Class: Corosync::Cluster

Inherits:
Object
  • Object
show all
Defined in:
lib/corosync-ruby/cluster.rb

Constant Summary collapse

COMMAND = 
"sudo crm"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Cluster

Returns a new instance of Cluster.



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# File 'lib/corosync-ruby/cluster.rb', line 8

def initialize
  parse
end

Instance Attribute Details

#failed_actions ⇒ Object (readonly)

Returns the value of attribute failed_actions.



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# File 'lib/corosync-ruby/cluster.rb', line 6

def failed_actions
  @failed_actions
end

#nodes_configured ⇒ Object (readonly)

Returns the value of attribute nodes_configured.



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# File 'lib/corosync-ruby/cluster.rb', line 5

def nodes_configured
  @nodes_configured
end

#offline ⇒ Object (readonly)

Returns the value of attribute offline.



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# File 'lib/corosync-ruby/cluster.rb', line 5

def offline
  @offline
end

#online ⇒ Object (readonly)

Returns the value of attribute online.



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# File 'lib/corosync-ruby/cluster.rb', line 5

def online
  @online
end

#resources_configured ⇒ Object (readonly)

Returns the value of attribute resources_configured.



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# File 'lib/corosync-ruby/cluster.rb', line 5

def resources_configured
  @resources_configured
end

#resources_started ⇒ Object (readonly)

Returns the value of attribute resources_started.



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# File 'lib/corosync-ruby/cluster.rb', line 6

def resources_started
  @resources_started
end

#resources_stopped ⇒ Object (readonly)

Returns the value of attribute resources_stopped.



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# File 'lib/corosync-ruby/cluster.rb', line 6

def resources_stopped
  @resources_stopped
end

Instance Method Details

#current_node_active? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/corosync-ruby/cluster.rb', line 53

def current_node_active?
  current_node = `hostname`.strip
  @online.include?(current_node)
end

#health_description ⇒ Object 



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# File 'lib/corosync-ruby/cluster.rb', line 24

def health_description
  description = ""
  ok = healthy
  
  if ok
    description += "OK"
  else
    description += "ERROR"
  end
  description += ", #{@nodes_configured} nodes configured"
  if @online.size != 0
    description += ", #{@online.size} nodes online #{@online.inspect}"
  end
  if !ok && @offline.size != 0
    description += ", #{@offline.size} nodes offline #{@offline.inspect}"
  end   
  description += ", #{@resources_configured} resources configured"
  if @resources_started.size != 0
    description += ", #{@resources_started.size} resources started #{@resources_started.inspect}"
  end
  if !ok && @resources_stopped.size != 0
    description += ", #{@resources_stopped.size} resources stopped #{@resources_stopped.inspect}"
  end
  if !ok && @failed_actions.size != 0
    description += ", Failed actions #{@failed_actions.inspect}"
  end
  description.gsub("\"", "")
end

#healthy ⇒ Object 



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# File 'lib/corosync-ruby/cluster.rb', line 12

def healthy
  if @online.size < @nodes_configured
    false
  elsif @resources_started.size < @resources_configured
    false
  elsif @failed_actions.size != 0
    false
  else
    true
  end  
end