run-openshift

#!/bin/bash
#
# Test the Postgresql image in OpenShift.
#
# IMAGE_NAME specifies a name of the candidate image used for testing.
# The image has to be available before this script is executed.
#

THISDIR=$(dirname ${BASH_SOURCE[0]})

source "$THISDIR"/test-lib-openshift.sh

set -exo nounset

test -n "${IMAGE_NAME-}" || false 'make sure $IMAGE_NAME is defined'
test -n "${VERSION-}" || false 'make sure $VERSION is defined'

function check_postgresql_os_service_connection() {
  local util_image_name=$1 ; shift
  local service_name=$1 ; shift
  local user=$1 ; shift
  local pass=$1 ; shift
  local database=$1 ; shift
  local timeout=${1:-60} ; shift || :
  local pod_ip=$(ct_os_get_service_ip ${service_name})

  : "  Service ${service_name} check ..."

  local cmd="PGPASSWORD=${pass} pg_isready -t 15 -h ${pod_ip} -U ${user} -d ${database}"
  local expected_value='accepting connections'
  local output
  local ret
  SECONDS=0

  echo -n "Waiting for ${service_name} service becoming ready ..."
  while true ; do
    output=$(docker run --rm ${util_image_name} bash -c "${cmd}" || :)
    echo "${output}" | grep -qe "${expected_value}" && ret=0 || ret=1
    if [ ${ret} -eq 0 ] ; then
      echo " PASS"
      return 0
    fi
    echo -n "."
    [ ${SECONDS} -gt ${timeout} ] && break
    sleep 3
  done
  echo " FAIL"
  return 1
}

function test_postgresql_pure_image() {
  local image_name=$1
  local image_name_no_namespace=${image_name##*/}
  local service_name=${image_name_no_namespace}

  ct_os_new_project
  ct_os_upload_image "${image_name}"
  # Create a specific imagestream tag for the image so that oc cannot use anything else
  ct_os_upload_image "${image_name}" "$image_name_no_namespace:testing"

  ct_os_deploy_pure_image "$image_name_no_namespace:testing" \
                          --name "${service_name}" \
                          --env POSTGRESQL_ADMIN_PASSWORD=test

  ct_os_wait_pod_ready "${service_name}" 60
  check_postgresql_os_service_connection "${image_name}" "${service_name}" postgres test postgres

  ct_os_delete_project
}

function test_postgresql_template() {
  local image_name=${1:-centos/postgresql-96-centos7}
  local image_name_no_namespace=${image_name##*/}
  local service_name=${image_name_no_namespace}

  ct_os_new_project
  ct_os_upload_image "${image_name}" "postgresql:$VERSION"

  ct_os_deploy_template_image "$THISDIR/postgresql-ephemeral-template.json" \
                              NAMESPACE="$(oc project -q)" \
                              POSTGRESQL_VERSION="$VERSION" \
                              DATABASE_SERVICE_NAME="${service_name}" \
                              POSTGRESQL_USER=testu \
                              POSTGRESQL_PASSWORD=testp \
                              POSTGRESQL_DATABASE=testdb

  ct_os_wait_pod_ready "${service_name}" 60
  check_postgresql_os_service_connection "${image_name}" "${service_name}" testu testp testdb

  ct_os_delete_project
}

ct_os_cluster_up
test_postgresql_pure_image "${IMAGE_NAME}"
test_postgresql_template "${IMAGE_NAME}"