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Bug #5657
opendia2gsup not (re-)connecting to HLR if osmo-hlr is down
Start date:
08/22/2022
Due date:
% Done:
100%
Description
It seems sometimes osmo_dia2gsup doesn't manage to connect to osmo-hlr:
root@sysmonitb:~# systemctl status osmo_dia2gsup
● osmo_dia2gsup.service - Osmocom DIAMETER to GSUP translator
Loaded: loaded (/lib/systemd/system/osmo_dia2gsup.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2022-08-22 14:57:42 UTC; 39min ago
Main PID: 254 (beam.smp)
Tasks: 23 (limit: 4642)
Memory: 55.7M
CPU: 4.710s
CGroup: /system.slice/osmo_dia2gsup.service
├─254 /usr/bin/osmo-dia2gsup -B -- -root /usr/lib/erlang -progname erl -- -home /var/lib/osmo_dia2gsup -- -boot no_dot_erlang -noshell -escript main osmo_dia2gsup -pz osm>
├─271 erl_child_setup 1024
├─454 inet_gethost 4
└─455 inet_gethost 4
Aug 22 14:57:42 sysmonitb systemd[1]: Starting Osmocom DIAMETER to GSUP translator...
Aug 22 14:57:42 sysmonitb systemd[1]: Started Osmocom DIAMETER to GSUP translator.
Aug 22 14:57:47 sysmonitb osmo-dia2gsup[254]: *DBG* ss7_routes got call flush_routes from <0.132.0>
Aug 22 14:57:47 sysmonitb osmo-dia2gsup[254]: *DBG* ss7_routes sent ok to <0.132.0>, new state {sr_state,ss7_routes}
Aug 22 14:57:48 sysmonitb osmo-dia2gsup[254]: 14:57:48.180 [info] Diameter HSS Application started on IP 127.0.0.8, sctp port 3868
Aug 22 14:57:48 sysmonitb osmo-dia2gsup[254]: 14:57:48.239 [info] Connecting to GSUP HLR on IP 127.0.0.1 port 4222
root@sysmonitb:~# systemctl status osmo-hlr
● osmo-hlr.service - Osmocom Home Location Register (OsmoHLR)
Loaded: loaded (/lib/systemd/system/osmo-hlr.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2022-08-22 15:02:28 UTC; 34min ago
Docs: https://osmocom.org/projects/osmo-hlr/wiki/OsmoHLR
Main PID: 532 (osmo-hlr)
Tasks: 1 (limit: 4642)
Memory: 5.1M
CPU: 176ms
CGroup: /system.slice/osmo-hlr.service
└─532 /usr/bin/osmo-hlr -c /etc/osmocom/osmo-hlr.cfg -l /var/lib/osmocom/hlr.db
Aug 22 15:02:28 sysmonitb systemd[1]: Started Osmocom Home Location Register (OsmoHLR).
Aug 22 15:02:29 sysmonitb osmo-hlr[532]: 20220822150229034 DMAIN NOTICE hlr starting (hlr.c:791)
Aug 22 15:02:29 sysmonitb osmo-hlr[532]: 20220822150229034 DDB NOTICE using database: /var/lib/osmocom/hlr.db (db.c:558)
Aug 22 15:02:29 sysmonitb osmo-hlr[532]: 20220822150229053 DDB NOTICE Missing database tables detected; Bootstrapping database '/var/lib/osmocom/hlr.db' (db.c:626)
Aug 22 15:02:29 sysmonitb osmo-hlr[532]: 20220822150229097 DDB NOTICE Database '/var/lib/osmocom/hlr.db' has HLR DB schema version 6 (db.c:636)
Aug 22 15:02:29 sysmonitb osmo-hlr[532]: 20220822150229102 DLGLOBAL NOTICE Available via telnet 127.0.0.1 4258 (telnet_interface.c:100)
Aug 22 15:02:29 sysmonitb osmo-hlr[532]: 20220822150229102 DLCTRL NOTICE CTRL at 127.0.0.1 4259 (control_if.c:1013)
You can see that the hlr has been started after dia2gsup was already running.
After restarting dia2gsup manually the connection succeeds:
root@sysmonitb:~# systemctl restart osmo_dia2gsup
root@sysmonitb:~# systemctl status osmo_dia2gsup
● osmo_dia2gsup.service - Osmocom DIAMETER to GSUP translator
Loaded: loaded (/lib/systemd/system/osmo_dia2gsup.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2022-08-22 15:37:21 UTC; 3s ago
Process: 4301 ExecStartPre=/usr/bin/mkdir -p /var/lib/osmo_dia2gsup (code=exited, status=0/SUCCESS)
Main PID: 4302 (beam.smp)
Tasks: 23 (limit: 4642)
Memory: 36.1M
CPU: 4.608s
CGroup: /system.slice/osmo_dia2gsup.service
├─4302 /usr/bin/osmo-dia2gsup -B -- -root /usr/lib/erlang -progname erl -- -home /var/lib/osmo_dia2gsup -- -boot no_dot_erlang -noshell -escript main osmo_dia2gsup -pz os>
├─4309 erl_child_setup 1024
├─4330 inet_gethost 4
└─4331 inet_gethost 4
Aug 22 15:37:24 sysmonitb osmo-dia2gsup[4302]: "00:00:00:00:00:00",
Aug 22 15:37:24 sysmonitb osmo-dia2gsup[4302]: "00:00:00:00:00:00",
Aug 22 15:37:24 sysmonitb osmo-dia2gsup[4302]: "HSS-00-00-00-00-00-00",false}
Aug 22 15:37:24 sysmonitb osmo-dia2gsup[4302]: 15:37:24.947 [info] connected!
Aug 22 15:37:24 sysmonitb osmo-dia2gsup[4302]: Registering handler {process_id,<0.147.0>} for socket #Port<0.7> Stream {osmo,
Aug 22 15:37:24 sysmonitb osmo-dia2gsup[4302]: 5}
Aug 22 15:37:24 sysmonitb osmo-dia2gsup[4302]: Unblocking socket #Port<0.7>
Aug 22 15:37:24 sysmonitb osmo-dia2gsup[4302]: Unblocking socket #Port<0.7>:ok
Aug 22 15:37:24 sysmonitb osmo-dia2gsup[4302]: Stream 254, 17 bytes
Aug 22 15:37:24 sysmonitb osmo-dia2gsup[4302]: Socket #Port<0.7> Stream 254: ID_GET -> ID_RESP
Aug 22 15:37:50 sysmonitb osmo-dia2gsup[4302]: 15:37:50.392 [info] Peer up <0.146.0> - #diameter_caps{origin_host={"hss.localdomain","mme.localdomain"},origin_realm={"localdomain","lo>
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