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Foglight 5.9.7 - Web Component Guide

Inhaltsnavigation

Introducing the Web Component Framework

Configuring Views Browser Interface Views The Browser Interface

Anatomy of a Typical Dashboard The Web Component Framework (WCF)

View Components The Module List Pane

The Web Component Framework

The Edit Module popups Validating Modules Definitions and Entities

Time Range Related to Observations Metric Observations Enum Observations

Context Parameters in Bindings On Null Values Renderers Default Values Data Sources, Data Types, and Data Objects Paths Properties

Using the Web Component Framework

The Web Component Framework Editor An Example Page

Managing Dashboards

Definitions Panes

System and User Dashboards Dashboard Page Navigation

Data and Data Sources Pages Definitions Pane Customizing the UI Quickly Finding Pages: Bookmarks Additional Documentation

Configuring Views and Context

Configuring Views

Creating a New Container View

Creating a New View Based on a Copy of a View

Stamping Views Searching for Definitions Definitions Page for a View

View Commands in the Definitions Area Nested Views in the Add View Dialog of a Container Replacing Views Testing a View

Definitions Pane Settings Tabs

Configuring Properties in the Definitions Pane

Purpose of Views Custom Purposes

Comments Context Help

Context Inputs Additional Context Outputs (Flow Context Mappings)

Configuration Tab

Cooperative Layout Common Properties in the Configuration Tab

Configuring Flows for Views

Layout Tab Views Tab

Context Tab Context Types

Required Context Optional Context Internal Context

Additional Context

Additional Context for a View Additional Context for an Instance Additional Context for a Flow

Dynamic Context Flow Context Mappings

Validation of Context in the Editors On-null TimeRange

Overview of Query Definitions Creating a Query in Foglight

Query Definition Settings

Name ID UI Query Public Deprecated Relevant Roles and Allowed Roles Object Type Required Parameters Object Type Root Reference Aggregations Identifying Values Filter Results Based on Top N Order By Where

Conditional Types

Comparison Is Set Sub Type is And Or Not Combining And, Or, and Not Conditions Comments Context Help Relevant Roles and Allowed Roles

Sequence of Evaluation

Creating New Queries

Parameters in Queries

Summary of Creating a Query

Copying a Query Deriving a Query from Another Query Editing a Query Deleting a Query Legacy Custom Query

Java Functions Map Functions Script Functions Script with Map Functions Using Functions

Functions as Converters Caching results of Functions Information available from a Script, Script with Map or Java Function Invoking a Function from a Function Invoking a Query from a Function Time Range used for testing a function

Simple Types Binding Types Details of each Binding

Context Writable Data Object

Creating a Data Type in a Module Creating a Data Object based on the New Type Saving a Data Object Removing a Data Object from Storage

Configuring the Query Dialog Box

Theme Icon String Template Rich Text and Rich Text Template Image Reference Function Localized String Data Data Object Property Data Object Property (and Property) Date List Return Types

Localized Value Value CountPerItem Count All Unit Units Localized Property Name Localized Property Names Localized Type Name Localized Type Names

Additional Components

Files Icons Associations

Tab Associations Question Associations Category Associations Domain Associations Message Associations Customizable Associations Hierarchy Associations Alarm Associations Activity Associations Action Associations Node Associations Edge Associations Creating Associations Creating Alarm Associations: Example

Configuration details Configuration example

Default Renderer can be Overridden

Binding a property that takes a color or an image to data

Input Value Determining the Appropriate Renderer for a Binding

Types Tab in the Module List Pane

Unit Mappings Tasks Types

Creating a Data Type in a Web Component Framework Module Data Object Types

Properties Annotations Enumeration Types

Creating a Data Object of your Type

Equality

Saving Data Objects

Removing a Data Object from a Storage Mechanism Saving Contained versus Referenced Properties

Setting up RSS Feeds

Theme and Module Resources

Module-Specific Images Theme-Specific Images in Module Definitions

PDF Generation Reports

Report Layout Scheduling Reports

Remote Access to Views

Deploy and Run Configuration

SharePoint Web Part with Windows Single Sign-On

Performance Improvements

Optimizing Data Access with the Batch API

Data Sources, Data Types, and Data Objects

Data Sources, Data Types, and Data Objects

The data that is displayed by the application comes from a data source, as set up in Foglight. The data from a data source is held in data objects as properties. For example, some of the Host data-object properties are the name of the host, its IP address, and the number of fatal events. The data type is a data-object template, and determines the structure of a data object. Examples of data types are Host, AppServer, WebSphere®, Agent, and Event. For more information about type properties, see the Schema Browser. This dashboard is accessible from the Tools and Dashboard Support dashboard.


	TIP: The Cartridge Development role grants access to this dashboard.

Data sources encapsulate all that the system knows about the data and yet cleanly separates knowledge of the data from how it is presented.

The data source is organized as a dynamic graph of objects, starting from a root that represents the entire data model.

“Objects” are defined in the API and are not tied to the creation of any particular JavaTM Object.

The Data node is populated from queries that are marked as UI Query when they are defined in the Definitions editor.

Data Source Queries

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The syntax of a data source query resembles SQL, but queries return a list of objects.

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Data source queries are strongly typed.

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Data source queries are not free form. In Foglight, they are configured on the browser interface’s Definitions page by using an editor provided for that purpose.

Paths

When creating queries and defining bindings, you set the values by specifying the data object and the properties in the Path field. Paths traverse the structure of the data object. They are similar to directory paths in Windows® or UNIX®, and are comprised of a series of one or more property names, separated by forward slashes.


	NOTE: You can replace a long path with a key by setting it as a context value.

One minor complication is that property names are often displayed with localized names instead of their actual property names. For example, a drop-down tree may show the properties as Name or CPU Usage, but when selected they display in the Path field as name or cpuUsage.

The following are some example paths:

Table 8. Paths
Path	Meaning
/hosts	An absolute path for all hosts, under the top of the tree of data.
cpuUsage	The cpuUsage metric object (under a host object)
cpus/utilization/current/average	The current average value of the cpuUsage metric object (under a host object)

Properties

You edit the properties of a view in the Configuration tab. If Show Advanced Properties is false, only the ones needed to get you started are shown. If Show Advanced Properties is true, all the component’s properties become available for editing. Required properties are shown in bold font.

Properties that have been changed from their defaults are highlighted. Properties that are not set are dimmed. In edit mode, dwelling over a property shows a tooltip that contains the same description as that in the Web Component Reference page for the component. In display mode, only the properties that have been changed from their default values are shown.

Using the Web Component Framework

Before you start working with the Web Component Framework you need to define what objectives you are trying to accomplish. For example, if you want to monitor a specific application server at certain intervals and send alerts to a specific email address, you need to choose the components necessary to create this type of workflow.

If you have already created a query that retrieves what you want from existing data, you can start creating views to display the data. If you do not have the proper data to work with, you need to create queries to return the data. For more information about queries, see Queries .

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