Red Hat, Inc.

Michael P McGrath

Matthew J Hicks

Daniel McPherson

Jhon Honce

Thomas Wiest

Clayton Palmer Coleman

Daniel J Walsh

Rajat Chopra

Mrunal Patel

Paul Morie

Daniel Mace

William Henry

Andrew Grimm

Kenneth Woodson

James Martin Jagielski

Mark A Lamourine

Yaakov M Nemoy

Implementations of a routing tier for highly-available applications on a multi-tenant Platform-as-a-Service (PaaS) system are disclosed. A system includes a processing device to determine that, for an application running on the multi-tenant PaaS system and utilizing a first load balancer gear, a second load balancer gear is to be created for the application, and cause the second load balancer gear to be created. The processing device further to update the routing table to include information corresponding to the second load balancer gear and transmit the information associated with the second load balancer gear to a routing component of the multi-tenant PaaS system, the routing component to route traffic to the application via the first and second load balancer gears.

Routing tier for highly-available applications on a multi-tenant Platform-as-a-Service (PaaS) system

Implementations for template directories for cartridges in a multi-tenant Platform-as-a-Service (PaaS) system are disclosed. A method of the disclosure includes maintaining, by a node executed by a processing device, a cartridge library comprising cartridge packages that provide functionality for applications executed by the node for a multi-tenant Platform-as-a-Service (PaaS) system, embedding, by the node, a cartridge instance from the cartridge library in a gear of the node, providing, via the cartridge instance, a template directory to an application utilizing the cartridge instance on the node, and executing, by the node, a sample application from the template directory to demonstrate functionality of the cartridge instance to an application developer of the application.

Template directories for cartridges in a multi-tenant Platform-as-a-Service (PaaS) system

Implementations of a routing tier for highly-available applications on a multi-tenant Platform-as-a-Service (PaaS) system are disclosed. A method of the disclosure includes receiving, from a broker of a multi-tenant PaaS system, information related to a load balancer gear of an application running on the multi-tenant PaaS system. The information includes endpoint information indicating a location of the load balancer gear, and cartridge information identifying one or more cartridges implemented on the load balancer gear. The method further includes updating a routing table in view of the endpoint information and the cartridge information, and causing traffic to be routed to the load balancer gear in view of the updated routing table. The load balancer gear directs traffic to one or more other gears of the application.

Routing tier for highly-available applications on a multi-tenant platform-as-a-service (PaaS) system

A mechanism for tracking applications on a node of a multi-tenant PaaS environment is disclosed. A method of the invention includes providing an agent of a server orchestration system on a multi-tenant node of a network-based application hosting system, wherein the node comprises a virtual machine (VM) of a cloud computing environment configured to host a plurality of Web application components of different owners, and maintaining, by the agent, a plurality of facts about the node. One of the facts is a number of source code management (SCM) software repositories on the node; each software repository containing at least one of the plurality of Web application components, which is determined by and updated by the agent to reflect the number of determined software repositories.

Tracking and utilizing facts about a node of a multi-tenant cloud hosting environment

A method includes instantiating a first web application for a first application owner on a virtual machine and instantiating a second web application for a second application owner. The second application owner is different than the first application owner. Instantiating the second web application includes determining that the second web application is associated with an attribute. The first web application is also associated with the attribute, and the attribute comprises an implementation related property of the first web application and the second web application. Instantiating the second web application also includes identifying the virtual machine as configured to host web applications having the attribute, responsive to identifying the virtual machine, instantiating the second web application on the virtual machine hosting the first web application. The second web application is prevented from accessing the first web application and the first web application is prevented from accessing the second web application.

Node selection for a new application in a multi-tenant cloud hosting environment

Implementations for downloadable cartridges for a multi-tenant Platform-as-a-Service (PaaS) system are disclosed. A method of the disclosure includes parsing a cartridge manifest corresponding to a cartridge to determine a source location of files of the cartridge and causing the files of the cartridge to be obtained from the determined source location for use by at least one node of a multi-tenant PaaS system.

Downloadable cartridges for a multi-tenant platform-as-a-service (PaaS) system

Implementations provide for automated container migration in a Platform-as-a-Service (PaaS) system. A method of the disclosure includes receiving, by a processing device executing a control server of a multi-tenant Platform-as-a-Service (PaaS) system, identification of a distressed node of the multi-tenant PaaS system and a resource under contention at the distressed node, providing, by the control server, identification of the resource under contention to the distressed node, receiving, by the control server, identification of a candidate container executing on the distressed node, wherein the candidate container contributes to the resource under contention on the distressed node and is launched from an instance of an application image corresponding to an application of the PaaS system, and sending, by the control server, the identification of the candidate container to a PaaS master component of the PaaS system and a request to migrate the candidate container from the distressed node.

Automated container migration in a platform-as-a-service system

Implementations for geographic placement of application components by a multi-tenant Platform-as-a-Service (PaaS) system are disclosed. A method of the disclosure includes providing, by a processing device of a multi-tenant PaaS system, a list of geographic locations to a user of a multi-tenant PaaS system, receiving, by the processing device from the user, a first request to deploy a component of an application corresponding to the user, the first request comprising a selection of one of the geographic locations from the list, and communicating, by the processing device, a second request to deploy the component of the application, the second request directed to a messaging server dedicated to the selected geographic location of the user, the dedicated messaging server of the selected geographic location to handle a configuration of a node in the selected geographic location for the component of the application.

Geographic placement of application components by a multi-tenant platform-as-a-service (PaaS) system

A responsive layout based on behavioral intent in a multi-tenant PaaS system is disclosed. A method of the disclosure includes determining a profile of a user of a PaaS system, an application context for each application associated with the user and hosted by the PaaS system, and a task context of an access to the PaaS system by the user, providing indicators of the determined profile, the determined application context, and the determined task context to a browser application of the user, and providing HyperText Markup Language (HTML) and Cascading Style Sheets (CSS) files of the management console to the browser application, wherein the provided indicators are applied to the HTML and CSS files to generate a responsive layout, wherein the indicators are associated with one or more variants of the HTML and CSS files that provide the responsive layout.

Responsive layout based on behavioral intent in a multi-tenant platform-as-a-service (PaaS) system

A mechanism for node selection for a new application in a multi-tenant cloud hosting environment is disclosed. A method of the invention includes receiving a request to host a software application on one of a plurality of nodes of a cloud computing infrastructure, each node configured to host multiple software applications. A set of available nodes from the plurality of nodes can be identified on which the software application can be hosted and the capacity of each identified node to host additional software applications can be determined. Then, a node is selected to host the software application using the determined capacities.

Implementations for locked files for cartridges in a multi-tenant Platform-as-a-Service (PaaS) system are disclosed. A method of the disclosure includes identifying, by a processing device of a multi-tenant Platform-a-a-Service (PaaS) system, an operation requested to be performed by the multi-tenant PaaS system, determining access contexts for the identified operation with respect to a cartridge associated with the operation, the access context comprising a user or component that is attempting to access a file of the cartridge for the identified operation, accessing a locked files manifest of the cartridge, the locked files manifest identifying at least one of files or directories of the cartridge to which a cartridge author of the cartridge restricts access to application developers utilizing the cartridge to execute an application, and applying access permissions to the cartridge according to the determined access contexts and the locked files manifest.

Locked files for cartridges in a multi-tenant platform-as-a-service (PaaS) system

A mechanism for creating and maintaining multi-tenant applications in a Platform-as-a-Service (PaaS) environment of a cloud computing system is disclosed. A method includes receiving, by a virtual machine (VM), a request to start an application on the VM, wherein the VM hosts multi-tenant applications associated with owners different than an owner of the requested application, creating unique kernel namespace directories for the application, wherein each unique kernel namespace directory corresponds to one of a plurality of standard directories on an OS of the VM, providing identification of the created unique namespace directories to the application, wherein the application does not update code of the application to access the unique kernel namespace directories, receiving an access request to one of the standard directories, mapping the requested standard directory to a corresponding unique kernel namespace directory of the application, and directing the application to the corresponding unique kernel namespace directory.

Creating and maintaining multi-tenant applications in a platform-as-a-service (PaaS) environment of a cloud computing system

A mechanism for an interface between a server orchestration system and a messaging system is disclosed. In one embodiment a message being broadcast from a server orchestration system to a plurality of nodes that comprise a node layer of a platform as a service (PaaS) application hosting infrastructure is intercepted and introspected to extract an identifier of the first node of a plurality of nodes. Then, a targeted message compatible with a messaging system is generated, the targeted message including the identifier of the first node. The targeted message is then sent to the messaging system to be routed to the first node.

Communication between a server orchestration system and a messaging system

Implementations of the disclosure provide for controlling capacity in a multi-tenant Platform-as-a-Service (PaaS) environment in a cloud computing system. A method includes obtaining, by a resource control module executed by a processing device, an active capacity metric of each node in a multi-tenant Platform-as-a-Service (PaaS) system, the active capacity metric determined in view of a number of containers that are currently executing in the node and a maximum number of active containers allowed to execute in the node, comparing, by the resource control module, the active capacity metric of the each node to an active capacity threshold associated with the each node, and when the active capacity metric exceeds the active capacity threshold in all of the nodes in a district of the multi-tenant PaaS system and when a maximum actual capacity of containers in the district is not exceeded, adding a new node to the district.

Controlling capacity in a multi-tenant platform-as-a-service environment in a cloud computing system

A mechanism for deployment optimization in a multi-tenant Platform-as-a-Service (PaaS) system is disclosed. A method of the disclosure includes receiving, at a source code management (SCM) repository maintained by a node executing on a computing device, updated application code of an application executed on the node, wherein the node is provided by a multi-tenant Platform-as-a-Service (PaaS) system, providing, by the node, the updated application code to one or more cartridge instances that implement framework of the application, determining, by each of the one or more cartridge instances, that a marker file is present in the updated application code, the marker file indicating that hot deployment functionality is to be implemented for the application, and implementing, by each of the one or more cartridge instances using hot deployment functionality that is specific to the cartridge instance, code changes in the updated application code without a restart of the application.

Growing community of inventors

Chicago, IL, United States of America

Michael P McGrath