| 1 | #!/usr/bin/env bash |
| 2 | set -Eeuo pipefail |
| 3 | umask 022 |
| 4 | |
| 5 | # ── config ────────────────────────────────────────────────────────────── |
| 6 | SITE="cob.musicsian.com" |
| 7 | WEB_ROOT="/var/www/$SITE" |
| 8 | RELEASES="$WEB_ROOT/releases" |
| 9 | CURRENT="$WEB_ROOT/current" |
| 10 | STAMP="${1:-$(date +%Y-%m-%d-%H%M%S)}" # you can pass a stamp manually if you want |
| 11 | KEEP="${KEEP:-10}" # how many releases to keep |
| 12 | PROJECT_DIR="$(cd "$(dirname "$0")" && pwd)" |
| 13 | STAGE="${STAGE_DIR:-$HOME/builds/$SITE/$STAMP}" |
| 14 | |
| 15 | # ── ensure dirs exist ─────────────────────────────────────────────────── |
| 16 | echo "▶ Ensure web root" |
| 17 | sudo install -d -m 0755 "$WEB_ROOT" |
| 18 | sudo install -d -m 0755 "$RELEASES" |
| 19 | |
| 20 | # ── stage ─────────────────────────────────────────────────────────────── |
| 21 | echo "▶ Stage files → $STAGE" |
| 22 | mkdir -p "$STAGE" |
| 23 | # Only ship the static site files we care about |
| 24 | rsync -az --delete \ |
| 25 | --include '/index.html' \ |
| 26 | --include '/favicon.ico' \ |
| 27 | --include '/css/***' \ |
| 28 | --include '/js/***' \ |
| 29 | --exclude '*' \ |
| 30 | "$PROJECT_DIR"/ "$STAGE"/ |
| 31 | |
| 32 | echo "▶ Verify staged content" |
| 33 | ls -l "$STAGE" |
| 34 | test -f "$STAGE/index.html" || { echo "✗ index.html missing in stage"; exit 1; } |
| 35 | test -d "$STAGE/css" || { echo "✗ css/ missing in stage"; exit 1; } |
| 36 | test -d "$STAGE/js" || { echo "✗ js/ missing in stage"; exit 1; } |
| 37 | |
| 38 | # ── publish ───────────────────────────────────────────────────────────── |
| 39 | echo "▶ Publish → $RELEASES/$STAMP" |
| 40 | sudo rsync -az --delete "$STAGE"/ "$RELEASES/$STAMP"/ |
| 41 | |
| 42 | echo "▶ Verify release contents" |
| 43 | sudo test -f "$RELEASES/$STAMP/index.html" || { echo "✗ index.html missing in release"; exit 1; } |
| 44 | sudo test -d "$RELEASES/$STAMP/css" || { echo "✗ css/ missing in release"; exit 1; } |
| 45 | sudo test -d "$RELEASES/$STAMP/js" || { echo "✗ js/ missing in release"; exit 1; } |
| 46 | |
| 47 | # show release contents for debugging |
| 48 | echo "▶ Release contents:" |
| 49 | sudo ls -la "$RELEASES/$STAMP" |
| 50 | |
| 51 | # ── harden perms & preflight readability (as nginx user) ──────────────── |
| 52 | echo "▶ Fix ownership/permissions and preflight readability" |
| 53 | sudo chown -R root:root "$RELEASES/$STAMP" |
| 54 | sudo find "$RELEASES/$STAMP" -type d -exec chmod 0755 {} + |
| 55 | sudo find "$RELEASES/$STAMP" -type f -exec chmod 0644 {} + |
| 56 | |
| 57 | NGINX_USER="nginx" |
| 58 | if id "$NGINX_USER" >/dev/null 2>&1; then |
| 59 | sudo -u "$NGINX_USER" test -r "$RELEASES/$STAMP/index.html" || { echo "✗ nginx user cannot read index.html"; exit 1; } |
| 60 | else |
| 61 | echo "! Warn: nginx user '$NGINX_USER' not found; skipping readability check" |
| 62 | fi |
| 63 | |
| 64 | # ── flip symlink (with rollback trap) ─────────────────────────────────── |
| 65 | echo "▶ Flip symlink" |
| 66 | # Save previous target for potential rollback |
| 67 | prev="$(readlink -f "$CURRENT" 2>/dev/null || true)" |
| 68 | if [[ -n "$prev" ]]; then |
| 69 | echo " Previous release: $prev" |
| 70 | fi |
| 71 | |
| 72 | # FIXED: Remove old symlink first, then create new one atomically |
| 73 | if [[ -L "$CURRENT" ]]; then |
| 74 | sudo rm -f "$CURRENT" |
| 75 | fi |
| 76 | sudo ln -sfn "$RELEASES/$STAMP" "$CURRENT" |
| 77 | |
| 78 | # Verify the symlink is correct |
| 79 | echo "▶ Verify symlink" |
| 80 | if [[ ! -L "$CURRENT" ]]; then |
| 81 | echo "✗ $CURRENT is not a symlink" |
| 82 | exit 1 |
| 83 | fi |
| 84 | |
| 85 | LINK_TARGET="$(readlink -f "$CURRENT")" |
| 86 | echo " Current → $LINK_TARGET" |
| 87 | |
| 88 | # Ensure the symlink points to the right place |
| 89 | if [[ "$LINK_TARGET" != "$RELEASES/$STAMP" ]]; then |
| 90 | echo "✗ Symlink points to wrong location" |
| 91 | echo " Expected: $RELEASES/$STAMP" |
| 92 | echo " Got: $LINK_TARGET" |
| 93 | exit 1 |
| 94 | fi |
| 95 | |
| 96 | # Ensure the flipped target is actually valid |
| 97 | if ! sudo test -f "$CURRENT/index.html"; then |
| 98 | echo "✗ current release missing index.html; rolling back" |
| 99 | if [[ -n "${prev:-}" ]] && [[ -d "$prev" ]]; then |
| 100 | sudo ln -sfn "$prev" "$CURRENT" |
| 101 | fi |
| 102 | exit 1 |
| 103 | fi |
| 104 | |
| 105 | # Setup rollback function |
| 106 | rollback() { |
| 107 | echo "⚠️ Rolling back symlink to previous release" |
| 108 | if [[ -n "${prev:-}" ]] && [[ -d "$prev" ]]; then |
| 109 | sudo ln -sfn "$prev" "$CURRENT" |
| 110 | echo " Rolled back to: $prev" |
| 111 | else |
| 112 | echo " No previous release to rollback to" |
| 113 | fi |
| 114 | } |
| 115 | trap 'rollback' ERR |
| 116 | |
| 117 | # ── selinux restore (safe if SELinux is permissive/disabled) ──────────── |
| 118 | echo "▶ Restore SELinux context" |
| 119 | sudo restorecon -Rv "$RELEASES/$STAMP" >/dev/null 2>&1 || true |
| 120 | sudo restorecon -v "$CURRENT" >/dev/null 2>&1 || true |
| 121 | |
| 122 | # ── quick health check (non-fatal) ───────────────────────────────────── |
| 123 | if command -v curl >/dev/null 2>&1; then |
| 124 | echo "▶ Health check: GET https://$SITE/" |
| 125 | if curl -fsS -o /dev/null -w " Status: %{http_code}\n" "https://$SITE/" --max-time 5; then |
| 126 | echo " ✓ Site responding" |
| 127 | else |
| 128 | echo " ⚠ Site health check failed (non-fatal)" |
| 129 | fi |
| 130 | fi |
| 131 | |
| 132 | # ── nginx reload (only if config passes) ──────────────────────────────── |
| 133 | echo "▶ Test & reload Nginx" |
| 134 | if sudo nginx -t 2>/dev/null; then |
| 135 | sudo systemctl reload nginx |
| 136 | echo " ✓ Nginx reloaded" |
| 137 | else |
| 138 | echo "✗ nginx -t failed" |
| 139 | exit 1 |
| 140 | fi |
| 141 | |
| 142 | # ── prune old releases ────────────────────────────────────────────────── |
| 143 | echo "▶ Prune old releases (keep $KEEP)" |
| 144 | # FIXED: Exclude the current release from pruning |
| 145 | CURRENT_RELEASE="$(basename "$(readlink -f "$CURRENT")")" |
| 146 | OLD_RELEASES=$(sudo bash -c "ls -1dt $RELEASES/* 2>/dev/null | grep -v '$CURRENT_RELEASE' | tail -n +$((KEEP+1))" || true) |
| 147 | if [[ -n "$OLD_RELEASES" ]]; then |
| 148 | echo "$OLD_RELEASES" | while read -r old_release; do |
| 149 | echo " Removing: $(basename "$old_release")" |
| 150 | done |
| 151 | echo "$OLD_RELEASES" | sudo xargs -r rm -rf |
| 152 | else |
| 153 | echo " No old releases to prune" |
| 154 | fi |
| 155 | |
| 156 | echo "✓ Deployed $STAMP → $SITE" |
| 157 | echo " Live at: https://$SITE/" |