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This adds the functional infrastructure to optionally attach a condition
function to a fan definition. When a condition is defined on a fan, it
must be true for a fan's associated functional properties to be created.
When the given condition fails, that fan's functional properties will
not be created by fan monitor. A fan without a defined condition will
have all of its associated functional properties created.
Example of generated condition (generation commit to follow):
make_condition(condition::propertiesMatch(
std::vector<PropertyState>{
PropertyState{
PropertyIdentity{
"/xyz/openbmc_project/inventory/system/chassis",
"xyz.openbmc_project.Inventory.Decorator.CoolingType",
"WaterCooled"
},
static_cast<bool>(false)
}
}
)),
Tested:
Fan functional properties are not created when a condition fails
Fan functional properties are created when condition passes
Fan functional properties are created when no condition exists
Change-Id: I9ced2e520d2f97e6655c9417970b3e976d78fef4
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
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