Class: Paramsync::Diff

Inherits:
Object
  • Object
show all
Defined in:
lib/paramsync/diff.rb

Instance Method Summary collapse

Constructor Details

#initialize(target:, local:, remote:, mode:) ⇒ Diff

Returns a new instance of Diff.



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
 
# File 'lib/paramsync/diff.rb', line 5

def initialize(target:, local:, remote:, mode:)
  @target = target
  @local = local
  @remote = remote
  @mode = mode

  @all_keys = (@local.keys + @remote.keys).sort.uniq

  @diff =
    @all_keys.collect do |key|
      excluded = false
      op = :noop
      if @remote.has_key?(key) and not @local.has_key?(key)
        case @mode
        when :push
          op = @target.delete? ? :delete : :ignore
        when :pull
          op = :create
        end
      elsif @local.has_key?(key) and not @remote.has_key?(key)
        case @mode
        when :push
          op = :create
        when :pull
          op = @target.delete? ? :delete : :ignore
        end
      else
        if @remote[key] == @local[key]
          op = :noop
        else
          op = :update
        end
      end

      ssm_key = [@target.prefix, key].compact.join("/").gsub('/.', '/').squeeze("/")

      if @target.exclude.include?(key) or @target.exclude.include?(ssm_key)
        op = :ignore
        excluded = true
      end

      filename =
        case @target.type
        when :dir then File.join(@target.base_path, key)
        when :file then @target.base_path
        end

      display_filename =
        case @target.type
        when :dir then File.join(@target.base_path, key).trim_path
        when :file then "#{@target.base_path.trim_path}#{':'.gray}#{key.cyan}"
        end

      OpenStruct.new(
        op: op,
        excluded: excluded,
        relative_path: key,
        filename: filename,
        display_filename: display_filename,
        ssm_key: ssm_key,
        local_content: @local[key],
        remote_content: @remote[key],
      )
    end
end

Instance Method Details

#any_changes? ⇒ Boolean

Returns:

  • (Boolean) 


106
107
108
 
# File 'lib/paramsync/diff.rb', line 106

def any_changes?
  self.items_to_change.count > 0
end

#final_items ⇒ Object 



99
100
101
102
103
104
 
# File 'lib/paramsync/diff.rb', line 99

def final_items
  case @mode
  when :push then @local
  when :pull then @remote
  end
end

#items_to_change ⇒ Object 



95
96
97
 
# File 'lib/paramsync/diff.rb', line 95

def items_to_change
  @diff.select { |d| [:delete, :update, :create].include?(d.op) }
end

#items_to_create ⇒ Object 



79
80
81
 
# File 'lib/paramsync/diff.rb', line 79

def items_to_create
  @diff.select { |d| d.op == :create }
end

#items_to_delete ⇒ Object 



71
72
73
 
# File 'lib/paramsync/diff.rb', line 71

def items_to_delete
  @diff.select { |d| d.op == :delete }
end

#items_to_exclude ⇒ Object 



87
88
89
 
# File 'lib/paramsync/diff.rb', line 87

def items_to_exclude
  @diff.select { |d| d.op == :ignore and d.excluded == true }
end

#items_to_ignore ⇒ Object 



83
84
85
 
# File 'lib/paramsync/diff.rb', line 83

def items_to_ignore
  @diff.select { |d| d.op == :ignore }
end

#items_to_noop ⇒ Object 



91
92
93
 
# File 'lib/paramsync/diff.rb', line 91

def items_to_noop
  @diff.select { |d| d.op == :noop }
end

#items_to_update ⇒ Object 



75
76
77
 
# File 'lib/paramsync/diff.rb', line 75

def items_to_update
  @diff.select { |d| d.op == :update }
end

#print_report ⇒ Object 



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
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
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
 
# File 'lib/paramsync/diff.rb', line 110

def print_report
  puts '='*85
  puts @target.description(@mode)

  puts "  Keys scanned: #{@diff.count}"
  if Paramsync.config.verbose?
    puts "  Keys ignored: #{self.items_to_ignore.count}"
    puts "  Keys in sync: #{self.items_to_noop.count}"
  end

  puts if self.any_changes?

  from_content_key, to_content_key, to_path_key, to_type_display_name =
    case @mode
    when :push then [:local_content, :remote_content, :ssm_key, "Keys"]
    when :pull
      case @target.type
      when :dir then [:remote_content, :local_content, :display_filename, "Files"]
      when :file then [:remote_content, :local_content, :display_filename, "File entries"]
      end
    end

  @diff.each do |item|
    case item.op
    when :create
      puts "CREATE".bold.green + " #{item[to_path_key]}"
      if(item[from_content_key][1])
        puts '[SECURE]'
      end
      puts '-'*85
      # simulate diff but without complaints about line endings
      item[from_content_key][0].each_line do |line|
        puts "+#{line.chomp}".green
      end
      puts '-'*85

    when :update
      puts "UPDATE".bold + " #{item[to_path_key]}"
      if item[to_content_key][1] != item[from_content_key][1]
        puts "#{item[to_content_key][1] ? '[SECURE]' : 'insecure'} => #{item[from_content_key][1] ? '[SECURE]' : 'insecure'}"
      end
      puts '-'*85
      if item[to_content_key][0] != item[from_content_key][0]
        puts Diffy::Diff.new(item[to_content_key][0], item[from_content_key][0]).to_s(:color)
      end
      puts '-'*85

    when :delete
      if @target.delete?
        puts "DELETE".bold.red + " #{item[to_path_key]}"
        puts '-'*85
        # simulate diff but without complaints about line endings
        item[to_content_key][0].each_line do |line|
          puts "-#{line.chomp}".red
        end
        puts '-'*85
      else
        if Paramsync.config.verbose?
          puts "IGNORE".bold + " #{item[to_path_key]}"
        end
      end

    when :ignore
      if Paramsync.config.verbose?
        puts "IGNORE".bold + " #{item[to_path_key]}"
      end

    when :noop
      if Paramsync.config.verbose?
        puts "NO-OP!".bold + " #{item[to_path_key]}"
      end

    else
      if Paramsync.config.verbose?
        STDERR.puts "WARNING: unexpected operation '#{item.op}' for #{item[to_path_key]}"
      end

    end
  end

  if self.items_to_create.count > 0
    puts
    puts "#{to_type_display_name} to create: #{self.items_to_create.count}".bold
    self.items_to_create.each do |item|
      puts "+ #{item[to_path_key]}".green
    end
  end

  if self.items_to_update.count > 0
    puts
    puts "#{to_type_display_name} to update: #{self.items_to_update.count}".bold
    self.items_to_update.each do |item|
      puts "~ #{item[to_path_key]}".blue
    end
  end

  if @target.delete?
    if self.items_to_delete.count > 0
      puts
      puts "#{to_type_display_name} to delete: #{self.items_to_delete.count}".bold
      self.items_to_delete.each do |item|
        puts "- #{item[to_path_key]}".red
      end
    end
  end
end