root
159 lines
2.3 KiB
Bash
Executable File
159 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -Eeuo pipefail
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ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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SRC="${ROOT}/stacks/haproxy"
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LIVE="/srv/nfs/infra/haproxy"
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ENV_FILE="${LIVE}/.env"
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BACKUP_ROOT="/srv/nfs/infra/.deploy-backups/haproxy"
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STAMP="$(date '+%Y%m%d-%H%M%S')"
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BACKUP="${BACKUP_ROOT}/${STAMP}"
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echo "=== HAProxy deployment ==="
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#
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# 1. Pre-deployment validation
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#
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"${ROOT}/scripts/validate-haproxy.sh"
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#
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# 2. Backup current configuration
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#
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echo
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echo "--- Backup current configuration ---"
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mkdir -p "${BACKUP}/conf"
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cp -a \
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"${LIVE}/docker-compose.yml" \
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"${BACKUP}/docker-compose.yml"
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rsync -a \
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"${LIVE}/conf/" \
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"${BACKUP}/conf/"
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echo "Backup: ${BACKUP}"
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#
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# Rollback function
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#
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rollback()
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{
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rc=$?
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echo
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echo "!!! Deployment failed"
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echo "!!! Restoring ${BACKUP}"
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cp -a \
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"${BACKUP}/docker-compose.yml" \
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"${LIVE}/docker-compose.yml"
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rsync -a --delete \
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"${BACKUP}/conf/" \
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"${LIVE}/conf/"
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(
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cd "${LIVE}"
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docker compose \
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--env-file "${ENV_FILE}" \
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up -d --remove-orphans || true
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docker compose \
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--env-file "${ENV_FILE}" \
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restart haproxy || true
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)
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exit "${rc}"
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}
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trap rollback ERR
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#
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# 3. Deploy files
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#
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echo
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echo "--- Deploy configuration ---"
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install \
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-m 0644 \
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"${SRC}/docker-compose.yml" \
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"${LIVE}/docker-compose.yml"
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rsync -a --delete \
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"${SRC}/conf/" \
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"${LIVE}/conf/"
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#
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# 4. Apply Docker Compose
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#
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echo
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echo "--- Apply Docker Compose ---"
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cd "${LIVE}"
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docker compose \
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--env-file "${ENV_FILE}" \
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up -d --remove-orphans
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#
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# HAProxy config is bind-mounted.
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# docker compose will not automatically restart HAProxy
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# just because haproxy.cfg changed.
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#
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echo
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echo "--- Restart HAProxy ---"
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docker compose \
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--env-file "${ENV_FILE}" \
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restart haproxy
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#
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# 5. Post-deployment validation
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#
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sleep 2
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RUNNING="$(
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docker inspect \
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-f '{{.State.Running}}' \
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haproxy
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)"
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if [[ "${RUNNING}" != "true" ]]; then
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echo "ERROR: HAProxy container is not running"
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exit 1
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fi
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docker exec \
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haproxy \
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haproxy \
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-c \
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-f /usr/local/etc/haproxy/haproxy.cfg
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trap - ERR
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echo
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echo "=== Deployment successful ==="
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echo "Backup: ${BACKUP}"
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