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paradigm_aws.py
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paradigm_aws.py
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import argparse
import yaml
import docker
import os
import shutil
import sys
import subprocess
import json
import base64
import boto3
from halo import Halo
from datetime import datetime
from operator import itemgetter
# Get current date and time
now = datetime.now()
timestamp = now.strftime("%Y%m%d%H%M%S")
spinner = Halo(text='⚡ Processing...', spinner='dots12')
def convert_ipynb_to_py(input_file, step):
output_file = f"./{step}/" + os.path.splitext(input_file)[0] + ".py"
with open(input_file, "r", encoding="utf-8") as file:
notebook = json.load(file)
with open(output_file, "w", encoding="utf-8") as output:
for cell in notebook["cells"]:
if cell["cell_type"] == "code":
code = "".join(cell["source"])
output.write(code)
output.write("\n\n")
def get_latest_image_tag(repository_name):
# Boto3 will automatically use the AWS credentials configured by the AWS CLI
session = boto3.Session()
# Initialize the ECR client
ecr = session.client('ecr')
# Define the repository name
repository_name = repository_name
# Get the image details
response = ecr.describe_images(
repositoryName=repository_name,
filter={
'tagStatus': 'TAGGED'
}
)
# Sort the image details by creation time in descending order
images = sorted(
response['imageDetails'],
key=itemgetter('imagePushedAt'),
reverse=True
)
# Get the tags of the latest image
latest_image_tags = images[0]['imageTags']
# Return the most recent tag
return latest_image_tags[0]
def build_and_push_docker_image(step, region_name):
client = docker.from_env()
# Create step directory if not exists
step_dir = f"./{step}"
if not os.path.exists(step_dir):
os.mkdir(step_dir)
# Copy Python file and requirements.txt to step directory
# also convert any notebook to a python script
if os.path.exists(f"{step}.ipynb"):
convert_ipynb_to_py(f"{step}.ipynb", step)
else:
shutil.copy(f"{step}.py", step_dir)
# if no requirements for a file, create an empty requirements file
if os.path.exists(f"requirements.{step}"):
shutil.copy(f"requirements.{step}", step_dir)
else:
with open(f"{step_dir}/" + f"requirements.{step}", "w") as file:
file.write("")
# Rename requirements.txt in step directory
os.rename(f"{step_dir}/requirements.{step}", f"{step_dir}/requirements.txt")
# Generate Dockerfile
dockerfile_content = f"""\
FROM python:3.9
WORKDIR /app
COPY ./{step}.py /app
COPY ./requirements.txt /app
RUN pip3 install --no-cache-dir -r requirements.txt
CMD ["python", "./{step}.py"]
"""
dockerfile_path = f"{step_dir}/Dockerfile"
with open(dockerfile_path, "w") as dockerfile:
dockerfile.write(dockerfile_content)
session = boto3.Session(
region_name=region_name,
)
# Initialize the ECR client
ecr_client = session.client('ecr')
# Create the repository
try:
response = ecr_client.create_repository(repositoryName=f"{step}")
except ecr_client.exceptions.RepositoryAlreadyExistsException:
pass
# Get authorization token
response = ecr_client.get_authorization_token()
username, password = base64.b64decode(response['authorizationData'][0]['authorizationToken']).decode().split(':')
registry = str(response['authorizationData'][0]['proxyEndpoint']).split('//')[1]
print(f"Reterived registry name - {registry}")
# Login to ECR
client.login(username, password, registry=registry, reauth=True)
image_tag = f"{registry}/{step}:{timestamp}"
print(f"Building Docker image: {image_tag}")
image, _ = client.images.build(path=step_dir, tag=image_tag)
print("Pushing Docker image...")
# Tag the image
# docker_image = client.images.get(f"{registry}/{step}")
# docker_image.tag(f"{registry}/{step}", tag="{timestamp}")
print(f"Ready to push image - {image_tag}")
# Push the image
for line in client.images.push(f"{registry}/{step}", tag=timestamp, stream=True, decode=True):
print(line)
# client.images.push(repo_name, tag=f"{step}:{timestamp}")
# client.images.push(f"{repo_name}/{step}", tag="{timestamp}", stream=True, decode=True)
# print(f"Image {image_tag} pushed successfully")
def containerize_steps(steps, region_name):
for step in steps:
if not os.path.exists(step):
os.mkdir(step)
build_and_push_docker_image(step, region_name)
def create_workflow_yaml(steps=None, dependencies=None, deployment_step=None, deployment_port=None, deployment_memory=None,name=None, region_name=None):
dag_tasks = []
container_templates = []
client = docker.from_env()
session = boto3.Session(
region_name=region_name,
)
# Initialize the STS client
sts_client = session.client('sts')
# Get caller identity
response = sts_client.get_caller_identity()
# Return the account ID
registry = f"{response['Account']}.dkr.ecr.{region_name}.amazonaws.com"
print(f"Found the account ID - {registry}")
if steps:
for step in steps:
latest_image_tag = get_latest_image_tag(step)
task_name = f"step-{step}"
dag_task = {
"name": task_name,
"template": step
}
if step in dependencies:
dag_task["dependencies"] = [f"step-{d}" for d in dependencies[step]]
dag_tasks.append(dag_task)
container_templates.append({
"name": step,
"container": {
"image": f"{registry}/{step}:{latest_image_tag}",
"command": ["python", f"{step}.py"],
"imagePullPolicy": "Always",
"resources":{
"requests":{
"memory": f"{deployment_memory}"
},
"limits":{
"memory": f"{deployment_memory}"
}
}
}
})
templates = [
{
"name": "dag-steps",
"dag": {
"tasks": dag_tasks
}
},
*container_templates
]
if deployment_step:
latest_image_tag = get_latest_image_tag(deployment_step)
if deployment_step in dependencies:
deploy_task = {
"name": f"step-{deployment_step}",
"dependencies": [f"step-{d}" for d in dependencies[deployment_step]],
"template": f"deploy-{deployment_step}"
}
else:
deploy_task = {
"name": f"step-{deployment_step}",
"template": f"deploy-{deployment_step}"
}
dag_tasks.append(deploy_task)
deploy_task_additional = {
"name": f"step-get-ip-of-{deployment_step}",
"dependencies": [f"step-{deployment_step}"],
"template": "get-ip"
}
dag_tasks.append(deploy_task_additional)
deployment_template = {
"name": f"deploy-{deployment_step}",
"script": {
"image": "bitnami/kubectl:latest",
"command": ["/bin/bash"],
"source": f"""kubectl apply -f - <<EOF
apiVersion: v1
kind: Service
metadata:
name: deploy-{deployment_step}
spec:
type: LoadBalancer
selector:
app: deploy-{deployment_step}
ports:
- protocol: TCP
port: 80
targetPort: {deployment_port}
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: deploy-{deployment_step}
spec:
replicas: 1
selector:
matchLabels:
app: deploy-{deployment_step}
template:
metadata:
labels:
app: deploy-{deployment_step}
spec:
containers:
- name: {deployment_step}
image: {registry}/{deployment_step}:{latest_image_tag}
ports:
- containerPort: {deployment_port}
imagePullPolicy: Always
resources:
requests:
memory: {deployment_memory}
limits:
memory: {deployment_memory}
EOF"""
},
}
templates.append(deployment_template)
get_ip_template = {
"name": "get-ip",
"script": {
"image": "bitnami/kubectl:latest",
"command": ["/bin/bash"],
"source": f'''SERVICE_NAME=deploy-{deployment_step}
while [ -z $SERVICE_IP ]; do
echo "Waiting for end point..."
SERVICE_IP=$(kubectl get svc -n paradigm $SERVICE_NAME --output jsonpath='{{.status.loadBalancer.ingress[0].hostname}}')
sleep 2
done
echo "End point: $SERVICE_IP"'''
}
}
templates.append(get_ip_template)
workflow = {
"apiVersion": "argoproj.io/v1alpha1",
"kind": "Workflow",
"metadata": {
"generateName": f"{name}-"
},
"spec": {
"entrypoint": "dag-steps",
"serviceAccountName": "paradigm-workflow",
"templates": templates
}
}
return yaml.dump(workflow, sort_keys=False)
def launch(args):
spinner.start()
containerize_steps(args.steps, args.region_name)
spinner.stop()
def parse_dependencies(dependencies_str):
dependencies = {}
if dependencies_str:
for dep_str in dependencies_str.split(','):
key, value_str = dep_str.split(':')
values = value_str.split('|')
dependencies[key.strip()] = [v.strip() for v in values]
return dependencies
def run_argo_submit(file_path):
command = ['argo', 'submit', '-n', 'paradigm', '--watch', file_path]
process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
while True:
output = process.stdout.readline()
if process.poll() is not None:
break
if output:
print(output.strip().decode('utf-8'))
def get_logs_from_workflow():
namespace = 'paradigm'
# Execute the first command and get the name of the latest workflow.
argo_list_cmd = f'argo list -n {namespace} --output json'
argo_list_output = subprocess.check_output(argo_list_cmd, shell=True, text=True)
workflows = json.loads(argo_list_output)
workflow_name = max(workflows, key=lambda x: x['metadata']['creationTimestamp'])['metadata']['name']
# Execute the second command and get the logs of the latest workflow.
argo_logs_cmd = f'argo logs -n {namespace} {workflow_name}'
argo_logs_output = subprocess.check_output(argo_logs_cmd, shell=True, text=True)
# Print the output of the second command while preserving the formatting.
print(argo_logs_output)
def deploy(args):
# dependencies = []
# for dep in args.dependencies:
# if dep.lower() == "none":
# dependencies.append(None)
# else:
# dependencies.append(dep.split(","))
dependencies = parse_dependencies(args.dependencies)
yaml_file = create_workflow_yaml(steps=args.steps, dependencies=dependencies, deployment_step=args.deployment, deployment_port=args.deployment_port, deployment_memory=args.deployment_memory, name=args.name, region_name=args.region_name)
with open(args.output, "w") as f:
f.write(yaml_file)
print(f"Generated Paradigm Workflow YAML file: {args.output}")
print("Sumitting Workflow to Cluster")
print("Waiting for progress and logs")
spinner.start()
run_argo_submit(args.output)
spinner.stop()
print(f"Completed running the Workflow")
print("Logs**")
get_logs_from_workflow()
def main():
parser = argparse.ArgumentParser(description="Paradigm: Fastest ML Pipelines (On AWS)")
subparsers = parser.add_subparsers()
# Launch subcommand
parser_launch = subparsers.add_parser("launch", help="Containerize steps and push Docker images to the repository")
# parser_launch.add_argument("--repo", required=True, help="Container registry repository name")
parser_launch.add_argument("--steps", required=True, nargs="+", help="List of step names")
parser_launch.add_argument("--region_name", default="us-east-1", help="Container registry region name")
parser_launch.set_defaults(func=launch)
# Deploy subcommand
parser_deploy = subparsers.add_parser("deploy", help="Deploy the Pipelines")
# parser_deploy.add_argument("--repo", required=True, help="Container registry repository name")
parser_deploy.add_argument("--steps", default=None, nargs="+", help="List of step names")
parser_deploy.add_argument("--dependencies", default=None, help="Step dependencies in the format: stepA:dep1|dep2,stepB:dep1|dep2|dep3")
parser_deploy.add_argument("--deployment", default=None, help="Deployment step name, leave blank for no deployment step")
parser_deploy.add_argument("--deployment_port", default=None, help="The port number of the deployment app")
parser_deploy.add_argument("--deployment_memory", default="2Gi", help="Memory required for the deployment step")
parser_deploy.add_argument("--output", default="workflow.yaml", help="Output YAML file name")
parser_deploy.add_argument("--name", default="paradigm-pipeline", help="Name of the pipeline")
parser_deploy.add_argument("--region_name", default="us-east-1", help="Container registry region name")
parser_deploy.set_defaults(func=deploy)
args = parser.parse_args()
args.func(args)
if __name__ == "__main__":
main()