rjchicago

check_ssl_expiry() {
  local SERVER="$1"
  if [[ -z "$SERVER" ]]; then
    echo "Usage: check_ssl_expiry <server>"
    return 1
  fi

  local EXPIRY_DATE
  EXPIRY_DATE=$(echo | openssl s_client -servername "$SERVER" -connect "$SERVER:443" 2>/dev/null \
    | openssl x509 -noout -enddate \

rjchicago

#!/bin/sh
set -Eeou pipefail

# args
MAIN_BRANCH=${MAIN_BRANCH:-main}
BUILD_NUMBER=${BUILD_NUMBER:-0}

docker_tag_parse_string() {
  KEY=$(echo $1 | awk '{print tolower($0)}')
  re='(.*)[^a-z0-9.-]+(.*)'

rjchicago

# Include all kube configs
export KUBECONFIG=~/.kube/config$(for YAML in $(find ${HOME}/.kube -name '*.y*ml') ; do echo -n ":${YAML}"; done)

# get pods per namespace
alias kpns="kubectl get pods -A | sed 1d | awk '{print \$1}' | sort | uniq -c | sort -k1 -n -r"

# get pods per node
alias kpn="kubectl get pods -A -o jsonpath='{range .items[?(@.spec.nodeName)]}{.spec.nodeName}{\"\n\"}{end}' | sort | uniq -c | sort -rn"

rjchicago

The code snippet you provided is:

set -Eeou pipefail

This is a Bash shell command that sets various options to control how the shell behaves and handles errors. Let's break down what each part of this command does:

set is a built-in Bash command used to set or unset shell options and positional parameters.

rjchicago

# K2D

# <https://docs.k2d.io/quick-start-guide>

SECRET=asdasd

docker run --rm -d \
  --name k2d-k2d \
  --network bridge \
  --publish 6443:6443 \

rjchicago

# list taints (all nodes)
kubectl get nodes -o json | jq -r '.items[] | .metadata.name + " " + .spec.taints[]?.key + "=" + .spec.taints[]?.key + ":" + .spec.taints[]?.effect'

# list taints (exclude control plane)
kubectl get nodes -o json -l '!node-role.kubernetes.io/control-plane' | jq -r '.items[] | .metadata.name + " " + .spec.taints[]?.key + "=" + .spec.taints[]?.key + ":" + .spec.taints[]?.effect'

# remove taint example (note: the hyphen after the taint to remove)
# kubectl taint nodes $NODE $TAINT-

rjchicago

#! /bin/sh
set -Eeou pipefail

# kubectl_get_images.sh
# 
# Use kubectl to get all running images in a Kubernetes cluster.
# Ref: https://kubernetes.io/docs/tasks/access-application-cluster/list-all-running-container-images/

# if context is provided, switch context
if [[ ! -z ${1:-} ]]; then

rjchicago

# add all yaml configs under ${HOME}/.kube to KUBECONFIG
export KUBECONFIG=~/.kube/config$(for YAML in $(find ${HOME}/.kube -name '*.y*ml') ; do echo -n ":${YAML}"; done)

rjchicago

# In switching Git repositories, I found you must delete the ArgoCD ApplicationSets and
# Applications in order to allow ArgoCD to recreate. However, deleting the resources can
# hang due to finalizers. Run the below script to reset the ArgoCD Application finalizers:

# get argocd applications by name, one per row
APPS=$(kubectl get -n ${NAMESPACE:-argocd} applications.argoproj.io -o=jsonpath='{range .items[*]}{.metadata.name}{"\t"}{"\n"}{end}')

# loop through and reset each application's finalizers
while read -r APP; do
  kubectl patch -n ${NAMESPACE:-argocd} applications.argoproj.io/$APP -p '{"metadata":{"finalizers":[]}}' --type=merge

rjchicago

# create alias

test() {
    local URL=${1:?URL is required as first argument}
    local TIMEOUT=${TIMEOUT:-1}
    local SLEEP=${SLEEP:-1}
    while true; do curl -s -m $TIMEOUT $URL > /dev/null && echo -n ✅ || echo -n 💀; sleep $SLEEP; done
}

# usage