Module: WavefrontCli::ExceptionMixins

Included in:
WavefrontCliController
Defined in:
lib/wavefront-cli/exception_handler.rb

Overview

Handle fatal errors.

Instance Method Summary collapse

Instance Method Details

#exception_handler(exception) ⇒ Object

rubocop:disable Metrics/MethodLength rubocop:disable Metrics/AbcSize rubocop:disable Metrics/CyclomaticComplexity rubocop:disable Metrics/PerceivedComplexity



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# File 'lib/wavefront-cli/exception_handler.rb', line 14

def exception_handler(exception)
  case exception
  when WavefrontCli::Exception::UnhandledCommand
    abort 'Fatal error. Unsupported command. Please open a Github issue.'
  when WavefrontCli::Exception::InvalidInput
    abort "Invalid input. #{exception.message}"
  when Interrupt
    abort "\nOperation aborted at user request."
  when WavefrontCli::Exception::ConfigFileNotFound
    abort "Configuration file #{exception}' not found."
  when WavefrontCli::Exception::CredentialError,
       Wavefront::Exception::CredentialError
    handle_missing_credentials(exception)
  when WavefrontCli::Exception::MandatoryValue
    abort 'A value must be supplied.'
  when Wavefront::Exception::NetworkTimeout
    abort 'Connection timed out.'
  when Wavefront::Exception::InvalidPermission
    abort "'#{exception}' is not a valid Wavefront permission."
  when Wavefront::Exception::InvalidTimestamp
    abort "'#{exception}' is not a parseable time."
  when Wavefront::Exception::InvalidUserGroupId
    abort "'#{exception}' is not a valid user group ID."
  when Wavefront::Exception::InvalidAccountId
    abort "'#{exception}' is not a valid system or user account ID."
  when Wavefront::Exception::InvalidAwsExternalId
    abort "'#{exception}' is not a valid AWS external ID."
  when Wavefront::Exception::InvalidRoleId
    abort "'#{exception}' is not a valid role ID."
  when Wavefront::Exception::InvalidApiTokenId
    abort "'#{exception}' is not a valid API token ID."
  when Wavefront::Exception::InvalidIngestionPolicyId
    abort "'#{exception}' is not a valid ingestion policy ID."
  when Wavefront::Exception::InvalidVersion
    abort "'#{exception}' is not a valid version."
  when WavefrontCli::Exception::InvalidValue
    abort "Invalid value for #{exception}."
  when WavefrontCli::Exception::ProfileExists
    abort "Profile '#{exception}' already exists."
  when WavefrontCli::Exception::ProfileNotFound
    abort "Profile '#{exception}' not found."
  when WavefrontCli::Exception::FileNotFound
    abort 'File not found.'
  when WavefrontCli::Exception::InsufficientData
    abort "Insufficient data. #{exception.message}"
  when WavefrontCli::Exception::InvalidQuery
    abort "Invalid query. API message: '#{exception.message}'."
  when WavefrontCli::Exception::SystemError
    abort "Host system error. #{exception.message}"
  when WavefrontCli::Exception::UnparseableInput
    abort "Cannot parse input. #{exception.message}"
  when WavefrontCli::Exception::UnparseableSearchPattern
    abort 'Searches require a key, a value, and a match operator.'
  when WavefrontCli::Exception::UnsupportedFileFormat
    abort 'Unsupported file format.'
  when WavefrontCli::Exception::UnsupportedOperation
    abort "Unsupported operation.\n#{exception.message}"
  when WavefrontCli::Exception::UnsupportedOutput
    abort exception.message
  when WavefrontCli::Exception::UnsupportedNoop
    abort 'Multiple API call operations cannot be performed as no-ops.'
  when WavefrontCli::Exception::UserGroupNotFound
    abort "Cannot find user group '#{exception.message}'."
  when Wavefront::Exception::UnsupportedWriter
    abort "Unsupported writer '#{exception.message}'."
  when WavefrontCli::Exception::UserError
    abort "User error: #{exception.message}."
  when WavefrontCli::Exception::ImpossibleSearch
    abort 'Search on non-existent key. Please use a top-level field.'
  when Wavefront::Exception::InvalidSamplingValue
    abort 'Sampling rates must be between 0 and 0.05.'
  when Faraday::ConnectionFailed
    abort 'Error connecting to remote host.'
  else
    warn "general error: #{exception}"
    backtrace_message(exception)
    abort
  end
end