From 29ee65e1aed89dc2c13a898c56ae69a7138c9939 Mon Sep 17 00:00:00 2001
From: root <root@docker-infra-01.zk-tech.info>
Date: Mon, 28 Sep 2026 20:31:13 +0300
Subject: [PATCH] Add HAProxy CI/CD

---
 .gitea/workflows/haproxy.yml |  38 +++++++++
 scripts/deploy-haproxy.sh    | 158 +++++++++++++++++++++++++++++++++++
 scripts/validate-haproxy.sh  |  89 ++++++++++++++++++++
 3 files changed, 285 insertions(+)
 create mode 100644 .gitea/workflows/haproxy.yml
 create mode 100755 scripts/deploy-haproxy.sh
 create mode 100755 scripts/validate-haproxy.sh

diff --git a/.gitea/workflows/haproxy.yml b/.gitea/workflows/haproxy.yml
new file mode 100644
index 0000000..76b8fd1
--- /dev/null
+++ b/.gitea/workflows/haproxy.yml
@@ -0,0 +1,38 @@
+name: HAProxy CI/CD
+
+on:
+  push:
+    paths:
+      - "stacks/haproxy/**"
+      - "scripts/validate-haproxy.sh"
+      - "scripts/deploy-haproxy.sh"
+      - ".gitea/workflows/haproxy.yml"
+
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+
+  haproxy:
+
+    name: Validate and deploy HAProxy
+
+    runs-on: docker-home-01
+
+    steps:
+
+      - name: Checkout repository
+        uses: actions/checkout@v7
+        with:
+          persist-credentials: false
+
+      - name: Validate configuration
+        run: |
+          ./scripts/validate-haproxy.sh
+
+      - name: Deploy to production
+        if: ${{ gitea.ref == 'refs/heads/main' }}
+        run: |
+          ./scripts/deploy-haproxy.sh
diff --git a/scripts/deploy-haproxy.sh b/scripts/deploy-haproxy.sh
new file mode 100755
index 0000000..f2f40d0
--- /dev/null
+++ b/scripts/deploy-haproxy.sh
@@ -0,0 +1,158 @@
+#!/usr/bin/env bash
+
+set -Eeuo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+
+SRC="${ROOT}/stacks/haproxy"
+LIVE="/srv/nfs/infra/haproxy"
+ENV_FILE="${LIVE}/.env"
+
+BACKUP_ROOT="/srv/nfs/infra/.deploy-backups/haproxy"
+STAMP="$(date '+%Y%m%d-%H%M%S')"
+BACKUP="${BACKUP_ROOT}/${STAMP}"
+
+echo "=== HAProxy deployment ==="
+
+
+#
+# 1. Pre-deployment validation
+#
+
+"${ROOT}/scripts/validate-haproxy.sh"
+
+
+#
+# 2. Backup current configuration
+#
+
+echo
+echo "--- Backup current configuration ---"
+
+mkdir -p "${BACKUP}/conf"
+
+cp -a \
+    "${LIVE}/docker-compose.yml" \
+    "${BACKUP}/docker-compose.yml"
+
+rsync -a \
+    "${LIVE}/conf/" \
+    "${BACKUP}/conf/"
+
+echo "Backup: ${BACKUP}"
+
+
+#
+# Rollback function
+#
+
+rollback()
+{
+    rc=$?
+
+    echo
+    echo "!!! Deployment failed"
+    echo "!!! Restoring ${BACKUP}"
+
+    cp -a \
+        "${BACKUP}/docker-compose.yml" \
+        "${LIVE}/docker-compose.yml"
+
+    rsync -a --delete \
+        "${BACKUP}/conf/" \
+        "${LIVE}/conf/"
+
+    (
+        cd "${LIVE}"
+
+        docker compose \
+            --env-file "${ENV_FILE}" \
+            up -d --remove-orphans || true
+
+        docker compose \
+            --env-file "${ENV_FILE}" \
+            restart haproxy || true
+    )
+
+    exit "${rc}"
+}
+
+trap rollback ERR
+
+
+#
+# 3. Deploy files
+#
+
+echo
+echo "--- Deploy configuration ---"
+
+install \
+    -m 0644 \
+    "${SRC}/docker-compose.yml" \
+    "${LIVE}/docker-compose.yml"
+
+rsync -a --delete \
+    "${SRC}/conf/" \
+    "${LIVE}/conf/"
+
+
+#
+# 4. Apply Docker Compose
+#
+
+echo
+echo "--- Apply Docker Compose ---"
+
+cd "${LIVE}"
+
+docker compose \
+    --env-file "${ENV_FILE}" \
+    up -d --remove-orphans
+
+
+#
+# HAProxy config is bind-mounted.
+# docker compose will not automatically restart HAProxy
+# just because haproxy.cfg changed.
+#
+
+echo
+echo "--- Restart HAProxy ---"
+
+docker compose \
+    --env-file "${ENV_FILE}" \
+    restart haproxy
+
+
+#
+# 5. Post-deployment validation
+#
+
+sleep 2
+
+RUNNING="$(
+    docker inspect \
+        -f '{{.State.Running}}' \
+        haproxy
+)"
+
+if [[ "${RUNNING}" != "true" ]]; then
+    echo "ERROR: HAProxy container is not running"
+    exit 1
+fi
+
+
+docker exec \
+    haproxy \
+    haproxy \
+        -c \
+        -f /usr/local/etc/haproxy/haproxy.cfg
+
+
+trap - ERR
+
+
+echo
+echo "=== Deployment successful ==="
+echo "Backup: ${BACKUP}"
diff --git a/scripts/validate-haproxy.sh b/scripts/validate-haproxy.sh
new file mode 100755
index 0000000..4d42afa
--- /dev/null
+++ b/scripts/validate-haproxy.sh
@@ -0,0 +1,89 @@
+#!/usr/bin/env bash
+
+set -Eeuo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+
+SRC="${ROOT}/stacks/haproxy"
+LIVE="/srv/nfs/infra/haproxy"
+ENV_FILE="${LIVE}/.env"
+
+echo "=== HAProxy validation ==="
+
+if [[ ! -f "${ENV_FILE}" ]]; then
+    echo "ERROR: ${ENV_FILE} not found"
+    exit 1
+fi
+
+if [[ ! -f "${SRC}/docker-compose.yml" ]]; then
+    echo "ERROR: docker-compose.yml not found"
+    exit 1
+fi
+
+if [[ ! -f "${SRC}/conf/haproxy.cfg" ]]; then
+    echo "ERROR: haproxy.cfg not found"
+    exit 1
+fi
+
+
+echo
+echo "--- Validate docker-compose.yml ---"
+
+docker compose \
+    --env-file "${ENV_FILE}" \
+    -f "${SRC}/docker-compose.yml" \
+    config >/dev/null
+
+
+echo
+echo "--- Detect HAProxy image ---"
+
+HAPROXY_IMAGE="$(
+    docker compose \
+        --env-file "${ENV_FILE}" \
+        -f "${SRC}/docker-compose.yml" \
+        config --images |
+    grep -m1 -E '(^|/)haproxy:'
+)"
+
+if [[ -z "${HAPROXY_IMAGE}" ]]; then
+    echo "ERROR: HAProxy image not found in compose"
+    exit 1
+fi
+
+echo "HAProxy image: ${HAPROXY_IMAGE}"
+
+
+echo
+echo "--- Validate haproxy.cfg ---"
+
+TMP_DIR="$(mktemp -d)"
+
+cleanup()
+{
+    rm -rf "${TMP_DIR}"
+}
+
+trap cleanup EXIT
+
+mkdir -p "${TMP_DIR}/conf"
+
+rsync -a \
+    "${SRC}/conf/" \
+    "${TMP_DIR}/conf/"
+
+
+docker run \
+    --rm \
+    -v "${TMP_DIR}/conf:/usr/local/etc/haproxy:ro" \
+    -v "${LIVE}/certs:/etc/haproxy/certs:ro" \
+    -v "${LIVE}/crowdsec/lua:/usr/lib/crowdsec-haproxy-spoa-bouncer/lua:ro" \
+    -v "${LIVE}/crowdsec/templates:/var/lib/crowdsec-haproxy-spoa-bouncer/html:ro" \
+    "${HAPROXY_IMAGE}" \
+    haproxy \
+        -c \
+        -f /usr/local/etc/haproxy/haproxy.cfg
+
+
+echo
+echo "=== Validation successful ==="