Class: Amphibian::BalancerManager

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

Instance Method Summary collapse

Constructor Details

#initialize(balancer_manager_url, dry_run = false) ⇒ BalancerManager

Returns a new instance of BalancerManager.



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# File 'lib/amphibian/balancerManagerDocument.rb', line 4

def initialize(balancer_manager_url, dry_run = false)
  @balancer_manager_url = balancer_manager_url
  @dry_run = dry_run
  
  if !balancer_manager_url.match("127.0.0.1") && !dry_run
    @dry_run = true
    log_error
    log_error "Not running on localhost: Performing dry-run"
    log_error
  end
end

Instance Method Details

#balancer_manager_url ⇒ Object

Returns the url of the BalancerManager page.



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# File 'lib/amphibian/balancerManagerDocument.rb', line 53

def balancer_manager_url
  @balancer_manager_url
end

#balancer_name ⇒ Object

Returns the name of the balancer on the BalancerManager page.



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# File 'lib/amphibian/balancerManagerDocument.rb', line 48

def balancer_name
  @balancer_name ||= (get_doc/'a').select{|a_tag| a_tag.inner_text =~ /^balancer:/}.map{|a_tag| a_tag.inner_text}[0].sub('balancer://', '')
end

#disable_host(host) ⇒ Object

Disables a host from the balancer.



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# File 'lib/amphibian/balancerManagerDocument.rb', line 17

def disable_host(host)
  # TODO: Check Status
  toggle_host(host, 'Disable')
end

#disabled_hosts ⇒ Object

TODO: Optionally force refresh



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# File 'lib/amphibian/balancerManagerDocument.rb', line 41

def disabled_hosts
  hosts_array = []
  hosts_with_status.select{|host,state| state != 'Ok'}.each{|host| hosts_array << host}
  hosts_array
end

#dry_run? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/amphibian/balancerManagerDocument.rb', line 67

def dry_run?
  @dry_run
end

#enable_host(host) ⇒ Object

Enables a host in the balancer



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# File 'lib/amphibian/balancerManagerDocument.rb', line 23

def enable_host(host)
  # TODO: Check Status
  toggle_host(host, 'Enable')
end

#enabled_hosts ⇒ Object

TODO: Optionally force refresh



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# File 'lib/amphibian/balancerManagerDocument.rb', line 34

def enabled_hosts
  hosts_array = []
  hosts_with_status.select{|host,state| state == 'Ok'}.each{|host| hosts_array << host}
  hosts_array
end

#host_disabled?(host) ⇒ Boolean

TODO: Optionally force refresh

Returns:

  • (Boolean) 


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# File 'lib/amphibian/balancerManagerDocument.rb', line 63

def host_disabled?(host)
  !enabled_hosts.include?(host)
end

#host_enabled?(host) ⇒ Boolean

TODO: Optionally force refresh

Returns:

  • (Boolean) 


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# File 'lib/amphibian/balancerManagerDocument.rb', line 58

def host_enabled?(host)
  enabled_hosts.include?(host)
end

#hosts ⇒ Object

Returns an array of strings indicated the balancer members parsed out of the BalancerManager page.



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# File 'lib/amphibian/balancerManagerDocument.rb', line 29

def hosts
  @hosts ||= (get_doc/'a').select{|a_tag| a_tag.inner_text =~ /^http:/}.map{|a_tag| a_tag.inner_text}
end

#hosts_with_status ⇒ Object 



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# File 'lib/amphibian/balancerManagerDocument.rb', line 71

def hosts_with_status
  host_to_status = {}
  (get_doc/'a').select{|a_tag| a_tag.inner_text =~ /^http:/}.each do |a_tag|
    host_to_status[a_tag.inner_text] = (a_tag.parent.parent.children[6].inner_text.strip)
  end
  host_to_status
end