mysql2',
      username: 'myusername',
      password: 'mypassword',
      tag_prefix: 'my.rdb',
      select_interval: '60s',
      select_limit: '500',
      state_file: "/tmp/data_enchilada-sql-#{Fluentd.instance.id}-#{Time.now.to_i}.pos",
      table: [
          {
              table: 'rdb_table',
              tag: 'rdb_table_tag',
              update_column: 'updated_at',
              time_column: 'updated_at',
              primary_key: ''
          }
      ]
  }
end

Instance Method Details

#advanced_options ⇒ Object 



90
91
92
93
94
95
96
 
# File 'lib/fluent/plugin/in_sql.rb', line 90

def advanced_options
  [
      :select_interval,
      :select_limit,
      :state_file
  ]
end

#common_options ⇒ Object 



78
79
80
81
82
83
84
85
86
87
88
 
# File 'lib/fluent/plugin/in_sql.rb', line 78

def common_options
  [
      :host,
      :port,
      :database,
      :adapter,
      :username,
      :password,
      :tag_prefix
  ]
end

#plugin_name ⇒ Object 



188
189
190
 
# File 'lib/fluent/plugin/in_sql.rb', line 188

def plugin_name
  "sql"
end

#table ⇒ Object 



104
105
106
 
# File 'lib/fluent/plugin/in_sql.rb', line 104

def table
  @tables
end

#table=(value) ⇒ Object 



98
99
100
101
102
 
# File 'lib/fluent/plugin/in_sql.rb', line 98

def table=(value)
  @tables = value.map do |t|
    t.map{|field, value| ([field.to_sym, value] if table_fields.include?(field.to_sym))}.to_h
  end
end

#table_fields ⇒ Object 



108
109
110
111
112
113
114
115
116
 
# File 'lib/fluent/plugin/in_sql.rb', line 108

def table_fields
  [
      :table,
      :tag,
      :update_column,
      :time_column,
      :primary_key
  ]
end

#to_config ⇒ Object 



118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
 
# File 'lib/fluent/plugin/in_sql.rb', line 118

def to_config
  indent = "  "
  config = "<source>\n"
  config << "#{indent}type #{plugin_type_name}\n"
  self.class.const_get(:KEYS).each do |key|
    next if key == :table
    next if key == :all_tables
    config << indent
    config << conf(key)
    config << "\n"
  end
  tables = send(:table).reject{|t| t.values.join('') == ''} rescue []
  if tables.present? && all_tables != '1'
    tables.each do |tab|
      config << "\n"
      config << indent
      config << "<table>\n"
      tab.each do |key, value|
        config << indent
        config << indent
        config << "#{key} #{value}"
        config << "\n"
      end
      config << indent
      config << "</table>\n"
    end
  else
    config << indent
    config << 'all_tables'
    config << "\n"
  end


  config << "</source>\n"
  config.gsub(/^[ ]*\n/m, "")
end