278 lines
12 KiB
Python
278 lines
12 KiB
Python
import subprocess
|
|
import re
|
|
import sys
|
|
import requests
|
|
import json
|
|
import asyncio
|
|
from typing import List, Tuple
|
|
|
|
import aiohttp
|
|
from flask import current_app
|
|
from time import sleep
|
|
from os.path import join
|
|
from subprocess import run
|
|
|
|
from capsulflask.db import get_model
|
|
from capsulflask.http_client import HTTPResult
|
|
from capsulflask.shared import VirtualizationInterface, VirtualMachine, OnlineHost, validate_capsul_id, my_exec_info_message
|
|
|
|
class MockHub(VirtualizationInterface):
|
|
def __init__(self):
|
|
self.default_network = "public1"
|
|
self.default_ipv4 = "1.1.1.1"
|
|
|
|
def capacity_avaliable(self, additional_ram_bytes):
|
|
return True
|
|
|
|
def get(self, id, get_ssh_host_keys):
|
|
validate_capsul_id(id)
|
|
|
|
if get_ssh_host_keys:
|
|
ssh_host_keys = json.loads("""[
|
|
{"key_type":"ED25519", "content":"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN8cna0zeKSKl/r8whdn/KmDWhdzuWRVV0GaKIM+eshh", "sha256":"V4X2apAF6btGAfS45gmpldknoDX0ipJ5c6DLfZR2ttQ"},
|
|
{"key_type":"RSA", "content":"ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCvotgzgEP65JUQ8S8OoNKy1uEEPEAcFetSp7QpONe6hj4wPgyFNgVtdoWdNcU19dX3hpdse0G8OlaMUTnNVuRlbIZXuifXQ2jTtCFUA2mmJ5bF+XjGm3TXKMNGh9PN+wEPUeWd14vZL+QPUMev5LmA8cawPiU5+vVMLid93HRBj118aCJFQxLgrdP48VPfKHFRfCR6TIjg1ii3dH4acdJAvlmJ3GFB6ICT42EmBqskz2MPe0rIFxH8YohCBbAbrbWYcptHt4e48h4UdpZdYOhEdv89GrT8BF2C5cbQ5i9qVpI57bXKrj8hPZU5of48UHLSpXG8mbH0YDiOQOfKX/Mt", "sha256":"ghee6KzRnBJhND2kEUZSaouk7CD6o6z2aAc8GPkV+GQ"},
|
|
{"key_type":"ECDSA", "content":"ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBLLgOoATz9R4aS2kk7vWoxX+lshK63t9+5BIHdzZeFE1o+shlcf0Wji8cN/L1+m3bi0uSETZDOAWMP3rHLJj9Hk=", "sha256":"aCYG1aD8cv/TjzJL0bi9jdabMGksdkfa7R8dCGm1yYs"}
|
|
]""")
|
|
return VirtualMachine(id, current_app.config["SPOKE_HOST_ID"], ipv4=self.default_ipv4, ssh_host_keys=ssh_host_keys)
|
|
|
|
return VirtualMachine(id, current_app.config["SPOKE_HOST_ID"], ipv4=self.default_ipv4)
|
|
|
|
def list_ids(self) -> list:
|
|
return get_model().all_non_deleted_vm_ids()
|
|
|
|
def create(self, email: str, id: str, os: str, size: str, template_image_file_name: str, vcpus: int, memory_mb: int, ssh_authorized_keys: list):
|
|
validate_capsul_id(id)
|
|
current_app.logger.info(f"mock create: {id} for {email}")
|
|
sleep(1)
|
|
get_model().create_vm(
|
|
email=email,
|
|
id=id,
|
|
size=size,
|
|
os=os,
|
|
host=current_app.config["SPOKE_HOST_ID"],
|
|
network_name=self.default_network,
|
|
public_ipv4=self.default_ipv4,
|
|
ssh_authorized_keys=list(map(lambda x: x["name"], ssh_authorized_keys)),
|
|
)
|
|
|
|
def destroy(self, email: str, id: str):
|
|
current_app.logger.info(f"mock destroy: {id} for {email}")
|
|
|
|
def vm_state_command(self, email: str, id: str, command: str):
|
|
current_app.logger.info(f"mock {command}: {id} for {email}")
|
|
|
|
|
|
class CapsulFlaskHub(VirtualizationInterface):
|
|
def synchronous_operation(self, hosts: List[OnlineHost], email: str, payload: str) -> List[HTTPResult]:
|
|
return self.generic_operation(hosts, email, payload, True)[1]
|
|
|
|
def asynchronous_operation(self, hosts: List[OnlineHost], email: str, payload: str) -> Tuple[int, List[HTTPResult]]:
|
|
return self.generic_operation(hosts, email, payload, False)
|
|
|
|
def generic_operation(self, hosts: List[OnlineHost], email: str, payload: str, immediate_mode: bool) -> Tuple[int, List[HTTPResult]]:
|
|
|
|
url_path = "/spoke/operation"
|
|
operation_id = None
|
|
if not immediate_mode:
|
|
if not email or email == "":
|
|
raise ValueError("can't create_operation in the db cuz no email was provided")
|
|
operation_id = get_model().create_operation(hosts, email, payload)
|
|
url_path = f"/spoke/operation/{operation_id}"
|
|
|
|
authorization_header = f"Bearer {current_app.config['HUB_TOKEN']}"
|
|
results = current_app.config["HTTP_CLIENT"].do_multi_http_sync(hosts, url_path, payload, authorization_header=authorization_header)
|
|
|
|
for i in range(len(hosts)):
|
|
host = hosts[i]
|
|
result = results[i]
|
|
assignment_status = "pending"
|
|
if result.status_code == -1:
|
|
assignment_status = "no_response_from_host"
|
|
if result.status_code != 200:
|
|
assignment_status = "error_response_from_host"
|
|
else:
|
|
valid_statuses = {
|
|
"assigned": True,
|
|
"not_applicable": True,
|
|
"assigned_to_other_host": True,
|
|
}
|
|
result_is_json = False
|
|
result_is_dict = False
|
|
result_has_status = False
|
|
result_has_valid_status = False
|
|
assignment_status = "invalid_response_from_host"
|
|
error_message = ""
|
|
try:
|
|
result_body = json.loads(result.body)
|
|
result_is_json = True
|
|
result_is_dict = isinstance(result_body, dict)
|
|
result_has_status = result_is_dict and 'assignment_status' in result_body
|
|
result_has_valid_status = result_has_status and result_body['assignment_status'] in valid_statuses
|
|
if result_has_valid_status:
|
|
assignment_status = result_body['assignment_status']
|
|
if result_is_dict and "error_message" in result_body:
|
|
error_message = result_body['error_message']
|
|
except:
|
|
pass
|
|
|
|
if not result_has_valid_status:
|
|
operation_desc = ""
|
|
if operation_id:
|
|
operation_desc = f"for operation {operation_id}"
|
|
current_app.logger.error(f"""error reading assignment_status {operation_desc} from host {host.id}:
|
|
result_is_json: {result_is_json}
|
|
result_is_dict: {result_is_dict}
|
|
result_has_status: {result_has_status}
|
|
result_has_valid_status: {result_has_valid_status}
|
|
error_message: {error_message}
|
|
"""
|
|
)
|
|
|
|
if not immediate_mode:
|
|
get_model().update_host_operation(host.id, operation_id, assignment_status, None)
|
|
|
|
return (operation_id, results)
|
|
|
|
def capacity_avaliable(self, additional_ram_bytes):
|
|
online_hosts = get_model().get_online_hosts()
|
|
payload = json.dumps(dict(type="capacity_avaliable", additional_ram_bytes=additional_ram_bytes))
|
|
results = self.synchronous_operation(online_hosts, None, payload)
|
|
for result in results:
|
|
try:
|
|
result_body = json.loads(result.body)
|
|
if isinstance(result_body, dict) and 'capacity_avaliable' in result_body and result_body['capacity_avaliable'] == True:
|
|
return True
|
|
except:
|
|
pass
|
|
|
|
return False
|
|
|
|
|
|
def get(self, id, get_ssh_host_keys) -> VirtualMachine:
|
|
validate_capsul_id(id)
|
|
host = get_model().host_of_capsul(id)
|
|
if host is not None:
|
|
payload = json.dumps(dict(type="get", id=id, get_ssh_host_keys=get_ssh_host_keys))
|
|
results = self.synchronous_operation([host], None, payload)
|
|
for result in results:
|
|
try:
|
|
result_body = json.loads(result.body)
|
|
if isinstance(result_body, dict) and ('state' in result_body):
|
|
return VirtualMachine(id, host=host, state=result_body['state'], ipv4=result_body['ipv4'], ipv6=result_body['ipv6'], ssh_host_keys=result_body['ssh_host_keys'])
|
|
except:
|
|
pass
|
|
|
|
return None
|
|
|
|
def list_ids(self) -> list:
|
|
online_hosts = get_model().get_online_hosts()
|
|
payload = json.dumps(dict(type="list_ids"))
|
|
results = self.synchronous_operation(online_hosts, None, payload)
|
|
to_return = []
|
|
for i in range(len(results)):
|
|
host = online_hosts[i]
|
|
result = results[i]
|
|
try:
|
|
result_body = json.loads(result.body)
|
|
if isinstance(result_body, dict) and 'ids' in result_body and isinstance(result_body['ids'], list):
|
|
all_valid = True
|
|
for id in result_body['ids']:
|
|
try:
|
|
validate_capsul_id(id)
|
|
to_return.append(id)
|
|
except:
|
|
all_valid = False
|
|
if not all_valid:
|
|
current_app.logger.error(f"""error reading ids for list_ids operation, host {host.id}""")
|
|
else:
|
|
result_json_string = json.dumps({"error_message": "invalid response, missing 'ids' list"})
|
|
current_app.logger.error(f"""missing 'ids' list for list_ids operation, host {host.id}""")
|
|
except:
|
|
# no need to do anything here since if it cant be parsed then generic_operation will handle it.
|
|
pass
|
|
|
|
return to_return
|
|
|
|
def create(self, email: str, id: str, os: str, size: str, template_image_file_name: str, vcpus: int, memory_mb: int, ssh_authorized_keys: list):
|
|
validate_capsul_id(id)
|
|
online_hosts = get_model().get_online_hosts()
|
|
current_app.logger.debug(f"hub_model.create(): ${len(online_hosts)} hosts")
|
|
payload = json.dumps(dict(
|
|
type="create",
|
|
email=email,
|
|
id=id,
|
|
os=os,
|
|
size=size,
|
|
template_image_file_name=template_image_file_name,
|
|
vcpus=vcpus,
|
|
memory_mb=memory_mb,
|
|
ssh_authorized_keys=ssh_authorized_keys,
|
|
))
|
|
op = self.asynchronous_operation(online_hosts, email, payload)
|
|
operation_id = op[0]
|
|
results = op[1]
|
|
number_of_assigned = 0
|
|
error_message = ""
|
|
assigned_hosts = []
|
|
for i in range(len(results)):
|
|
host = online_hosts[i]
|
|
result = results[i]
|
|
try:
|
|
result_body = json.loads(result.body)
|
|
if isinstance(result_body, dict) and 'assignment_status' in result_body and result_body['assignment_status'] == "assigned":
|
|
number_of_assigned += 1
|
|
assigned_hosts.append(host.id)
|
|
if isinstance(result_body, dict) and 'error_message' in result_body:
|
|
error_message = result_body['error_message']
|
|
except:
|
|
# no need to do anything here since if it cant be parsed then generic_operation will handle it.
|
|
pass
|
|
|
|
if number_of_assigned != 1:
|
|
assigned_hosts_string = ", ".join(assigned_hosts)
|
|
raise ValueError(f"expected create capsul operation {operation_id} to be assigned to one host, it was assigned to {number_of_assigned} ({assigned_hosts_string})")
|
|
if error_message != "":
|
|
raise ValueError(f"create capsul operation {operation_id} on {assigned_hosts_string} failed with {error_message}")
|
|
|
|
|
|
def destroy(self, email: str, id: str):
|
|
validate_capsul_id(id)
|
|
result_status = None
|
|
host = get_model().host_of_capsul(id)
|
|
if host is not None:
|
|
payload = json.dumps(dict(type="destroy", email=email, id=id))
|
|
results = self.synchronous_operation([host], email, payload)
|
|
result_json_string = "<no response from host>"
|
|
for result in results:
|
|
try:
|
|
result_json_string = result.body
|
|
result_body = json.loads(result_json_string)
|
|
if isinstance(result_body, dict) and 'status' in result_body:
|
|
result_status = result_body['status']
|
|
except:
|
|
pass
|
|
|
|
if not result_status == "success":
|
|
raise ValueError(f"""failed to destroy vm "{id}" on host "{host.id}" for {email}: {result_json_string}""")
|
|
|
|
|
|
def vm_state_command(self, email: str, id: str, command: str):
|
|
validate_capsul_id(id)
|
|
result_status = None
|
|
host = get_model().host_of_capsul(id)
|
|
if host is not None:
|
|
payload = json.dumps(dict(type="vm_state_command", email=email, id=id, command=command))
|
|
results = self.synchronous_operation([host], email, payload)
|
|
result_json_string = "<no response from host>"
|
|
for result in results:
|
|
try:
|
|
result_json_string = result.body
|
|
result_body = json.loads(result_json_string)
|
|
if isinstance(result_body, dict) and 'status' in result_body:
|
|
result_status = result_body['status']
|
|
except:
|
|
pass
|
|
|
|
if not result_status == "success":
|
|
raise ValueError(f"""failed to {command} vm "{id}" on host "{host.id}" for {email}: {result_json_string}""")
|