129 lines
3.5 KiB
Ruby
129 lines
3.5 KiB
Ruby
module SystemCheck
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# Base class for Checks. You must inherit from here
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# and implement the methods below when necessary
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class BaseCheck
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include ::SystemCheck::Helpers
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# Define a custom term for when check passed
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#
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# @param [String] term used when check passed (default: 'yes')
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def self.set_check_pass(term)
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@check_pass = term
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end
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# Define a custom term for when check failed
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#
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# @param [String] term used when check failed (default: 'no')
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def self.set_check_fail(term)
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@check_fail = term
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end
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# Define the name of the SystemCheck that will be displayed during execution
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#
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# @param [String] name of the check
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def self.set_name(name)
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@name = name
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end
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# Define the reason why we skipped the SystemCheck
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#
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# This is only used if subclass implements `#skip?`
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#
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# @param [String] reason to be displayed
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def self.set_skip_reason(reason)
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@skip_reason = reason
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end
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# Term to be displayed when check passed
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#
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# @return [String] term when check passed ('yes' if not re-defined in a subclass)
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def self.check_pass
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call_or_return(@check_pass) || 'yes'
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end
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## Term to be displayed when check failed
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#
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# @return [String] term when check failed ('no' if not re-defined in a subclass)
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def self.check_fail
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call_or_return(@check_fail) || 'no'
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end
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# Name of the SystemCheck defined by the subclass
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#
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# @return [String] the name
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def self.display_name
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call_or_return(@name) || self.name
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end
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# Skip reason defined by the subclass
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#
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# @return [String] the reason
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def self.skip_reason
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call_or_return(@skip_reason) || 'skipped'
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end
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# Does the check support automatically repair routine?
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#
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# @return [Boolean] whether check implemented `#repair!` method or not
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def can_repair?
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self.class.instance_methods(false).include?(:repair!)
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end
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def can_skip?
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self.class.instance_methods(false).include?(:skip?)
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end
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def is_multi_check?
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self.class.instance_methods(false).include?(:multi_check)
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end
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# Execute the check routine
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#
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# This is where you should implement the main logic that will return
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# a boolean at the end
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#
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# You should not print any output to STDOUT here, use the specific methods instead
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#
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# @return [Boolean] whether check passed or failed
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def check?
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raise NotImplementedError
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end
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# Execute a custom check that cover multiple unities
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#
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# When using multi_check you have to provide the output yourself
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def multi_check
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raise NotImplementedError
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end
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# Prints troubleshooting instructions
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#
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# This is where you should print detailed information for any error found during #check?
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#
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# You may use helper methods to help format the output:
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#
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# @see #try_fixing_it
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# @see #fix_and_rerun
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# @see #for_more_infromation
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def show_error
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raise NotImplementedError
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end
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# When implemented by a subclass, will attempt to fix the issue automatically
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def repair!
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raise NotImplementedError
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end
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# When implemented by a subclass, will evaluate whether check should be skipped or not
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#
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# @return [Boolean] whether or not this check should be skipped
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def skip?
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raise NotImplementedError
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end
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def self.call_or_return(input)
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input.respond_to?(:call) ? input.call : input
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end
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private_class_method :call_or_return
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end
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end
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