tide

#!/bin/bash

# File configuration
CFG_FILE="${CFG_FILE:-$HOME/.config/tide/tiderc}"

# Check for configuration file and source it
if [[ -e "$CFG_FILE" ]]; then
  source "$CFG_FILE"
fi

# Display help
usage() {
  cat << EOF
  DESCRIPTION:

    tide: tool for managing pods

  COMMANDS:

    ls:                                                   list pods
    rm <release>:                                         delete a release
    install <release_name> <service_name> <yaml_env>:     install a release
    upgrade <release_name> <service_name> <yaml_env>:     update yaml files for a release
    exec [<pod>] [<command>]:                             execute <command> on specified <pod> omit args to use fzf to select
    clean:                                                delete all persistent volume claims
    tail <pod>:                                           view logs of running pod
    show <pod>:                                           view pod metadata

  OPTIONS:
    -c: display helm/kubectl command for confirmation before execution
    -h: display this message
EOF
}

confirm() {
  # echo "Are you sure you want to run \"$@\"? [y/N] "
  if [ "$confirm" = "true" ]; then
    command_to_confirm="$@"
    read -p "Are you sure you want to run \"$@\"? [y/N] " >&1 response
    case "$response" in
        [yY][eE][sS]|[yY])
            $@ >&1 && exit 0
            ;;
        *)
            exit 0
            ;;
    esac
  else
    $@ >&1
  fi
}

sub_ls() {
  confirm "kubectl get pods"
  exit 0
}

sub_rm() {
  confirm "helm delete $1"
  exit 0
}

sub_exec() {
  if [[ $# -eq 0 ]]; then
    if [ -z "$COMMANDS" ]; then error 'No commands set in ~/.config/tide/tiderc'; fi
    app=$(sub_ls | tail -n +2 | awk '{print $1}' | fzf)
    exe=$(printf "%s\n" "${COMMANDS[@]}" | fzf)
    sub_exec $app -- $exe
  else
    confirm "kubectl exec -it $@"
  fi
  exit 0
}

sub_tail() {
  confirm "kubectl logs -f $1"
  exit 0
}

sub_clean() {
  confirm "kubectl delete pvc --all"
  exit 0
}

sub_show() {
  confirm "kubectl describe pod $1"
  exit 0
}

sub_install() {
  confirm "helm ssm install $1 callrail/$2 -f $3-values.yaml --timeout 20m"
  exit 0
}

sub_upgrade() {
  confirm "helm ssm upgrade $1 callrail/$2 -f $3-values.yaml --timeout 12m"
  exit 0
}

error() {
  echo -e "\033[0;31m$1\033[0m" >&2
  echo
  usage
  exit 1
}

# Set flag options
while getopts "ch" opt; do
  case "$opt" in
    h) usage && exit 0;;
    c) confirm=true;;
    *) error "Invalid flag.";;
  esac
done 2>/dev/null
shift "$((OPTIND-1))"

command=$1
case $command in
  *)
    for arg in "$@"; do
      shift
      sub_${command} $@ # 2>/dev/null
      if [ $? = 127 ]; then
        error "Error: '$command' is not a known command."
        exit 1
      fi
      shift
    done
  ;;
esac

usage && exit 0