add telegraf log directory /var/log/kolla/telegraf

Closes-Bug: #1622609

Change-Id: I89d4059e2c31b7f1737c147479cdc3c36b06fa69

docker/telegraf/Dockerfile.j2

@@ -6,8 +6,11 @@ MAINTAINER {{ maintainer }}
 {{ macros.install_packages(telegraf_packages | customizable("packages")) }}
 
 COPY telegraf_sudoers /etc/sudoers.d/kolla_telegraf_sudoers
+COPY extend_start.sh /usr/local/bin/kolla_telegraf_extend_start
+
 RUN chmod 750 /etc/sudoers.d \
     && chmod 440 /etc/sudoers.d/kolla_telegraf_sudoers \
+    && chmod 755 /usr/local/bin/kolla_telegraf_extend_start \
     && usermod -a -G kolla telegraf
 
 {% block telegraf_footer %}{% endblock %}

docker/telegraf/extend_start.sh

+#!/bin/bash
+
+TELEGRAF_LOG_DIR="/var/log/kolla/telegraf"
+
+if [[ ! -d "${TELEGRAF_LOG_DIR}" ]]; then
+    mkdir -p ${TELEGRAF_LOG_DIR}
+fi
+if [[ $(stat -c %a ${TELEGRAF_LOG_DIR}) != "755" ]]; then
+    chmod 755 ${TELEGRAF_LOG_DIR}
+fi