Avoid loading pollster if no required environment

Registered by Zhai, Edwin

Do not load the pollster if no required environment. e.g. compute node pollsters have no right hypervisor inspector, ipmi pollsters without ipmitool installed.
Remove unavailable resources when polling to avoid continuous exceptions.

Blueprint information

Status:
Complete
Approver:
Eoghan Glynn
Priority:
Medium
Drafter:
Zhai, Edwin
Direction:
Approved
Assignee:
Zhai, Edwin
Definition:
Approved
Series goal:
Accepted for kilo
Implementation:
Implemented
Milestone target:
milestone icon 2015.1.0
Started by
Eoghan Glynn
Completed by
Eoghan Glynn

Related branches

Sprints

Whiteboard

Corresponding spec review is landed:
  https://review.openstack.org/130678

Gerrit topic: https://review.openstack.org/#q,topic:bp/self-disabled-pollster,n,z

Addressed by: https://review.openstack.org/146303
    Enabling self-disabled pollster

Addressed by: https://review.openstack.org/151599
    Remove no_resource hack for IPMI pollster

Addressed by: https://review.openstack.org/151598
    Add dummy resource for IPMI pollsters

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Work Items

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