samof76

data "template_file" "cluster_autoscaler" {
  template = "${file("cluster_autoscaler.yml.tpl")}"
  vars = {
    worker_node_min_size = "${var.nodes_min_size}"
    worker_node_max_size = "${var.nodes_max_size}"
    worker_node_asg_name = "${aws_autoscaling_group.fd_eks_nodes_asg.name}"
    aws_region           = "${var.region}"
  }
}

samof76

kustomize build deployments/staging/stagingvpc-shell-main/blue | kubectl apply -f -

samof76

make deployments/staging/stagingvpc-shell-main/blue

samof76

---
bases:
- "./../base"
nameSuffix: "-stagingvpc-shell-main-blue"
commonLabels:
  shell: stagingvpc-shell-main-blue
images:
- name: eagle
  newName: someawsnumber.dkr.ecr.us-east-1.amazonaws.com/app-stg
  newTag: FDx.x.x

samof76

deployments
├── base # base from where everything is inherited
│   └── shell
│       ├── bg
│       │   ├── bg-sidekiq.yaml
│       │   └── bg-utility.yaml
│       ├── fg
│       │   ├── app-api-public.yaml
│       │   ├── app-email.yaml
│       │   └── app.yaml

samof76

# The following code gets the EKS endpoint IPs
endpoint = $eks_client.describe_cluster({name: eks_name}).data.cluster.endpoint
u = URI.parse(endpoint)

ips = []
txt = Resolv::DNS.open do |dns|
records = dns.getresources(u.host, Resolv::DNS::Resource::IN::A)
records.each {|r|
ips << r.address.to_s
}

samof76

#!/bin/bash

# Get the instance id
instance_id=$(curl http://169.254.169.254/latest/meta-data/instance-id 2> /dev/null)

# Get the instance name
instance_hostname=$(aws ec2 describe-instances --instance-ids $instance_id | jq -r '.Reservations[0].Instances[0].Tags[] | select(.Key == "opsworks:instance") | .Value')

# Get the instance ip
instance_ipaddress=$(aws ec2 describe-instances --instance-ids $instance_id | jq -r '.Reservations[0].Instances[0].PrivateIpAddress')

samof76

defmodule DatabaseServer do
    # start/0 is the fuction of the Databaserver
    # that starts the server process by spawning
    # loop/0 and returns its PID.
    def start do
        spawn(&loop/0)
    end

    # loop/0 is the fuction of the DatabaseServer
    # that that basically waits to `receive` messages

samof76

defmodule TestStreams do
  def lines_lengths!(path) do
    File.stream!(path)
    |> Stream.map(&String.replace(&1, "\n",""))
    |> Enum.map(&String.length(&1))
  end

  def longest_line_length!(path) do
    File.stream!(path)
    |> Stream.map(&String.replace(&1, "\n", ""))

samof76

iex --name sam --cookie secret
2018-08-17 12:39:22.425266 
    args: []
    format: "Can't set long node name!\nPlease check your configuration\n"
    label: {error_logger,info_msg}
2018-08-17 12:39:22.425344 crash_report        #{label=>{proc_lib,crash},report=>[[{initial_call,{net_kernel,init,['Argument__1']}},{pid,<0.59.0>},{registered_name,[]},{error_info,{exit,{error,badarg},[{gen_server,init_it,6,[{file,"gen_server.erl"},{line,358}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,249}]}]}},{ancestors,[net_sup,kernel_sup,<0.45.0>]},{message_queue_len,0},{messages,[]},{links,[<0.56.0>]},{dictionary,[{longnames,true}]},{trap_exit,true},{status,running},{heap_size,610},{stack_size,27},{reductions,833}],[]]}
2018-08-17 12:39:22.425812 supervisor_report   #{label=>{supervisor,start_error},report=>[{supervisor,{local,net_sup}},{errorContext,start_error},{reason,{'EXIT',nodistribution}},{offender,[{pid,undefined},{id,net_kernel},{mfargs,{net_kernel,start_link,[[sam,longnames],true]}},{restart_type,per