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

              if e.message.match(/can't add a new key into hash during iteration/)
Severity: Minor
Found in modules/mu/deploy.rb 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 meaningful heredoc delimiters.
Open

        EOH
Severity: Minor
Found in cookbooks/mu-glusterfs/recipes/samba.rb by rubocop

This cop checks that your heredocs are using meaningful delimiters. By default it disallows END and EO*, and can be configured through blacklisting additional delimiters.

Example:

# good
<<-SQL
  SELECT * FROM foo
SQL

# bad
<<-END
  SELECT * FROM foo
END

# bad
<<-EOS
  SELECT * FROM foo
EOS

Use normalcase for variable numbers.
Open

local_chef_ports_2 = [5672, 9999, 15672, 25672, 81, 111, 4369, 9463]
Severity: Minor
Found in cookbooks/mu-master/recipes/firewall-holes.rb by rubocop

This cop makes sure that all numbered variables use the configured style, snakecase, normalcase or noninteger, for their numbering.

Example: EnforcedStyle: snake_case

# bad

variable1 = 1

# good

variable_1 = 1

Example: EnforcedStyle: normalcase (default)

# bad

variable_1 = 1

# good

variable1 = 1

Example: EnforcedStyle: non_integer

# bad

variable1 = 1

variable_1 = 1

# good

variableone = 1

variable_one = 1

Use meaningful heredoc delimiters.
Open

  EOH
Severity: Minor
Found in cookbooks/mu-master/recipes/init.rb by rubocop

This cop checks that your heredocs are using meaningful delimiters. By default it disallows END and EO*, and can be configured through blacklisting additional delimiters.

Example:

# good
<<-SQL
  SELECT * FROM foo
SQL

# bad
<<-END
  SELECT * FROM foo
END

# bad
<<-EOS
  SELECT * FROM foo
EOS

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

      if dmiout.match(/Google/)
Severity: Minor
Found in cookbooks/mu-master/recipes/init.rb 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'

Useless assignment to variable - debianbase.
Open

debianbase = [] # Bill is hopeful about the future...
Severity: Minor
Found in cookbooks/mu-master/recipes/basepackages.rb 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

end at 399, 6 is not aligned with if at 390, 17.
Open

      end
Severity: Minor
Found in modules/mu.rb 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)

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")

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

          db['port'] = 1433 if db['engine'].match(/^sqlserver\-/)
Severity: Minor
Found in modules/mu/config.rb 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 each_value instead of values.each.
Open

          MU::Cloud.resource_types.values.each { |data|
Severity: Minor
Found in modules/mu/deploy.rb 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 }

Use each_key instead of keys.each.
Open

      hash1.keys.each { |k|
Severity: Minor
Found in modules/mu.rb 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 }

end at 438, 8 is not aligned with if at 427, 19.
Open

        end
Severity: Minor
Found in modules/mu/master.rb 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)

Parenthesize the param lazy { apache_platform_service_name } to make sure that the block will be associated with the lazy method call.
Open

    service_name lazy { apache_platform_service_name }
Severity: Minor
Found in cookbooks/mu-master/recipes/default.rb by rubocop

This cop checks for ambiguous block association with method when param passed without parentheses.

Example:

# bad
some_method a { |val| puts val }

Example:

# good
# With parentheses, there's no ambiguity.
some_method(a) { |val| puts val }

# good
# Operator methods require no disambiguation
foo == bar { |b| b.baz }

# good
# Lambda arguments require no disambiguation
foo = ->(bar) { bar.baz }

Use meaningful heredoc delimiters.
Open

    EOH
Severity: Minor
Found in cookbooks/mu-master/recipes/ssl-certs.rb by rubocop

This cop checks that your heredocs are using meaningful delimiters. By default it disallows END and EO*, and can be configured through blacklisting additional delimiters.

Example:

# good
<<-SQL
  SELECT * FROM foo
SQL

# bad
<<-END
  SELECT * FROM foo
END

# bad
<<-EOS
  SELECT * FROM foo
EOS

File.exists? is deprecated in favor of File.exist?.
Open

    if pubkey and File.exists?("#{SSH_DIR}/authorized_keys")
Severity: Minor
Found in cookbooks/mu-master/recipes/init.rb by rubocop

This cop checks for uses of the deprecated class method usages.

Example:

# bad

File.exists?(some_path)

Example:

# good

File.exist?(some_path)

Useless assignment to variable - dpkgs.
Open

dpkgs = {}
Severity: Minor
Found in cookbooks/mu-master/recipes/init.rb 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

Prefer using YAML.safe_load over YAML.load.
Open

    global_cfg = YAML.load(File.read(cfgPath))
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")

Redundant use of Object#to_s in interpolation.
Open

        archive = "#{$MU_CFG['datadir']}/#{user}.metadata.#{Time.now.to_i.to_s}.tar.gz"
Severity: Minor
Found in modules/mu/master.rb 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}"

Redundant use of Object#to_s in interpolation.
Open

              MU.log "Giving up on Kubernetes resource #{count.to_s} #{arg}"
Severity: Minor
Found in modules/mu/master.rb 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}"

Redundant use of Object#to_s in interpolation.
Open

          response = open("https://127.0.0.1:#{MU.mommaCatPort.to_s}/rest/hosts_add/#{chef_name}/#{public_ip}").read
Severity: Minor
Found in modules/mu/master.rb 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}"
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