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Useless assignment to variable - newmap. Use _ or _newmap as a variable name to indicate that it won't be used.
Open

        newtree, newmap = menu(
Severity: Minor
Found in bin/mu-configure by rubocop

This cop checks for every useless assignment to local variable in every scope. The basic idea for this cop was from the warning of ruby -cw:

assigned but unused variable - foo

Currently this cop has advanced logic that detects unreferenced reassignments and properly handles varied cases such as branch, loop, rescue, ensure, etc.

Example:

# bad

def some_method
  some_var = 1
  do_something
end

Example:

# good

def some_method
  some_var = 1
  do_something(some_var)
end

Do not suppress exceptions.
Open

        rescue Exception
Severity: Minor
Found in bin/mu-node-manage by rubocop

This cop checks for rescue blocks with no body.

Example:

# bad

def some_method
  do_something
rescue
  # do nothing
end

Example:

# bad

begin
  do_something
rescue
  # do nothing
end

Example:

# good

def some_method
  do_something
rescue
  handle_exception
end

Example:

# good

begin
  do_something
rescue
  handle_exception
end

Use =~ in places where the MatchData returned by #match will not be used.
Open

        if node.match(/^(.*?-[^\-]+?-\d{10}-[A-Z]{2})-.*/)
Severity: Minor
Found in bin/mu-node-manage by rubocop

This cop identifies the use of Regexp#match or String#match, which returns #<MatchData>/nil. The return value of =~ is an integral index/nil and is more performant.

Example:

# bad
do_something if str.match(/regex/)
while regex.match('str')
  do_something
end

# good
method(str =~ /regex/)
return value unless regex =~ 'str'

Use =~ in places where the MatchData returned by #match will not be used.
Open

      if e.message.match(/notFound:/)
Severity: Minor
Found in bin/mu-gcp-setup by rubocop

This cop identifies the use of Regexp#match or String#match, which returns #<MatchData>/nil. The return value of =~ is an integral index/nil and is more performant.

Example:

# bad
do_something if str.match(/regex/)
while regex.match('str')
  do_something
end

# good
method(str =~ /regex/)
return value unless regex =~ 'str'

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

  rescue Exception => e
    if verbose
      puts "Got #{e.inspect} closing down gateway tunnel (remote port may have been dead)"
      Syslog.log(Syslog::LOG_NOTICE, "Got #{e.inspect} closing down gateway tunnel (remote port may have been dead)")
    end
Severity: Minor
Found in bin/mu-tunnel-nagios by rubocop

This cop 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

Useless assignment to variable - nat_ssh_user.
Open

nat_ssh_user = $opts[:user]
Severity: Minor
Found in bin/mu-tunnel-nagios by rubocop

This cop checks for every useless assignment to local variable in every scope. The basic idea for this cop was from the warning of ruby -cw:

assigned but unused variable - foo

Currently this cop has advanced logic that detects unreferenced reassignments and properly handles varied cases such as branch, loop, rescue, ensure, etc.

Example:

# bad

def some_method
  some_var = 1
  do_something
end

Example:

# good

def some_method
  some_var = 1
  do_something(some_var)
end

Useless assignment to variable - ssh_conf.
Open

  ssh_conf = File.read("#{NAGIOS_HOME}/.ssh/config")
Severity: Minor
Found in bin/mu-tunnel-nagios by rubocop

This cop checks for every useless assignment to local variable in every scope. The basic idea for this cop was from the warning of ruby -cw:

assigned but unused variable - foo

Currently this cop has advanced logic that detects unreferenced reassignments and properly handles varied cases such as branch, loop, rescue, ensure, etc.

Example:

# bad

def some_method
  some_var = 1
  do_something
end

Example:

# good

def some_method
  some_var = 1
  do_something(some_var)
end

Redundant use of Object#to_s in interpolation.
Open

    readme += "<tr><td><strong>{MU::Config::BasketofKittens::#{MU::Cloud.resource_types[type][:cfg_plural]} #{type.to_s}}</strong></td>"
Severity: Minor
Found in bin/mu-gen-docs by rubocop

This cop checks for string conversion in string interpolation, which is redundant.

Example:

# bad

"result is #{something.to_s}"

Example:

# good

"result is #{something}"

Use =~ in places where the MatchData returned by #match will not be used.
Open

      if e.message.match(/notFound:/)
Severity: Minor
Found in bin/mu-azure-setup by rubocop

This cop identifies the use of Regexp#match or String#match, which returns #<MatchData>/nil. The return value of =~ is an integral index/nil and is more performant.

Example:

# bad
do_something if str.match(/regex/)
while regex.match('str')
  do_something
end

# good
method(str =~ /regex/)
return value unless regex =~ 'str'

end at 1028, 6 is not aligned with if at 1021, 4.
Open

      end
Severity: Minor
Found in bin/mu-configure by rubocop

This cop checks whether the end keywords are aligned properly.

Three modes are supported through the EnforcedStyleAlignWith configuration parameter:

If it's set to keyword (which is the default), the end shall be aligned with the start of the keyword (if, class, etc.).

If it's set to variable the end shall be aligned with the left-hand-side of the variable assignment, if there is one.

If it's set to start_of_line, the end shall be aligned with the start of the line where the matching keyword appears.

Example: EnforcedStyleAlignWith: keyword (default)

# bad

variable = if true
    end

# good

variable = if true
           end

Example: EnforcedStyleAlignWith: variable

# bad

variable = if true
    end

# good

variable = if true
end

Example: EnforcedStyleAlignWith: startofline

# bad

variable = if true
    end

# good

puts(if true
end)

Avoid more than 4 levels of block nesting.
Open

            newtree['default']['value'] = true if newtree['default']
Severity: Minor
Found in bin/mu-configure by rubocop

This cop checks for excessive nesting of conditional and looping constructs.

You can configure if blocks are considered using the CountBlocks option. When set to false (the default) blocks are not counted towards the nesting level. Set to true to count blocks as well.

The maximum level of nesting allowed is configurable.

Avoid more than 4 levels of block nesting.
Open

          if tree[parentname]['subtree']['#entries'].size == 1
          end
Severity: Minor
Found in bin/mu-configure by rubocop

This cop checks for excessive nesting of conditional and looping constructs.

You can configure if blocks are considered using the CountBlocks option. When set to false (the default) blocks are not counted towards the nesting level. Set to true to count blocks as well.

The maximum level of nesting allowed is configurable.

Use each_value instead of values.each.
Open

      MU::Cloud.resource_types.values.each { |attrs|
Severity: Minor
Found in bin/mu-run-tests by rubocop

This cop checks for uses of each_key and each_value Hash methods.

Note: If you have an array of two-element arrays, you can put parentheses around the block arguments to indicate that you're not working with a hash, and suppress RuboCop offenses.

Example:

# bad
hash.keys.each { |k| p k }
hash.values.each { |v| p v }
hash.each { |k, _v| p k }
hash.each { |_k, v| p v }

# good
hash.each_key { |k| p k }
hash.each_value { |v| p v }

Prefer using YAML.safe_load over YAML.load.
Open

      default_cfg.merge!(YAML.load(File.read("/opt/mu/etc/mu.yaml")))
Severity: Minor
Found in bin/mu-load-config.rb by rubocop

This cop checks for the use of YAML class methods which have potential security issues leading to remote code execution when loading from an untrusted source.

Example:

# bad
YAML.load("--- foo")

# good
YAML.safe_load("--- foo")
YAML.dump("foo")

Unused method argument - vaults_only.
Open

def sslCerts(deploys = MU::MommaCat.listDeploys, nodes = [], vaults_only: false)
Severity: Minor
Found in bin/mu-node-manage by rubocop

This cop checks for unused method arguments.

Example:

# bad

def some_method(used, unused, _unused_but_allowed)
  puts used
end

Example:

# good

def some_method(used, _unused, _unused_but_allowed)
  puts used
end

Useless assignment to variable - count.
Open

  count = 0
Severity: Minor
Found in bin/mu-node-manage by rubocop

This cop checks for every useless assignment to local variable in every scope. The basic idea for this cop was from the warning of ruby -cw:

assigned but unused variable - foo

Currently this cop has advanced logic that detects unreferenced reassignments and properly handles varied cases such as branch, loop, rescue, ensure, etc.

Example:

# bad

def some_method
  some_var = 1
  do_something
end

Example:

# good

def some_method
  some_var = 1
  do_something(some_var)
end

Useless assignment to variable - bucket. Did you mean bucketobj?
Open

        bucket = MU::Cloud::Azure.storage(credentials: credset).insert_bucket(
Severity: Minor
Found in bin/mu-azure-setup by rubocop

This cop checks for every useless assignment to local variable in every scope. The basic idea for this cop was from the warning of ruby -cw:

assigned but unused variable - foo

Currently this cop has advanced logic that detects unreferenced reassignments and properly handles varied cases such as branch, loop, rescue, ensure, etc.

Example:

# bad

def some_method
  some_var = 1
  do_something
end

Example:

# good

def some_method
  some_var = 1
  do_something(some_var)
end

Use =~ in places where the MatchData returned by #match will not be used.
Open

      if e.message.match(/notFound:/)
Severity: Minor
Found in bin/mu-azure-setup by rubocop

This cop identifies the use of Regexp#match or String#match, which returns #<MatchData>/nil. The return value of =~ is an integral index/nil and is more performant.

Example:

# bad
do_something if str.match(/regex/)
while regex.match('str')
  do_something
end

# good
method(str =~ /regex/)
return value unless regex =~ 'str'

Do not shadow rescued Exceptions.
Open

  rescue LoadError, Gem::MissingSpecError
    _system("cd #{MU_BASE}/lib/modules && umask 0022 && /usr/local/ruby-current/bin/bundle install")
    require 'bundler'
    pwd = Dir.pwd
    Dir.chdir(MU_BASE+"/lib/modules")
Severity: Minor
Found in bin/mu-configure by rubocop

This cop checks for a rescued exception that get shadowed by a less specific exception being rescued before a more specific exception is rescued.

Example:

# bad

begin
  something
rescue Exception
  handle_exception
rescue StandardError
  handle_standard_error
end

# good

begin
  something
rescue StandardError
  handle_standard_error
rescue Exception
  handle_exception
end

# good, however depending on runtime environment.
#
# This is a special case for system call errors.
# System dependent error code depends on runtime environment.
# For example, whether `Errno::EAGAIN` and `Errno::EWOULDBLOCK` are
# the same error code or different error code depends on environment.
# This good case is for `Errno::EAGAIN` and `Errno::EWOULDBLOCK` with
# the same error code.
begin
  something
rescue Errno::EAGAIN, Errno::EWOULDBLOCK
  handle_standard_error
end

Useless assignment to variable - data.
Open

        data = nil
Severity: Minor
Found in bin/mu-configure by rubocop

This cop checks for every useless assignment to local variable in every scope. The basic idea for this cop was from the warning of ruby -cw:

assigned but unused variable - foo

Currently this cop has advanced logic that detects unreferenced reassignments and properly handles varied cases such as branch, loop, rescue, ensure, etc.

Example:

# bad

def some_method
  some_var = 1
  do_something
end

Example:

# good

def some_method
  some_var = 1
  do_something(some_var)
end
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