Commits on Oct 24, 2024

1. Watch NTP server change in timesyncd …

   In phosphor-networkd, network-provided NTP servers are updated only at
   the time of interface creation. Any modifications to the NTP server
   are not reflected in networkd until the next restart. As of systemd
   version 255, timesyncd emits a property changed signal when the
   LinkNTPServers property is updated. This commit implements a watch for
   the signal from timesyncd, ensuring that phosphor-networkd loads the
   updated NTP servers dynamically.
   
   Also, any change in the dynamic NTP servers when system is in manual
   mode as the timesyncd is disabled. However the change is not updated
   even when the system is switched to NTP mode. This commit also consists
   of the changes to the reload the NTP servers whenever it switches from
   manual to NTP mode.
   
   Tested by:
   
   1. Connected the BMC to a DHCP server
   2. Configured the DHCP server with the NTP server IP.
   3. Verified that timesyncd is updated with the new NTP server IP.
   4. Confirmed that phosphor-networkd receives the signal and updates
   the D-Bus with the latest NTP servers from timesyncd.
   5. Switched to manual mode, updated the NTP servers in DHCP. Verified
   the updated NTP server is reflected in networkd.
   
   Change-Id: I6a58e44795e60490d8bee106548de043be40bfe8
   Signed-off-by: Jishnu CM <[email protected]>

   

   cm-jishnu authored and cmjishnu committed Oct 24, 2024
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