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fix: support preproduction monitoring on arm64

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This commit is contained in:
hectorzhao
2026-08-26 14:25:31 +08:00
parent b7ae1aa41a
commit b0bdb608c1
4 changed files with 200 additions and 22 deletions
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tools/monitoring/install-prometheus-monitoring.sh
+107 -10
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@@ -4,27 +4,113 @@ set -Eeuo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROMETHEUS_RETENTION_TIME="${PROMETHEUS_RETENTION_TIME:-30d}"
PROMETHEUS_RETENTION_SIZE="${PROMETHEUS_RETENTION_SIZE:-8GB}"
PROMETHEUS_VERSION="3.14.0"
PROMETHEUS_SHA256_ARM64="077f3781ab7245dc04c9a3c9b78ba120fc8e41aa0dc97489b0af67247e50ba83"
NODE_EXPORTER_VERSION="1.12.1"
NODE_EXPORTER_SHA256_ARM64="ad35b605f9954b9f1ffddf5ba054bdc5a98d790b9eae5291e1eeb83f1ecbd0e7"
if [[ "$(id -u)" -ne 0 ]]; then
echo "Run as root." >&2
exit 1
fi
if ! command -v apt-get >/dev/null 2>&1; then
echo "This installer currently supports Debian/Ubuntu apt packages only." >&2
exit 1
fi
log() { printf '\n[%s] %s\n' "$(date '+%F %T')" "$*"; }
log "Installing Prometheus and Node Exporter packages"
apt-get update
DEBIAN_FRONTEND=noninteractive apt-get install -y prometheus prometheus-node-exporter curl iproute2
install_release_binary() {
local url="$1" expected_sha256="$2" archive_member="$3" destination="$4"
local work_dir archive
work_dir="$(mktemp -d /tmp/cmpp-monitoring.XXXXXX)"
archive="$work_dir/release.tar.gz"
curl -fL --retry 5 --retry-delay 2 --connect-timeout 15 -o "$archive" "$url"
printf '%s %s\n' "$expected_sha256" "$archive" | sha256sum -c -
tar -xzf "$archive" -C "$work_dir"
install -o root -g root -m 0755 "$work_dir/$archive_member" "$destination"
rm -rf -- "$work_dir"
}
install_official_arm64_releases() {
[[ "$(uname -m)" == "aarch64" ]] || {
echo "Official-binary installation currently supports Linux aarch64 only." >&2
exit 1
}
for command_name in curl sha256sum tar; do
command -v "$command_name" >/dev/null || { echo "Missing command: $command_name" >&2; exit 1; }
done
log "Installing checksum-pinned official Prometheus ARM64 releases"
install_release_binary \
"https://github.com/prometheus/prometheus/releases/download/v${PROMETHEUS_VERSION}/prometheus-${PROMETHEUS_VERSION}.linux-arm64.tar.gz" \
"$PROMETHEUS_SHA256_ARM64" \
"prometheus-${PROMETHEUS_VERSION}.linux-arm64/prometheus" \
/usr/local/bin/prometheus
install_release_binary \
"https://github.com/prometheus/prometheus/releases/download/v${PROMETHEUS_VERSION}/prometheus-${PROMETHEUS_VERSION}.linux-arm64.tar.gz" \
"$PROMETHEUS_SHA256_ARM64" \
"prometheus-${PROMETHEUS_VERSION}.linux-arm64/promtool" \
/usr/local/bin/promtool
install_release_binary \
"https://github.com/prometheus/node_exporter/releases/download/v${NODE_EXPORTER_VERSION}/node_exporter-${NODE_EXPORTER_VERSION}.linux-arm64.tar.gz" \
"$NODE_EXPORTER_SHA256_ARM64" \
"node_exporter-${NODE_EXPORTER_VERSION}.linux-arm64/node_exporter" \
/usr/local/bin/prometheus-node-exporter
getent group prometheus >/dev/null || groupadd --system prometheus
id prometheus >/dev/null 2>&1 || useradd --system --gid prometheus --home-dir /var/lib/prometheus --shell /sbin/nologin prometheus
install -d -o root -g root -m 0755 /etc/prometheus
install -d -o prometheus -g prometheus -m 0750 /var/lib/prometheus/metrics2
cat >/etc/systemd/system/prometheus.service <<'EOF'
[Unit]
Description=Prometheus monitoring server
Wants=network-online.target
After=network-online.target
[Service]
Type=simple
User=prometheus
Group=prometheus
Restart=on-failure
RestartSec=5s
ExecStart=/usr/local/bin/prometheus
[Install]
WantedBy=multi-user.target
EOF
cat >/etc/systemd/system/prometheus-node-exporter.service <<'EOF'
[Unit]
Description=Prometheus Node Exporter
Wants=network-online.target
After=network-online.target
[Service]
Type=simple
User=prometheus
Group=prometheus
Restart=on-failure
RestartSec=5s
ExecStart=/usr/local/bin/prometheus-node-exporter
[Install]
WantedBy=multi-user.target
EOF
}
for command_name in systemctl install awk curl ss; do
command -v "$command_name" >/dev/null || { echo "Missing command: $command_name" >&2; exit 1; }
done
if command -v apt-get >/dev/null 2>&1; then
log "Installing Prometheus and Node Exporter packages"
apt-get update
DEBIAN_FRONTEND=noninteractive apt-get install -y prometheus prometheus-node-exporter curl iproute2
else
install_official_arm64_releases
fi
prometheus_bin="$(command -v prometheus)"
node_exporter_bin="$(command -v prometheus-node-exporter)"
promtool_bin="$(command -v promtool)"
backup_dir="/etc/prometheus/cmpp-backups/$(date '+%Y%m%d-%H%M%S')"
mkdir -p "$backup_dir" /etc/systemd/system/prometheus.service.d /etc/systemd/system/prometheus-node-exporter.service.d
mkdir -p "$backup_dir" /etc/systemd/system/prometheus.service.d /etc/systemd/system/prometheus-node-exporter.service.d /etc/systemd/system/cmpp-api.service.d
for config_file in /etc/prometheus/prometheus.yml /etc/prometheus/cmpp-alerts.yml /etc/prometheus/cmpp-alerts-source.yml; do
if [[ -f "$config_file" ]]; then
@@ -37,6 +123,9 @@ fi
if [[ -f /etc/systemd/system/prometheus-node-exporter.service.d/cmpp-monitoring.conf ]]; then
cp --preserve=mode,timestamps /etc/systemd/system/prometheus-node-exporter.service.d/cmpp-monitoring.conf "$backup_dir/node-exporter-service-override.conf"
fi
if [[ -f /etc/systemd/system/cmpp-api.service.d/monitoring-storage.conf ]]; then
cp --preserve=mode,timestamps /etc/systemd/system/cmpp-api.service.d/monitoring-storage.conf "$backup_dir/cmpp-api-monitoring-storage.conf"
fi
log "Installing platform-owned scrape and alert configuration"
install -o root -g root -m 0644 "$SCRIPT_DIR/prometheus.yml" /etc/prometheus/prometheus.yml
@@ -58,6 +147,14 @@ install -d -o cmpp-api -g prometheus -m 2750 /var/lib/cmpp-platform/monitoring
if [[ ! -f /var/lib/cmpp-platform/monitoring/cmpp-managed-alerts.yml ]]; then
install -o cmpp-api -g prometheus -m 0640 "$SCRIPT_DIR/cmpp-managed-alerts.yml" /var/lib/cmpp-platform/monitoring/cmpp-managed-alerts.yml
fi
chown cmpp-api:prometheus /var/lib/cmpp-platform/monitoring/cmpp-managed-alerts.yml
chmod 0640 /var/lib/cmpp-platform/monitoring/cmpp-managed-alerts.yml
# The API writes managed rules atomically. Its hardened unit otherwise sees /var/lib as read-only.
cat >/etc/systemd/system/cmpp-api.service.d/monitoring-storage.conf <<'EOF'
[Service]
ReadWritePaths=/var/lib/cmpp-platform/monitoring
EOF
cat >/etc/systemd/system/prometheus.service.d/cmpp-monitoring.conf <<EOF
[Service]
@@ -97,4 +194,4 @@ fi
log "Prometheus monitoring is ready on loopback only"
echo "Configuration backup: $backup_dir"
echo "The CMPP API and Gateway were not restarted."
echo "The CMPP API and Gateway were not restarted. Restart the API after setting PROMETHEUS_URL."