cime

• What do Etcd, Consul, and Zookeeper do?
  • Service Registration:
    • Host, port number, and sometimes authentication credentials, protocols, versions numbers, and/or environment details.
  • Service Discovery:
    • Ability for client application to query the central registry to learn of service location.
  • Consistent and durable general-purpose K/V store across distributed system.
    • Some solutions support this better than others.
    • Based on Paxos or some derivative (i.e. Raft) algorithm to quickly converge to a consistent state.
• Centralized locking can be based on this K/V store.

cime

*.img
*.raw

cime

# Assumes the database container is named 'db'

DOCKER_DB_NAME="$(docker-compose ps -q db)"
DB_NAME=db
DB_USER=postgres
LOCAL_DUMP_PATH="path/to/local.dump"

docker-compose up -d db
sleep 5
docker exec -i "${DOCKER_DB_NAME}" pg_restore -C --clean --no-acl --no-owner -U "${DB_USER}" -d "${DB_NAME}" < "${LOCAL_DUMP_PATH}"

cime

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

cime

import {Injectable, EventEmitter} from 'angular2/core';
import {Http, Headers, RequestOptions, RequestOptionsArgs, Response, RequestMethod, Request, Connection, ConnectionBackend} from 'angular2/http';
import * as Rx from 'rxjs';


export enum Action { QueryStart, QueryStop };

@Injectable()
export class AuthHttp {
  process: EventEmitter<any> = new EventEmitter<any>();