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Foglight for Container Management 1.0 - User Guide

Creating and Activating a Kubernetes Agent

To create a Kubernetes agent on a monitored host:
1
Log in to the Foglight browser interface and make sure the left navigation panel is open.
2
On the navigation panel, from Standard View click Container Environment or from Expert View click Dashboards > Container. Then the Container dashboard will display as below.
3
In the Container dashboard, click Create Agent on the top right. The Create Agent wizard opens.
4
Orchestration and Agent Manager: specify the following values, and then click Next.
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Cluster Name: unique name for the monitored cluster.
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Agent Manager: select an Agent Manager which manages the agent.
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Orchestration Type: container orchestration.
5
Agent Properties
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Kubernetes API Service End Point: Get this information from the KubeConfig file. For more information, see Enabling Heapster service in monitored environment.
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Kubernetes Version: 1.7 by default.
* 
NOTE: Only need to change for OpenShift clusters.
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Heapster Service Namespace/Heapster Service Name: Get both values from the Heapster service configuration. For more information, see Enabling Heapster service in monitored environment.
If you deploy the Heapster service using:
•
HTTP: Namespace of Heapster should be <heapster service namespace> and Heapster Service Name should be <heapster service name>.
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HTTPS: Namespace of Heapster should be <heapster service namespace> and Heapster Service Name should be https:<heapster service namespace>:.
6
Credential Verification
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No credential: click Next.
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Add cluster to a new credential
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Credential Type: choose Kube Config, and click Next.
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Credential Properties: click Load from file to upload the credential, and click Next.
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Credential Name and Lockbox: give a name for the credential, choose a lockbox, then click Next.
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Resource Mapping: click Next.
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Add cluster to an existing credential
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Credential: choose credential, then click Next.
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Resource Mapping: click Next.
7
Summary: click Finish.
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Then the agent will be created and activated automatically.

Creating and Activating a Docker Swarm Agent

Each Docker Swarm Agent monitored one docker host. If the docker host belongs to a Docker Swarm cluster, it will be considered as a manager/worker node. Otherwise, it will be considered to be a standalone docker host.

* 
NOTE: For a Docker Swarm cluster, you should create one Docker Swarm Agent for one host in the cluster, and if you want to monitor the whole cluster environment, you need to create all the Docker Swarm Agents for all the hosts in the cluster.

To create a Docker Swarm agent on a monitored host:

1
Login in to the Foglight browser interface and make sure the left navigation panel is open.
2
On the navigation panel, under Dashboards, click Administration > Agents > Agent Status.
The Agent Status dashboard opens.
3
In the Agent Status dashboard, click Create Agent.
The Create Agent wizard opens.
4
Host Selector: Select the monitored host that you want to monitor with the Docker Swarm agent instance that you are about to create, and then click Next.
* 
NOTE: In order to select the host, the Foglight Agent Manager must be installed and running on the monitored host.
5
Agent Type and Instance Name: Specify the following values, and then click Next.
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Agent Type: Select DockerSwarmAgent from the agent type list.
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Agent Name: Specify the name of the agent instance that you are about to create using either of the following approaches:
•
Generic Name: This option is selected by default. A generic name is a combination of the host name and the agent type and uses the following syntax: agent_type@host_name.
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Specify Name: Type that name in the Name field. For example, MyAgent.
6
On the Summary page, review the choices you have made, and then click Finish.
The Agents table refreshes automatically, showing the new Docker Swarm Agent.
7
On the Agents table, select the Docker Swarm Agent that you create, click Edit Properties, and then click Modify the private properties for this agent.
8
In the Agents properties view, check if the following values have been configured based upon your environment:
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Name: give a name to the monitored docker host, it should be unique.
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Host Name: IP address or host name of the monitored docker host.
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Docker Remote API End Point: Docker Remote API endpoint of the monitored docker host. For more information, see Enabling Docker Remote API for monitored docker host.
9
Return back to the Agents table, select the above property changed Docker Swarm Agent, and then click Activate.
The new Docker Swarm Agent is created and data will be shown on the Monitoring tab after a few minutes.

Configuring data collection interval

The default data collection interval of agents is set to 5 minutes by default. Foglight for Container Management enables you to change this collection interval as needed.

* 
NOTE: Changing the data collection interval will take effect for all Kubernetes agents and Docker Swarm agents.
To configure the data collection interval:
1
On the navigation panel, under Dashboards, select Administration > Agents > Agent Status.
2
On the Agent Status dashboard, select the Kubernetes agent that you use to monitoring the container environment, and then click Edit Properties.
3
In the Edit Properties dashboard, click Edit next to the Collector Config field.
4
In the KubernetesAgent or DockerSwarmAgent Collector Config dialog box, change the following values, as needed:
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Inventory Collector: Specifies the interval for collecting components.
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Metrics Collector: Specifies the interval for collecting metrics.
5
Click Save.

Using Foglight for Container Management

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Kubernetes
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Monitoring Kubernetes Pods
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Monitoring Kubernetes Nodes
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Monitoring Kubernetes Clusters
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Monitoring Kubernetes Other Components
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Alarms
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Docker Swarm
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Monitoring Docker Containers
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Monitoring Docker Hosts
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Monitoring Docker Images
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Monitoring Docker Swarm Clusters
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Monitoring Docker Swarm Services
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Alarms
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Analytics
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Kubernetes analytics
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Heatmap analytics
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Scatter Plot analytics
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Docker Swarm analytics
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Heatmap analytics
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Scatter Plot analytics
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Metrics
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Kubernetes metrics
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Docker Swarm metrics
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