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Allow setup of docker remote connections

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This commit is contained in:
Thomas Steinbach 2015-12-04 03:24:44 +01:00
parent 8f69ba0933
commit 349fb42f54
2 changed files with 17 additions and 12 deletions
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24
lib/ansible/plugins/connection/docker.py
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@ -69,12 +69,15 @@ class Connection(ConnectionBase):
# root.
if 'docker_command' in kwargs:
self.docker_cmd = kwargs['docker_command']
self.docker_cmd = [kwargs['docker_command']]
else:
self.docker_cmd = distutils.spawn.find_executable('docker')
if not self.docker_cmd:
self.docker_cmd = [distutils.spawn.find_executable('docker')]
if not self.docker_cmd[0]:
raise AnsibleError("docker command not found in PATH")
if play_context.connection_args:
self.docker_cmd = self.docker_cmd + play_context.connection_args.split(' ')
self.can_copy_bothways = False
docker_version = self._get_docker_version()
@ -91,7 +94,7 @@ class Connection(ConnectionBase):
def _get_docker_version(self):
cmd = [self.docker_cmd, 'version']
cmd = self.docker_cmd + ['version']
cmd_output = subprocess.check_output(cmd)
for line in cmd_output.split('\n'):
@ -99,10 +102,7 @@ class Connection(ConnectionBase):
return self._sanitize_version(line.split()[2])
# no result yet, must be newer Docker version
new_docker_cmd = [
self.docker_cmd,
'version', '--format', "'{{.Server.Version}}'"
]
new_docker_cmd = self.docker_cmd + ['version', '--format', "'{{.Server.Version}}'"]
cmd_output = subprocess.check_output(new_docker_cmd)
@ -123,7 +123,7 @@ class Connection(ConnectionBase):
executable = C.DEFAULT_EXECUTABLE.split()[0] if C.DEFAULT_EXECUTABLE else '/bin/sh'
# -i is needed to keep stdin open which allows pipelining to work
local_cmd = [self.docker_cmd, "exec", '-i', self._play_context.remote_addr, executable, '-c', cmd]
local_cmd = self.docker_cmd + ["exec", '-i', self._play_context.remote_addr, executable, '-c', cmd]
display.vvv("EXEC %s" % (local_cmd), host=self._play_context.remote_addr)
p = subprocess.Popen(local_cmd, shell=False, stdin=subprocess.PIPE,
@ -158,7 +158,7 @@ class Connection(ConnectionBase):
if self.can_copy_bothways:
# only docker >= 1.8.1 can do this natively
args = [ self.docker_cmd, "cp", in_path, "%s:%s" % (self._play_context.remote_addr, out_path) ]
args = self.docker_cmd + ["cp", in_path, "%s:%s" % (self._play_context.remote_addr, out_path) ]
p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = p.communicate()
if p.returncode != 0:
@ -168,7 +168,7 @@ class Connection(ConnectionBase):
# Older docker doesn't have native support for copying files into
# running containers, so we use docker exec to implement this
executable = C.DEFAULT_EXECUTABLE.split()[0] if C.DEFAULT_EXECUTABLE else '/bin/sh'
args = [self.docker_cmd, "exec", "-i", self._play_context.remote_addr, executable, "-c",
args = self.docker_cmd + ["exec", "-i", self._play_context.remote_addr, executable, "-c",
"dd of={0} bs={1}".format(out_path, BUFSIZE)]
with open(in_path, 'rb') as in_file:
try:
@ -191,7 +191,7 @@ class Connection(ConnectionBase):
# file path
out_dir = os.path.dirname(out_path)
args = [self.docker_cmd, "cp", "%s:%s" % (self._play_context.remote_addr, in_path), out_dir]
args = self.docker_cmd + ["cp", "%s:%s" % (self._play_context.remote_addr, in_path), out_dir]
p = subprocess.Popen(args, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)