def execute(cid, username, cmds):
"""在容器所在 Docker 主机上执行命令
:param str cid: The container uuid
:param list cmds: List of commands to execute
"""
# 获取容器的详细信息
s_inspect, m_inspect, r_inspect = inspect.inspect(cid)
if s_inspect != 200:
return (s_inspect, m_inspect, r_inspect)
# 判断容器是否在当前主机上
node = r_inspect["Node"]['IP']
if node == NODE_IP:
return execute_extend(cid, username, cmds)
else:
params = {
"action": "Extend:HostExecuteExtend",
"params": {
"cid": cid,
"cmds": cmds,
"username": username
}
}
r = requests.post(url="http://%s:8000/api/v1" % node,
headers=TOKEN_HEADERS,
data=json.dumps(params))
s = r.status_code
if s != 200:
return (s, r.text, "")
return (s, r.json()["message"], r.json()["data"])
def delete(username, cid, reset=False):
"""删除容器
在容器所在主机上删除 Redis 中的 URL 地址, 卸载用户容器存储, unmap rbd image
:param str username: Fuvism user name
:param str cid: The container uuid
:param bool reset:
reset is true, clear container data in ceph rbd
"""
# 获取容器的详细信息
s_inspect, m_inspect, r_inspect = inspect.inspect(cid)
if s_inspect != 200:
return (s_inspect, m_inspect, r_inspect)
# 判断容器是否在当前主机上
node = r_inspect["Node"]["IP"]
if node == NODE_IP:
return delete_extend(username, cid, reset)
else:
params = {"action": "Extend:ContainerDeleteExtend",
"params": {"cid": cid, "reset": reset, "username": username}}
r = requests.post(url="http://%s:8000/api/v1" % node,
headers=TOKEN_HEADERS,
data=json.dumps(params))
s = r.status_code
if s != 200:
return (s, r.text, "")
return (s, r.json()["message"], r.json()["data"])
def write_files(files, username, cid=None):
"""为 Docker 主机或容器里写入文件内
:param dict files:
e.g.: {"/etc/hosts": "",
"/tmp/test.txt": "the test.txt default content."}
:param str or None cid: The container uuid
cid is str: 为容器里的文件写入内容
cid is None: 为当前主机的文件写入内容
"""
if cid:
# 获取容器的详细信息
s_inspect, m_inspect, r_inspect = inspect.inspect(cid)
if s_inspect != 200:
return (s_inspect, m_inspect, r_inspect)
# 判断容器是否在当前主机上
pid = r_inspect['State']['Pid']
node = r_inspect["Node"]['IP']
if node == NODE_IP:
return write_files_extend(files, username, pid)
else:
params = {
"action": "Extend:WriteFilesExtend",
"params": {
"pid": pid,
"files": files,
"username": username
}
}
r = requests.post(url="http://%s:8000/api/v1" % node,
headers=TOKEN_HEADERS,
data=json.dumps(params))
s = r.status_code
if s != 200:
return (s, r.text, "")
return (s, r.json()["message"], r.json()["data"])
else:
return write_files_extend(files)
def fd_check(cid, fds):
"""在容器所在 Docker 主机上检测文件、目录是否创建
:param str cid: The container uuid
:param list fds: 要检测的数据结构
e.g.: [
{"type": "dir", "name": "/some/dirname"},
{"type": "file", "name": "/some/filename"}
]
"""
# 获取容器的详细信息
s_inspect, m_inspect, r_inspect = inspect.inspect(cid)
if s_inspect != 200:
return (s_inspect, m_inspect, r_inspect)
# 判断容器是否在当前主机上
pid = r_inspect["State"]["Pid"]
node = r_inspect["Node"]["IP"]
if node == NODE_IP:
return fd_check_extend(cid, fds, pid)
else:
params = {
"action": "Extend:HostFdCheckExtend",
"params": {
"cid": cid,
"fds": fds,
"pid": pid
}
}
r = requests.post(url="http://%s:8000/api/v1" % node,
headers=TOKEN_HEADERS,
data=json.dumps(params))
s = r.status_code
if s != 200:
return (s, r.text, "")
return (s, r.json()["message"], r.json()["data"])