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ManageIQ/manageiq

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app/models/miq_server.rb

Summary

Maintainability
A
2 hrs
Test Coverage
C
71%

Method monitor has a Cognitive Complexity of 22 (exceeds 11 allowed). Consider refactoring.
Open

  def monitor
    now = Time.now.utc
    Benchmark.realtime_block(:heartbeat)               { heartbeat }         if threshold_exceeded?(:heartbeat_frequency, now)
    Benchmark.realtime_block(:server_dequeue)          { process_miq_queue } if threshold_exceeded?(:server_dequeue_frequency, now)
Severity: Minor
Found in app/models/miq_server.rb - About 2 hrs to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Avoid rescuing the Exception class. Perhaps you meant to rescue StandardError?
Open

    rescue Exception => err
      _log.error("#{err.message}, during reconnect!")
Severity: Minor
Found in app/models/miq_server.rb by rubocop

Checks for rescue blocks targeting the Exception class.

Example:

# bad

begin
  do_something
rescue Exception
  handle_exception
end

Example:

# good

begin
  do_something
rescue ArgumentError
  handle_exception
end

Avoid rescuing the Exception class. Perhaps you meant to rescue StandardError?
Open

  rescue Exception => err
    _log.error(err.message)
    _log.log_backtrace(err)

    begin
Severity: Minor
Found in app/models/miq_server.rb by rubocop

Checks for rescue blocks targeting the Exception class.

Example:

# bad

begin
  do_something
rescue Exception
  handle_exception
end

Example:

# good

begin
  do_something
rescue ArgumentError
  handle_exception
end

Shadowing outer local variable - guid.
Open

    SecureRandom.uuid.tap do |guid|
Severity: Minor
Found in app/models/miq_server.rb by rubocop

Checks for the use of local variable names from an outer scope in block arguments or block-local variables. This mirrors the warning given by ruby -cw prior to Ruby 2.6: "shadowing outer local variable - foo".

NOTE: Shadowing of variables in block passed to Ractor.new is allowed because Ractor should not access outer variables. eg. following style is encouraged:

```ruby
worker_id, pipe = env
Ractor.new(worker_id, pipe) do |worker_id, pipe|
end
```

Example:

# bad

def some_method
  foo = 1

  2.times do |foo| # shadowing outer `foo`
    do_something(foo)
  end
end

Example:

# good

def some_method
  foo = 1

  2.times do |bar|
    do_something(bar)
  end
end

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