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| The documentation is at | ||
| FutureGrid Move is a service that enables physical resources re-allocation among infrastructures. By using a simple command line interface, | ||
| this service is able to de-register a machine from a particular infrastructure and register it in a new one. | ||
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| http://futuregrid.github.com/rain-move | ||
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| ================= | ||
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| The following notes will be moved into that documentation directory. | ||
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| here are my initial thoughts on fg move | ||
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| the way i think we can do this is to introduce a number of trivial datastructures and than just manage them for each cluster and stick them into an overall datastructure cluster (possibly we rename this to cotton as i am in doubt about the word cluster and we may have other things than clusters in future). | ||
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| we would than write "providers" that allows us to add a particular service to the framework while implementing some of the methods that are initially not defined. | ||
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| we may have a service directory in which we have classes that call out the native service APIs that do some of the functinality, such as registering and deregistering a node with the services and so forth. | ||
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| I did not share this with anyone but you and like to get your input today. | ||
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| If possible I like to get a first implementation on this by next week and write a paper on it. | ||
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| I think we can ask Koji to look into the hpc related scripts, you and Fugang could do OpenStack/OpenNebula/Nimbus/Eucalyptus | ||
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| I am not sure how free Koji is for this however. If we can not use Koji, we can simulate ths with the SLURM virtual clusters in some way at least for HPC ;-) | ||
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| #This class may be renamed to cotton. | ||
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| #euclyptus | ||
| #nimbus | ||
| #openstack | ||
| #opennebula | ||
| #hpc | ||
| #... | ||
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| class Clusters: | ||
| # manages all services on a variety of clusters | ||
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| """ | ||
| fabric> define cluster india | ||
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| fabric> set cluster india | ||
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| fabric> add i136.india.futuregrid.org | ||
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| #resource will be added. information about ip, memory, and disks will | ||
| #be automatically discovered, either from a file, or via login | ||
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| fabric> set cluster sierra | ||
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| fabric> add s136 eucalyptus 24GB 500GB s136.sierra.futuregrid.org | ||
| # ip address wil be identified based on hostname | ||
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| ... | ||
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| """ | ||
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| class Resources: | ||
| def add(name, type=None, memory, disk, hostname=None, ip=None): | ||
| return | ||
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| def assign(name, hostname, ip): | ||
| return | ||
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| def getinfo(hostname): | ||
| #sets all discoverable values of the given hostname, memory, | ||
| #disk, ip, the name is the first part of the hostname | ||
| retrun | ||
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| def setinfo(name, type=None, memory, disk, hostname=None, ip=None): | ||
| # overwrites the given info for the resource with the given name | ||
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| def match (regexp): | ||
| #returns the resources that match the regular expression on the name | ||
| return | ||
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| def _matchByHostname(regexp): | ||
| #returns the resources that match the regular expression on | ||
| #the hostname | ||
| return | ||
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| class Service: | ||
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| string name = None | ||
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| def __init__(type,version): | ||
| return | ||
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| def add(resources): | ||
| return | ||
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| def addNode (resource): | ||
| return | ||
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| def removeNode (resource): | ||
| return | ||
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| def _rain(name): | ||
| # rains the specified service onto the resource. Internally | ||
| # used by addNode | ||
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| def list(): # print | ||
| return | ||
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| class Services: | ||
| services = {} | ||
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| def add (service): | ||
| return | ||
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| def remove (service): | ||
| return | ||
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| def list(): #print | ||
| return | ||
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| def write(filename): | ||
| return | ||
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| def read(filename): | ||
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| # we will have an pool with reources that can be used for backfilling | ||
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| class shell: | ||
| """ | ||
| A CMD2 shell in which we can issue a number of commands. | ||
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| fabric> list | ||
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| lists all resources and services in the fabric | ||
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| fabric> list resources | ||
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| lists the resources | ||
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| fabric> list services | ||
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| lists the services | ||
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| fabric> list name | ||
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| lists the object with the name | ||
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| SERVICE COMMANDS | ||
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| fabric> suspend name | ||
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| suspends the service with the name | ||
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| fabric> resume name | ||
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| resumes the service with the name | ||
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| fabric> reset name | ||
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| resets the service with the name | ||
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| RAIN COMMANDS | ||
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| fabric> rain resource-name service-name | ||
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| deploys a service on the named resource | ||
| the command move internally calls rain | ||
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| fabric> move resource-name service-name | ||
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| moves or adds the named resource to the named service if the | ||
| resource was used elswhere, move will also derigister orderly the | ||
| old service | ||
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| fabric> kill resource-name | ||
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| kills all services on the named resource | ||
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| IP COMMANDS | ||
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| fabric> getIP | ||
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| returns a free IP | ||
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| fabric> getIP from to | ||
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| returns a free IP between the given range | ||
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| fabric> getIP resource-name | ||
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| gets a free ip and assigns it to the named resource | ||
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| fabric> releaseIP resource-name | ||
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| releases the IP of the resource | ||
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| """ | ||
| return | ||
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| and many more .... | ||
| http://futuregrid.github.com/rain |
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