Class: Chef::Provider::Cron::Solaris

Inherits:
Chef::Provider::Cron show all
Includes:
Mixin::Command
Defined in:
lib/chef/provider/cron/solaris.rb

Constant Summary collapse

CRON_PATTERN = 
/([-0-9*,\/]+)\s([-0-9*,\/]+)\s([-0-9*,\/]+)\s([-0-9*,\/]+)\s([-0-9*,\/]+)\s(.*)/

Instance Attribute Summary collapse

Attributes inherited from Chef::Provider

#current_resource, #new_resource, #run_context

Instance Method Summary collapse

Methods included from Mixin::Command

#chdir_or_tmpdir, #handle_command_failures, #output_of_command, #run_command, #run_command_with_systems_locale

Methods included from Mixin::Command::Windows

#popen4

Methods included from Mixin::Command::Unix

#popen4

Methods inherited from Chef::Provider

#action_nothing, build_from_file, #cookbook_name, #node, #resource_collection

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #snake_case_basename

Methods included from Mixin::RecipeDefinitionDSLCore

#method_missing

Methods included from Mixin::Language

#data_bag, #data_bag_item, #platform?, #search, #value_for_platform

Constructor Details

#initialize(new_resource, run_context) ⇒ Solaris

Returns a new instance of Solaris.



33
34
35
36
37
 
# File 'lib/chef/provider/cron/solaris.rb', line 33

def initialize(new_resource, run_context)
  super(new_resource, run_context)
  @cron_exists = false
  @cron_empty = false
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Chef::Mixin::RecipeDefinitionDSLCore

Instance Attribute Details

#cron_empty ⇒ Object

Returns the value of attribute cron_empty.



38
39
40
 
# File 'lib/chef/provider/cron/solaris.rb', line 38

def cron_empty
  @cron_empty
end

#cron_exists ⇒ Object

Returns the value of attribute cron_exists.



38
39
40
 
# File 'lib/chef/provider/cron/solaris.rb', line 38

def cron_exists
  @cron_exists
end

Instance Method Details

#action_create ⇒ Object 



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
 
# File 'lib/chef/provider/cron/solaris.rb', line 115

def action_create
  crontab = String.new
  newcron = String.new
  cron_found = false

  newcron << "# Chef Name: #{new_resource.name}\n"
  [ :mailto, :path, :shell, :home ].each do |v|
    newcron << "#{v.to_s.upcase}=#{@new_resource.send(v)}\n" if @new_resource.send(v)
  end
  newcron << "#{@new_resource.minute} #{@new_resource.hour} #{@new_resource.day} #{@new_resource.month} #{@new_resource.weekday} #{@new_resource.command}\n"

  if @cron_exists
    unless compare_cron
      Chef::Log.debug("#{@new_resource} skipping existing cron entry '#{@new_resource.name}'")
      return
    end
    status = popen4("crontab -l #{@new_resource.user}") do |pid, stdin, stdout, stderr|
      stdout.each_line do |line|
        case line.chomp
        when "# Chef Name: #{@new_resource.name}"
          cron_found = true
          next
        when CRON_PATTERN
          if cron_found
            cron_found = false
            crontab << newcron
            next
          end
        else
          next if cron_found
        end
        crontab << line
      end
    end

    status = write_crontab(crontab)
    Chef::Log.info("#{@new_resource} updated crontab entry")
  else
    unless @cron_empty
      status = popen4("crontab -l #{@new_resource.user}") do |pid, stdin, stdout, stderr|
        stdout.each { |line| crontab << line }
      end
    end

    crontab << newcron
    status = write_crontab(crontab)
    Chef::Log.info("#{@new_resource} added crontab entry")
  end
end

#action_delete ⇒ Object 



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
 
# File 'lib/chef/provider/cron/solaris.rb', line 165

def action_delete
  if @cron_exists
    crontab = String.new
    cron_found = false
    status = popen4("crontab -l #{@new_resource.user}") do |pid, stdin, stdout, stderr|
      stdout.each_line do |line|
        case line.chomp
        when "# Chef Name: #{@new_resource.name}"
          cron_found = true
          next
        when CRON_PATTERN
          if cron_found
            cron_found = false
            next
          end
        else
          next if cron_found
        end
        crontab << line
      end
    end

    status = write_crontab(crontab)
    Chef::Log.info("#{@new_resource} deleted crontab entry")
  end
end

#compare_cron ⇒ Object 



94
95
96
97
98
 
# File 'lib/chef/provider/cron/solaris.rb', line 94

def compare_cron
  [ :minute, :hour, :day, :month, :weekday, :command, :mailto, :path, :shell, :home ].any? do |cron_var|
    !@new_resource.send(cron_var).nil? && @new_resource.send(cron_var) != @current_resource.send(cron_var)
  end
end

#load_current_resource ⇒ Object 



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
 
# File 'lib/chef/provider/cron/solaris.rb', line 40

def load_current_resource
  crontab_lines = []
  @current_resource = Chef::Resource::Cron.new(@new_resource.name)
  @current_resource.user(@new_resource.user)
  status = popen4("crontab -l #{@new_resource.user}") do |pid, stdin, stdout, stderr|
    stdout.each_line { |line| crontab_lines << line }
  end
  if status.exitstatus > 1
    raise Chef::Exceptions::Cron, "Error determining state of #{@new_resource.name}, exit: #{status.exitstatus}"
  elsif status.exitstatus == 0
    cron_found = false
    crontab_lines.each do |line|
      case line.chomp
      when "# Chef Name: #{@new_resource.name}"
        Chef::Log.debug("#{@new_resource} found cron '#{@new_resource.name}'")
        cron_found = true
        @cron_exists = true
        next
      when /^MAILTO=(\S*)/
        @current_resource.mailto($1) if cron_found
        next
      when /^PATH=(\S*)/
        @current_resource.path($1) if cron_found
        next
      when /^SHELL=(\S*)/
        @current_resource.shell($1) if cron_found
        next
      when /^HOME=(\S*)/
        @current_resource.home($1) if cron_found
        next
      when CRON_PATTERN
        if cron_found
          @current_resource.minute($1)
          @current_resource.hour($2)
          @current_resource.day($3)
          @current_resource.month($4)
          @current_resource.weekday($5)
          @current_resource.command($6)
          cron_found=false
        end
        next
      else
        next
      end
    end
    Chef::Log.debug("#{@new_resource} cron '#{@new_resource.name}' not found") unless @cron_exists
  elsif status.exitstatus == 1
    Chef::Log.debug("#{@new_resource} cron empty for '#{@new_resource.user}'")
    @cron_empty = true
  end

  @current_resource
end

#write_crontab(crontab) ⇒ Object 



100
101
102
103
104
105
106
107
108
109
110
111
112
113
 
# File 'lib/chef/provider/cron/solaris.rb', line 100

def write_crontab(crontab)
  tempcron = Tempfile.new("chef-cron")
  tempcron << crontab
  tempcron.flush
  tempcron.chmod(0644)
  status = run_command(:command => "/usr/bin/crontab #{tempcron.path}",:user => @new_resource.user)
  if(status == 0)
    @new_resource.updated_by_last_action(true)
  else
    @new_resource.updated_by_last_action(false)
  end
  tempcron.close!
  return status
end