Patent Grant
11481363
One or more implementations relate to deployment of databases, and more specifically to adaptable database deployments in a distributed system of a cloud computing environment.
“Cloud computing” services provide shared resources, software, and information to computers and other devices upon request or on demand. Cloud computing typically involves the over-the-Internet provision of dynamically scalable and often virtualized resources. Technological details can be abstracted from end-users, who no longer have need for expertise in, or control over, the technology infrastructure “in the cloud” that supports them. In cloud computing environments, software applications can be accessible over the Internet rather than installed locally on personal or in-house computer systems. Some of the applications or on-demand services provided to end-users can include the ability for a user to create, view, modify, store and share documents and other files.
The size of data used in the cloud is growing exponentially and maintaining the customer's data availability and consistency for cloud-based Software-as-a-Service (SaaS) applications is a major challenge. When providing a SaaS-based application in a cloud computing environment, ensuring high availability of customer data and meeting the service level agreements (SLAs) of the customers is a priority.
A database is a core service of many data intensive SaaS applications. Since the cloud computing service provider needs to ensure data availability and consistency of data, transaction management is important. For example, if any one customer transaction discards or is not committed in a consistent way this leads to erroneous data, and data consistency is at risk due to underlying infrastructure issues, service interactions, etc.
A large-scale database in a cloud computing environment typically consists of multiple components. These components are tightly coupled and need an optimal deployment to ensure availability and reliability of these components along with providing for consistency of data. Deployment of database instances in the cloud computing environment, which typically is controlled manually by a system administrator, can be a difficult and complicated task. Deployment triggers integration of such components of database instances based on customer SLAs and expectations. Incorrect deployment of database components can lead to mislead transactions, poor latency and inconsistency of data, throughput and performance degradation, time delays, etc. This can contribute to the risk of not meeting customer SLAs for enabling high availability and serviceability of 99.99999%, since the failure of database deployments can have a negative impact on multiple metrics of system performance.
The included drawings are for illustrative purposes and serve to provide examples of possible structures and operations for the disclosed inventive systems, apparatus, methods, and computer-readable storage media. These drawings in no way limit any changes in form and detail that may be made by one skilled in the art without departing from the spirit and scope of the disclosed implementations.
Embodiments of the present invention comprise a system and method for deploying database instances across heterogeneous cloud service providers in data centers or public clouds by exposing an asynchronous Database (DB) Deployment Model (DBDM) in a database deployment engine. In existing approaches, the deployment of a database is based on and controlled by selections manually entered by a system administrator. This existing approach works for relatively simple cloud computing environments, depending on the state of underlying components of the database, but is error prone. The existing approach requires human intervention and database administrator (DBA) and/or cloud computing administrator diagnostic efforts for tracing any problems that might occur. Thus, controlling the deployment of a database in the cloud computing environment without a proactive deployment decision engine is a tedious task.
To overcome these disadvantages, embodiments of the current invention propose a continuously running and adaptable asynchronous database deployment engine. The database deployment engine manages the deployment of database instances in the cloud computing environment by using a data structure called a database deployment model (DBDM). The DBDM includes deployment metadata which allows a user (such as a system administrator or a cloud computing administrator) to define structures and dependencies of database components, monitoring, logging & alert services dependencies, quorums, number of retries, approaches, monitoring levels, validation processing, etc. The database deployment engine can be deployed as a standalone service or as a microservice in a data center or in a public cloud computing environment. The database deployment engine of embodiments of the present invention acts as a centralized service for deploying and provisioning the configuration of database instances in cloud computing environments.
In some implementations, environment 10 is a computing environment in which an on-demand database service exists. An on-demand database service, such as that which can be implemented using database system 16, is a service that is made available to users outside an enterprise (or enterprises) that owns, maintains, or provides access to database system 16. As described above, such users generally do not need to be concerned with building or maintaining database system 16. Instead, resources provided by database system 16 may be available for such users' use when the users need services provided by database system 16; that is, on the demand of the users. Some on-demand database services can store information from one or more tenants into tables of a common database image to form a multi-tenant database system (MTS). The term “multi-tenant database system” can refer to those systems in which various elements of hardware and software of a database system may be shared by one or more customers or tenants. For example, a given application server may simultaneously process requests for a large number of customers, and a given database table may store rows of data for a potentially much larger number of customers. A database image can include one or more database objects. A relational database management system (RDBMS) or the equivalent can execute storage and retrieval of information against the database object(s).
Application platform 18 can be a framework that allows the applications of database system 16 to execute, such as the hardware or software infrastructure of database system 16. In some implementations, application platform 18 enables the creation, management and execution of one or more applications developed by the provider of the on-demand database service, users accessing the on-demand database service via user systems 12, or third-party application developers accessing the on-demand database service via user systems 12.
In some embodiments, application platform 18 includes a system for adaptable database deployment as described herein.
In some implementations, database system 16 implements a web-based customer relationship management (CRM) system. For example, in some such implementations, database system 16 includes application servers configured to implement and execute CRM software applications as well as provide related data, code, forms, renderable web pages, and documents and other information to and from user systems 12 and to store to, and retrieve from, a database system related data, objects, and World Wide Web page content. In some MTS implementations, data for multiple tenants may be stored in the same physical database object in tenant database 22. In some such implementations, tenant data is arranged in the storage medium(s) of tenant database 22 so that data of one tenant is kept logically separate from that of other tenants so that one tenant does not have access to another tenant's data, unless such data is expressly shared. Database system 16 also implements applications other than, or in addition to, a CRM application. For example, database system 16 can provide tenant access to multiple hosted (standard and custom) applications, including a CRM application. User (or third-party developer) applications, which may or may not include CRM, may be supported by application platform 18. Application platform 18 manages the creation and storage of the applications into one or more database objects and the execution of the applications in one or more virtual machines in the process space of database system 16.
According to some implementations, each database system 16 is configured to provide web pages, forms, applications, data, and media content to user (client) systems 12 to support the access by user systems 12 as tenants of database system 16. As such, database system 16 provides security mechanisms to keep each tenant's data separate unless the data is shared. If more than one MTS is used, they may be located in close proximity to one another (for example, in a server farm located in a single building or campus), or they may be distributed at locations remote from one another (for example, one or more servers located in city A and one or more servers located in city B). As used herein, each MTS could include one or more logically or physically connected servers distributed locally or across one or more geographic locations. Additionally, the term “server” is meant to refer to a computing device or system, including processing hardware and process space(s), an associated storage medium such as a memory device or database, and, in some instances, a database application, such as an object-oriented database management system (OODBMS), a no-structured query language (SQL) database, or a relational database management system (RDBMS), as is well known in the art. It should also be understood that “server system”, “server”, “server node”, “rack”, and “node” are often used interchangeably herein. Similarly, the database objects described herein can be implemented as part of a single database, a distributed database, a collection of distributed databases, a database with redundant online or offline backups or other redundancies, etc., and can include a distributed database or storage network and associated processing intelligence.
Network 14 can be or include any network or combination of networks of systems or devices that communicate with one another. For example, network 14 can be or include any one or any combination of a local area network (LAN), wide area network (WAN), telephone network, wireless network, cellular network, point-to-point network, star network, token ring network, hub network, or other appropriate configuration. Network 14 can include a Transfer Control Protocol and Internet Protocol (TCP/IP) network, such as the global internetwork of networks often referred to as the “Internet” (with a capital “I”). The Internet will be used in many of the examples herein. However, it should be understood that the networks that the disclosed implementations can use are not so limited, although TCP/IP is a frequently implemented protocol.
User systems 12 (e.g., operated by customers) can communicate with database system 16 using TCP/IP and, at a higher network level, other common Internet protocols to communicate, such as the Hyper Text Transfer Protocol (HTTP), Hyper Text Transfer Protocol Secure (HTTPS), File Transfer Protocol (FTP), Apple File Service (AFS), Wireless Application Protocol (WAP), etc. In an example where HTTP is used, each user system 12 can include an HTTP client commonly referred to as a “web browser” or simply a “browser” for sending and receiving HTTP signals to and from an HTTP server of the database system 16. Such an HTTP server can be implemented as the sole network interface 20 between database system 16 and network 14, but other techniques can be used in addition to or instead of these techniques. In some implementations, network interface 20 between database system 16 and network 14 includes load sharing functionality, such as round-robin HTTP request distributors to balance loads and distribute incoming HTTP requests evenly over a number of servers. In MTS implementations, each of the servers can have access to the MTS data; however, other alternative configurations may be used instead.
User systems 12 can be implemented as any computing device(s) or other data processing apparatus or systems usable by users to access database system 16. For example, any of user systems 12 can be a desktop computer, a workstation, a laptop computer, a tablet computer, a handheld computing device, a mobile cellular phone (for example, a “smartphone”), or any other Wi-Fi-enabled device, WAP-enabled device, or other computing device capable of interfacing directly or indirectly to the Internet or other network. When discussed in the context of a user, the terms “user system,” “user device,” and “user computing device” are used interchangeably herein with one another and with the term “computer.” As described above, each user system 12 typically executes an HTTP client, for example, a web browsing (or simply “browsing”) program, such as a web browser based on the WebKit platform, Microsoft's Internet Explorer browser, Netscape's Navigator browser, Opera's browser, Mozilla's Firefox browser, Google's Chrome browser, or a WAP-enabled browser in the case of a cellular phone, personal digital assistant (PDA), or other wireless device, allowing a user (for example, a subscriber of on-demand services provided by database system 16) of user system 12 to access, process, and view information, pages, and applications available to it from database system 16 over network 14.
Each user system 12 also typically includes one or more user input devices, such as a keyboard, a mouse, a trackball, a touch pad, a touch screen, a pen or stylus, or the like, for interacting with a graphical user interface (GUI) provided by the browser on a display (for example, a monitor screen, liquid crystal display (LCD), light-emitting diode (LED) display, etc.) of user system 12 in conjunction with pages, forms, applications, and other information provided by database system 16 or other systems or servers. For example, the user interface device can be used to access data and applications hosted database system 16, and to perform searches on stored data, or otherwise allow a user to interact with various GUI pages that may be presented to a user. As discussed above, implementations are suitable for use with the Internet, although other networks can be used instead of or in addition to the Internet, such as an intranet, an extranet, a virtual private network (VPN), a non-TCP/IP based network, any LAN or WAN or the like.
The users of user systems 12 may differ in their respective capacities, and the capacity of a particular user system 12 can be entirely determined by permissions (permission levels) for the current user of such user system. For example, where a salesperson is using a particular user system 12 to interact with database system 16, that user system can have the capacities allotted to the salesperson. However, while an administrator is using that user system 12 to interact with database system 16, that user system can have the capacities allotted to that administrator. Where a hierarchical role model is used, users at one permission level can have access to applications, data, and database information accessible by a lower permission level user, but may not have access to certain applications, database information, and data accessible by a user at a higher permission level. Thus, different users generally will have different capabilities with regard to accessing and modifying application and database information, depending on the users' respective security or permission levels (also referred to as “authorizations”).
According to some implementations, each user system 12 and some or all of its components are operator-configurable using applications, such as a browser, including computer code executed using a central processing unit (CPU), such as a Core® processor commercially available from Intel Corporation or the like. Similarly, database system 16 (and additional instances of an MTS, where more than one is present) and all of its components can be operator-configurable using application(s) including computer code to run using processing device 17, which may be implemented to include a CPU, which may include an Intel Core® processor or the like, or multiple CPUs. Each CPU may have multiple processing cores.
Database system 16 includes non-transitory computer-readable storage media having instructions stored thereon that are executable by or used to program a server or other computing system (or collection of such servers or computing systems) to perform some of the implementation of processes described herein. For example, program code 26 can include instructions for operating and configuring database system 16 to intercommunicate and to process web pages, applications (including visual data cleaning applications), and other data and media content as described herein. In some implementations, program code 26 can be downloadable and stored on a hard disk, but the entire program code, or portions thereof, also can be stored in any other volatile or non-volatile memory medium or device as is well known, such as a read-only memory (ROM) or random-access memory (RAM), or provided on any media capable of storing program code, such as any type of rotating media including floppy disks, optical discs, digital video discs (DVDs), compact discs (CDs), micro-drives, magneto-optical discs, magnetic or optical cards, nanosystems (including molecular memory integrated circuits), or any other type of computer-readable medium or device suitable for storing instructions or data. Additionally, the entire program code, or portions thereof, may be transmitted and downloaded from a software source over a transmission medium, for example, over the Internet, or from another server, as is well known, or transmitted over any other existing network connection as is well known (for example, extranet, virtual private network (VPN), local area network (LAN), etc.) using any communication medium and protocols (for example, TCP/IP, HTTP, HTTPS, Ethernet, etc.) as are well known. It will also be appreciated that computer code for the disclosed implementations can be realized in any programming language that can be executed on a server or other computing system such as, for example, C, C++, HTML, any other markup language, Java™, JavaScript, ActiveX, any other scripting language, such as VBScript, and many other programming languages as are well known.
In
In
Database system 16 of
Each application server 100 can be communicably coupled with tenant database 22 and system database 24, for example, having access to tenant data 23 and system data 25, respectively, via a different network connection. For example, one application server 1001 can be coupled via the network 14 (for example, the Internet), another application server 1002 can be coupled via a direct network link, and another application server 100N can be coupled by yet a different network connection. Transfer Control Protocol and Internet Protocol (TCP/IP) are examples of typical protocols that can be used for communicating between application servers 100 and database system 16. However, it will be apparent to one skilled in the art that other transport protocols can be used to optimize database system 16 depending on the network interconnections used.
In some implementations, each application server 100 is configured to handle requests for any user associated with any organization that is a tenant of database system 16. Because it can be desirable to be able to add and remove application servers 100 from the server pool at any time and for various reasons, in some implementations there is no server affinity for a user or organization to a specific application server 100. In some such implementations, an interface system implementing a load balancing function (for example, an F5 Big-IP load balancer) is communicably coupled between application servers 100 and user systems 12 to distribute requests to application servers 100. In one implementation, the load balancer uses a least-connections algorithm to route user requests to application servers 100. Other examples of load balancing algorithms, such as round robin and observed-response-time, also can be used. For example, in some instances, three consecutive requests from the same user could hit three different application servers 100, and three requests from different users could hit the same application server 100. In this manner, by way of example, database system 16 can be a multi-tenant system in which database system 16 handles storage of, and access to, different objects, data, and applications across disparate users and organizations.
In some embodiments, server 100 includes an adaptable database deployment system as described herein.
In one example storage use case, one tenant can be a company that employs a sales force where each salesperson uses database system 16 to manage aspects of their sales. A user can maintain contact data, leads data, customer follow-up data, performance data, goals and progress data, etc., all applicable to that user's personal sales process (for example, in tenant database 22). In an example of a MTS arrangement, because all of the data and the applications to access, view, modify, report, transmit, calculate, etc., can be maintained and accessed by a user system 12 having little more than network access, the user can manage his or her sales efforts and cycles from any of many different user systems. For example, when a salesperson is visiting a customer and the customer has Internet access in their lobby, the salesperson can obtain critical updates regarding that customer while waiting for the customer to arrive in the lobby.
While each user's data can be stored separately from other users' data regardless of the employers of each user, some data can be organization-wide data shared or accessible by several users or all of the users for a given organization that is a tenant. Thus, there can be some data structures managed database system 16 that are allocated at the tenant level while other data structures can be managed at the user level. Because an MTS can support multiple tenants including possible competitors, the MTS can have security protocols that keep data, applications, and application use separate. Also, because many tenants may opt for access to an MTS rather than maintain their own system, redundancy, up-time, and backup are additional functions that can be implemented in the MTS. In addition to user-specific data and tenant-specific data, database system 16 also can maintain system level data usable by multiple tenants or other data. Such system level data can include industry reports, news, postings, and the like that are sharable among tenants.
In some implementations, user systems 12 (which also can be client systems) communicate with application servers 100 to request and update system-level and tenant-level data from database system 16. Such requests and updates can involve sending one or more queries to tenant database 22 or system database 24. Database system 16 (for example, an application server 100 in database system 16) can automatically generate one or more SQL statements (for example, one or more SQL queries) designed to access the desired information. System database 24 can generate query plans to access the requested data from the database. The term “query plan” generally refers to one or more operations used to access information in a database system.
Each database can generally be viewed as a collection of objects, such as a set of logical tables, containing data fitted into predefined or customizable categories. A “table” is one representation of a data object and may be used herein to simplify the conceptual description of objects and custom objects according to some implementations. It should be understood that “table” and “object” may be used interchangeably herein. Each table generally contains one or more data categories logically arranged as columns or fields in a viewable schema. Each row or element of a table can contain an instance of data for each category defined by the fields. For example, a CRM database can include a table that describes a customer with fields for basic contact information such as name, address, phone number, fax number, etc. Another table can describe a purchase order, including fields for information such as customer, product, sale price, date, etc. In some MTS implementations, standard entity tables can be provided for use by all tenants. For CRM database applications, such standard entities can include tables for case, account, contact, lead, and opportunity data objects, each containing pre-defined fields. As used herein, the term “entity” also may be used interchangeably with “object” and “table.”
In some MTS implementations, tenants are allowed to create and store custom objects, or may be allowed to customize standard entities or objects, for example by creating custom fields for standard objects, including custom index fields. Commonly assigned U.S. Pat. No. 7,779,039, titled CUSTOM ENTITIES AND FIELDS IN A MULTI-TENANT DATABASE SYSTEM, issued on Aug. 17, 2010, and hereby incorporated by reference herein in its entirety and for all purposes, teaches systems and methods for creating custom objects as well as customizing standard objects in a multi-tenant database system. In some implementations, for example, all custom entity data rows are stored in a single multi-tenant physical table, which may contain multiple logical tables per organization. It is transparent to customers that their multiple “tables” are in fact stored in one large table or that their data may be stored in the same table as the data of other customers.
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Additionally, it should be appreciated that one or more of the devices in the on-demand database service environment 200 can be implemented on the same physical device or on different hardware. Some devices can be implemented using hardware or a combination of hardware and software. Thus, terms such as “data processing apparatus,” “machine,” “server,” “device,” and “processing device” as used herein are not limited to a single hardware device; rather, references to these terms can include any suitable combination of hardware and software configured to provide the described functionality.
Cloud 204 is intended to refer to a data network or multiple data networks, often including the Internet. Client machines communicably connected with cloud 204 can communicate with other components of the on-demand database service environment 200 to access services provided by the on-demand database service environment. For example, client machines can access the on-demand database service environment to retrieve, store, edit, or process information. In some implementations, edge routers 208 and 212 route packets between cloud 204 and other components of the on-demand database service environment 200. For example, edge routers 208 and 212 can employ the Border Gateway Protocol (BGP). The BGP is the core routing protocol of the Internet. Edge routers 208 and 212 can maintain a table of Internet Protocol (IP) networks or ‘prefixes,’ which designate network reachability among autonomous systems on the Internet.
In some implementations, firewall 216 can protect the inner components of the on-demand database service environment 200 from Internet traffic. Firewall 216 can block, permit, or deny access to the inner components of on-demand database service environment 200 based upon a set of rules and other criteria. Firewall 216 can act as one or more of a packet filter, an application gateway, a stateful filter, a proxy server, or any other type of firewall.
In some implementations, core switches 220 and 224 are high-capacity switches that transfer packets within the on-demand database service environment 200. Core switches 220 and 224 can be configured as network bridges that quickly route data between different components within the on-demand database service environment. In some implementations, the use of two or more core switches 220 and 224 can provide redundancy or reduced latency.
In some implementations, pods 240 and 244 perform the core data processing and service functions provided by the on-demand database service environment. Each pod can include various types of hardware or software computing resources. An example of the pod architecture is discussed in greater detail with reference to
In some implementations, access to database storage 256 is guarded by a database firewall 248. Database firewall 248 can act as a computer application firewall operating at the database application layer of a protocol stack. Database firewall 248 can protect database storage 256 from application attacks such as SQL injection, database rootkits, and unauthorized information disclosure. In some implementations, database firewall 248 includes a host using one or more forms of reverse proxy services to proxy traffic before passing it to a gateway router. Database firewall 248 can inspect the contents of database traffic and block certain content or database requests. Database firewall 248 can work on the SQL application level atop the TCP/IP stack, managing applications' connection to the database or SQL management interfaces as well as intercepting and enforcing packets traveling to or from a database network or application interface.
In some implementations, communication with database storage 256 is conducted via database switch 252. Multi-tenant database storage 256 can include more than one hardware or software components for handling database queries. Accordingly, database switch 252 can direct database queries transmitted by other components of the on-demand database service environment (for example, pods 240 and 244) to the correct components within database storage 256. In some implementations, database storage 256 is an on-demand database system shared by many different organizations as described above with reference to
In some implementations, app servers 288 include a hardware or software framework dedicated to the execution of procedures (for example, programs, routines, scripts) for supporting the construction of applications provided by on-demand database service environment 200 via pod 244. In some implementations, the hardware or software framework of an app server 288 is configured to execute operations of the services described herein, including performance of the blocks of various methods or processes described herein. In some alternative implementations, two or more app servers 288 can be included and cooperate to perform such methods, or one or more other servers described herein can be configured to perform the disclosed methods.
In an embodiment, one or more systems for adaptable database deployment are executed by app servers 288.
Content batch servers 264 can handle requests internal to the pod. Some such requests can be long-running or not tied to a particular customer. For example, content batch servers 264 can handle requests related to log mining, cleanup work, and maintenance tasks. Content search servers 268 can provide query and indexer functions. For example, the functions provided by content search servers 268 can allow users to search through content stored in the on-demand database service environment. File servers 286 can manage requests for information stored in file storage 298. File storage 298 can store information such as documents, images, binary large objects (BLOBs), and character large objects (CLOBs). In some embodiments, file storage 298 is a shared storage. By managing requests for information using file servers 286, the image footprint on the database can be reduced. Query servers 282 can be used to retrieve information from one or more file systems. For example, query servers 282 can receive requests for information from app servers 288 and transmit information queries to network file systems (NFS) 296 located outside the pod.
Pod 244 can share a database instance 290 configured as a multi-tenant environment in which different organizations share access to the same database. Additionally, services rendered by pod 244 may call upon various hardware or software resources. In some implementations, ACS servers 280 control access to data, hardware resources, or software resources. In some implementations, batch servers 284 process batch jobs, which are used to run tasks at specified times. For example, batch servers 284 can transmit instructions to other servers, such as app servers 288, to trigger the batch jobs.
In some implementations, QFS 292 is an open source file system available from Oracle, Inc. The QFS can serve as a rapid-access file system for storing and accessing information available within the pod 244. QFS 292 can support some volume management capabilities, allowing many disks to be grouped together into a file system. File system metadata can be kept on a separate set of disks, which can be useful for streaming applications where long disk seeks cannot be tolerated. Thus, the QFS system can communicate with one or more content search servers 268 or indexers 294 to identify, retrieve, move, or update data stored in NFS 296 or other storage systems.
In some implementations, one or more query servers 282 communicate with the NFS 296 to retrieve or update information stored outside of the pod 244. NFS 296 can allow servers located in pod 244 to access information to access files over a network in a manner similar to how local storage is accessed. In some implementations, queries from query servers 282 are transmitted to NFS 296 via load balancer 228, which can distribute resource requests over various resources available in the on-demand database service environment. NFS 296 also can communicate with QFS 292 to update the information stored on NFS 296 or to provide information to QFS 292 for use by servers located within pod 244.
In some implementations, the pod includes one or more database instances 290. Database instance 290 can transmit information to QFS 292. When information is transmitted to the QFS, it can be available for use by servers within pod 244 without using an additional database call. In some implementations, database information is transmitted to indexer 294. Indexer 294 can provide an index of information available in database instance 290 or QFS 292. The index information can be provided to file servers 286 or QFS 292. In some embodiments, there may be a plurality of database instances stored and accessed throughout the system.
The exemplary computer system 300 includes a processing device (processor) 302, a main memory 304 (e.g., ROM, flash memory, dynamic random access memory (DRAM) such as synchronous DRAM (SDRAM) or Rambus DRAM (RDRAM), etc.), a static memory 306 (e.g., flash memory, static random access memory (SRAM), etc.), and a data storage device 320, which communicate with each other via a bus 310.
Processor 302 represents one or more general-purpose processing devices such as a microprocessor, central processing unit, or the like. More particularly, processor 302 may be a complex instruction set computing (CISC) microprocessor, reduced instruction set computing (RISC) microprocessor, very long instruction word (VLIW) microprocessor, or a processor implementing other instruction sets or processors implementing a combination of instruction sets. Processor 302 may also be one or more special-purpose processing devices such as an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), a digital signal processor (DSP), network processor, or the like. Processor 302 is configured to execute instructions 326 for performing the operations and steps discussed herein. Processor 302 may have one or more processing cores.
Computer system 300 may further include a network interface device 308. Computer system 300 also may include a video display unit 312 (e.g., a liquid crystal display (LCD), a cathode ray tube (CRT), or a touch screen), an alphanumeric input device 314 (e.g., a keyboard), a cursor control device 316 (e.g., a mouse or touch screen), and a signal generation device 322 (e.g., a loudspeaker).
Power device 318 may monitor a power level of a battery used to power computer system 300 or one or more of its components. Power device 318 may provide one or more interfaces to provide an indication of a power level, a time window remaining prior to shutdown of computer system 300 or one or more of its components, a power consumption rate, an indicator of whether computer system is utilizing an external power source or battery power, and other power related information. In some implementations, indications related to power device 318 may be accessible remotely (e.g., accessible to a remote back-up management module via a network connection). In some implementations, a battery utilized by power device 318 may be an uninterruptable power supply (UPS) local to or remote from computer system 300. In such implementations, power device 318 may provide information about a power level of the UPS.
Data storage device 320 may include a computer-readable storage medium 324 (e.g., a non-transitory computer-readable storage medium) on which is stored one or more sets of instructions 326 (e.g., software) embodying any one or more of the methodologies or functions described herein. Instructions 326 may also reside, completely or at least partially, within main memory 304 and/or within processor 302 during execution thereof by computer system 300, main memory 304, and processor 302 also constituting computer-readable storage media. Instructions 326 may further be transmitted or received over a network 330 (e.g., network 14) via network interface device 308.
In one implementation, instructions 326 include instructions for performing any of the implementations of a system for adaptable database deployment described herein. While computer-readable storage medium 324 is shown in an exemplary implementation to be a single medium, it is to be understood that computer-readable storage medium 324 may include a single medium or multiple media (e.g., a centralized or distributed database, and/or associated caches and servers) that store the one or more sets of instructions.
Embodiments of the present invention comprise a system and method for managing deployment of database instances in the cloud computing environment.
DBDM 500 includes metadata 502. In an embodiment, metadata 502 includes a version number, a pipeline designation (e.g., production, quality assurance (QA), or continuous hours of testing (CHO)), a database instance deployment description, and a cloud service provider identifier.
DBDM 500 includes one or more integration services 504. The DBDM specifies integration services for integration of SaaS-based applications and/or third-party applications. Integration services may include monitoring, logging, alerting, authorization and authentication, and any other third-party services. A “retries” option with a count defines how many times the retry of specific service will be performed by the database deployment engine. If a retry is no longer available (e.g., the count has been reached), then further retries will not be attempted by the database deployment engine. A “required” attribute defines whether a service is mandatory for the database deployment engine and can proceed further or not. A “probes” attribute specifies the type of tests in terms of availability to be performed by the database deployment engine. There are instances where the database deployment engine is up and running as part of a SaaS service, but may not be responding due to problems with internal components. Probe metrics can also be defined to perform specific validation checks.
In an embodiment, integration services 504 includes monitoring service 506 to monitor a connection to an endpoint (e.g., a uniform resource locator (URL)), specify a number of retries for connection attempts, and set validation parameters (e.g., probe settings). In an embodiment, integration services 504 includes logging service 508 to monitor a connection to an endpoint (e.g., a uniform resource locator (URL)), specify a number of retries for connection attempts, and set validation parameters (e.g., probe settings). In an embodiment, integration services 504 includes alerting service 510 to monitor a connection to an endpoint (e.g., a uniform resource locator (URL)), specify a number of retries for connection attempts, and set validation parameters (e.g., probe settings). In an embodiment, integration services 504 includes authorization/authentication service 512 to provide secure sockets layer (SSL)-based authentication and role-based authorization through certificates.
DBDM 500 includes an infrastructure section 516 to specify cloud computing infrastructure service parameters needed to deploy the database as a service, such as virtual machine (VM) templates, VM images, VM nodes, quorum value, region, dependencies, and so on. Based on the cloud service provider defined in metadata section 502, cloud service manager 616 (discussed with reference to
DBDM 500 includes state management cluster services 518 to specify state management parameters such as database image name, validation settings, maximum cluster count, number of retries, quorum value, dependencies, and so on. State management services 518 defines the state of all the database components (e.g., services manager 402, centralized monitoring, logging, and alert system 404, state management services 406, persistent store services 408, and database services 410) and also the internal data structures for lookup of a specific key and location of data in the database. The maximum cluster count defines the number of nodes to clustered. Quorum settings indicate a minimum number of nodes to proceed. For example, if three nodes are up and running but the other two nodes are not up and running, the deployment will still continue to proceed (when there are five nodes). The validation section specifies performance tests and how many test suites should be repeated along with configuration data.
DBDM 500 includes persistent store services 520 to specify persistent store services parameters such as database image name, validation settings, maximum cluster count, number of retries, quorum value, dependencies, and so on. As noted above, the persistent store is a stateful store maintaining the data of the customer/tenant. The persistent store services depend on the state management services deployment stages.
DBDM 500 includes database services 522 to specify database services parameters such as database image name, validation settings, maximum cluster count, number of retries, quorum value, dependencies, and so on. Database services 522 is stateless and performs the required actions of the customer/tenant (e.g., to read and/or write data).
DBDM 500 includes approval section 524 to specify whether a new database instance specified by the DBDM is to be promoted (e.g., identified as a valid database instance). If all conditions are successfully met, then the database instance will be promoted for production use and approved for final production.
An example of DBDM 500 is shown below.
Metadata:
IntegrationServices:
Infrastructure:
StateManagementServices:
PersistentStoreServices:
DatabaseServices:
promote:
Database operator 602 generates database deployment model (DBDM) 604 to specify the deployment instructions for a database and triggers database deployment processing. DBDM 604 is input to database deployment engine 606. In one embodiment, database deployment engine 606 is executed by an app server 1001 . . . 100N. Database deployment engine 606 processes DBDM 604 to create database instance 628. Database instance 628 is a copy of the database provisioned in the cloud computing environment for use by customers. Database deployment engine 606 comprises multiple components. Application programming interface (API) controller 608 parses DBDM 604 and validates the syntax and semantics of the DBDM. Deployment manager 610 builds a database model decision tree (DMDT) 612 based at least in part on DBDM 604. Deployment manager 610 uses DMDT 612 to guide processing of the database deployment. Deployment manager 610 controls the deployment process by calling report manager 614, cloud service manager 616, and integration services 618 as needed. Report manager 614 generates status reports regarding the database deployment. Cloud service manager 616 provisions cloud computing resources of a public or private cloud computing environment. Integration services 618 provides functions to check authorizations (AUTHZ) and authentications (AUTHZ) 620, generate metrics 622, generate logs and audit data 624, and generate events 626.
At block 708, deployment manager 610 reads metadata 502 of DBDM 604 to initialize the cloud deployment strategy for the requested database deployment. The cloud deployment strategy enables public or private cloud service providers based on the YAML definition defined in DBDM 604. This allows DMDT 612 to find underlying node status and storage status of the DB deployment with respect to the cloud service provider.
At block 710, deployment manager 610 initializes a set of integration services for the database instance by reading and processing a first node in DMDT 612 for integration services 504. As part of the processing of the integration services node, deployment manager 710 obtains deployment specifications from one of the integration services sub-nodes (e.g., one of monitoring, logging, alerting, and authorization/authentication), tries to connect to the specified end point (e.g., URL) for the sub-node; if connected, processing continues to a next sub-node, and if not connected, processing checks the retry count and tries to reconnect. If the connection is established, the probes are checked. As used herein, a probe is a check condition, validation, availability, or reachability of any service. If the connection is not established and the value of the “required” field is yes, then an error ticket is issued and the deployment is exited. If checking the probes is successful, then deployment manager 610 updates the integration services node of DMDT 612. Processing continues at block 710 for all integration services sub-nodes in DMDT 612.
At block 712, deployment manager 610 reads and processes a node in DMDT 612 for infrastructure 516. Deployment manager 610 calls cloud service manager 616 to provision cloud computing resources on a public or private cloud computing environment according to the cloud strategy initialized at block 708. For example, in one embodiment the cloud computing resources for provisioning the database instance include NodePools (e.g., a collection of virtual machines (VMs)), persistent storage (to store data), a Kubernetes cluster (for services manager 402), and virtual networks.
At block 714, deployment manager initializes a set of state management services for the database instance by reading and processing a node in DMDT 612 for state management services 518. As part of the processing of the state management services node, deployment manager 710 obtains deployment specifications from the state management services node, deploys state management services, and checks if the state management services are configured or not. If the state management services are not configured, deployment manager 610 checks the quorum settings. If the quorum settings for the maximum number of cluster nodes is not met, then the deployment manager retries the state management services deployment and checks if the state management services are configured or not. If the configuration is not successful, and the value of the “required” field is yes, then then an error ticket is issued and the deployment is exited. If the configuration is successful, then deployment manager 610 updates the state management services node of DMDT 612.
At block 716, deployment manager initializes a set of persistent store services for the database instance by reading and processing a node in DMDT 612 for persistent store services 520. As part of the processing of the persistent store services node, deployment manager 710 obtains deployment specifications from the persistent store services node, deploys persistent store services, and checks if the persistent store services are configured or not. If the persistent store services are not configured, deployment manager 610 checks the quorum settings. If the quorum settings for the maximum number of cluster nodes is not met, then the deployment manager retries the persistent store services deployment and checks if the persistent store services are configured or not. If the configuration is not successful, and the value of the “required” field is yes, then then an error ticket is issued and the deployment is exited. If the configuration is successful, then deployment manager 610 updates the persistent store services node of DMDT 612.
At block 717, deployment manager 610 creates the database instance.
At block 718, deployment manager initializes a set of database services for the newly created database instance by reading and processing a node in DMDT 612 for database services 522. As part of the processing of the database services node, deployment manager 710 obtains deployment specifications from the database services node, deploys database services, and checks if the database services are configured or not. If the database services are not configured, deployment manager 610 checks the quorum settings. If the quorum settings for the maximum number of cluster nodes is not met, then the deployment manager retries the database services deployment and checks if the database services are configured or not. If the configuration is not successful, and the value of the “required” field is yes, then an error ticket is issued and the deployment is exited. If the configuration is successful, then deployment manager 610 updates the database services node of DMDT 612.
At block 720, deployment manager 610 updates a node in DMDT 612 for approval 524, indicates the database instance as active in the cloud computing environment (e.g., indicating that the database instance is up and running, and ready to be used by users), and calls report manager 614 to generate a report of successful database deployment.
An example of code for database deployment engine 606 is shown below.
Embodiments of the present invention remove the need for human intervention for managing the deployment of a database in a cloud computing environment, improves the capability for identifying which database component causes one or more problems, and improves traceability and serviceability of database deployments. Embodiments further improve overall usage of resources in the cloud computing environment and reduce the cost of deployment failures. Embodiments minimize chances of misconfiguring of database architecture and software components, thus improving Quality of Service (QoS) of workload deployment. Embodiments provide a generic solution applicable to deployment of heterogeneous resources by extending the model to technologies from various database and cloud computing vendors. Embodiments minimize security threats due to misconfigured database resources and software in cloud environments since thorough syntax and semantics checks and validity scans are performed during the database deployment.
Examples of systems, apparatuses, computer-readable storage media, and methods according to the disclosed implementations are described in this section. These examples are being provided solely to add context and aid in the understanding of the disclosed implementations. It will thus be apparent to one skilled in the art that the disclosed implementations may be practiced without some or all of the specific details provided. In other instances, certain process or method operations, also referred to herein as “blocks,” have not been described in detail in order to avoid unnecessarily obscuring the disclosed implementations. Other implementations and applications also are possible, and as such, the following examples should not be taken as definitive or limiting either in scope or setting.
In the detailed description, references are made to the accompanying drawings, which form a part of the description and in which are shown, by way of illustration, specific implementations. Although these disclosed implementations are described in sufficient detail to enable one skilled in the art to practice the implementations, it is to be understood that these examples are not limiting, such that other implementations may be used and changes may be made to the disclosed implementations without departing from their spirit and scope. For example, the blocks of the methods shown and described herein are not necessarily performed in the order indicated in some other implementations. Additionally, in some other implementations, the disclosed methods may include more or fewer blocks than are described. As another example, some blocks described herein as separate blocks may be combined in some other implementations. Conversely, what may be described herein as a single block may be implemented in multiple blocks in some other implementations. Additionally, the conjunction “or” is intended herein in the inclusive sense where appropriate unless otherwise indicated; that is, the phrase “A, B, or C” is intended to include the possibilities of “A,” “B,” “C,” “A and B,” “B and C,” “A and C,” and “A, B, and C.”
The words “example” or “exemplary” are used herein to mean serving as an example, instance, or illustration. Any aspect or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or advantageous over other aspects or designs. Rather, use of the words “example” or “exemplary” is intended to present concepts in a concrete fashion.
In addition, the articles “a” and “an” as used herein and in the appended claims should generally be construed to mean “one or more” unless specified otherwise or clear from context to be directed to a singular form. Reference throughout this specification to “an implementation,” “one implementation,” “some implementations,” or “certain implementations” indicates that a particular feature, structure, or characteristic described in connection with the implementation is included in at least one implementation. Thus, the appearances of the phrase “an implementation,” “one implementation,” “some implementations,” or “certain implementations” in various locations throughout this specification are not necessarily all referring to the same implementation.
Some portions of the detailed description may be presented in terms of algorithms and symbolic representations of operations on data bits within a computer memory. These algorithmic descriptions and representations are the manner used by those skilled in the data processing arts to most effectively convey the substance of their work to others skilled in the art. An algorithm is herein, and generally, conceived to be a self-consistent sequence of steps leading to a desired result. The steps are those requiring physical manipulations of physical quantities. Usually, though not necessarily, these quantities take the form of electrical or magnetic signals capable of being stored, transferred, combined, compared, or otherwise manipulated. It has proven convenient at times, principally for reasons of common usage, to refer to these signals as bits, values, elements, symbols, characters, terms, numbers, or the like.
It should be borne in mind, however, that all of these and similar terms are to be associated with the appropriate physical quantities and are merely convenient labels applied to these quantities. Unless specifically stated otherwise as apparent from the following discussion, it is appreciated that throughout the description, discussions utilizing terms such as “receiving,” “retrieving,” “transmitting,” “computing,” “generating,” “adding,” “subtracting,” “multiplying,” “dividing,” “optimizing,” “calibrating,” “detecting,” “performing,” “analyzing,” “determining,” “enabling,” “identifying,” “modifying,” “transforming,” “applying,” “aggregating,” “extracting,” “registering,” “querying,” “populating,” “hydrating,” “updating,” or the like, refer to the actions and processes of a computer system, or similar electronic computing device, that manipulates and transforms data represented as physical (e.g., electronic) quantities within the computer system's registers and memories into other data similarly represented as physical quantities within the computer system memories or registers or other such information storage, transmission, or display devices.
The specific details of the specific aspects of implementations disclosed herein may be combined in any suitable manner without departing from the spirit and scope of the disclosed implementations. However, other implementations may be directed to specific implementations relating to each individual aspect, or specific combinations of these individual aspects. Additionally, while the disclosed examples are often described herein with reference to an implementation in which a computing environment is implemented in a system having an application server providing a front end for an on-demand database service capable of supporting multiple tenants, the present implementations are not limited to multi-tenant databases or deployment on application servers. Implementations may be practiced using other database architectures, i.e., ORACLE®, DB2® by IBM, and the like without departing from the scope of the implementations claimed. Moreover, the implementations are applicable to other systems and environments including, but not limited to, client-server models, mobile technology and devices, wearable devices, and on-demand services.
It should also be understood that some of the disclosed implementations can be embodied in the form of various types of hardware, software, firmware, or combinations thereof, including in the form of control logic, and using such hardware or software in a modular or integrated manner. Other ways or methods are possible using hardware and a combination of hardware and software. Any of the software components or functions described in this application can be implemented as software code to be executed by one or more processors using any suitable computer language such as, for example, C, C++, Java™ (a trademark of Sun Microsystems, Inc.), or Perl using, for example, existing or object-oriented techniques. The software code can be stored as non-transitory instructions on any type of tangible computer-readable storage medium (referred to herein as a “non-transitory computer-readable storage medium”). Examples of suitable media include random access memory (RAM), read-only memory (ROM), magnetic media such as a hard-drive or a floppy disk, or an optical medium such as a compact disc (CD) or digital versatile disc (DVD), flash memory, and the like, or any combination of such storage or transmission devices. Computer-readable media encoded with the software/program code may be packaged with a compatible device or provided separately from other devices (for example, via Internet download). Any such computer-readable medium may reside on or within a single computing device or an entire computer system and may be among other computer-readable media within a system or network. A computer system, or other computing device, may include a monitor, printer, or other suitable display for providing any of the results mentioned herein to a user.
The disclosure also relates to apparatuses, devices, and system adapted/configured to perform the operations herein. The apparatuses, devices, and systems may be specially constructed for their required purposes, may be selectively activated or reconfigured by a computer program, or some combination thereof.
In the foregoing description, numerous details are set forth. It will be apparent, however, to one of ordinary skill in the art having the benefit of this disclosure, that the present disclosure may be practiced without these specific details. While specific implementations have been described herein, it should be understood that they have been presented by way of example only, and not limitation. The breadth and scope of the present application should not be limited by any of the implementations described herein but should be defined only in accordance with the following and later-submitted claims and their equivalents. Indeed, other various implementations of and modifications to the present disclosure, in addition to those described herein, will be apparent to those of ordinary skill in the art from the foregoing description and accompanying drawings. Thus, such other implementations and modifications are intended to fall within the scope of the present disclosure.
Furthermore, although the present disclosure has been described herein in the context of a particular implementation in a particular environment for a particular purpose, those of ordinary skill in the art will recognize that its usefulness is not limited thereto and that the present disclosure may be beneficially implemented in any number of environments for any number of purposes. Accordingly, the claims set forth below should be construed in view of the full breadth and spirit of the present disclosure as described herein, along with the full scope of equivalents to which such claims are entitled.
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