render-dvp-static-values.sh

#!/usr/bin/env bash

# Copyright 2026 Flant JSC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -Eeuo pipefail

SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck source=.github/scripts/bash/e2e/common.sh
source "${SCRIPT_DIR}/common.sh"

require_env NAMESPACE
require_env STORAGE_TYPE
require_env DECKHOUSE_CHANNEL
require_env DECKHOUSE_VERSION
require_env POD_SUBNET_CIDR
require_env SERVICE_SUBNET_CIDR
require_env K8S_VERSION
require_env REGISTRY
require_env REGISTRY_DOCKER_CFG
require_env VIRTUALIZATION_IMAGE_URL
require_env DEFAULT_USER
require_env APT_MIRROR_ENABLED
require_env APT_MIRROR_NAME
require_env APT_MIRROR_URL
require_env CLUSTER_CONFIG_WORKERS_MEMORY
require_env ADDITIONAL_DISK_SIZE
require_env NESTED_CLUSTER_NETWORK_NAME
require_env DEV_REGISTRY_DOCKER_CFG

default_storage_class="$(kubectl get storageclass -o json \
  | jq -r '.items[] | select(.metadata.annotations."storageclass.kubernetes.io/is-default-class" == "true") | .metadata.name')"

if [[ -z "${default_storage_class}" ]]; then
  echo "No default StorageClass found in the cluster" >&2
  exit 1
fi

export DEFAULT_STORAGE_CLASS="${default_storage_class}"

# Derive the envsubst whitelist from the template so it never drifts: only the
# placeholders actually used in values.yaml.tmpl are substituted, everything else
# is left intact.
envsubst_variables="$(grep -oE '\$\{[A-Z0-9_]+\}' values.yaml.tmpl | sort -u | tr '\n' ' ')"

envsubst "${envsubst_variables}" \
  < values.yaml.tmpl > values.yaml

# The template defines one additional worker disk. When ADDITIONAL_DISK_COUNT > 1
# (e.g. sds-elastic runs several Ceph OSDs per node), append the extra disks, each
# of ADDITIONAL_DISK_SIZE, to every worker node group.
additional_disk_count="${ADDITIONAL_DISK_COUNT:-1}"
if (( additional_disk_count > 1 )); then
  for (( d = 2; d <= additional_disk_count; d++ )); do
    # ADDITIONAL_DISK_SIZE is exported by the workflow step env and read by yq's env().
    yq eval --inplace \
      '(.instances.additionalNodes[] | select(.name == "worker") | .cfg.additionalDisks) += [{"size": env(ADDITIONAL_DISK_SIZE)}]' \
      values.yaml
  done
fi

mkdir -p tmp
touch tmp/discovered-values.yaml

# shellcheck disable=SC2153,SC2154
registry="$(registry_host_from_docker_cfg "${DEV_REGISTRY_DOCKER_CFG}")"
auth="$(base64 -d <<< "${DEV_REGISTRY_DOCKER_CFG}" | jq -r '.auths | to_entries[0].value.auth')"

REGISTRY="${registry}" AUTH="${auth}" yq eval --inplace \
  '.discovered.registry_url = env(REGISTRY) | .discovered.registry_auth = env(AUTH)' \
  tmp/discovered-values.yaml