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b4dcdbc905
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1 changed files with 69 additions and 17 deletions
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@ -1,10 +1,11 @@
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from subprocess import getoutput
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from subprocess import getoutput, getstatusoutput
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import pprint
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import pprint
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import os
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class NoContainersError(Exception):
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class NoContainersError(Exception):
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pass
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pass
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class DockerParser:
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class Docker:
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def ps(raw_info=getoutput('docker ps')):
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def ps(raw_info=getoutput('docker ps')):
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"""
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"""
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Gets info about all running Docker containers from docker ps
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Gets info about all running Docker containers from docker ps
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@ -43,7 +44,7 @@ class DockerParser:
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return info
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return info
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def containers_info(raw_info=getoutput('docker container list')):
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def container_list(raw_info=getoutput('docker container list')):
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"""
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"""
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Gets info about all the Docker containers
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Gets info about all the Docker containers
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:return: Nested dict of containers info
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:return: Nested dict of containers info
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@ -53,15 +54,12 @@ class DockerParser:
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raw_info = getoutput('docker container list')
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raw_info = getoutput('docker container list')
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# Header: "CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES" (with way more spaces)
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# Header: "CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES" (with way more spaces)
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header = raw_info[:raw_info.find('\n')+1]
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header = raw_info[:raw_info.find('\n')+1]
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header_temp = header
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header_indices = {'CONTAINER ID': header.find('CONTAINER ID'), 'IMAGE': header.find('IMAGE'),
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header_indices = {}
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'COMMAND': header.find('COMMAND'), 'CREATED': header.find('CREATED'), 'STATUS': header.find('STATUS'),
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while ' ' in header_temp: # Split header
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'PORTS': header.find('PORTS'), 'NAMES': header.find('NAMES')}
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temp = header_temp[header_temp.rfind(' ')+2:].strip()
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header_indices[temp] = header.find(temp)
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header_temp = header_temp[:header_temp.rfind(' ')].strip()
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header_indices[header[:header.find(' ')]] = 0
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raw_info = raw_info[raw_info.find('\n')+1:] # Remove header (example above)
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# Remove header (example above)
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raw_info = raw_info[raw_info.find('\n')+1:]
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info = {}
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info = {}
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# Find container names
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# Find container names
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@ -72,15 +70,69 @@ class DockerParser:
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# Fill in info
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# Fill in info
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for i in range(len(containers)):
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for i in range(len(containers)):
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info[containers[i]] = {}
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info[containers[i]] = {}
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for column in header_indices:
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header_indices_keys = list(header_indices)
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end_i = header_indices[column] + len(column)
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for j in range(len(header_indices_keys)): # TODO: Fix
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info[containers[i]][column] = raw_info[i][header_indices[column]:end_i]
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start_i = header_indices[header_indices_keys[j]]
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if j+1 != len(header_indices):
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end_i = header_indices[header_indices_keys[j+1]]
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else:
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end_i = len(header)
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info[containers[i]][header_indices_keys[j]] = \
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raw_info.split('\n')[i][start_i:end_i].strip()
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return info
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return info
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def compose(dir):
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"""
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Composes whatever is in dir
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:parameters:
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dir: The directory of a container; must contain docker-compose.yml file
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:returns:
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tuple: (exit_code, compose_output)
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"""
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cwd = os.getcwd()
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os.chdir(dir)
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status = getstatusoutput('docker ps')
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os.chdir(cwd)
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return status
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def start(container):
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"""
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Starts a container
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:parameters:
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container: The name of the container to start
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:returns:
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int: The exit code of docker start
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"""
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return getstatusoutput(f'docker start {container}')[0]
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def stop(container):
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"""
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Stops a container
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:parameters:
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container: The name of the container to stop
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:returns:
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int: The exit code of docker stop
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"""
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return getstatusoutput(f'docker stop {container}')[0]
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def rm(container):
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"""
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Deletes a container
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:parameters:
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container: The name of the container to remove
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:returns:
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int: The exit code of docker rm
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"""
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return getstatusoutput(f'docker rm {container}')[0]
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if __name__ == '__main__':
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if __name__ == '__main__':
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try:
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try:
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pprint.pprint(DockerParser.containers_info())
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pprint.pprint(Docker.containers_info())
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except NoContainersError as e:
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except NoContainersError as e:
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print(e)
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print(e)
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