From 2a5e275ce089f9c359035c53e45814622fff458a Mon Sep 17 00:00:00 2001
From: Yujun Zhang <zhang.yujunz@zte.com.cn>
Date: Wed, 9 May 2018 11:18:38 +0800
Subject: Fix error in logging installation
It must be done in two steps otherwise the mixer adapter may not
be initialized correctly.
Change-Id: Ie59e811fc287fbd52a007be45f0f9c74983149b3
Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>
---
docs/development/design/logging.rst | 32 ++++++++++++++++++++++++--------
1 file changed, 24 insertions(+), 8 deletions(-)
diff --git a/docs/development/design/logging.rst b/docs/development/design/logging.rst
index 05f3f5b..5fbaeb9 100644
--- a/docs/development/design/logging.rst
+++ b/docs/development/design/logging.rst
@@ -9,7 +9,23 @@ Installation
Currently, we use the `sample configuration`_ in Istio to install fluentd::
cd clover/logging
- kubectl apply -f install
+
+First, install logging stack Elasticsearch, Fluentd and Kibana::
+
+ kubectl apply -f install/logging-stack.yaml
+
+Then configure fluentd for istio::
+
+ kubectl apply -f install/fluentd-istio.yaml
+
+Note that, it must be done in two steps. If you run ``kubectl apply -f install``
+instead, the mixer adapter may fail to intialize because the target service can
+not be found. You may find an error message from mixer container::
+
+ 2018-05-09T02:43:14.435156Z error Unable to initialize adapter:
+ snapshot='6', handler='handler.fluentd.istio-system', adapter='fluentd',
+ err='adapter instantiation error: dial tcp: lookup fluentd-es.logging on
+ 10.96.0.10:53: no such host'.
.. _sample configuration: https://istio.io/docs/tasks/telemetry/fluentd.html
@@ -50,14 +66,14 @@ Istio defines when to log by creating a custom resource ``rule``. For example:
apiVersion: "config.istio.io/v1alpha2"
kind: rule
metadata:
- name: newlogtofluentd
- namespace: istio-system
+ name: newlogtofluentd
+ namespace: istio-system
spec:
- match: "true" # match for all requests
- actions:
- - handler: handler.fluentd
- instances:
- - newlog.logentry
+ match: "true" # match for all requests
+ actions:
+ - handler: handler.fluentd
+ instances:
+ - newlog.logentry
This rule specifies that all instances of ``newlog.logentry`` that matches the
expression will be handled by the specified handler ``handler.fluentd``. We
--
cgit