initial impl

.docker-compose/Dockerfile

@@ -9,12 +9,19 @@ RUN cd Cbc-2.9.8 && \
     ./configure && \
     make && \
     make install
-RUN python -m pip install fastapi[all]
+RUN python -m pip install pySqsListener
 
 # Bundle app source
 COPY . /app
 
 WORKDIR /app/app
 
-# CMD tail -f /dev/null
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "80"]
+ENV SOLVER_AWS_ACCESS_KEY_ID AKIAWUAUNMG45GJZT2I6
+ENV SOLVER_AWS_SECRET_ACCESS_KEY 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
+ENV SOLVER_INGEST_BUCKET measure-development-solver-ingest
+ENV MEASURE_PROCESSED_BUCKET measure-development-solver-processed
+ENV SOLVER_SQS_INGEST_QUEUE https://sqs.ca-central-1.amazonaws.com/455309353401/measure-development-solver-ingest
+ENV SOLVER_AWS_REGION ca-central-1
+
+# CMD [ "python", "main.py" ]
+CMD tail -f /dev/null

Dockerfile

@@ -9,13 +9,18 @@ RUN cd Cbc-2.9.8 && \
     ./configure && \
     make && \
     make install
-RUN python -m pip install fastapi[all]
-
+RUN python -m pip install pySqsListener
 
 # Bundle app source
 COPY . /app
 
 WORKDIR /app/app
 
-# CMD tail -f /dev/null
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "80"]
+ENV SOLVER_AWS_ACCESS_KEY_ID AKIAWUAUNMG45GJZT2I6
+ENV SOLVER_AWS_SECRET_ACCESS_KEY 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
+ENV SOLVER_INGEST_BUCKET measure-development-solver-ingest
+ENV MEASURE_PROCESSED_BUCKET measure-development-solver-processed
+ENV SOLVER_SQS_INGEST_QUEUE https://sqs.ca-central-1.amazonaws.com/455309353401/measure-development-solver-ingest
+ENV SOLVER_AWS_REGION ca-central-1
+
+CMD [ "python", "main.py" ]

app/main.py

@@ -1,4 +1,52 @@
-from fastapi import FastAPI, __version__
+# from fastapi import FastAPI, __version__
+
+# app = FastAPI()
+
+# @app.get("/")
+# async def root():
+#   return {"message": "Welcome to Measures LOFT solver service. v0.1"}
+
+# @app.get("/healthcheck")
+# async def health():
+#   content = {
+#     "maintainer": "Meazure Horizon Team",
+#     "git_repo": "https://github.com/yardstick/measure-solver",
+#     "server": "OK",
+#     "fastapi version": __version__,
+#     "app version": "0.1.0"
+#   }
+#   return content
+
+# @app.get('/readycheck')
+# async def ready():
+#   return 'OK!'  # just means we're on air
+
+# @app.post('/solve/')
+# async def solve(solver_run: SolverRun):
+#   response = Solution(
+#     response_id=randint(100,5000),
+#     forms=[Form(
+#       items=[item.id for item in solver_run.items]
+#     )]
+#   )
+#   return response
+
+# import os
+
+# from sqs_listener import SqsListener
+
+
+# class MyListener(SqsListener):
+#     def handle_message(self, body, attributes, messages_attributes):
+#         print(body)
+
+# listener = MyListener(os.environ['SOLVER_SQS_INGEST_QUEUE'], error_queue='my-error-queue', region_name='ca-central-1')
+# listener.listen()
+import boto3
+import json
+import time
+import os
+
 from pydantic import BaseModel
 from typing import Set, List, Optional, Dict
 from random import randint
@@ -7,33 +55,39 @@ from models.solver_run import SolverRun
 from models.solution import Solution
 from models.form import Form
 
-app = FastAPI()
+session = boto3.Session(
+  aws_access_key_id=os.environ['SOLVER_AWS_ACCESS_KEY_ID'],
+  aws_secret_access_key=os.environ['SOLVER_AWS_SECRET_ACCESS_KEY']
+)
 
-@app.get("/")
-async def root():
-  return {"message": "Welcome to Measures LOFT solver service. v0.1"}
+s3 = session.resource('s3', region_name=os.environ['SOLVER_AWS_REGION'])
+sqs = session.client('sqs', region_name=os.environ['SOLVER_AWS_REGION'])
 
-@app.get("/healthcheck")
-async def health():
-  content = {
-    "maintainer": "Meazure Horizon Team",
-    "git_repo": "https://github.com/yardstick/measure-solver",
-    "server": "OK",
-    "fastapi version": __version__,
-    "app version": "0.1.1"
-  }
-  return content
-
-@app.get('/readycheck')
-async def ready():
-  return 'OK'  # just means we're on air
-
-@app.post('/solve/')
-async def solve(solver_run: SolverRun):
-  response = Solution(
-    response_id=randint(100,5000),
-    forms=[Form(
-      items=[item.id for item in solver_run.items]
-    )]
+print("STARTING SOLVER APP")
+# listen to the solver queue
+while True:
+  msg = sqs.receive_message(
+    QueueUrl=os.environ['SOLVER_SQS_INGEST_QUEUE'],
+    MaxNumberOfMessages=1,
+    WaitTimeSeconds=1
   )
-  return response
+
+  # get the item from the queue
+for message in msg.get("Messages", []):
+  print("NEW MESSAGE: ", message)
+
+  # upload the item to the processed bucket
+  # print("INGEST OBJ: ", s3.Object(bucket_name=os.environ['SOLVER_INGEST_BUCKET'],
+  #                                 key=body['Records'][0]['s3']['object']['key']).get()['Body'].read())
+
+  s3.Bucket(os.environ['MEASURE_PROCESSED_BUCKET']).put_object(Key=str(time.time())+'.json', Body=json.dumps({
+    "example": "PROCESSED",
+    "time": time.time(),
+    "parent": message['MessageId']
+  }))
+
+  response = sqs.delete_message(
+    QueueUrl=os.environ['SOLVER_SQS_INGEST_QUEUE'],
+    ReceiptHandle=message['ReceiptHandle'],
+  )
+  print("MESSAGE PROCESSED: ", message['MessageId'])

docker_tag.txt

@@ -1 +1 @@
-QUANT-987
+0.2.0