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Notes:
* This datasource does not support OCI Classic. OCI Classic provides an EC2
lookalike metadata service.
* The UUID provided in DMI data is not the same as the meta-data provided
instance-id, but has an equivalent lifespan.
* We do need to support upgrade from an instance that cloud-init
identified as OpenStack.
* Bare metal instances use iSCSI root, virtual machine instances do not.
* Both bare metal and virtual machine instances provide a chassis-asset-tag of
OracleCloud.com.
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Search network config physical interfaces to see if any of them are
a netfailover master. If found, we prevent matching by MAC as the other
failover devices have the same MAC but need to be ignored.
Note: we rely on cloudinit.net changes which prevent netfailover devices
from being present in the provided network config. For more details about
netfailover devices, refer to cloudinit.net module.
:param network_config
A v1 or v2 network config dict with the primary NIC, and possibly
secondary nic configured. This dict will be mutated.
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Nz#NIC data is UNSET but should not be�nicIndexr z\VNIC metadata indicates this is a bare metal machine; skipping secondary VNIC configuration.r, �macAddr�ipv6SubnetCidrBlockF� privateIpz)Interface with MAC %s not found; skipping�
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Fetch metadata from the /opc/ routes from the IMDS.
Returns:
Optional[ReadOpcMetadataResponse]: If fetching metadata fails, None.
If fetching metadata succeeds, a namedtuple containing:
- The metadata version as an integer
- The JSON-decoded value of the instance data from the IMDS
- The JSON-decoded value of the vnics data from the IMDS if
`fetch_vnics_data` is True, else None. Alternatively,
None if fetching metadata failed
- The url that was used to fetch the metadata.
This allows for later determining if v1 or v2 endppoint was
used and whether the IMDS was reached via IPv4 or IPv6.
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Query Oracle Cloud metadata and emit a JSON object with two keys:
`read_opc_metadata` and `_is_platform_viable`. The values of each are
the return values of the corresponding functions defined in
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