aboutsummaryrefslogtreecommitdiffstats
path: root/railties/lib/rails/commands/dbconsole/dbconsole_command.rb
blob: 588fb06b158ed1fea2e71372d3ad084f347f68ab (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
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
154
155
require "rails/command/environment_argument"

module Rails
  class DBConsole
    def self.start(*args)
      new(*args).start
    end

    def initialize(options = {})
      @options = options
    end

    def start
      ENV["RAILS_ENV"] = @options[:environment] || environment

      case config["adapter"]
      when /^(jdbc)?mysql/
        args = {
          "host"      => "--host",
          "port"      => "--port",
          "socket"    => "--socket",
          "username"  => "--user",
          "encoding"  => "--default-character-set",
          "sslca"     => "--ssl-ca",
          "sslcert"   => "--ssl-cert",
          "sslcapath" => "--ssl-capath",
          "sslcipher" => "--ssl-cipher",
          "sslkey"    => "--ssl-key"
        }.map { |opt, arg| "#{arg}=#{config[opt]}" if config[opt] }.compact

        if config["password"] && @options["include_password"]
          args << "--password=#{config['password']}"
        elsif config["password"] && !config["password"].to_s.empty?
          args << "-p"
        end

        args << config["database"]

        find_cmd_and_exec(["mysql", "mysql5"], *args)

      when /^postgres|^postgis/
        ENV["PGUSER"]     = config["username"] if config["username"]
        ENV["PGHOST"]     = config["host"] if config["host"]
        ENV["PGPORT"]     = config["port"].to_s if config["port"]
        ENV["PGPASSWORD"] = config["password"].to_s if config["password"] && @options["include_password"]
        find_cmd_and_exec("psql", config["database"])

      when "sqlite3"
        args = []

        args << "-#{@options['mode']}" if @options["mode"]
        args << "-header" if @options["header"]
        args << File.expand_path(config["database"], Rails.respond_to?(:root) ? Rails.root : nil)

        find_cmd_and_exec("sqlite3", *args)

      when "oracle", "oracle_enhanced"
        logon = ""

        if config["username"]
          logon = config["username"]
          logon << "/#{config['password']}" if config["password"] && @options["include_password"]
          logon << "@#{config['database']}" if config["database"]
        end

        find_cmd_and_exec("sqlplus", logon)

      when "sqlserver"
        args = []

        args += ["-D", "#{config['database']}"] if config["database"]
        args += ["-U", "#{config['username']}"] if config["username"]
        args += ["-P", "#{config['password']}"] if config["password"]

        if config["host"]
          host_arg = "#{config['host']}"
          host_arg << ":#{config['port']}" if config["port"]
          args += ["-S", host_arg]
        end

        find_cmd_and_exec("sqsh", *args)

      else
        abort "Unknown command-line client for #{config['database']}."
      end
    end

    def config
      @config ||= begin
        if configurations[environment].blank?
          raise ActiveRecord::AdapterNotSpecified, "'#{environment}' database is not configured. Available configuration: #{configurations.inspect}"
        else
          configurations[environment]
        end
      end
    end

    def environment
      Rails.respond_to?(:env) ? Rails.env : Rails::Command.environment
    end

    private
      def configurations # :doc:
        require APP_PATH
        ActiveRecord::Base.configurations = Rails.application.config.database_configuration
        ActiveRecord::Base.configurations
      end

      def find_cmd_and_exec(commands, *args) # :doc:
        commands = Array(commands)

        dirs_on_path = ENV["PATH"].to_s.split(File::PATH_SEPARATOR)
        unless (ext = RbConfig::CONFIG["EXEEXT"]).empty?
          commands = commands.map { |cmd| "#{cmd}#{ext}" }
        end

        full_path_command = nil
        found = commands.detect do |cmd|
          dirs_on_path.detect do |path|
            full_path_command = File.join(path, cmd)
            File.file?(full_path_command) && File.executable?(full_path_command)
          end
        end

        if found
          exec full_path_command, *args
        else
          abort("Couldn't find database client: #{commands.join(', ')}. Check your $PATH and try again.")
        end
      end
  end

  module Command
    class DbconsoleCommand < Base # :nodoc:
      include EnvironmentArgument

      class_option :include_password, aliases: "-p", type: :boolean,
        desc: "Automatically provide the password from database.yml"

      class_option :mode, enum: %w( html list line column ), type: :string,
        desc: "Automatically put the sqlite3 database in the specified mode (html, list, line, column)."

      class_option :header, type: :string

      class_option :environment, aliases: "-e", type: :string,
        desc: "Specifies the environment to run this console under (test/development/production)."

      def perform
        extract_environment_option_from_argument

        Rails::DBConsole.start(options)
      end
    end
  end
end