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kube_helpers.py
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kube_helpers.py
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import os
import time
from kubernetes import client, config
def get_all_pods(api, logs_required):
all_pod_names = list()
all_pods = api.list_pod_for_all_namespaces(watch=False)
for i in all_pods.items:
pod_name = i.metadata.name
for pod in logs_required:
if pod_name.startswith(pod):
all_pod_names.append(pod_name)
return all_pod_names
def get_logs(api, pod_name, duration=24):
logs = api.read_namespaced_pod_log(name=pod_name, namespace='default', since_seconds=3600 * duration)
return logs
def create_output_folder(filepath=None):
curr_time = time.strftime('%y%m%d%H%M')
if not filepath:
filepath = f'c:/temp'
if filepath.endswith('/'):
filepath = filepath.rstrip('/')
filepath = f'{filepath}/Logs_{curr_time}'
print(f'Logs folder: {filepath}')
if not os.path.exists(filepath):
os.mkdir(filepath)
return filepath
def write_log_to_file(logs, filename):
if not os.path.exists(os.path.dirname(filename)):
os.mkdir(os.path.dirname(filename))
with open(filename, 'w') as f:
print(logs, file=f)
def get_kube_api(config_file):
config.load_kube_config(config_file=config_file)
v1 = client.CoreV1Api()
return v1
def get_kube_logs(v1, all_pods, logs_required, DURATION, filepath):
for i in all_pods.items:
pod_name = i.metadata.name
for pod in logs_required:
if pod_name.startswith(pod):
curr_time = time.strftime('%y%m%d%H%M')
logs = v1.read_namespaced_pod_log(
name=pod_name, namespace='default', since_seconds=3600 * DURATION
)
filename = ''.join([w[0] for w in pod_name.split('-')])
filename = f'{filepath}/{filename}_{curr_time}.log'
write_log_to_file(logs, filename)