Hi I have a question about the usage of if-feature. Assume the following YANG module:
module performance-management {
namespace "http://www.example.com/performance-management";;
prefix if-pm;
import ietf-interfaces {
prefix if;
}
feature performance-24hr {
description
"Indicates that collection of 24 hour performance intervals
is supported";
}
augment "/if:interfaces-state/if:interface" {
description
"Data nodes for the performance status parameters";
container performance {
description
"Performance parameters";
container intervals-24hr {
if-feature performance-24hr;
description
"24 hour interval performance history";
container current {
description
"Contains the counts that are currently accumulating.";
}
list history {
key interval-number;
max-elements 7;
description
"A history of 24 hour intervals.";
leaf interval-number {
type uint16;
description
"The number of the interval relative to the current
interval.";
}
}
}
}
}
}
Another YANG module augments the container which is defined under a feature.
module use-performance-management {
yang-version 1.1;
namespace "http://www.example.com/use-performance-management";;
prefix use-pm;
import ietf-interfaces {
prefix if;
}
import performance-management {
prefix if-pm;
}
augment '/if:interfaces-state/if:interface/if-pm:performance/'
+ 'if-pm:intervals-24hr/if-pm:current' {
description
"Augment the current 24 hour interface performance counts with
Ethernet specific attributes.";
container ethernet {
description
"Current 24 hour Ethernet performance counters.";
leaf some-value {
type uint32;
}
}
}
}
According to me an if-feature statement is missing here: how can a module
augment a container defined under the 'restriction" of a feature. If the
feature is not supported then the container is not there and hence one can't
augment that container in another YANG module. Is my understanding correct?
Best regards - Vriendelijke groeten,
Bart Bogaert
Broadband-Access System Architect Data
Contact number +32 3 2408310 (+32 477 673952)
NOKIA
Copernicuslaan 50, 2018 Antwerp, Belgium
Fortis 220-0002334-42
VAT BE 0404 621 642 Register of Legal Entities Antwerp
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