The following components are deployed on each TWC/Cassandra node:
Telegraf - system metrics collector
Dropwizard metrics-graphite-3.1.2.jar - metrics publishing agent for Java
Install Telegraf
Install Telegraf in the TWCloud/Cassandra node
If you have not created the influxdb.repoas in step 1a of the Monitoring Mode, do so at this time.
Install with the command:
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sudo yum install telegraf
Edit /etc/telegraf/telegraf.conf as follows
Locate the section titled "[[outputs.influxdb]]"
Edit the line with the urls =tag as follows:
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urls = ["http://monitoringnode_ip:8086"] where monitoringnode_ip is the IP address of the node where infuxdb is installed (if it is located on the same machine, you may use 127.0.0.1).
Enable the telegraf Telegraf service on startup the startup:
Copy metrics-graphite-3.1.2.jar to /usr/share/cassandra/lib/
Edit /etc/cassandra/default.conf/cassandra-env.sh, adding the following at the bottom:
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# Enable metrics reporting to InfluxDB using the yammer library
METRICS_REPORTER_CFG="metrics-reporter-graphite.yaml"
JVM_OPTS="$JVM_OPTS -Dcassandra.metricsReporterConfigFile=$METRICS_REPORTER_CFG"
Create fie a file /etc/cassandra/default.conf/metrics-reporter-graphite.yaml with the following content:
Replacing HOST_NAME with the Cassandra node's host namehostname, and IP_ADDRESS with the IP address of the monitoring node (where influxdb Influxdb is installed).
Log into http://MONTORINGNODE_IP:3000 - you will be displayed the Grafana Login Screen - default credentials are admin/admin. Upon logging in, you will be prompted to change the admin password.
You will be presented with the following screen, click Add data source:
Create the data sources, entering enter the information as in the following screenshots, and pressing press Save & Test for each. After the data source gets created, click the Data Sources link to continue adding data sources.
Now that the data sources have been added, select the option to import a dashboard:
To upload .json file, click the Upload .json File File:
At this point, you will be presented with the following screen, in which you will need to map the data sources sources:
Map the data sources as shown below and click the Importbutton button:
To make the Teamwork Cloud dashboard your home dashboard, perform the following steps:
Mark the Teamwork Cloud Dashboard as a favorite:
Select Configuration > Preferences
Select the Teamwork Cloud Dashboard to be your Home Dashboard and click Save.
The admin user has permissions allowing full access. Create Create a limited access user which who will be allowed of viewing to view the dashboard without the ability of making to make modifications.Click Click Users.
You will be presented with the following screen. Click Invite:
Create a guest user by entering the information as below, and clicking Invite:
You will be shown a screen as below. Click the Pending Invitesbutton button:
Click the Copy Invite button
Paste the link which was copied to your clipboard on a new browser window, and replace "localhost" with the IP address of the monitoring node. You will be presented with the following screen. Change the email field from "guest" to "guest@localhost", enter a password and click on the Sign Up button.
At this point, you will be redirected to the Grafana dashboard under the new login. Sign out, and sign back in as admin.