tamalsaha

$ kubectl get pods,svc
NAME                                       READY     STATUS    RESTARTS   AGE
po/nginx-8586cf59-s8ml8                    1/1       Running   0          1m
po/voyager-test-ingress-7c9f7b66cb-vwltz   1/1       Running   0          1m

NAME                       TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)        AGE
svc/kubernetes             ClusterIP   10.96.0.1       <none>        443/TCP        4m
svc/meteor                 ClusterIP   10.102.63.216   <none>        80/TCP         1m
svc/voyager-test-ingress   NodePort    10.103.43.13    <none>        80:30818/TCP   1m

tamalsaha

https://stackoverflow.com/questions/9537751/virtualbox-port-forward-from-guest-to-host

To get to the host machine from the VM, the IP is 10.0.2.2 (by convention)

apiVersion: v1
kind: Service
metadata:
 name: external-ip

tamalsaha

$ kubectl get pods,svc
NAME                                               READY     STATUS    RESTARTS   AGE
po/nginx-8586cf59-8kvdb                            1/1       Running   0          15m
po/voyager-qa-itinerary-service-64b6cc5cb6-mtpzx   1/1       Running   0          4m

NAME                               TYPE           CLUSTER-IP      EXTERNAL-IP   PORT(S)        AGE
svc/kubernetes                     ClusterIP      10.96.0.1       <none>        443/TCP        1h
svc/qa-itinerary-service           ClusterIP      10.110.63.143   <none>        80/TCP         15m
svc/voyager-qa-itinerary-service   LoadBalancer   10.97.246.158   <pending>     80:30815/TCP   12m

tamalsaha

language: go
go:
 - 1.x
 - tip

install:
  - go get -v github.com/Masterminds/glide
  - cd $GOPATH/src/github.com/Masterminds/glide && git checkout tags/v0.13.1 && go install && cd -
  - glide install -v

tamalsaha

• What does the FD_CLOEXEC fcntl() flag do?

• Pause Container:https://github.com/kubernetes/kubernetes/blob/master/build/pause/pause.c#L60:58

• waitpid: https://stackoverflow.com/questions/21248840/example-of-waitpid-in-use

• signal blocking : https://support.sas.com/documentation/onlinedoc/sasc/doc750/html/lr1/zlocking.htm

• fork() returns twice; https://www.thegeekstuff.com/2012/05/c-fork-function/

tamalsaha

#!/bin/bash

# Get a new Ubuntu 16.04 server on packet.net
curl -fsSL --retry 5 -o /etc/apt/sources.list https://raw.githubusercontent.com/pharmer/addons/master/ubuntu/16.04/sources.list
apt-get update
apt-get upgrade

# pip
apt-get install python-pip
pip install --upgrade pip

tamalsaha

• Clustering: https://coreos.com/etcd/docs/latest/v2/clustering.html#etcd-discovery

• Discovery Protocol: https://coreos.com/etcd/docs/latest/v2/discovery_protocol.html

• Docker: https://coreos.com/etcd/docs/latest/op-guide/container.html#docker

• Runtime Reconfig:

  • https://coreos.com/etcd/docs/latest/op-guide/runtime-configuration.html
  • https://coreos.com/etcd/docs/latest/op-guide/runtime-reconf-design.html

• Members HTTP v2 API: https://coreos.com/etcd/docs/latest/v2/members_api.html

• Members v3 GRPC API: https://coreos.com/etcd/docs/latest/dev-guide/api_reference_v3.html#service-cluster-etcdserveretcdserverpbrpcproto

tamalsaha

#!/bin/bash
# SPDX-License-Identifier: MIT
 
## Copyright (C) 2009 Przemyslaw Pawelczyk <[email protected]>
##
## This script is licensed under the terms of the MIT license.
## https://opensource.org/licenses/MIT
#
# Lockable script boilerplate
 

tamalsaha

• SSL : https://cbonte.github.io/haproxy-dconv/1.8/configuration.html#5.2-ssl
• CRT: https://cbonte.github.io/haproxy-dconv/1.8/configuration.html#5.1-crt
• SNI: https://stuff-things.net/2016/11/30/haproxy-sni/

tamalsaha

git submodule add -b master [email protected]:practical-kubernetes/practical-kubernetes.github.io.git public

https://github.com/practical-kubernetes/hugo-theme-jane

https://gohugo.io/hosting-and-deployment/hosting-on-github/

https://blog.github.com/2016-02-01-working-with-submodules/ https://gist.github.com/gitaarik/8735255