Class: Dashboard

Inherits:
Object
  • Object
show all
Defined in:
lib/rscalr/model/dashboard.rb

Instance Method Summary collapse

Constructor Details

#initialize(config = nil) ⇒ Dashboard

Returns a new instance of Dashboard.



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# File 'lib/rscalr/model/dashboard.rb', line 3

def initialize(config=nil)
  if config.is_a?(Scalr)
    @client = config
  elsif config.nil? || config.is_a?(Hash) 
    @client = Scalr.new(config)
  else
    raise 'Dashboard may only be initialized with a config Hash, Scalr object, or nil (load config from environment)'
  end
  
  @env_id = @client.env_id
end

Instance Method Details

#get_environment(name) ⇒ Object 



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# File 'lib/rscalr/model/dashboard.rb', line 86

def get_environment(name)
  if @environments.nil?
    load_environments
  end
  @environments[name]
end

#get_farm(name) ⇒ Object 



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# File 'lib/rscalr/model/dashboard.rb', line 15

def get_farm(name)
  if @farms.nil?
    load_farms
  end
  @farms[name]
end

#get_farm_by_id(farm_id) ⇒ Object 



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# File 'lib/rscalr/model/dashboard.rb', line 22

def get_farm_by_id(farm_id)
  if @farms.nil?
    load_farms
  end
  @farms.each { |name,farm|
    return farm if farm.id == farm_id
  }
  
  nil
end

#get_role(name) ⇒ Object 



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# File 'lib/rscalr/model/dashboard.rb', line 113

def get_role(name)
  if @roles.nil?
    load_roles
  end
  @roles[name]
end

#get_script(name) ⇒ Object 



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# File 'lib/rscalr/model/dashboard.rb', line 55

def get_script(name)
  if @scripts.nil?
    load_scripts
  end
  @scripts[name]
end

#load_environments ⇒ Object 



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# File 'lib/rscalr/model/dashboard.rb', line 93

def load_environments
  @environments = {}
  
  scalr_response = @client.environments_list
  scalr_response.root.each_element('EnvironmentSet/Item') { |row| 
    environment = Environment.new
    
    row.each_element { |prop| 
      if "ID" == prop.name
        environment.id = prop.text
      elsif "Name" == prop.name
        environment.name = prop.text
      end
    }
    @environments[environment.name] = environment
  }
  
  @environments
end

#load_farms ⇒ Object 



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# File 'lib/rscalr/model/dashboard.rb', line 33

def load_farms
  @farms = {}
  
  scalr_response = @client.farms_list
  scalr_response.root.each_element('FarmSet/Item') { |row| 
    farm = Farm.new @client
    
    row.each_element { |prop| 
      if "ID" == prop.name
        farm.id = prop.text
      elsif "Name" == prop.name
        farm.name = prop.text
      elsif "Status" == prop.name
        farm.status = prop.text
      end
    }
    @farms[farm.name] = farm
  }
  
  @farms
end

#load_roles ⇒ Object 



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# File 'lib/rscalr/model/dashboard.rb', line 120

def load_roles
  @roles = {}
  
  scalr_response = @client.roles_list
  scalr_response.root.each_element('RoleSet/Item') { |row| 
    role = Role.new
    
    row.each_element { |prop| 
      if "ID" == prop.name
        role.id = prop.text
      elsif "Name" == prop.name
        role.name = prop.text
      end
    }
    @roles[role.name] = role
  }
  
  @roles
end

#load_scripts ⇒ Object 



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# File 'lib/rscalr/model/dashboard.rb', line 62

def load_scripts
  @scripts = {}
  
  scalr_response = @client.scripts_list
  scalr_response.root.each_element('ScriptSet/Item') { |row| 
    script = Script.new @client
    
    row.each_element { |prop| 
      if "ID" == prop.name
        script.id = prop.text
      elsif "Name" == prop.name
        script.name = prop.text
      elsif "Description" == prop.name
        script.description = prop.text
      elsif "LatestRevision" == prop.name
        script.latest_revision = prop.text.to_i
      end
    }
    @scripts[script.name] = script
  }
  
  @scripts
end

#verbose=(setting) ⇒ Object 



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# File 'lib/rscalr/model/dashboard.rb', line 193

def verbose= setting
  @client.verbose = setting
end

#verify_script_success(script_execution, exit_value = 0, timeout_sec = 60) ⇒ Object

Blocks up to timeout seconds waiting on log response(s) of script execution. Returns true iff script executed successfully (returned) exit_value on all servers.



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# File 'lib/rscalr/model/dashboard.rb', line 142

def verify_script_success(script_execution, exit_value=0, timeout_sec=60)
  return false unless script_execution.success?
  
  sleep_time = 5
  
  start_time = Time.now.to_i
  
  # 1. get list of servers that this execution should run on
  farm = get_farm_by_id(script_execution.farm_id)
  if !script_execution.server_id.nil? 
    server = farm.get_server(script_execution.server_id)
    script_execution.add_server(server.server_id)
  elsif !script_execution.farm_role_id.nil?
    role_servers = farm.get_servers_for_role_id(script_execution.farm_role_id) 
    role_servers.each { |server|
      script_execution.add_server(server.server_id)
    }
  else
    farm_servers = farm.get_all_servers
    farm_servers.each { |server|
      script_execution.add_server(server.server_id)
    }
  end
      
  # 2. Call logs list and match results to server IDs
  success = false
  finished = false
  begin
    start = 0
    begin
      loglist = farm.load_script_logs(script_execution.server_id, script_execution.event_id, start, 20)
      total_records = loglist.total_records
  
      loglist.each { |log|
        script_execution.set_server_result(log)
        start += 1
      }
    end while start < total_records
  
    # 3. If not all servers have responses logged, repeat Step 2 until done or timeout_sec seconds have expired
    success = true
    finished = true
    script_execution.server_results.each { |server_id, result|
      success &&= (!result.nil? && result.exec_exit_code == exit_value)
      finished &&= !result.nil?
    }
  end while !finished && (Time.now.to_i - start_time) < (timeout_sec + sleep_time) && sleep(sleep_time)
  
  success
end