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assistedInstaller.py
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assistedInstaller.py
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from dataclasses import dataclass
import itertools
import time
import os
import json
from typing import Optional
import requests
from ailib import AssistedClient
import common
from logger import logger
import sys
@dataclass
class AssistedClientClusterInfo:
id: str
api_vip: str
@dataclass
class AssistedClientHostInfo:
status: str
inventory: str
class AssistedClientAutomation(AssistedClient): # type: ignore
def __init__(self, url: str):
super().__init__(url, quiet=True, debug=False)
def cluster_exists(self, name: str) -> bool:
return any(name == x["name"] for x in self.list_clusters())
def ensure_cluster_deleted(self, name: str) -> None:
logger.info(f"Ensuring that cluster {name} is not present")
while self.cluster_exists(name):
try:
self.delete_cluster(name)
except Exception:
logger.info("failed to delete cluster, will retry..")
time.sleep(5)
def ensure_infraenv_created(self, name: str, cfg: dict[str, str]) -> None:
if name not in (x["name"] for x in self.list_infra_envs()):
logger.info(f"Creating infraenv {name}")
self.create_infra_env(name, cfg)
def ensure_infraenv_deleted(self, name: str) -> None:
if name in (x["name"] for x in self.list_infra_envs()):
self.delete_infra_env(name)
@staticmethod
def delete_kubeconfig_and_secrets(name: str, kubeconfig_path: Optional[str]) -> None:
path, kubeconfig_path, downloaded_kubeconfig_path, downloaded_kubeadminpassword_path = common.kubeconfig_get_paths(name, kubeconfig_path)
try:
os.remove(kubeconfig_path)
except OSError:
pass
try:
os.remove(downloaded_kubeadminpassword_path)
except OSError:
pass
def download_kubeconfig_and_secrets(
self,
name: str,
kubeconfig_path: Optional[str],
*,
log: bool = True,
) -> tuple[str, str]:
path, kubeconfig_path, downloaded_kubeconfig_path, downloaded_kubeadminpassword_path = common.kubeconfig_get_paths(name, kubeconfig_path)
self.download_kubeconfig(name, path)
self.download_kubeadminpassword(name, path)
if downloaded_kubeconfig_path != kubeconfig_path:
# download_kubeconfig() does not support specifying the full path.
# The caller requested another name. Rename.
os.rename(downloaded_kubeconfig_path, kubeconfig_path)
if log:
logger.info(f"KUBECONFIG={kubeconfig_path}")
logger.info(f"KUBEADMIN_PASSWD={downloaded_kubeadminpassword_path}")
return kubeconfig_path, downloaded_kubeadminpassword_path
def download_iso_with_retry(self, infra_env: str, path: str = os.getcwd()) -> None:
logger.info(self.info_iso(infra_env, {}))
retries, timeout = 25, 30
logger.info(f"Download iso from {infra_env} to {path}, retrying for {retries * timeout}s")
for _ in range(retries):
try:
self.download_iso(infra_env, path)
break
except Exception:
time.sleep(timeout)
else:
logger.error(f"Failed to download the ISO after {retries} attempts")
def wait_cluster_ready(self, cluster_name: str) -> None:
logger.info("Waiting for cluster state to be ready")
cur_state = None
while True:
new_state = self.cluster_state(cluster_name)
if new_state != cur_state:
logger.info(f"Cluster state changed to {new_state}")
cur_state = new_state
if cur_state == "ready":
break
time.sleep(10)
def cluster_state(self, cluster_name: str) -> str:
matching_clusters = [x for x in self.list_clusters() if x["name"] == cluster_name]
if len(matching_clusters) == 0:
logger.error(f"Requested status of cluster '{cluster_name}' but couldn't find it")
sys.exit(-1)
elif len(matching_clusters) > 1:
logger.error(f"Unexpected number of matching clusters: {matching_clusters}")
sys.exit(-1)
elif "status" not in matching_clusters[0]:
logger.error(f"Status is missing for cluster {cluster_name}")
sys.exit(-1)
else:
s = matching_clusters[0]["status"]
if isinstance(s, str):
return s
else:
logger.error(f"Unexpected status: {s}")
sys.exit(-1)
def start_until_success(self, cluster_name: str) -> None:
self.wait_cluster_ready(cluster_name)
logger.info(f"Starting cluster {cluster_name} (will retry until success)")
for tries in itertools.count(0):
try:
self.start_cluster(cluster_name)
except Exception:
pass
cluster = list(filter(lambda e: e["name"] == cluster_name, self.list_clusters()))
status = cluster[0]["status"]
if status == "installing":
logger.info(f"Cluster {cluster_name} is in state installing")
break
time.sleep(10)
logger.info(f"Took {tries} tries to start cluster {cluster_name}")
def get_ai_host(self, name: str) -> Optional[AssistedClientHostInfo]:
for h in filter(lambda x: "inventory" in x, self.list_hosts()):
rhn = h["requested_hostname"]
if rhn == name:
return AssistedClientHostInfo(h["status"], h["inventory"])
return None
def get_ai_ip(self, name: str, ip_range: tuple[str, str]) -> Optional[str]:
ai_host = self.get_ai_host(name)
if ai_host:
inventory = json.loads(ai_host.inventory)
routes = inventory["routes"]
default_nics = [x['interface'] for x in routes if x['destination'] == '0.0.0.0']
for default_nic in default_nics:
nic_info = next(nic for nic in inventory.get('interfaces') if nic["name"] == default_nic)
addr = str(nic_info['ipv4_addresses'][0].split('/')[0])
if common.ip_range_contains(ip_range, addr):
return addr
return None
def allow_add_workers(self, cluster_name: str) -> None:
uuid = self.get_ai_cluster_info(cluster_name).id
requests.post(f"http://{self.url}/api/assisted-install/v2/clusters/{uuid}/actions/allow-add-workers")
def get_ai_cluster_info(self, cluster_name: str) -> AssistedClientClusterInfo:
cluster_info = self.info_cluster(cluster_name)
if not hasattr(cluster_info, "id"):
logger.error(f"ID is missing in cluster info for cluster {cluster_name}")
sys.exit(-1)
if not hasattr(cluster_info, "api_vips"):
logger.error(f"Missing api_vips in cluster info for cluster {cluster_name}")
sys.exit(-1)
if len(cluster_info.api_vips) == 0:
logger.error(f"Missing api vip in cluster info for cluster {cluster_name}")
sys.exit(-1)
return AssistedClientClusterInfo(cluster_info.id, cluster_info.api_vips[0].ip)