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autoqube-kubernetes-1.0.2
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مشاهده بیشترتوضیحات
Kubernetes Handler module for AUTOQUBE load testing
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | autoqube-kubernetes-1.0.2 |
| نام | autoqube-kubernetes |
| نسخه کتابخانه | 1.0.2 |
| نگهدارنده | ['CloudFxLabs'] |
| ایمیل نگهدارنده | ['gswaroop@cloudfxlabs.io'] |
| نویسنده | CloudFxLabs |
| ایمیل نویسنده | gswaroop@cloudfxlabs.io |
| آدرس صفحه اصلی | https://gitlab.com/autoqube/aq-kubernetes |
| آدرس اینترنتی | https://pypi.org/project/autoqube-kubernetes/ |
| مجوز | BSD 3 |
python-autoqube_kubernetes
==========================
This library contains:
- Objects for
* Creating, updating and deleting a Kubernetes cluster.
* Deploying various objects on Kubernetes cluster.
* Running Jmeter Load tests on Kubernetes cluster.
**Table of Contents**
.. contents::
:backlinks: none
:local:
Installation
------------
python-autoqube_kubernetes is compatible with Python 3.x. It is listed on `PyPi as 'autoqube_kubernetes'`_. The recommended way to install is via pip_:
.. code::
pip install autoqube_kubernetes
.. _PyPi as 'autoqube_kubernetes': https://pypi.python.org/pypi/autoqube_kubernetes/
.. _pip: http://www.pip-installer.org
Prerequisites
-------------
- **kops**: kops is a command line utility tool required to manage kubernetes cluster. The installation information is available at `kops installation`_.
- **kubectl**: kubectl is a command line utility tool required to manage various objects on existing kubernetes cluster. The installation information is available at `kubectl installation`_.
- **dns-zone**: A public hosted zone should be created for AWS which would be the same as the name of the cluster. Please refer `creating dns-zone`_.
.. _kops installation: https://github.com/kubernetes/kops/blob/master/docs/install.md
.. _kubectl installation: https://kubernetes.io/docs/tasks/tools/install-kubectl/
.. _creating dns-zone: https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/CreatingHostedZone.html
KubernetesHandler
-----------------
KubernetesHandler object will create, delete cluster and run load tests.
Kubernetes cluster
~~~~~~~~~~~~~~~~~~
Currently the cluster creation is supported only on AWS cloud platform.
For creating a new Kubernetes cluster, the following parameters are needed:
- cloud_provider : The cloud provider on which the cluster needs to be created.
- cluster_config : The configuration details for the cluster.
- env_config : The environment configuration for storage of cloud provider essential keys.
A typical cluster configuration file would be like
.. code-block:: python
config = {
"cloud_provider": "AWS",
"cluster_config": {
'node-count': 2,
'master-size': 't2.small',
'master-zones': 'us-west-2a',
'zones': 'us-west-2a',
'name': 'aq.autoqube.io',
'node-size': 't2.small',
'ssh-public-key': '/Users/autoqube/.ssh/id_rsa.pub',
'dns-zone': 'aq.autoqube.io',
},
"env_config": {
'AWS_ACCESS_KEY_ID': '*********************',
'AWS_SECRET_ACCESS_KEY': '***********************',
'AWS_REGION': 'us-west-2',
'KUBECONFIG': '/Users/autoqube/kubernetes/aq.autoqube.io/kubeconfig',
'KOPS_STATE_STORE': 's3://agent-kops-store'
},
}
*For better understanding or debugging of various processes running behind, setup a logging functionality.*
.. code-block:: python
from autoqube_kubernetes import KubernetesHandler
import config
import logging
root_logger = logging.getLogger()
console_handler = logging.StreamHandler()
root_logger.setLevel(logging.INFO)
root_logger.addHandler(console_handler)
kubernetes_handler = KubernetesHandler(config)
kubernetes_handler.create_cluster() # Creation of cluster with the above configuration.
# kubeconfig will be stored in the path specified in the configuration.
kubernetes_handler.delete_cluster() # Deletion of cluster with the above configuration.
Load Testing
~~~~~~~~~~~~
- Currently only 'jmeter' load testing is supported on kubernetes cluster.
- Load testing using jmeter on a kubernetes cluster has been inspired from the following `blog`_.
- The results of the load test can be visually seen on grafana service dashboards.
- The templates for deployment of various kubernetes objects required for jmeter load testing can be downloaded from `Jmeter Load Test Templates`_.
- Extract the downloaded templates and place them in location accessible by python.
- The following parameters are needed for load testing
* load_config - The configuration details about type of load test and the templates for kubernetes objects.
* test_file_config - The configuration details about the test files for load test.
A sample configuration would be like
.. code-block:: python
load_config = {
'test_type': 'jmeter',
'templates_path': '/Users/autoqube/kubernetes/load_testing/k8s_templates/jmeter/'
}
test_file_config = {
'test_files': ['./tmp/sample.jmx', './tmp/sample.csv']
}
.. _blog: https://blog.kubernauts.io/load-testing-as-a-service-with-jmeter-on-kubernetes-fc5288bb0c8b
.. _Jmeter Load Test Templates: https://drive.google.com/file/d/1egtHVMALE3FzwFZ6OJO9ZiR678mvvaaY/
KubernetesHandler will create the necessary objects on cluster and run load tests.
.. code-block:: python
# After creation of kubernetes cluster using 'kubernetes_handler'.
kubernetes_handler.create_load_test(load_config)
# Creates pods, deployments, services and other objects required for
# load testing on cluster.
kubernetes_handler.run_load_test(test_file_config)
# Run load tests using the test files provided in the configuration
kubernetes_handler.destroy_load_test(load_config)
# Once the tests are complete, all the resources created can be destroyed
# and only empty cluster will remain.
KubernetesClient
----------------
KubernetesClient can be used to perform various actions on existing cluster like:
* Creating objects from yaml files
* Destroying resources on cluster
* Listing all the pods and services on cluster
* Executing commands on a specific pod
* Copy files to a specific pod
kubeconfig of a cluster is required.
.. code-block:: python
from autoqube_kubernetes import KubernetesClient
kubernetes_client = KubernetesClient('/path/to/kubeconfig')
namespace = 'autoqube' # Namespace on which the operations are to be performed.
kubernetes_client.create_object('/path/to/yaml', namespace) # Creates object from yaml file.
kubernetes_client.get_pod_list(namespace) # Lists all the pods.
kubernetes_client.get_service_list(namespace) # Lists all the services.
podname = 'autoqube-jmeter'
commands_list = ['cd ~', 'ls']
kubernetes_client.execute_commands(podname, commands_list, namespace) # Executes the commands on a specific pod.
kubernetes_client.destroy_all_resources(namespace) # Destroys all resources in a given namespace.
نیازمندی
| مقدار | نام |
|---|---|
| - | kubernetes |
| - | pymongo |
| - | pyyaml |
نحوه نصب
نصب پکیج whl autoqube-kubernetes-1.0.2:
pip install autoqube-kubernetes-1.0.2.whl
نصب پکیج tar.gz autoqube-kubernetes-1.0.2:
pip install autoqube-kubernetes-1.0.2.tar.gz