Class: VMC::KNIFE::Application

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

Overview

Read/Write the JSON for an application. Does not map the actual JSON into a new ruby object.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(root, data, role_name) ⇒ Application

Returns a new instance of Application.



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# File 'lib/vmc_knife/vmc_knife.rb', line 146

def initialize(root, data, role_name)
  @root = root
  @wrapped = data
  @role_name = role_name
end

Instance Attribute Details

#role_name ⇒ Object

Returns the value of attribute role_name.



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# File 'lib/vmc_knife/vmc_knife.rb', line 145

def role_name
  @role_name
end

#root ⇒ Object

Returns the value of attribute root.



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# File 'lib/vmc_knife/vmc_knife.rb', line 145

def root
  @root
end

#wrapped ⇒ Object

Returns the value of attribute wrapped.



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# File 'lib/vmc_knife/vmc_knife.rb', line 145

def wrapped
  @wrapped
end

Instance Method Details

#env ⇒ Object 



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# File 'lib/vmc_knife/vmc_knife.rb', line 161

def env()
  ApplicationEnvironment.new @wrapped['env'], self
end

#log(folder, log_file_glob = nil) ⇒ Object

look for the log folder of the deployed app. making the assumption we are on the same file system. will use the paas APIs later.



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# File 'lib/vmc_knife/vmc_knife.rb', line 176

def log(folder,log_file_glob=nil)
  deployed_apps_folder="/home/ubuntu/cloudfoundry/deployed_apps"
  log_file_glob ||= "logs/*"
  if File.exist?(deployed_apps_folder)
    folder_nb=0
    Dir.glob(File.join(deployed_apps_folder, "#{name()}-*")).each do |dir|
      fname="#{File.basename(dir)}"
      app_log_folder=File.join(folder,fname)
      FileUtils.mkdir_p(app_log_folder)
      if File.exist? "#{dir}/logs"
        FileUtils.cp(Dir.glob(File.join("#{dir}", "logs/*")), app_log_folder)
      end
    end
  end
end

#log_shell(shell_cmd = nil, log_file_glob = nil) ⇒ Object

look for the most recent folder where we can find the stdout file. fork to the shell with the ‘less’ command to display the contents of the file.



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# File 'lib/vmc_knife/vmc_knife.rb', line 194

def log_shell(shell_cmd=nil,log_file_glob=nil)
  deployed_apps_folder="/home/ubuntu/cloudfoundry/deployed_apps"
  shell_cmd ||= "less"
  log_file_glob ||= File.join("logs","stdout.log")
  if File.exist?(deployed_apps_folder)
    ts_most_recent=0
    most_recent_file=nil
    app_deployed=false
    Dir.glob(File.join(deployed_apps_folder, "#{name()}-*")).each do |dir|
      app_deployed=true
      Dir.glob(File.join("#{dir}", log_file_glob)).each do |logfile|
        ts=File.mtime(logfile).to_i
        if ts > ts_most_recent
          most_recent_file=logfile
          ts_most_recent = ts
        end
      end
    end
    if most_recent_file
      cmd = "#{shell_cmd} #{most_recent_file}"
      puts "#{cmd}" if VMC::Cli::Config.trace
      exec cmd
    elsif app_deployed
      raise "Could not find a log file #{log_file_glob} in the deployed app folder."
    else
      raise "Could not find a deployed application named #{name}"
    end
  else
    raise "Could not find the deployed application folder #{deployed_apps_folder}"
  end
end

#memory ⇒ Object 



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# File 'lib/vmc_knife/vmc_knife.rb', line 158

def memory()
  @wrapped['resources']['memory']
end

#name ⇒ Object

Returns the application name (different from the application role name.)



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# File 'lib/vmc_knife/vmc_knife.rb', line 152

def name()
  @wrapped['name']
end

#to_vcap_manifest ⇒ Object

Returns a vcap manifest that can be used to push/update an application to vcap’s cloud_controller.



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# File 'lib/vmc_knife/vmc_knife.rb', line 167

def to_vcap_manifest()
  # This is pretty much identical to the json wrapped here except for the environment variables.
  # if there are differences we will take care of them here.
  @wrapped
end

#uris ⇒ Object 



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# File 'lib/vmc_knife/vmc_knife.rb', line 155

def uris()
  @wrapped['uris']
end