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salt/modules/freebsdjail.py

Summary

Maintainability
F
4 days
Test Coverage

Function show_config has a Cognitive Complexity of 77 (exceeds 5 allowed). Consider refactoring.
Open

def show_config(jail):
    '''
    Display specified jail's configuration

    CLI Example:
Severity: Minor
Found in salt/modules/freebsdjail.py - About 1 day 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

Function fstab has a Cognitive Complexity of 22 (exceeds 5 allowed). Consider refactoring.
Open

def fstab(jail):
    '''
    Display contents of a fstab(5) file defined in specified
    jail's configuration. If no file is defined, return False.
Severity: Minor
Found in salt/modules/freebsdjail.py - About 3 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

Function get_enabled has a Cognitive Complexity of 18 (exceeds 5 allowed). Consider refactoring.
Open

def get_enabled():
    '''
    Return which jails are set to be run

    CLI Example:
Severity: Minor
Found in salt/modules/freebsdjail.py - 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

Cyclomatic complexity is too high in function show_config. (21)
Open

def show_config(jail):
    '''
    Display specified jail's configuration

    CLI Example:
Severity: Minor
Found in salt/modules/freebsdjail.py by radon

Cyclomatic Complexity

Cyclomatic Complexity corresponds to the number of decisions a block of code contains plus 1. This number (also called McCabe number) is equal to the number of linearly independent paths through the code. This number can be used as a guide when testing conditional logic in blocks.

Radon analyzes the AST tree of a Python program to compute Cyclomatic Complexity. Statements have the following effects on Cyclomatic Complexity:

Construct Effect on CC Reasoning
if +1 An if statement is a single decision.
elif +1 The elif statement adds another decision.
else +0 The else statement does not cause a new decision. The decision is at the if.
for +1 There is a decision at the start of the loop.
while +1 There is a decision at the while statement.
except +1 Each except branch adds a new conditional path of execution.
finally +0 The finally block is unconditionally executed.
with +1 The with statement roughly corresponds to a try/except block (see PEP 343 for details).
assert +1 The assert statement internally roughly equals a conditional statement.
Comprehension +1 A list/set/dict comprehension of generator expression is equivalent to a for loop.
Boolean Operator +1 Every boolean operator (and, or) adds a decision point.

Source: http://radon.readthedocs.org/en/latest/intro.html

Avoid deeply nested control flow statements.
Open

                    for line in _fp:
                        line = salt.utils.stringutils.to_unicode(line)
                        if not line.strip():
                            continue
                        if not line.startswith('jail_{0}_'.format(jail)):
Severity: Major
Found in salt/modules/freebsdjail.py - About 45 mins to fix

    Avoid deeply nested control flow statements.
    Open

                        for line in _fp:
                        line = salt.utils.stringutils.to_unicode(line)
                        line = line.partition('#')[0].strip()
                        if line:
                            if line.split()[-1] == '{':
    Severity: Major
    Found in salt/modules/freebsdjail.py - About 45 mins to fix

      Avoid deeply nested control flow statements.
      Open

                          if not line.strip():
                        continue
                    if not line.startswith('jail_list='):
      Severity: Major
      Found in salt/modules/freebsdjail.py - About 45 mins to fix

        Avoid deeply nested control flow statements.
        Open

                            if not line.startswith('jail_list='):
                        continue
                    jails = line.split('"')[1].split()
        Severity: Major
        Found in salt/modules/freebsdjail.py - About 45 mins to fix

          Avoid deeply nested control flow statements.
          Open

                              if not line:
                        continue
                    if line.startswith('#'):
          Severity: Major
          Found in salt/modules/freebsdjail.py - About 45 mins to fix

            Avoid deeply nested control flow statements.
            Open

                                if line.startswith('#'):
                        continue
                    try:
            Severity: Major
            Found in salt/modules/freebsdjail.py - About 45 mins to fix

              Avoid deeply nested control flow statements.
              Open

                                  for j in jails:
                        ret.append(j)
    return ret
              Severity: Major
              Found in salt/modules/freebsdjail.py - About 45 mins to fix

                Similar blocks of code found in 2 locations. Consider refactoring.
                Open

                        for jailopt in jailopts:
            if '=' not in jailopt:
                ret[jailopt.strip().rstrip(";")] = '1'
            else:
                key = jailopt.split('=')[0].strip()
                Severity: Major
                Found in salt/modules/freebsdjail.py and 1 other location - About 4 hrs to fix
                salt/modules/freebsdjail.py on lines 166..171

                Duplicated Code

                Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                Tuning

                This issue has a mass of 91.

                We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                Refactorings

                Further Reading

                Similar blocks of code found in 2 locations. Consider refactoring.
                Open

                                            if '=' not in line:
                                ret[line.strip().rstrip(";")] = '1'
                            else:
                                key = line.split('=')[0].strip()
                                value = line.split('=')[-1].strip().strip(";'\"")
                Severity: Major
                Found in salt/modules/freebsdjail.py and 1 other location - About 4 hrs to fix
                salt/modules/freebsdjail.py on lines 131..137

                Duplicated Code

                Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                Tuning

                This issue has a mass of 91.

                We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                Refactorings

                Further Reading

                Similar blocks of code found in 3 locations. Consider refactoring.
                Open

                    if 'fstab' in config:
        c_fstab = config['fstab']
    elif 'mount.fstab' in config:
        c_fstab = config['mount.fstab']
                Severity: Major
                Found in salt/modules/freebsdjail.py and 2 other locations - About 45 mins to fix
                salt/cloud/clouds/ec2.py on lines 3222..3227
                salt/utils/boto3mod.py on lines 256..261

                Duplicated Code

                Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                Tuning

                This issue has a mass of 43.

                We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                Refactorings

                Further Reading

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