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Improve nRF Cloud library and sample user experience #17635

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Improve nRF Cloud library and sample user experience #17635

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Commits on Oct 4, 2024

  1. lib: modem_key_mgmt: Return size of key 

    In modem_key_mgmt_read(), if *len parameter is too small to fit
the certificate read, return -ENOMEM and set *len to the size
needed.

This is helpful to check the size of a certificate without
actually needing the contents.

Signed-off-by: Pete Skeggs <[email protected]>
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  2. net: lib: nrf_cloud: check relative size of root CA 

    Add two new Kconfig symbols to define thresholds for
approximate size of the CoAP root CA and the size of
combined CoAP + AWS root CAs.

Retrieve size of configured sec_tag's root CA.

Compare the size to the thresholds, display which
root CA(s) are likely present, and use this to judge
whether a cloud connection will likely succeed. If
connection seems possible, proceed with connection as
before.

Jira: IRIS-9151

Signed-off-by: Pete Skeggs <[email protected]>
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  3. net: lib: nrf_provisioning: Improve interval logs 

    Indicate the units of time as well as the purpose for
reconnecting. Log at the INF level.

See ticket for reasoning.

Jira: IRIS-9151

Signed-off-by: Pete Skeggs <[email protected]>
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  4. net: lib: nrf_cloud: Improve logging of cloud requests 

    When the cloud (through the shadow) requests a change
in the cloud-based logging level or the alert enable/disable
flag, log at the INF level so it is always easy to see
that the request was effective.

See ticket for reasoning.

Jira: IRIS-9151

Signed-off-by: Pete Skeggs <[email protected]>
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  5. samples: cellular: nrf_cloud_multi_service: reduce prov rate 

    Once device has connected to the cloud, slow down the
provisioning check.

Improve logging of shadow and FOTA polling intervals
for CoAP.

Make CoAP shadow and FOTA check intervals the same as
the sensor update interval.

Improve handling of credentials check to check for new error
code for bad CA size, and also turn off network if credentials
are bad and the nrf_provisioning service is not used.

Jira: IRIS-9151

Signed-off-by: Pete Skeggs <[email protected]>
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  6. samples: cellular: nrf_cloud_rest_fota: Update bad cred handling 

    Turn off network and halt for either type of bad credential
failures.

Jira: IRIS-9151

Signed-off-by: Pete Skeggs <[email protected]>
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  7. samples: cellular: nrf_cloud_rest_cell_location: Update cred chk 

    Handle new error code. Turn off network if not continuing.

Jira: IRIS-9151

Signed-off-by: Pete Skeggs <[email protected]>
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  8. samples: cellular: nrf_cloud_rest_device_message: Update cred ck 

    Also check that the AWS root CA is likely present.

Jira: IRIS-9151

Signed-off-by: Pete Skeggs <[email protected]>
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  9. doc: Add changes for nrf_cloud ux improvements 

    Document changes.

Signed-off-by: Pete Skeggs <[email protected]>
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