seansummers

AWS Python Snippets

Collection of Python scripts and functions that might be useful.

seansummers

Job Description
 
Job Title
AWS Sr. Software Engineer – Specialty (M1S)
Location
La Crosse, WI or Telecommute

JOB SUMMARY
 

seansummers

from collections import UserDict

class CaseInsensitiveDict(UserDict):
    """Dict that preserves key case, but will compare and set insensitively.

    >>> 'test' in CaseInsensitiveDict({'Test':'value'})
    True
    >>> CaseInsensitiveDict({'Test':'value'})['teSt']
    'value'
    >>> d = CaseInsensitiveDict({'Test':'value'})

seansummers

Title:	Customer Experience Operations Engineer

Position Overview: 

Our Technical Support Department is recognized globally for delivering premier support. Support is of substantial importance to the business of all WebPros brands. The CX Operations Engineer facilitates and enables front-line Support staff through the development, administration, and maintenance of essential back-end systems. This role additionally performs a variety of complex tasks utilizing discretion and independent judgment to support high impact WebPros customers, including consulting with customers and development to determine system functional specifications, analyzing and recommending system changes, coaching and training members of Technical Support, and will collaborate with the rest of the CX Operations team to ensure any issues are resolved as effectively as possible. The CX Operations Engineer additionally manages internal support systems & scripts by analysis, recommendations, and modifications of these tools.

Responsibilites

seansummers

Implementing a basic plugin architecture shouldn't be a complicated task. The solution described here is working but you still have to import every plugin (inheriting from the base class).

This is my solution:

Basic project structure

$ tree

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# how do we get credentials in here? Who knows....
data "external" "stack" {
  program = [ "xargs", "-0", 
    "aws", "cloudformation", "describe-stack-resource", "--output", "json",
    "--query", "StackResourceDetail.{id:PhysicalResourceId}" ]
  query = {
    StackName: "StackName",
    LogicalResourceId: "LogicalResourceName",
  }
}

seansummers

from typing import List

def most_recent_first(versions: List[str]) -> List[str]:
    """Return the list of SemVers sorted by the newest first.
    >>> versions = ['0.1.0','3.2.1','2.2.3','0.1.1','2.15.3']
    >>> most_recent_first(versions)
    ['3.2.1', '2.15.3', '2.2.3', '0.1.1', '0.1.0']
    """

import doctest

seansummers

systemd:
  units:
  - name: etcd2.service
    enable: true
etcd:
  discovery: https://discovery.etcd.io/cfb401f0c192894e72c78cbd03a65442
passwd:
  users:
  - name: core
    ssh_authorized_keys:

seansummers

from collections.abc import MutableMapping, MutableSequence
from typing import Callable, Iterable, Union

MutableCollection = Union[MutableMapping, MutableSequence]
Visitor = Callable[[str], str]  # we only support string scalars for now


def visit(value: str) -> str:
    """Visit a string scalar, and mutate it if needed before returning it."""
    if len(value) > 4:  # example criteria

seansummers

#!/usr/bin/env python3
#
# openssl asn1parse -noout -out private_key.der -genconf <(python jwks2asn1.py private_key.json)
# openssl rsa -in private_key.der -inform der > private_key.pem
#
# rfc7517.3 : urlsafe_b64decode
# rfc7517.A.1 : ints are big-indian
#

import base64