Bryan Thornbury brthor

engine = create_engine(engineUrl, convert_unicode=True, poolclass=NullPool)

def jsonExtract(item, key):
    j = json.loads(item)
    value = j.get(key)
    return value

@sqlalchemy.event.listens_for(engine, "begin")
def do_begin(conn):

Overview

When you publish a self-contained dotnet linux app for .net core 2.0, and run it on a brand new machine, you'll get this error:

Failed to load', error: libunwind.so.8: cannot open shared object file: No such file or directory
Failed to bind to CoreCLR at '/export/libcoreclr.so'

You can solve this by installing system packages, but for a truly self-contained publish, pull the missing libraries from the microsoft docker image, and into your app's output. You can put them in the publish directory and distribute them with your app.

I recently hit this problem, while using ansible to create docker networks:

- name: Construct Default docker networks
  shell: "docker network create 
            -o com.docker.network.bridge.enable_icc=false 
            -o com.docker.network.bridge.name={{item.networkName}}
            --subnet {{item.subnet}} {{item.networkName}}"
  with_items: "{{ docker_networks }}"

	Bryans-MacBook-Pro:web-migrate brthor$ dotnet run3
	info: Microsoft.Extensions.DependencyInjection.DataProtectionServices[0]
	User profile is available. Using '/Users/brthor/.aspnet/DataProtection-Keys' as key repository; keys will not be encrypted at rest.
	Hosting environment: Production
	Content root path: /Users/brthor/code/web-migrate
	Now listening on: http://localhost:5000
	Application started. Press Ctrl+C to shut down.
	info: Microsoft.AspNetCore.Hosting.Internal.WebHost[1]
	Request starting HTTP/1.1 GET http://localhost:5000/
	info: Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker[1]