parse_images() - Code Metrics - dreipol/cleanup-deis-images - Measure and Improve Code Quality continuously with Scrutinizer

parse_images() A
last analyzed 2016-06-20 15:22 UTC

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Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	3
c	1
b	0
f	0
dl	0
loc	12
rs	9.4285

#!/usr/bin/env python
from collections import defaultdict
import subprocess
import os

KEEP_LAST_VERSIONS = int(os.environ.get('KEEP_LAST_VERSIONS', 4))


def find_obsolete_images(images):
    for image_name, versions in images.items():
        if len(versions) > KEEP_LAST_VERSIONS:
            obsolete_versions = sorted(versions, reverse=True)[4:]
            for version in obsolete_versions:
                yield '{}:v{}'.format(image_name, version)


def parse_images(lines):
    images = defaultdict(list)

    for line in lines:
        try:
            image_name, version = line.split(' ')
            version_num = int(version.replace('v', ''))
            images[image_name].append(version_num)
        except ValueError:
            pass

    return images


def remove_image(image_name):
    try:
        subprocess.check_call(['docker', 'rmi', image_name])
    except subprocess.CalledProcessError as e:
        print(e.output)


def all_images():
    output = subprocess \
        .check_output(['./docker_image_versions.sh'], shell=True) \
        .decode('utf-8')

    lines = output.split('\n')
    return parse_images(lines)


if __name__ == '__main__':
    images = all_images()
    for image_name in find_obsolete_images(images):
        remove_image(image_name)


1			#!/usr/bin/env python
2			from collections import defaultdict
3			import subprocess
4			import os
5
6			KEEP_LAST_VERSIONS = int(os.environ.get('KEEP_LAST_VERSIONS', 4))
7
8
9			def find_obsolete_images(images):
10			for image_name, versions in images.items():
11			if len(versions) > KEEP_LAST_VERSIONS:
12			obsolete_versions = sorted(versions, reverse=True)[4:]
13			for version in obsolete_versions:
14			yield '{}:v{}'.format(image_name, version)
15
16
17			def parse_images(lines):
18			images = defaultdict(list)
19
20			for line in lines:
21			try:
22			image_name, version = line.split(' ')
23			version_num = int(version.replace('v', ''))
24			images[image_name].append(version_num)
25			except ValueError:
26			pass
27
28			return images
29
30
31			def remove_image(image_name):
32			try:
33			subprocess.check_call(['docker', 'rmi', image_name])
34			except subprocess.CalledProcessError as e:
35			print(e.output)
36
37
38			def all_images():
39			output = subprocess \
40			.check_output(['./docker_image_versions.sh'], shell=True) \
41			.decode('utf-8')
42
43			lines = output.split('\n')
44			return parse_images(lines)
45
46
47			if __name__ == '__main__':
48			images = all_images()
49			for image_name in find_obsolete_images(images):
50			remove_image(image_name)
51

dreipol / cleanup-deis-images

parse_images() A last analyzed 2016-06-20 15:22 UTC

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parse_images() A
last analyzed 2016-06-20 15:22 UTC