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class HostsController < ApplicationController
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before_filter :require_login, :except => [ :query, :externalNodes, :lookup ]
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before_filter :require_ssl, :except => [ :query, :externalNodes, :lookup ]
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before_filter :find_hosts, :only => :query
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before_filter :ajax_methods, :only => [:environment_selected, :architecture_selected, :os_selected]
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before_filter :find_multiple, :only => [:multiple_actions, :update_multiple_parameters,
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:select_multiple_hostgroup, :select_multiple_environment, :multiple_parameters]
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helper :hosts, :reports
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def index
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@search = Host.search(params[:search])
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@hosts = @search.paginate :page => params[:page], :include => [:hostgroup, :domain, :operatingsystem, :environment]
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@via = "fact_values_"
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@last_reports = Report.maximum(:id, :group => :host_id, :conditions => {:host_id => @hosts})
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end
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def show
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# filter graph time range
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@range = (params["range"].empty? ? 7 : params["range"].to_i)
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range = @range.days.ago
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@host = Host.find params[:id]
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graphs = @host.graph(range)
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# runtime graph
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data = { :labels => graphs[:runtime_labels], :values => graphs[:runtime] }
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options = { :title => "Runtime"}
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@runtime_graph = setgraph(GoogleVisualr::AnnotatedTimeLine.new, data, options)
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# resource graph
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data = { :labels => graphs[:resources_labels], :values => graphs[:resources] }
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options = { :title => "Resource", :width => 800, :height => 300, :legend => 'bottom'}
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@resource_graph = setgraph(GoogleVisualr::LineChart.new, data, options)
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# summary report text
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@report_summary = Report.summarise(range, @host)
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end
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def new
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@host = Host.new
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@host.host_parameters.build
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end
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# Clone the host
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def clone
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@original = Host.find(params[:id])
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@host = @original.clone
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load_vars_for_ajax
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# Clone any parameters as well
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@original.host_parameters.each{|param| @host.host_parameters << param.clone}
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flash[:error_customisation] = {:header_message => nil, :class => "flash notice", :id => nil,
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:message => "The following fields will need reviewing:" }
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@host.valid?
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render :action => :new
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end
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def create
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@host = Host.new(params[:host])
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if @host.save
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flash[:foreman_notice] = "Successfully created host."
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redirect_to @host
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else
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load_vars_for_ajax
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render :action => 'new'
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end
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end
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def edit
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@host = Host.find(params[:id])
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load_vars_for_ajax
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end
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def update
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@host = Host.find(params[:id])
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if @host.update_attributes(params[:host])
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flash[:foreman_notice] = "Successfully updated host."
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redirect_to @host
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else
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load_vars_for_ajax
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render :action => 'edit'
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end
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end
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def destroy
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@host = Host.find(params[:id])
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if @host.destroy
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flash[:foreman_notice] = "Successfully destroyed host."
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else
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flash[:foreman_error] = @host.errors.full_messages.join("<br>")
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end
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redirect_to hosts_url
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end
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# form AJAX methods
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def environment_selected
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if params[:environment_id].to_i > 0 and @environment = Environment.find(params[:environment_id])
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render :partial => 'puppetclasses/class_selection', :locals => {:obj => (@host ||= Host.new)}
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else
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return head(:not_found)
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end
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end
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def architecture_selected
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assign_parameter "architecture"
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end
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def os_selected
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assign_parameter "operatingsystem"
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end
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#returns a yaml file ready to use for puppet external nodes script
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#expected a fqdn parameter to provide hostname to lookup
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#see example script in extras directory
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#will return HTML error codes upon failure
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def externalNodes
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# check our parameters and look for a host
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if params[:id] and @host = Host.find(params[:id])
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elsif params["name"] and @host = Host.find(:first,:conditions => ["name = ?",params["name"]])
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else
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render :text => '404 Not Found', :status => 404 and return
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end
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begin
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respond_to do |format|
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format.html { render :text => @host.info.to_yaml.gsub("\n","<br>") }
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format.yml { render :text => @host.info.to_yaml }
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end
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rescue
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# failed
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logger.warn "Failed to generate external nodes for #{@host.name} with #{$!}"
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render :text => 'Unable to generate output, Check log files', :status => 412 and return
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end
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end
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def puppetrun
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host = Host.find params[:id]
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if GW::Puppet.run host.name
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render :text => "Successfully executed, check log files for more details"
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else
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render :text => "Failed, check log files"
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end
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end
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def setBuild
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host = Host.find params[:id]
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if host.setBuild != false
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flash[:foreman_notice] = "Enabled #{host.name} for rebuild on next boot"
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else
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flash[:foreman_error] = "Failed to enable #{host.name} for installation"
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end
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redirect_to :back
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end
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# generates a link to Puppetmaster RD graphs
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def rrdreport
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if SETTINGS[:rrd_report_url].nil? or (host=Host.find(params[:id])).last_report.nil?
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render :text => "Sorry, no graphs for this host"
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else
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render :partial => "rrdreport", :locals => { :host => host}
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end
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end
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# shows the last report for a host
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def report
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# is it safe to assume that the biggest ID is the last report?
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redirect_to :controller => "reports", :action => "show", :id => Report.maximum('id', :conditions => {:host_id => params[:id]})
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end
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# shows all reports for a certain host
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def reports
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@host = Host.find(params[:id])
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# set defaults search order - cant use default scope due to bug in AR
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# http://github.com/binarylogic/searchlogic/issues#issue/17
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params[:search] ||= {}
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params[:search][:order] ||= "ascend_by_reported_at"
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@search = Report.search(params[:search])
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@reports = @search.paginate(:page => params[:page], :conditions => {:host_id => @host}, :include => :host)
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end
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def query
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if @verbose
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@hosts.map! do |host|
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hash = {}
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h = Host.find_by_name host
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hash[host] = h.info
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facts = {}
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h.fact_values.each {|fv| facts[fv.fact_name.name] = fv.value}
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hash[host]["facts"]= facts
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hash
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end
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end
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respond_to do |format|
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format.html
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format.yml { render :text => @hosts.to_yaml }
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end
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end
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def facts
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@host = Host.find(params[:id])
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end
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def storeconfig_klasses
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@host = Host.find(params[:id])
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end
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# multiple host selection methods
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# present the available actions to the user
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def multiple_actions
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end
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def multiple_parameters
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@parameters = Parameter.find(:all, :select => "DISTINCT name", :conditions => {:host_id => @hosts })
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end
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def reset_multiple
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session[:selected] = []
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flash[:foreman_notice] = 'Selection cleared.'
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redirect_to hosts_path and return
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end
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def update_multiple_parameters
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if params[:name].empty?
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flash[:foreman_notice] = "No parameters were allocted to the selected hosts, can't mass assign."
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redirect_to hosts_path and return
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end
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@skipped_parameters = {}
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counter = 0
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@hosts.each do |host|
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skipped = []
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params[:name].each do |name, value|
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next if value.empty?
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if host_param = host.host_parameters.find_by_name(name)
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counter += 1 if host_param.update_attribute(:value, value)
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else
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skipped << name
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end
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@skipped_parameters[host.name] = skipped unless skipped.empty?
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end
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end
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session[:selected] = []
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if @skipped_parameters.empty?
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flash[:foreman_notice] = 'Updated all hosts!'
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redirect_to(hosts_path) and return
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else
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flash[:foreman_notice] = "#{counter} Parameters updated, see below for more information"
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end
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end
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def select_multiple_hostgroup
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end
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def update_multiple_hostgroup
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# simple validations
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if (id=params["hostgroup"]["id"]).empty?
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flash[:foreman_error] = 'No Hostgroup selected!'
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redirect_to(select_multiple_hostgroup_hosts) and return
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end
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if (hg = Hostgroup.find id).nil?
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flash[:foreman_error] = 'Empty Hostgroup selected!'
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redirect_to(select_multiple_hostgroup_hosts) and return
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end
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#update the hosts
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Host.find(session[:selected]).each do |host|
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host.hostgroup=hg
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host.save(perform_validation = false)
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end
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session[:selected] = []
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flash[:foreman_notice] = 'Updated hosts: Changed Hostgroup'
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redirect_to(hosts_path)
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end
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def select_multiple_environment
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end
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def update_multiple_environment
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# simple validations
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if (id=params["environment"]["id"]).empty?
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flash[:foreman_error] = 'No Environment selected!'
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redirect_to(select_multiple_environment_hosts_path) and return
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end
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if (ev = Environment.find id).nil?
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flash[:foreman_error] = 'Empty Environment selected!'
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redirect_to(select_multiple_environment_hosts_path) and return
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end
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#update the hosts
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Host.find(session[:selected]).each do |host|
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host.environment=ev
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host.save(perform_validation = false)
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end
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session[:selected] = []
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flash[:foreman_notice] = 'Updated hosts: Changed Environment'
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redirect_to(hosts_path)
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end
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# AJAX method to update our session each time a host has been selected
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# we are using AJAX and JS as the user might select multiple hosts across different pages (or requests).
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def save_checkbox
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return unless request.xhr?
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session[:selected] ||= []
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case params[:is_checked]
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when "true"
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session[:selected] << params[:box]
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when "false"
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session[:selected].delete params[:box]
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end
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render :nothing => true
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end
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private
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def find_hosts
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fact, klass = params[:fact], params[:class]
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if fact.empty? and klass.empty?
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render :text => '404 Not Found', :status => 404 and return
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end
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@hosts = []
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counter = 0
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@verbose = params[:verbose] == "yes"
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case params[:state]
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when "out_of_sync"
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state = "out_of_sync"
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when "all"
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state = "all"
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when "active", nil
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state = "recent"
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else
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raise invalid_request and return
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end
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# TODO: rewrite this part, my brain stopped working
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# it should be possible for a one join
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fact.each do |f|
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# split facts based on name => value pairs
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q = f.split("-seperator-")
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invalid_request unless q.size == 2
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list = Host.with_fact(*q).send(state).map(&:name)
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@hosts = counter == 0 ? list : @hosts & list
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counter +=1
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end unless fact.nil?
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klass.each do |k|
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list = Host.with_class(k).send(state).map(&:name)
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@hosts = counter == 0 ? list : @hosts & list
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counter +=1
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end unless klass.nil?
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render :text => '404 Not Found', :status => 404 and return if @hosts.empty?
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end
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def ajax_methods
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return head(:method_not_allowed) unless request.xhr?
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@host = Host.find(params[:id]) unless params[:id].empty?
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end
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def assign_parameter name
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if params["#{name}_id"].to_i > 0 and eval("@#{name} = #{name.capitalize}.find(params['#{name}_id'])")
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render :partial => name, :locals => {:host => (@host ||= Host.new)}
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else
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return head(:not_found)
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end
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end
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def load_vars_for_ajax
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return unless @host
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@environment = @host.environment
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@architecture = @host.architecture
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@operatingsystem = @host.operatingsystem
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end
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def find_multiple
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if session[:selected].empty?
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flash[:foreman_error] = 'No Hosts selected'
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redirect_to(hosts_path)
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else
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@hosts = Host.find(session[:selected], :order => "hostgroup_id ASC")
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end
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end
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end
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