add vendoring with go dep

vendor/github.com/influxdata/influxdb/scripts/post-install.sh

@@ -0,0 +1,73 @@
+#!/bin/bash
+
+BIN_DIR=/usr/bin
+DATA_DIR=/var/lib/influxdb
+LOG_DIR=/var/log/influxdb
+SCRIPT_DIR=/usr/lib/influxdb/scripts
+LOGROTATE_DIR=/etc/logrotate.d
+
+function install_init {
+    cp -f $SCRIPT_DIR/init.sh /etc/init.d/influxdb
+    chmod +x /etc/init.d/influxdb
+}
+
+function install_systemd {
+    cp -f $SCRIPT_DIR/influxdb.service /lib/systemd/system/influxdb.service
+    systemctl enable influxdb
+}
+
+function install_update_rcd {
+    update-rc.d influxdb defaults
+}
+
+function install_chkconfig {
+    chkconfig --add influxdb
+}
+
+id influxdb &>/dev/null
+if [[ $? -ne 0 ]]; then
+    useradd --system -U -M influxdb -s /bin/false -d $DATA_DIR
+fi
+
+chown -R -L influxdb:influxdb $DATA_DIR
+chown -R -L influxdb:influxdb $LOG_DIR
+
+# Add defaults file, if it doesn't exist
+if [[ ! -f /etc/default/influxdb ]]; then
+    touch /etc/default/influxdb
+fi
+
+# Remove legacy symlink, if it exists
+if [[ -L /etc/init.d/influxdb ]]; then
+    rm -f /etc/init.d/influxdb
+fi
+
+# Distribution-specific logic
+if [[ -f /etc/redhat-release ]]; then
+    # RHEL-variant logic
+    which systemctl &>/dev/null
+    if [[ $? -eq 0 ]]; then
+	install_systemd
+    else
+	# Assuming sysv
+	install_init
+	install_chkconfig
+    fi
+elif [[ -f /etc/debian_version ]]; then
+    # Debian/Ubuntu logic
+    which systemctl &>/dev/null
+    if [[ $? -eq 0 ]]; then
+	install_systemd
+    else
+	# Assuming sysv
+	install_init
+	install_update_rcd
+    fi
+elif [[ -f /etc/os-release ]]; then
+    source /etc/os-release
+    if [[ $ID = "amzn" ]]; then
+	# Amazon Linux logic
+	install_init
+	install_chkconfig
+    fi
+fi