run.sh

#!/bin/sh

main() {
  display_version

  if [ -z "$WERCKER_KUBECTL_COMMAND" ]; then
    fail "wercker-kubectl: command argument cannot be empty"
  fi

  local cmd="$WERCKER_KUBECTL_COMMAND"

  # Global args
  local global_args
  local raw_global_args="$WERCKER_KUBECTL_RAW_GLOBAL_ARGS"

  # token
  if [ -n "$WERCKER_KUBECTL_TOKEN" ]; then
    global_args="$global_args --token=\"$WERCKER_KUBECTL_TOKEN\""
  fi

  # username
  if [ -n "$WERCKER_KUBECTL_USERNAME" ]; then
    global_args="$global_args --username=\"$WERCKER_KUBECTL_USERNAME\""
  fi

  # password
  if [ -n "$WERCKER_KUBECTL_PASSWORD" ]; then
    global_args="$global_args --password=\"$WERCKER_KUBECTL_PASSWORD\""
  fi

  # server
  if [ -n "$WERCKER_KUBECTL_SERVER" ]; then
    global_args="$global_args --server=\"$WERCKER_KUBECTL_SERVER\""
  fi

  # insecure-skip-tls-verify
  if [ -n "$WERCKER_KUBECTL_INSECURE_SKIP_TLS_VERIFY" ]; then
    global_args="$global_args --insecure-skip-tls-verify=\"$WERCKER_KUBECTL_INSECURE_SKIP_TLS_VERIFY\""
  fi
    # certificate-authority
  if [ -n "$WERCKER_KUBECTL_CERTIFICATE_AUTHORITY" ]; then
    global_args="$global_args --certificate-authority=\"$WERCKER_KUBECTL_CERTIFICATE_AUTHORITY\""
  fi
    # client-certificate
  if [ -n "$WERCKER_KUBECTL_CLIENT_CERTIFICATE" ]; then
    global_args="$global_args --client-certificate=\"$WERCKER_KUBECTL_CLIENT_CERTIFICATE\""
  fi
    # client-key
  if [ -n "$WERCKER_KUBECTL_CLIENT_KEY" ]; then
    global_args="$global_args --client-key=\"$WERCKER_KUBECTL_CLIENT_KEY\""
  fi

  # Command specific flags
  local args
  local raw_args="$WERCKER_KUBECTL_RAW_ARGS"

  # file
  if [ -n "$WERCKER_KUBECTL_FILE" ]; then
    args="$args --file=\"$WERCKER_KUBECTL_FILE\""
  fi

  # output
  if [ -n "$WERCKER_KUBECTL_OUTPUT" ]; then
    args="$args --output=\"$WERCKER_KUBECTL_OUTPUT\""
  fi

  # template
  if [ -n "$WERCKER_KUBECTL_TEMPLATE" ]; then
    args="$args --template=\"$WERCKER_KUBECTL_TEMPLATE\""
  fi

  # patch
  if [ -n "$WERCKER_KUBECTL_PATCH" ]; then
    args="$args --patch=\"$WERCKER_KUBECTL_PATCH\""
  fi

  # interactive
  if [ -n "$WERCKER_KUBECTL_INTERACTIVE" ]; then
    args="$args --interactive=\"$WERCKER_KUBECTL_INTERACTIVE\""
  fi

  # image
  if [ -n "$WERCKER_KUBECTL_IMAGE" ]; then
    args="$args --image=\"$WERCKER_KUBECTL_IMAGE\""
  fi

  # timeout
  if [ -n "$WERCKER_KUBECTL_TIMEOUT" ]; then
    args="$args --timeout=\"$WERCKER_KUBECTL_TIMEOUT\""
  fi

  # update-period
  if [ -n "$WERCKER_KUBECTL_UPDATE_PERIOD" ]; then
    args="$args --update-period=\"$WERCKER_KUBECTL_UPDATE_PERIOD\""
  fi

  # deployment-label-key
  if [ -n "$WERCKER_KUBECTL_DEPLOYMENT_LABEL_KEY" ]; then
    args="$args --deployment-label-key=\"$WERCKER_KUBECTL_DEPLOYMENT_LABEL_KEY\""
  fi

  # poll-interval
  if [ -n "$WERCKER_KUBECTL_POLL_INTERVAL" ]; then
    args="$args --poll-interval=\"$WERCKER_KUBECTL_POLL_INTERVAL\""
  fi

  # rollback
  if [ -n "$WERCKER_KUBECTL_ROLLBACK" ]; then
    args="$args --rollback=\"$WERCKER_KUBECTL_ROLLBACK\""
  fi

  # replicas
  if [ -n "$WERCKER_KUBECTL_REPLICAS" ]; then
    args="$args --replicas=\"$WERCKER_KUBECTL_REPLICAS\""
  fi

  # current-replicas
  if [ -n "$WERCKER_KUBECTL_CURRENT_REPLICAS" ]; then
    args="$args --current-replicas=\"$WERCKER_KUBECTL_CURRENT_REPLICAS\""
  fi

  # resource-version
  if [ -n "$WERCKER_KUBECTL_RESOURCE_VERSION" ]; then
    args="$args --resource-version=\"$WERCKER_KUBECTL_RESOURCE_VERSION\""
  fi

  # pod
  if [ -n "$WERCKER_KUBECTL_POD" ]; then
    args="$args --pod=\"$WERCKER_KUBECTL_POD\""
  fi

  # stdin
  if [ -n "$WERCKER_KUBECTL_STDIN" ]; then
    args="$args --stdin=\"$WERCKER_KUBECTL_STDIN\""
  fi

  # tty
  if [ -n "$WERCKER_KUBECTL_TTY" ]; then
    args="$args --tty=\"$WERCKER_KUBECTL_TTY\""
  fi

  # grace-period
  if [ -n "$WERCKER_KUBECTL_GRACE_PERIOD" ]; then
    args="$args --grace-period=\"$WERCKER_KUBECTL_GRACE_PERIOD\""
  fi

  # selector
  if [ -n "$WERCKER_KUBECTL_SELECTOR" ]; then
    args="$args --selector=\"$WERCKER_KUBECTL_SELECTOR\""
  fi

  # all
  if [ -n "$WERCKER_KUBECTL_ALL" ]; then
    args="$args --all=\"$WERCKER_KUBECTL_ALL\""
  fi

  # overwrite
  if [ -n "$WERCKER_KUBECTL_OVERWRITE" ]; then
    args="$args --overwrite=\"$WERCKER_KUBECTL_OVERWRITE\""
  fi

  info "Running kubctl command"
  if [ "$WERCKER_KUBECTL_DEBUG" = "true" ]; then
    info "kubectl $global_args $raw_global_args $cmd $args $raw_args"
  fi

  eval "$WERCKER_STEP_ROOT"/kubectl "$global_args" "$raw_global_args" "$cmd" "$args" "$raw_args"
}

display_version() {
  info "Running kubectl version:"
  "$WERCKER_STEP_ROOT"/kubectl version --client
  echo ""
}

main;