Persistent Configuration key namespace

Given these keys in persistent configuration database, snippets below extract various bits of data.

{
    "network:interfaces:physical:ixgbe0:netmask": "255.255.255.0",
    "network:interfaces:physical:e1000g1:create": true,
    "network:interfaces:physical:igb0:tag": [
        "admin",
        "primary"
    ],
    "network:interfaces:physical:e1000g2:broadcast": null,
    "network:interfaces:physical:ixgbe0:broadcast": null,
    "network:interfaces:physical:e1000g1:netmask": "255.255.255.0",
    "network:interfaces:physical:e1000g1:tag": [
        "ipmp"
    ],
    "network:interfaces:physical:ixgbe1:tag": [
        "aggr",
        "service",
        "10gb"
    ],
    "network:interfaces:physical:ixgbe0:tag": [
        "aggr",
        "service",
        "10gb"
    ],
    "network:interfaces:physical:e1000g2:tag": [
        "ipmp"
    ],
    "network:interfaces:physical:ixgbe1:create": false,
    "network:interfaces:physical:ixgbe1:netmask": null,
    "network:interfaces:physical:e1000g1:group": "ip0",
    "network:interfaces:physical:ixgbe0:address": null,
    "network:interfaces:physical:e1000g2:address": null,
    "network:interfaces:physical:e1000g1:address": null,
    "network:interfaces:physical:e1000g0:create": true,
    "network:interfaces:physical:e1000g1:failover": false,
    "network:interfaces:physical:e1000g2:failover": false,
    "network:interfaces:physical:ixgbe1:mtu": 9000,
    "network:interfaces:physical:ixgbe1:gateway": null,
    "network:interfaces:physical:ixgbe0:create": false,
    "network:interfaces:physical:e1000g2:create": true,
    "network:interfaces:physical:e1000g0:tag": [
        "normal"
    ],
    "network:interfaces:physical:e1000g0:mtu": 1500,
    "network:interfaces:physical:e1000g1:broadcast": null,
    "network:interfaces:physical:igb0:gateway": null,
    "network:interfaces:physical:e1000g1:mtu": 1500,
    "network:interfaces:physical:igb0:create": true,
    "network:interfaces:physical:e1000g0:gateway": null,
    "network:interfaces:physical:ixgbe1:broadcast": null,
    "network:interfaces:physical:e1000g0:broadcast": null,
    "network:interfaces:physical:igb0:mtu": 1500,
    "network:interfaces:physical:ixgbe1:address": null,
    "network:interfaces:physical:igb0:netmask": null,
    "network:interfaces:physical:igb0:address": "dhcp",
    "network:interfaces:physical:ixgbe0:mtu": 9000,
    "network:interfaces:physical:e1000g2:mtu": 1500,
    "network:interfaces:physical:e1000g0:netmask": null,
    "network:interfaces:physical:e1000g0:address": "dhcp",
    "network:interfaces:physical:ixgbe1:aggr": "aggr1",
    "network:interfaces:physical:e1000g1:gateway": null,
    "network:interfaces:physical:igb0:broadcast": null,
    "network:interfaces:physical:e1000g2:group": "ip0",
    "network:interfaces:physical:e1000g2:gateway": null,
    "network:interfaces:physical:ixgbe0:aggr": "aggr1",
    "network:interfaces:physical:ixgbe0:gateway": null,
    "network:interfaces:physical:e1000g2:netmask": "255.255.255.0"
}

Network interfaces

# cat /tmp/d.json | jq -r 'keys[]'| awk 'FS=":" {print $4}'|sort -u

e1000g0
e1000g1
e1000g2
igb0
ixgbe0
ixgbe1

Integer MTU value for interface

cat /tmp/d.json | jq -r ".[\"network:interfaces:physical:igb0:mtu\"]"
1500

Boolean create parameter for interface

cat /tmp/d.json | jq -r ".[\"network:interfaces:physical:e1000g2:create\"]"
true

List of tags on given interface

cat /tmp/d.json | jq -r ".[\"network:interfaces:physical:igb0:tag\"][]"
admin
primary

cat /tmp/d.json | jq -r ".[\"network:interfaces:physical:ixgbe0:tag\"][]"
aggr
service
10gb

Belonging to an IPMP (group) logical interface

cat /tmp/d.json | jq -r ".[\"network:interfaces:physical:e1000g1:group\"]"
ip0

Belonging to an aggregated logical interface

cat /tmp/d.json | jq -r ".[\"network:interfaces:physical:ixgbe0:aggr\"]"
aggr1