Feature/gitops (#37)

Co-authored-by: moilanik <niko.moilanen@tietoevry.com>
Reviewed-on: #37

scripts/gitops-update.sh

@@ -0,0 +1,114 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+_gitops_fail() {
+  local MSG="${1:-GitOps update failed}"
+  echo "[ERROR] ${MSG}" >&2
+
+  if [ -n "${GITOPS_REPO:-}" ] && [ -n "${GITOPS_SHA:-}" ] && \
+     [ -n "${SOURCE_REPO:-}" ] && [ -n "${SOURCE_COMMIT:-}" ] && \
+     [ -n "${GITEA_API_URL:-}" ] && [ -n "${GITEA_TOKEN:-}" ]; then
+    local env repo context
+    env=$(dirname "${INPUT_FILE}")
+    repo=$(basename "${SOURCE_REPO}")
+    context="${repo} ${GITHUB_RUN_ID:-unknown}"
+    [ -n "${GIT_TAG_PREFIX:-}" ] && context="${repo}/${GIT_TAG_PREFIX} ${GITHUB_RUN_ID:-unknown}"
+
+    local SOURCE_URL="${GITEA_API_URL}/${SOURCE_REPO}/commit/${SOURCE_COMMIT}"
+    ROOT_REPO="${GITOPS_REPO}" ROOT_COMMIT="${GITOPS_SHA}" \
+      GITEA_API_URL="${GITEA_API_URL}" GITEA_TOKEN="${GITEA_TOKEN}" \
+      bash "${SCRIPT_DIR}/report-status.sh" failure "Install to ${env} ${VERSION}" \
+      "${context}" "" "${SOURCE_URL}" 2>/dev/null || true
+  fi
+
+  exit 1
+}
+
+_gitops_validate() {
+  [ -n "${INPUT_FILE:-}" ] || _gitops_fail "INPUT_FILE is required"
+  [ -n "${YQ_TPL:-}" ] || _gitops_fail "YQ_TPL is required"
+  [ -n "${VERSION:-}" ] || _gitops_fail "VERSION is required"
+  [ -n "${SOURCE_REPO:-}" ] || _gitops_fail "SOURCE_REPO is required"
+  [ -n "${SOURCE_COMMIT:-}" ] || _gitops_fail "SOURCE_COMMIT is required"
+  [ -n "${GITOPS_REPO:-}" ] || _gitops_fail "GITOPS_REPO is required"
+  [ -n "${GITEA_TOKEN:-}" ] || _gitops_fail "GITEA_TOKEN is required"
+  [ -n "${GITEA_API_URL:-}" ] || _gitops_fail "GITEA_API_URL is required"
+}
+
+_gitops_success() {
+  local env repo context
+  env=$(dirname "${INPUT_FILE}")
+  repo=$(basename "${SOURCE_REPO}")
+  context="${repo} ${GITHUB_RUN_ID:-unknown}"
+  [ -n "${GIT_TAG_PREFIX:-}" ] && context="${repo}/${GIT_TAG_PREFIX} ${GITHUB_RUN_ID:-unknown}"
+
+  local SOURCE_URL="${GITEA_API_URL}/${SOURCE_REPO}/commit/${SOURCE_COMMIT}"
+
+  ROOT_REPO="${GITOPS_REPO}" ROOT_COMMIT="${GITOPS_SHA}" \
+    GITEA_API_URL="${GITEA_API_URL}" GITEA_TOKEN="${GITEA_TOKEN}" \
+    bash "${SCRIPT_DIR}/report-status.sh" success \
+    "Install to ${env} ${VERSION}" \
+    "${context}" "" "${SOURCE_URL}"
+}
+
+_gitops_nochange() {
+  local env repo context
+  env=$(dirname "${INPUT_FILE}")
+  repo=$(basename "${SOURCE_REPO}")
+  context="${repo} ${GITHUB_RUN_ID:-unknown}"
+  [ -n "${GIT_TAG_PREFIX:-}" ] && context="${repo}/${GIT_TAG_PREFIX} ${GITHUB_RUN_ID:-unknown}"
+
+  local SOURCE_URL="${GITEA_API_URL}/${SOURCE_REPO}/commit/${SOURCE_COMMIT}"
+
+  ROOT_REPO="${GITOPS_REPO}" ROOT_COMMIT="${GITOPS_SHA}" \
+    GITEA_API_URL="${GITEA_API_URL}" GITEA_TOKEN="${GITEA_TOKEN}" \
+    bash "${SCRIPT_DIR}/report-status.sh" success \
+    "Install to ${env} ${VERSION} — no change" \
+    "${context}" "" "${SOURCE_URL}"
+}
+
+_gitops_substitute() {
+  echo "$1" | sed "s/{{VERSION}}/$2/g"
+}
+
+_gitops_update() {
+  local CLONE_DIR="${GITOPS_TARGET_DIR:-$(mktemp -d)}"
+
+  if [ -n "${GITOPS_CLONE_URL:-}" ]; then
+    git clone "${GITOPS_CLONE_URL}" "${CLONE_DIR}" || _gitops_fail "Failed to clone GitOps repo"
+  else
+    git clone "${CLONE_URL}" "${CLONE_DIR}" || _gitops_fail "Failed to clone GitOps repo"
+  fi
+
+  cd "${CLONE_DIR}" || _gitops_fail "Failed to enter clone directory"
+  yq eval -i "${YQ_EXPR}" "${INPUT_FILE}" || _gitops_fail "Failed to update ${INPUT_FILE}"
+  git add "${INPUT_FILE}" || _gitops_fail "Failed to stage ${INPUT_FILE}"
+
+  if git diff --cached --quiet; then
+    echo "No changes — ${INPUT_FILE} already at ${VERSION}"
+    GITOPS_SHA="$(git rev-parse HEAD)"
+    _gitops_nochange
+    exit 0
+  fi
+
+  git -c user.name="gitea-ci-bot" \
+      -c user.email="ci@keskikuja.site" \
+      commit -m "[skip ci] gitops: update version to ${VERSION}" || _gitops_fail "Failed to commit"
+  GITOPS_SHA="$(git rev-parse HEAD)"
+  git push || _gitops_fail "Failed to push"
+
+  _gitops_success
+}
+
+_gitops_validate
+
+YQ_EXPR=$(_gitops_substitute "${YQ_TPL}" "${VERSION}")
+
+GITEA_HOST=$(echo "${GITEA_API_URL}" | sed 's|https://||' | sed 's|http://||')
+CLONE_URL="${GITOPS_CLONE_URL:-https://${GITEA_TOKEN}@${GITEA_HOST}/${GITOPS_REPO}.git}"
+
+if [ "${BASH_SOURCE[0]}" = "${0}" ]; then
+  _gitops_update
+fi