Class: Textus::AuditLog

Inherits:
Object
  • Object
show all
Defined in:
lib/textus/audit_log.rb

Instance Method Summary collapse

Constructor Details

#initialize(root) ⇒ AuditLog

Returns a new instance of AuditLog.



6
7
8
 
# File 'lib/textus/audit_log.rb', line 6

def initialize(root)
  @path = File.join(root, "audit.log")
end

Instance Method Details

#append(role:, verb:, key:, etag_before:, etag_after:, extras: nil) ⇒ Object 



25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
 
# File 'lib/textus/audit_log.rb', line 25

def append(role:, verb:, key:, etag_before:, etag_after:, extras: nil)
  row = {
    "ts" => Time.now.utc.iso8601,
    "role" => role,
    "verb" => verb,
    "key" => key,
    "etag_before" => etag_before,
    "etag_after" => etag_after,
  }

  if extras.is_a?(Hash) && !extras.empty?
    extras = extras.dup
    %w[from_key to_key uid].each do |k|
      row[k] = extras.delete(k) if extras.key?(k)
    end
    row["extras"] = extras unless extras.empty?
  end

  File.open(@path, File::WRONLY | File::APPEND | File::CREAT, 0o644) do |f|
    f.flock(File::LOCK_EX)
    f.write(JSON.generate(row) + "\n")
  end
end

#last_writer_for(key) ⇒ Object 



10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
# File 'lib/textus/audit_log.rb', line 10

def last_writer_for(key)
  return nil unless File.exist?(@path)

  last_role = nil
  File.foreach(@path) do |line|
    parsed = parse_row(line.chomp)
    next unless parsed
    next unless parsed["key"] == key
    next unless %w[put delete].include?(parsed["verb"])

    last_role = parsed["role"]
  end
  last_role
end