test.learnyouahaskell.github.io/common at main · chrisdenman/test.learnyouahaskell.github.io · GitHub

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#!/usr/bin/env bash

: '
    Common bash code sourced into various scripts.
'

# Constants
# shellcheck disable=SC2034
readonly HOST_DNS_NAME="test.learnyouahaskell.github.io"
readonly DATE_FORMAT='%FT%H:%M:%S.%3NZ'
readonly TIME_ZONE="UTC0"
# shellcheck disable=SC2034
readonly VM_PROPERTY_CONFIG_FILE_PATH="io.github.learnyouahaskell.test.config"
# shellcheck disable=SC2034
readonly VM_PROPERTY_KEYSTORE_FILE_PATH="io.github.learnyouahaskell.test.keyStore"
# shellcheck disable=SC2034
readonly VM_PROPERTY_KEYSTORE_PASSWORD="io.github.learnyouahaskell.test.keyStorePassword"
# shellcheck disable=SC2034
readonly VM_PROPERTY_PRIVATE_KEY_PASSWORD="io.github.learnyouahaskell.test.privateKeyPassword"
# shellcheck disable=SC2034
readonly KEYSTORE_PASSWORD="ksp"
# shellcheck disable=SC2034
readonly PRIVATE_KEY_PASSWORD="pkp"

# shellcheck disable=SC2034
readonly CONFIGURATION_CLASS_NAME='Configuration.kt'

# Terminal Output
if [ -t 1 ] && [ -z "${NO_COLOR:-}" ]; then
  _B="1"; _IT="3"; _U="4"; _F="5"; _I="7"
  _MOD='[';  __='[0m'
  _BLACK='30'; _RED='31'; _GREEN='32'; _BROWN='33'; _BLUE='34' _PURPLE='35'; _CYAN='36'; _LGREY='37'
  BLACK_='40'; RED_='41'; GREEN_='42'; BROWN_='43'; BLUE_='44' PURPLE_='45'; CYAN_='46'; LGREY_='47'
else
  _B=""; _IT=""; _U=""; _F=""; _I=""
  _MOD='';  __=''
  _BLACK=''; _RED=''; _GREEN=''; _BROWN=''; _BLUE='' _PURPLE=''; _CYAN=''; _LGREY=''
  BLACK_=''; RED_=''; GREEN_=''; BROWN_=''; BLUE_='' PURPLE_=''; CYAN_=''; LGREY_=''
fi

function wC { echo -n "${_MOD}${1}m$2${__}" ; }
function sQuote { echo -n "'${1}'" ; }
function colour { wC "${1}" "${2}" ; }
function red { wC $_RED "${1}" ; }
function green { wC $_GREEN "${1}" ; }
function brown { wC $_BROWN "${1}" ; }
function blue { wC $_BLUE "${1}" ; }
function purple { wC $_PURPLE "${1}" ; }
function cyan { wC $_CYAN "${1}" ; }
function lgrey { wC $_LGREY "${1}" ; }
function datef {
  local output
  output=$(lgrey "$(TZ=${TIME_ZONE} date +${DATE_FORMAT})")
  output="${output//:/$(colour "$_BLUE" ":")}"
  output="${output//./$(colour "$_BLUE" ".")}"
  echo "${output//-/$(colour "$_BLUE" "-")}"
}

function logInfo  { echo -e "$(datef)" "$(purple "$1")" "$(green "INFO")" "${2}" ; }
function logError  { echo -e "$(datef)" "$(purple "$1")" "$(red "ERROR")" "${2}" ; }

#    Fetches a URL until a given status code is returned. Up to a specified number attempts and with a configurable
#    sleep between each request.
#
#   #1 = the name of the calling script
#   #2 = the name of the site
#   #3 = the URL to get
#   #4 = the expected success HTTP status code
#   #5 = the maximum number of attempts
#   #6 = the 'sleep' argument to use between fetches
function waitForStatusCode {
  logInfo "${1}" "Waiting for $(brown "${2}") ($(blue "${3}"))..."
  local statusCode
  # shellcheck disable=SC2034
  for attempt in $(seq 1 "${5}"); do
    statusCode=$(curl --insecure --silent --head "${3}" | awk '/^HTTP/{print $2}')
    [[ $statusCode == "$4" ]] && { logInfo "${ME}" "$(green "${2}") is $(green "READY")." ; return 0 ; }
    sleep "${6}"
  done
  logError "${ME}" "$(red "${2}") took too long."
  return 1
}

# Pushes a directory onto the stack and asserts it succeeds
#
#   #1 = the name of the calling script
#   #2 = the directory to push onto the stack
function pushDir {
  pushd "${2}" &>/dev/null || \
    { logError "${1}" "Failed to push $(sQuote "$(red "${2}")") onto directory stack." && exit 1 ; }
}

# Pops a directory from the stack and asserts it succeeds
#
#   #1 = the name of the calling script
function popDir {
  popd &>/dev/null || { logError "${1}" "Failed to pop from directory stack." && exit 1 ; }
}

#    Naively formats a URL given: scheme, host, port & path components
#
#   #1 = the scheme
#   #2 = the host
#   #3 = the port
#   #4 = the path
function makeUrl {
  echo "${1}://${2}:${3}${4}"
}