Class: Collins::CLI::Modify

Inherits:
Object
  • Object
show all
Includes:
Mixins
Defined in:
lib/collins/cli/modify.rb

Constant Summary collapse

VALID_STATUSES = 
["ALLOCATED","CANCELLED","DECOMMISSIONED","INCOMPLETE","MAINTENANCE","NEW","PROVISIONED","PROVISIONING","UNALLOCATED"]
LOG_LEVELS =

TODO: this shouldnt be hardcoded. we should pull this from the API instead? should elegantly support user-defined states without changing this script

Collins::Api::Logging::Severity.constants.map(&:to_s)
OPTIONS_DEFAULTS = 
{
  :query_size => 9999,
  :attributes => {},
  :delete_attributes => [],
  :log_level  => 'NOTE',
  :timeout    => 120,
  :config     => nil
}
PROG_NAME = 
'collins modify'

Constants included from Mixins

Collins::CLI::Mixins::COLORS, Collins::CLI::Mixins::ERROR, Collins::CLI::Mixins::SUCCESS

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Mixins

#api_call, #as_query?, #collins, #convert_to_query

Constructor Details

#initialize ⇒ Modify

Returns a new instance of Modify.



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# File 'lib/collins/cli/modify.rb', line 24

def initialize
  @options = OPTIONS_DEFAULTS.clone
  @validated = false
  @parsed = false
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/collins/cli/modify.rb', line 22

def options
  @options
end

Instance Method Details

#parse!(argv = ARGV) ⇒ Object 



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# File 'lib/collins/cli/modify.rb', line 30

def parse!(argv = ARGV)
  OptionParser.new do |opts|
    opts.banner = "Usage: #{PROG_NAME} [options]"
    opts.on('-a','--set-attribute attribute:value',String,"Set attribute=value. : between key and value. attribute will be uppercased.") do |x|
      if not x.include? ':'
        puts '--set-attribute requires attribute:value, missing :value'
        puts opts.help
        exit 1
      end
      a,v = x.split(':', 2) # attribute:value where value might contain :s
      @options[:attributes][a.upcase.to_sym] = v
    end
    opts.on('-d','--delete-attribute attribute',String,"Delete attribute.") {|v| @options[:delete_attributes] << v.to_sym }
    opts.on('-S','--set-status status[:state]',String,'Set status (and optionally state) to status:state. Requires --reason') do |v|
      status,state = v.split(':')
      @options[:status] = status.upcase if not status.nil? and not status.empty?
      @options[:state] = state.upcase if not state.nil? and not state.empty?
    end
    opts.on('-r','--reason REASON',String,"Reason for changing status/state.") {|v| @options[:reason] = v }
    opts.on('-l','--log MESSAGE',String,"Create a log entry.") do |v|
      @options[:log_message] = v
    end
    opts.on('-L','--level LEVEL',String, LOG_LEVELS + LOG_LEVELS.map(&:downcase),"Set log level. Default level is #{@options[:log_level]}.") do |v|
      @options[:log_level] = v.upcase
    end
    opts.on('-t','--tags TAGS',Array,"Tags to work on, comma separated") {|v| @options[:tags] = v.map(&:to_sym)}
    opts.on('-C','--config CONFIG',String,'Use specific Collins config yaml for Collins::Client') {|v| @options[:config] = v}
    opts.on('-h','--help',"Help") {puts opts ; exit 0}
    opts.separator ""
    opts.separator "Allowed values (uppercase or lowercase is accepted):"
    opts.separator "  Status:State (-S,--set-status):\nSee \\`collins state --list\\`\n  Log levels (-L,--level):\n\#{LOG_LEVELS.join(', ')}\n"
    opts.separator ""
    opts.separator "Examples:"
    opts.separator "  Set an attribute on some hosts:\n\#{PROG_NAME} -t 001234,004567 -a my_attribute:true\n  Delete an attribute on some hosts:\n\#{PROG_NAME} -t 001234,004567 -d my_attribute\n  Delete and add attribute at same time:\n\#{PROG_NAME} -t 001234,004567 -a new_attr:test -d old_attr\n  Set machine into maintenace noop:\n\#{PROG_NAME} -t 001234 -S maintenance:maint_noop -r \"I do what I want\"\n  Set machine back to allocated:\n\#{PROG_NAME} -t 001234 -S allocated:running -r \"Back to allocated\"\n  Set machine back to new without setting state:\n\#{PROG_NAME} -t 001234 -S new -r \"Dunno why you would want this\"\n  Create a log entry:\n\#{PROG_NAME} -t 001234 -l'computers are broken and everything is horrible' -Lwarning\n  Read from stdin:\ncollins find -n develnode | \#{PROG_NAME} -d my_attribute\ncollins find -n develnode -S allocated | \#{PROG_NAME} -a collectd_version:5.2.1-52\necho -e \"001234\\\\n001235\\\\n001236\"| \#{PROG_NAME} -a test_attribute:'hello world'\n"
  end.parse!(argv)
  if options[:tags].nil? or options[:tags].empty?
    # read tags from stdin. first field on the line is the tag
    input = ARGF.readlines
    @options[:tags] = input.map{|l| l.split(/\s+/)[0] rescue nil}.compact.uniq
  end
  @parsed = true
  self
end

#run! ⇒ Object 



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# File 'lib/collins/cli/modify.rb', line 113

def run!
  exit_clean = true
  options[:tags].each do |t|
    if options[:log_message]
      exit_clean = api_call("logging #{options[:log_level].downcase} #{options[:log_message].inspect}", :log!, t, options[:log_message], options[:log_level]) && exit_clean
    end
    options[:attributes].each do |k,v|
      exit_clean = api_call("setting #{k}=#{v}", :set_attribute!, t, k, v) && exit_clean
    end
    options[:delete_attributes].each do |k|
      exit_clean = api_call("deleting #{k}", :delete_attribute!, t, k) && exit_clean
    end
    if options[:status]
      exit_clean = api_call("changing status to #{options[:status]}#{options[:state] ? ":#{options[:state]}" : ''}", :set_status!, t, :status => options[:status], :state => options[:state], :reason => options[:reason]) && exit_clean
    end
  end
  exit_clean
end

#validate! ⇒ Object 



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# File 'lib/collins/cli/modify.rb', line 98

def validate!
  raise "See --help for #{PROG_NAME} usage" if options[:attributes].empty? and options[:delete_attributes].empty? and options[:status].nil? and options[:log_message].nil?
  raise "You need to provide a --reason when changing asset states!" if not options[:status].nil? and options[:reason].nil?
  #TODO this is never checked because we are making option parser vet our options for levels. Catch OptionParser::InvalidArgument?
  raise "Log level #{options[:log_level]} is invalid! Use one of #{LOG_LEVELS.join(', ')}" unless Collins::Api::Logging::Severity.valid?(options[:log_level])

  unless options[:status].nil?
    raise "Invalid status #{options[:status]} (Should be in #{VALID_STATUSES.join(', ')})" unless VALID_STATUSES.include? options[:status]
  end


  @validated = true
  self
end