muresan

# format table
$ docker ps -a --format 'table {{.ID}}\t{{.Image}}\t{{.Command}}\t{{.CreatedAt}}\t{{.Status}}'
# filter
# until (<timestamp>) - only remove containers created before given timestamp
# label (label=<key>, label=<key>=<value>, label!=<key>, or label!=<key>=<value>)
# - only remove containers with (or without, in case label!=... is used) the specified labels.

$ docker run -ti -l keep=yes -d alpine sleep 1h
$ docker container prune --filter='label!=keep=yes'

muresan

resource "aws_iam_policy" "iam-getrole" {
  name = "iam-getrole"
  policy = <<EOF
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": "iam:GetRole",
      "Resource": "*"

muresan

# ENSURE:
# - 2x EFS are created, one regular one maxio (maximum flexibility)
# - Ensure the security groups attached to the EFSs are allowing NFS access
# - Ensure that nfs-utils / nfs-common is installed on the machines
# - Test prior that you can mount the filesystems using the commands from the EFS UI

# grab docker version for plugin install reasons
DOCKER_VERSION=`docker version -f "{{ .Server.Version }}"`
# create an EFS General Purpose
EFS_ID_REGULAR=fs-00000001

muresan

version: '3.3'

services:
  kafka1:
    image: confluentinc/cp-kafka
    environment:
      - KAFKA_BROKER_ID=1
      - KAFKA_ZOOKEEPER_CONNECT=zookeeper1:2181
      - KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://localhost:9092
    deploy:

muresan

rancher:
  services_include:
    ubuntu-console: true
  services:
    iptables:
      image: busybox
      net: host
      uts: host
      pid: host
      ipc: host

muresan

version: '3.1'

services:
  helloworld:
    image: muresan/node-helloworld:${TAG:-1.0}
    deploy:
      labels:
        traefik.port: "3000"
        traefik.protocol: "http"
        traefik.backend.loadbalancer.sticky: "true"

muresan

SYSLOG_TAG: '{{ `{{ index .Container.Config.Labels "com.docker.swarm.service.name" }}` }}'


shell: docker node ls --format {% raw %} '{{.ID}} {{.Status}}' {% endraw %} | grep Down | sed 's/.Down$//' | xargs --no-run-if-empty docker node rm

muresan

#!/bin/sh
jq -R -s '{"value":.}'

muresan

version: '3.2'
services:
  elasticsearch1: &elasticsearch
    image: cbb/elasticsearch:5.5.0
    environment: &environment
      ES_JAVA_OPTS: '-Xms256m -Xmx256m'
      cluster.name: es-cluster
      node.name: es1
      network.bind_host: 0.0.0.0
      discovery.zen.minimum_master_nodes: 2

muresan

# System default settings live in /usr/lib/sysctl.d/00-system.conf.
# To override those settings, enter new settings here, or in an /etc/sysctl.d/<name>.conf file
#
# For more information, see sysctl.conf(5) and sysctl.d(5).

# Increase size of file handles and inode cache
fs.file-max = 2097152

# Do less swapping
vm.swappiness = 10