Thanks for the explanation. Do we have any way to get the current active leases of a server in sync with the configuration file data? Thank you.
On Thu, 8 Jun 2023 at 18:08, Darren Ankney <[email protected]> wrote: > Hi Shobhith, > > Nothing would stop those leases from still showing up if they are > still active. Since they are not in the lease file, they can be > removed by restarting the server. You could also remove them with > lease4-del API command > ( > https://kea.readthedocs.io/en/latest/arm/hooks.html#the-lease4-del-lease6-del-commands > ). > Removing the pool and adding a different pool will not remove active > leases in the pool. Indeed even removing the subnet wouldn't remove > leases. But the leases wouldn't still be shown if the subnet ID is > different in a new subnet. > > On Thu, Jun 8, 2023 at 8:31 AM Shobhith Chikku <[email protected]> > wrote: > > > > Thanks, Darren, > > The main issue I face is > > 1. I have created a scope 3.0.0.10 - 3.0.0.20 > > 2. I have generated leases from that scope. > > 3. I deleted that scope and created another one in the same subnet > 3.0.0.50 - 3.0.0.100. > > 4. When I fetch the active lease, I am also getting the leases from the > deleted scope 3.0.0.10 - 3.0.0.20 also ( I shouldn't get them right?). > > How do I solve this? > > I tried the LFC process, which only cleans up the leases from the lease > file, but the memory still has them. > > Here is my config file. > > {"Dhcp4": { > > "interfaces-config": {"interfaces": ["eth0"]}, > > "authoritative": true, > > "multi-threading": { > > "packet-queue-size": 16, > > "enable-multi-threading": true, > > "thread-pool-size": 4 > > }, > > "loggers": [{ > > "debuglevel": 55, > > "severity": "DEBUG", > > "output_options": [{ > > "output": "/var/log/kea-dhcp4.log", > > "flush": true, > > "maxsize": 204800 > > }], > > "name": "kea-dhcp4" > > }], > > "lease-database": { > > "name": "/opt/dhcp/dhcp/db/dhcp4.leases", > > "persist": true, > > "type": "memfile", > > "lfc-interval":60, > > }, > > "hooks-libraries": [{"library": > "/opt/dhcp/lib/kea/hooks/libdhcp_lease_cmds.so"}], > > "server-hostname": "server-47", > > "control-socket": { > > "socket-type": "unix", > > "socket-name": "/opt/dhcp/dhcp/kea4-ctrl-socket" > > }, > > "decline-probation-period": 7200, > > "sanity-checks": {"lease-checks": "fix-del"}, > > "subnet4": [{ > > "subnet": "3.0.0.0/8", > > "valid-lifetime": 86400, > > "option-data": [ > > { > > "data": "www.shobhith.com", > > "name": "domain-name" > > }, > > { > > "data": "86400", > > "name": "dhcp-lease-time" > > }, > > { > > "data": "255.0.0.0", > > "name": "subnet-mask" > > }, > > { > > "data": "3.0.0.1", > > "name": "routers" > > } > > ], > > "pools": [{ > > "client-class": "allow-client", > > "pool": "3.0.0.50-3.0.0.100" > > }], > > "id": 818110 > > }], > > "client-classes": [ > > {"name": "deny-client"}, > > { > > "test": "(not(member('deny-client')))", > > "name": "allow-client" > > } > > ] > > }} > > Thank you. > > > > On Thu, 8 Jun 2023 at 17:44, Darren Ankney <[email protected]> > wrote: > >> > >> Hi Shobhith, > >> > >> It is difficult to answer without seeing your Kea configuration. > >> Speculation would be that the lease is in memory and either not being > >> recorded to the file or was removed from the file somehow? When using > >> 'memfile' for lease storage, the leases are actually in memory. The > >> file is only a record that Kea can use to read the leases back into > >> memory in the case it is restarted. Its possible to setup memfile, > >> set a filename, and not have leases written to the file if you have > >> "persist": false in the lease-database configuration. > >> > >> Thank you, > >> > >> Darren Ankney > >> > >> On Thu, Jun 8, 2023 at 7:10 AM Shobhith Chikku < > [email protected]> wrote: > >> > > >> > Hi, > >> > When I am trying to fetch active leases, even though my lease file is > empty, I am getting leases when I execute > >> > /usr/bin/echo '{"command":"lease4-get-all"}' | /usr/bin/socat - > UNIX:/opt/tcpwave/timsdhcp/kea4-ctrl-socket | /usr/bin/jq > >> > Below mentioned is my lease file > >> > cat /opt/test/dhcp/db/dhcp4.leases > >> > > address,hwaddr,client_id,valid_lifetime,expire,subnet_id,fqdn_fwd,fqdn_rev,hostname,state,user_context > >> > When I execute lease4-get-all command, I get leases > >> > { > >> > "arguments": { > >> > "leases": [ > >> > { > >> > "client-id": "01:2f:ff:ff:00:00:01", > >> > "cltt": 1686215869, > >> > "fqdn-fwd": false, > >> > "fqdn-rev": false, > >> > "hostname": "dhcp-client-000001", > >> > "hw-address": "2f:ff:ff:00:00:01", > >> > "ip-address": "3.0.0.2", > >> > "state": 0, > >> > "subnet-id": 818110, > >> > "valid-lft": 86400 > >> > } ] > >> > }, > >> > "result": 0, > >> > "text": "10 IPv4 lease(s) found." > >> > } > >> > Where am I getting this from? > >> > Thanks in advance > >> > Shobhith > >> > -- > >> > ISC funds the development of this software with paid support > subscriptions. Contact us at https://www.isc.org/contact/ for more > information. > >> > > >> > To unsubscribe visit https://lists.isc.org/mailman/listinfo/kea-users > . > >> > > >> > Kea-users mailing list > >> > [email protected] > >> > https://lists.isc.org/mailman/listinfo/kea-users > >> -- > >> ISC funds the development of this software with paid support > subscriptions. Contact us at https://www.isc.org/contact/ for more > information. > >> > >> To unsubscribe visit https://lists.isc.org/mailman/listinfo/kea-users. > >> > >> Kea-users mailing list > >> [email protected] > >> https://lists.isc.org/mailman/listinfo/kea-users >
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