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README.md

Lab: Monitoring

The purpose of this lab is to add monitoring to an existing blueprint.

Ensure that the LAB_ROOT environment variable points to the exercise's root directory by executing:

export LAB_ROOT=~/cloudify-training-labs/monitoring/exercise

Step 0: Upload diamond plugin

cfy plugins upload -y http://www.getcloudify.org/spec/diamond-plugin/1.3.8/plugin.yaml http://repository.cloudifysource.org/cloudify/wagons/cloudify-diamond-plugin/1.3.8/cloudify_diamond_plugin-1.3.8-py27-none-linux_x86_64-centos-Core.wgn

Step 1: Replace the placeholders

You need to replace all the occurrences of the placeholders (REPLACE_WITH) in inputs.yaml and in blueprint/blueprint.yaml to add monitoring to the blueprint.

You can use the Diamond collectors' reference for information how to configure collectors: https://github.com/python-diamond/Diamond/wiki/Collectors

Step 2: Upload and install the blueprint

NOTE: Replace <app-vm-ip-address> with the private IP address of your application VM.

cfy blueprints upload $LAB_ROOT/blueprint/blueprint.yaml -b monitoring
cfy deployments create mon -b monitoring -i vm_ip_address=<app-vm-ip-address>
cfy executions start -d mon install

Step 3: Show metrics in the UI

  1. Log in to the UI.
  2. Go to the Deployments screen.
  3. Click your deployment.
  4. Click your username at the top right, and select "Edit Mode".
  5. Click the "Add Widget" button.
  6. Select the "Deployment metric graph" widget. Click "Add".
  7. Click the cogwheel icon at the top right corner of the new widget.
  8. Under "Node Filter": a. Select "Deployment" and then click your deployment's name. b. Select "Node Instance" and select your VM's instance ID.
  9. In the "Charts" table, focus on the first row and click the "Metric" dropdown list. Then select cpu_total_user.
  10. In the "Label" field, type "CPU (Total)".
  11. Click "Save".
  12. Click your username at the top right, and select "Exit Edit Mode".

The metrics widget will now appear on the screen.

Step 5: Uninstall the application

cfy executions start uninstall -d mon
cfy deployments delete mon
cfy blueprints delete monitoring