57 lines
2.1 KiB
Ruby
57 lines
2.1 KiB
Ruby
module Pacemaker
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# functions related to the resource defaults
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# main structure "resource_defaults"
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module ResourceDefault
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# get resource defaults CIB section
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# @return [REXML::Element]
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def cib_section_resource_defaults
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REXML::XPath.match(cib, '/cib/configuration/rsc_defaults/meta_attributes').first
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end
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# the main 'resource_defaults' structure
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# contains defaults operations and their values
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# @return [Hash]
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def resource_defaults
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return @resource_defaults_structure if @resource_defaults_structure
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@resource_defaults_structure = children_elements_to_hash cib_section_resource_defaults, 'name'
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@resource_defaults_structure = {} unless @resource_defaults_structure
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@resource_defaults_structure
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end
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# extract a single resource default attribute value
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# returns nil if it have not been set
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# @param attribute_name [String]
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# @return [String, nil]
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def resource_default_value(attribute_name)
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return unless resource_default_defined? attribute_name
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resource_defaults[attribute_name]['value']
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end
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# set a single resource default value
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# @param attribute_name [String]
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# @param attribute_value [String]
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def resource_default_set(attribute_name, attribute_value)
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options = ['--quiet', '--type', 'rsc_defaults', '--attr-name', attribute_name]
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options += ['--attr-value', attribute_value]
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retry_block { crm_attribute_safe options }
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end
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# remove a defined resource default attribute
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# @param attribute_name [String]
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def resource_default_delete(attribute_name)
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options = ['--quiet', '--type', 'rsc_defaults', '--attr-name', attribute_name]
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options += ['--delete-attr']
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retry_block { crm_attribute_safe options }
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end
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# check if this resource default attribute have been defined
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# @param attribute_name [String]
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# @return [true,false]
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def resource_default_defined?(attribute_name)
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return false unless resource_defaults.key? attribute_name
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return false unless resource_defaults[attribute_name].is_a?(Hash) && resource_defaults[attribute_name]['value']
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true
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end
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end
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end
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