Created
January 8, 2021 13:54
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Clean unused docker images in the past x days
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#! /usr/bin/env python | |
# -*- coding: utf-8 -*- | |
# python2.7 | |
# ORIGINAL: https://gist.github.com/anjia0532/4a7fee95fd28d17f67412f48695bb6de | |
from requests import Request, Session | |
from requests.exceptions import RequestException | |
from datetime import datetime,timedelta | |
import urllib3 | |
import base64 | |
import json | |
import sys | |
############################################################## | |
username = 'USERNAME' | |
password = 'PASSWORD' | |
nexusHost = 'https://host' | |
repoName = 'docker-releases' | |
days = 300 ## Number of days | |
############################################################## | |
headers = { | |
'content-type': 'application/json' | |
} | |
loginUrl = '%s/service/rapture/session' % nexusHost | |
directUrl = '%s/service/extdirect' % nexusHost | |
s = Session() | |
s.verify = False | |
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning) | |
def post(url,headers={},data = {}): | |
response = s.post(url,headers = headers,data=data) | |
try: | |
response.raise_for_status() | |
except RequestException as e: | |
print e | |
return None | |
if 'content-type' in response.headers and "application/json" in response.headers["content-type"]: | |
respJson = response.json() | |
if respJson and respJson.get("result",{"success":False}).get("success",False): | |
return respJson["result"] | |
else: | |
return None | |
return response.text | |
def signIn(): | |
return post(url = loginUrl, data = { | |
"username": base64.b64encode(username), | |
"password": base64.b64encode(password) | |
}) != None | |
# docker image list | |
def getList(page=1,start=0,limit=300): | |
imgList = post(url = directUrl, headers = headers, data = json.dumps({ | |
"action": "coreui_Component", | |
"method": "read", | |
"data": [{ | |
"page": page, | |
"start": start, | |
"limit": limit, | |
"sort": [{ | |
"property": "name", | |
"direction": "ASC" | |
}, { | |
"property": "version", | |
"direction": "ASC" | |
}], | |
"filter": [{ | |
"property": "repositoryName", | |
"value": repoName | |
}] | |
}], | |
"type": "rpc", | |
"tid": 5 | |
})) | |
if not imgList : return None | |
# get all image list | |
if len(imgList["data"])==limit: | |
tmpList = getList(page=page+1,start=limit*page,limit=limit) | |
if tmpList and tmpList.get("data",False): | |
tmpList["data"].extend(imgList["data"]) | |
return tmpList | |
return imgList | |
# get image details(e.g. last download datetime) | |
def getImgInfo(page=1,start=0,limit=300,imgId=None,name=None,version=None,repo=repoName): | |
if not imgId or not name or not version or not repo: return None | |
imgInfo = post(directUrl, headers = headers, data = json.dumps({ | |
"action": "coreui_Component", | |
"method": "readComponentAssets", | |
"data": [{ | |
"page": page, | |
"start": start, | |
"limit": limit, | |
"filter": [{ | |
"property": "repositoryName", | |
"value": repo | |
}, { | |
"property": "componentId", | |
"value": imgId | |
}, { | |
"property": "componentName", | |
"value": name | |
}, { | |
"property": "componentVersion", | |
"value": version | |
}] | |
}], | |
"type": "rpc", | |
"tid": 9 | |
})) | |
if not imgInfo or "data" not in imgInfo: | |
return None | |
return imgInfo["data"] | |
# purge expire image | |
def purgeExpire(data=None,name=None,version=None): | |
if not data or not name or not version: | |
return None | |
for item in data: | |
lastDown = datetime.strptime(item["lastDownloaded"][0:19],'%Y-%m-%dT%H:%M:%S') | |
diffDays = (datetime.now() - lastDown).days | |
if diffDays > days: | |
result = post(directUrl, headers = headers, data = json.dumps({ | |
"action": "coreui_Component", | |
"method": "deleteComponent", | |
"data": [item["componentId"], item["repositoryName"]], | |
"type": "rpc", | |
"tid": 64 | |
})) | |
print "%s:%s lastest downloaded is %s(more than %s days), delete result %s" %(name,version,lastDown,days,json.dumps(result)) | |
# print "%s:%s lastest downloaded is %s(more than %s days)" %(name,version,lastDown,days) | |
# sign in | |
if not signIn(): | |
print 'failed to sign in' | |
sys.exit(1) | |
# get all image list | |
imgList=getList() | |
if not imgList: | |
print 'failed to get images list' | |
sys.exit(1) | |
data = imgList["data"] | |
for item in data: | |
imgInfo = getImgInfo(imgId=item["id"],name=item["name"],version=item["version"],repo=item["repositoryName"]) | |
purgeExpire(data=imgInfo,name=item["name"],version=item["version"]) |
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