87 lines
2.3 KiB
Bash
87 lines
2.3 KiB
Bash
#!/usr/bin/env bash
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# Remote deployment steps (run on the server via bash -s or scp + bash).
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set -euo pipefail
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REMOTE_DIR="$1"
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BRANCH="$2"
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EXPECTED_SHA="$3"
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COMPOSE_SERVICE="$4"
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HEALTH_RETRIES="$5"
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HEALTH_INTERVAL="$6"
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info() { printf '==> [remote] %s\n' "$*"; }
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die() { printf 'ERROR: [remote] %s\n' "$*" >&2; exit 1; }
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command -v docker >/dev/null 2>&1 || die "docker not found on remote host"
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docker compose version >/dev/null 2>&1 || die "docker compose not available on remote host"
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[[ -d "$REMOTE_DIR/.git" ]] || die "Directory is not a git repo: $REMOTE_DIR"
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cd "$REMOTE_DIR"
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if [[ -n "$(git status --porcelain)" ]]; then
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die "Remote working tree is dirty. Resolve local changes on the server first."
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fi
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info "Fetching origin…"
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git fetch origin
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REMOTE_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
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if [[ "$REMOTE_BRANCH" != "$BRANCH" ]]; then
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info "Checking out branch $BRANCH"
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git checkout "$BRANCH"
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fi
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info "Fast-forwarding to origin/$BRANCH"
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git pull --ff-only origin "$BRANCH"
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ACTUAL_SHA="$(git rev-parse HEAD)"
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if [[ "$ACTUAL_SHA" != "$EXPECTED_SHA" ]]; then
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die "Remote SHA mismatch after pull (expected $EXPECTED_SHA, got $ACTUAL_SHA)."
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fi
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info "Rebuilding and starting containers…"
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docker compose up -d --build --remove-orphans
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wait_for_docker_health() {
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info "Waiting for Docker health check (service: $COMPOSE_SERVICE)…"
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local cid=""
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local status="starting"
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for ((i = 1; i <= HEALTH_RETRIES; i++)); do
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cid="$(docker compose ps -q "$COMPOSE_SERVICE" 2>/dev/null | head -1)"
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if [[ -z "$cid" ]]; then
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status="no container"
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sleep "$HEALTH_INTERVAL"
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continue
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fi
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status="$(docker inspect -f '{{if .State.Health}}{{.State.Health.Status}}{{else}}none{{end}}' "$cid")"
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case "$status" in
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healthy)
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info "Docker health check OK"
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return 0
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;;
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unhealthy)
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die "Docker health check reported unhealthy."
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;;
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esac
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sleep "$HEALTH_INTERVAL"
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done
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die "Docker health check did not become healthy after $((HEALTH_RETRIES * HEALTH_INTERVAL))s (last status: $status)."
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}
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wait_for_docker_health
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info "Pruning stopped containers…"
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docker container prune -f >/dev/null
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info "Pruning dangling images…"
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docker image prune -f >/dev/null
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info "Service status:"
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docker compose ps
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