first scripts and configs

monitoring/install-node-exporter.sh

@@ -0,0 +1,77 @@
+#!/bin/sh -e
+VERSION=1.3.0
+RELEASE=node_exporter-${VERSION}.linux-amd64
+
+_check_root () {
+    if [ $(id -u) -ne 0 ]; then
+        echo "Please run as root" >&2;
+        exit 1;
+    fi
+}
+
+_install_curl () {
+    if [ -x "$(command -v curl)" ]; then
+        return
+    fi
+
+    if [ -x "$(command -v apt-get)" ]; then
+        apt-get update
+        apt-get -y install curl
+    elif [ -x "$(command -v yum)" ]; then
+        yum -y install curl
+    else
+        echo "No known package manager found" >&2;
+        exit 1;
+    fi
+}
+
+_check_root
+_install_curl
+
+cd /tmp
+curl -sSL https://github.com/prometheus/node_exporter/releases/download/v${VERSION}/${RELEASE}.tar.gz | tar xz
+#mkdir -p /opt/node_exporter
+cp ${RELEASE}/node_exporter /usr/local/bin/
+rm -rf /tmp/${RELEASE}
+useradd --system --no-create-home --shell /usr/sbin/nologin prometheus
+
+if [ -x "$(command -v systemctl)" ]; then
+    cat << EOF > /etc/systemd/system/node-exporter.service
+[Unit]
+Description=Prometheus exporter for machine metrics
+
+[Service]
+Restart=always
+User=prometheus
+ExecStart=/usr/local/bin/node_exporter
+ExecReload=/bin/kill -HUP $MAINPID
+TimeoutStopSec=20s
+SendSIGKILL=no
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+    systemctl daemon-reload
+    systemctl enable node-exporter
+    systemctl start node-exporter
+    systemctl status node-exporter
+fi
+#elif [ -x "$(command -v chckconfig)" ]; then
+#    cat << EOF >> /etc/inittab
+#::respawn:/opt/node_exporter/node_exporter
+#EOF
+#elif [ -x "$(command -v initctl)" ]; then
+#    cat << EOF > /etc/init/node-exporter.conf
+#start on runlevel [23456]
+#stop on runlevel [016]
+#exec /opt/node_exporter/node_exporter
+#respawn
+#EOF
+#
+#    initctl reload-configuration
+#    stop node-exporter || true && start node-exporter
+#else
+#    echo "No known service management found" >&2;
+#    exit 1;
+#fi