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Subject: [OASIS Issue Tracker] Commented: (TOSCA-2) Review Proposal: TOSCA support for simple web application deployment use cases via YAML app manifest
[ http://tools.oasis-open.org/issues/browse/TOSCA-2?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=29652#action_29652 ]
Tobias Kunze commented on TOSCA-2:
-----------------------------------
Here is a sample YAML manifest as used on Red Hat's OpenShift PaaS. (See http://www.oasis-open.org/apps/org/workgroup/tosca/download.php/45328/manifest.yml.pdf for a PDF version that preserves syntax highlighting.)
--------------------------
Name: mongodb-2.0
Display-Name: MongoDB v2.0.0 (x86-64)
Description: Cartridge packaging MongoDB
Version: 2.0.0
License: ASL 2.0
Vendor: mongodb.org
Provides:
- "mongodb"
- "mongodb(version) = 2.0.0"
Requires:
Conflicts:
Native-Requires:
- mongodb-server
- mongodb-devel
- libmongodb
- mongodb
Architecture: x86-64
Reservations:
- MEM >= 1GB
Profiles:
basic:
Provides: mongodb-basic-mode
Reservations:
- MEM >= 100MB
Components:
mongod:
Publishes:
get-db-connection-info:
Type: "NET_TCP:db:connection-info"
get-mongo-connection-info:
Type: "NET_TCP:db:mongodb"
Groups:
singlenode:
Components:
mongod-process: mongod
Scaling:
Min: 1
Max: 1
replica-sets:
Provides: mongodb-replica-sets
Reservations:
- MEM >= 1GB
Components:
router:
Subscribes:
set-replicaset:
Type: "NET_TCP:db:mongodb:replica-servers"
set-doc-root: # Best-practices: run router where appserver runs.
Type: "FILESYSTEM:doc-root"
configsvr:
Publishes:
get-replicaset:
Type: "NET_TCP:db:mongodb:replica-servers"
get-arbiter:
Type: "NET_TCP:db:mongodb:arbiter"
get-db-connection-info:
Type: "NET_TCP:db:connection-info"
get-mongo-connection-info:
Type: "NET_TCP:db:mongodb"
Subscribes:
set-replicaset-member:
Type: "NET_TCP:db:mongodb:replica"
replicaset_member:
Publishes:
get-replicaset-member:
Type: "NET_TCP:db:mongodb:replica"
Groups:
arbiter:
Components:
arbiter_config_server: configsvr
arbiter_replica: replicaset_member
Scaling:
Min: 1
Max: 1
config_servers:
Components:
config_server: configsvr
routers:
Components:
router: router
replica_set:
Components:
replica: replicaset_member
Scaling:
Min: 2
Max: -1
Connections:
arbiter-config-server-router-connections:
Components:
- arbiter_config_server
- router
arbiter-replica-config-server-connections:
Components:
- arbiter_replica
- arbiter_config_server
config-server-router-connections:
Components:
- config_server
- router
replica-set-config-server-connections:
Components:
- replica
- config_server
Start-Order: [arbiter_config_server, arbiter_replica, config_server, router, replica]
Group-Overrides: [ config_servers == replica_set ]
master-slave:
Provides: mongodb-master-slave
Components:
master:
Publishes:
get-master:
Type: "NET_TCP:db:mongodb:master"
get-db-connection-info:
Type: "NET_TCP:db:connection-info"
get-mongo-connection-info:
Type: "NET_TCP:db:mongodb"
Subscribes:
set-slave:
Type: "NET_TCP:db:mongodb:slave"
slave:
Publishes:
get-slave:
Type: "NET_TCP:db:mongodb:slave"
get-db-connection-info:
Type: "NET_TCP:db:connection-info"
Subscribes:
set-master:
Type: "NET_TCP:db:mongodb:master"
Groups:
master:
Components:
master: master
Scaling:
Min: 1
Max: 1
slaves:
Components:
slaves: slave
Connections:
master-slave-connections:
Components:
- master
- slaves
Start-Order: [master, slaves]
Default-Profile: basic
> Review Proposal: TOSCA support for simple web application deployment use cases via YAML app manifest
> ----------------------------------------------------------------------------------------------------
>
> Key: TOSCA-2
> URL: http://tools.oasis-open.org/issues/browse/TOSCA-2
> Project: OASIS Topology and Orchestration Specification for Cloud Applications (TOSCA) TC
> Issue Type: Task
> Components: Spec
> Reporter: Diane Mueller
> Assignee: Diane Mueller
>
> Proposal: TOSCA support for simple web application deployment use cases via YAML app manifest
> Before going too deep with creating a interoperable portable framework for supporting complex application deployments on the cloud. TOSCA should ensure that the simple web applications, those using common web frameworks like spring, play, django, rails, psgi, or node.js, have basic requirements of apache or nginx as web servers, and need to deploy a mysql, redis, mongodb or other open source databases - are easily supported with whatever approach we decide to take. Many aspects of an application can be affected by cloud infrastructure that one chooses to install the application on. This process can be made easier and others more difficult depending on the level of complexity involved in specifying the the apps configuration and deployment requirements - even for the simplest of web applications.
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