ansible_inventory.py 文件源码

def get_hierarchy(self, devices):
        regions = set()
        cells = set()
        labels = set()

        for device in devices:
            if device.region not in regions:
                regions.add(device.region)

            if device.cell:
                if device.cell not in cells:
                    cells.add(device.cell)
            for label in device.labels:
                if label not in labels:
                    labels.add(label)

        regions = sorted(regions, key=attrgetter('name'))
        cells = sorted(cells, key=attrgetter('name'))
        labels = sorted(labels, key=attrgetter('label'))
        devices = sorted(devices, key=attrgetter('ip_address'))
        return regions, cells, labels, devices