Dockerization

.gitignore

@@ -1,2 +1,6 @@
 __pycache__
-scraperMain.out
+scraperMain.out
+.env
+bss.env
+id_rsa
+id_rsa.pub

Dockerfile

@@ -0,0 +1,13 @@
+FROM python:3-slim
+
+WORKDIR /bss
+
+COPY requirements.txt requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+RUN mkdir .ssh
+COPY . .
+
+EXPOSE 80
+# port 80, one worker, 210s timeout, from prom.py file.
+CMD [ "gunicorn", "-b :80", "-w 1", "-t 210", "prom:app" ]

docker-compose.yml

@@ -0,0 +1,10 @@
+version: '3'
+services:
+  bss:
+    build: .
+    volumes:
+      - './id_rsa:/bss/.ssh/id_rsa'
+    #ports:
+    #  - '8000:80' # EXPOSING TO THE INTERWEBZ IS A BAD IDEA. USE DOCKER NETWORKS OR A REVERSE PROXY INSTEAD.
+    env_file:
+      - bss.env # SSH_HOSTNAME=172.16.16.16

prom.py

@@ -1,9 +1,11 @@
 """
 ENV VARIABLES AVAILABLE:
  - SSH_HOSTNAME
- - SSH_KEYPATH
+ - SSH_KEYPATH (defaults: /bss/id_rsa)
+ - PREFIX (default: bladetest_)
 """
 """
+Run in development env:
 export FLASK_ENV=development
 export FLASK_APP=prom.py
 flask run
@@ -13,11 +15,11 @@ import os # for ENV arguments
 
 import scraperMain, prom_servers
 
-PREFIX = 'bladetest_'
 enc = 'k-space-blade-02' # for now ~~hard~~softcoded in, we'd need to add parsing in hostnames, and add a similar enc env var.
 
 hostname = str(os.environ['SSH_HOSTNAME'])
-sshkeypath = os.getenv('SSH_KEYPATH')
+sshkeypath = os.getenv('SSH_KEYPATH','/bss/.ssh/id_rsa')
+PREFIX = os.getenv('PREFIX','bladetest_')
 
 ### FLASK ###
 app = Flask(__name__)

requirements.txt

@@ -0,0 +1,3 @@
+paramiko ~= 2.7.2
+Flask ~= 1.1.2
+gunicorn ~= 20.0.4