[Kea-users] Fwd: KEA 1.1.0 and cassandra cluster
Lex Ivanov
lex at ezelink.com
Thu Jan 12 14:50:01 UTC 2017
Thank you, Razvan,
>You have to define 2 subnets, each having it's own set of option-data,
even if they are sharing the same network space like this:
That worked for me. I used global "option-data" for "Dhcp4" before.
On Thu, Jan 12, 2017 at 5:43 PM, Razvan Becheriu <
razvan.becheriu at qualitance.com> wrote:
> Hi,
>
> I did a mistake in the configuration. I've missed some '[' and ']' around
> option-data.
> The configuration should look like this:
> "subnet4": [
> {
> "subnet": "192.0.2.0/24",
> "pools": [ { "pool": "192.0.2.10-192.0.2.20" } ],
> "interface": "eth1",
> "option-data": [
> {
> "name": "routers",
> "code": 3,
> "space": "dhcp4",
> "csv-format": true,
> "data": "10.4.0.1"
> } ]
> },
> {
> "subnet": "192.0.2.0/24",
> "pools": [ { "pool": "192.0.2.10-192.0.2.20" } ],
> "interface": "eth2",
> "option-data": [
> {
> "name": "routers",
> "code": 3,
> "space": "dhcp4",
> "csv-format": true,
> "data": "10.5.0.1"
> } ]
> }
> ]
>
> On Thu, Jan 12, 2017 at 3:31 PM, Razvan Becheriu <
> razvan.becheriu at qualitance.com> wrote:
>
>> Hi,
>>
>> You have to define 2 subnets, each having it's own set of option-data,
>> even if they are sharing the same network space like this:
>>
>> "subnet4": [
>> {
>> "subnet": "192.0.2.0/24",
>> "pools": [ { "pool": "192.0.2.10-192.0.2.20" } ],
>> "interface": "eth1",
>> "option-data":
>> {
>> "name": "routers",
>> "code": 3,
>> "space": "dhcp4",
>> "csv-format": true,
>> "data": "10.4.0.1"
>> }
>> },
>> {
>> "subnet": "192.0.2.0/24",
>> "pools": [ { "pool": "192.0.2.10-192.0.2.20" } ],
>> "interface": "eth2",
>> "option-data":
>> {
>> "name": "routers",
>> "code": 3,
>> "space": "dhcp4",
>> "csv-format": true,
>> "data": "10.5.0.1"
>> }
>> }
>> ]
>>
>> Regards,
>> Razvan
>>
>> On Thu, Jan 12, 2017 at 3:06 PM, Andrei Pavel <
>> andrei.pavel at qualitance.com> wrote:
>>
>>> > That helped. But now I have to use only keyspace 'keatest', so the
>>> option "name" does not work. Otherwise I'm getting:
>>> >
>>> > 1484223384.208 [ERROR] (src/pool.cpp:388:virtual void
>>> cass::Pool::on_close(cass::Connection*)): Connection pool was unable to
>>> connect to host 192.168.144.133 because of the following error: Received
>>> error response 'Keyspace 'keatest' does not exist' (0x02002200)
>>> > 2017-01-12 16:16:24.213 ERROR [kea-dhcp4.dhcp4/10010] DHCP4_INIT_FAIL
>>> failed to initialize Kea server: configuration error using file
>>> '/usr/local/etc/kea/kea.conf': Unable to open database: could not connect
>>> to DB reason: Keyspace 'keatest' does not exist error code: 16777231
>>>
>>> For Cassandra, "name" is "keyspace". And I can confirm that those are
>>> the only options that differ. "port", "user" and "password" are all
>>> the same as in the other backends.
>>>
>>>
>>>
>>> On Thu, Jan 12, 2017 at 2:41 PM, Lex Ivanov <lex at ezelink.com> wrote:
>>> > Thank you, Andrei,
>>> >
>>> > That helped. But now I have to use only keyspace 'keatest', so the
>>> option
>>> > "name" does not work. Otherwise I'm getting:
>>> >
>>> > 1484223384.208 [ERROR] (src/pool.cpp:388:virtual void
>>> > cass::Pool::on_close(cass::Connection*)): Connection pool was unable
>>> to
>>> > connect to host 192.168.144.133 because of the following error:
>>> Received
>>> > error response 'Keyspace 'keatest' does not exist' (0x02002200)
>>> > 2017-01-12 16:16:24.213 ERROR [kea-dhcp4.dhcp4/10010] DHCP4_INIT_FAIL
>>> failed
>>> > to initialize Kea server: configuration error using file
>>> > '/usr/local/etc/kea/kea.conf': Unable to open database: could not
>>> connect to
>>> > DB reason: Keyspace 'keatest' does not exist error code: 16777231
>>> >
>>> > And concerning the second question:
>>> > yes, I'm using
>>> >
>>> > "interfaces-config": {
>>> > "interfaces": [ "eth0", "eth1" ]
>>> > },
>>> >
>>> > But I want Kea to send 'default router' 10.4.0.1 to clients on eth0 and
>>> > 10.5.0.1 to clients on eth1.
>>> > Is it possible?
>>> >
>>> >
>>> > On Thu, Jan 12, 2017 at 3:43 PM, Andrei Pavel <
>>> andrei.pavel at qualitance.com>
>>> > wrote:
>>> >>
>>> >> Hello,
>>> >>
>>> >> Since you may specify multiple hosts, the "host" parameter has been
>>> >> renamed for Cassandra to "contact_points". Try this:
>>> >>
>>> >> "lease-database": {
>>> >> "type": "cql",
>>> >> "contact_points": "192.168.144.164",
>>> >> "name": "keadhcp1"
>>> >> },
>>> >>
>>> >> This doesn't seem to be documented. I'll try to amend a pending pull
>>> >> request to fix this.
>>> >>
>>> >> The double interface however seems to be configurable according to the
>>> >> documentation [1]. You must specify the two interfaces in the
>>> >> configuration file. Search for "interfaces-config" for an example.
>>> >>
>>> >> "interfaces-config": {
>>> >> "interfaces": [ "eth0", "eth1" ]
>>> >> },
>>> >>
>>> >> [1] https://jenkins.isc.org/job/Kea_doc/guide/kea-guide.html#idp
>>> 1380266404
>>> >>
>>> >> On Thu, Jan 12, 2017 at 7:22 AM, Lex Ivanov <lex at ezelink.com> wrote:
>>> >> > Hi,
>>> >> >
>>> >> > I'm trying to run KEA with cassandra cluster, the settings are:
>>> >> >
>>> >> > "lease-database": { "type": "cql", "host": "192.168.144.164",
>>> "name":
>>> >> > "keadhcp1" },
>>> >> >
>>> >> > But KEA seems to try to connect to 127.0.0.1 instead of one of the
>>> >> > nodes.
>>> >> >
>>> >> > The error is:
>>> >> >
>>> >> > 1484117590.591 [ERROR] (src/control_connection.cpp:263:virtual void
>>> >> > cass::ControlConnection::on_close(cass::Connection*)): Unable to
>>> >> > establish a
>>> >> > control connection to host 127.0.0.1 because of the following error:
>>> >> > Connect
>>> >> > error 'connection refused'
>>> >> > 2017-01-11 10:53:10.592 ERROR [kea-dhcp4.dhcp4/16700]
>>> DHCP4_INIT_FAIL
>>> >> > failed
>>> >> > to initialize Kea server: configuration error using file
>>> >> > '/usr/local/etc/kea/kea.conf': Unable to open database: could not
>>> >> > connect to
>>> >> > DB reason: No hosts available for the control connection error code:
>>> >> > 16777226
>>> >> >
>>> >> > Am I doing smth wrong or KEA is not supposed to connect to cassandra
>>> >> > other
>>> >> > than on localhost?
>>> >> >
>>> >> >
>>> >> > And one more question. I need KEA to work on 2 interfaces. How can I
>>> >> > assign
>>> >> > 2 different routers to these interfaces?
>>> >> >
>>> >> > Now the only option i found is to send multiple routers like this:
>>> >> >
>>> >> > {
>>> >> > "name": "routers",
>>> >> > "code": 3,
>>> >> > "space": "dhcp4",
>>> >> > "csv-format": true,
>>> >> > "data": "10.4.0.1,10.5.0.1"
>>> >> >
>>> >> > }
>>> >> >
>>> >> >
>>> >> > --
>>> >> > Best regards,
>>> >> > Alex Ivanov
>>> >> >
>>> >> > EzeLink Telecom
>>> >> >
>>> >> > _______________________________________________
>>> >> > Kea-users mailing list
>>> >> > Kea-users at lists.isc.org
>>> >> > https://lists.isc.org/mailman/listinfo/kea-users
>>> >> >
>>> >>
>>> >>
>>> >>
>>> >> --
>>> >> Andrei Pavel | junior c++ developer | QUALITANCE™
>>> >> RO: +40 (748) 220 135 | office: +40 (372) 944 741
>>> >> Opera Center bldg. 2, fl. 7-8, 2 Dr. Nicolae D. Staicovici, Bucharest
>>> >> 050556
>>> >> andrei.pavel at qualitance.com | www.qualitance.com
>>> >>
>>> >> a Deloitte Technology Fast 50 company | ranked in the Inc. 5000
>>> Europe for
>>> >> 2016
>>> >>
>>> >> --
>>> >> The information contained in this email is confidential. It is
>>> >> intended only for the stated addressee and access to it by any other
>>> >> person is unauthorised. If you are not an addressee, you must not
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>>> >
>>> >
>>> >
>>> >
>>> > --
>>> > Best regards,
>>> > Alex Ivanov
>>> >
>>> > EzeLink Telecom
>>>
>>>
>>>
>>> --
>>> Andrei Pavel | junior c++ developer | QUALITANCE™
>>> RO: +40 (748) 220 135 | office: +40 (372) 944 741
>>> Opera Center bldg. 2, fl. 7-8, 2 Dr. Nicolae D. Staicovici, Bucharest
>>> 050556
>>> andrei.pavel at qualitance.com | www.qualitance.com
>>>
>>> a Deloitte Technology Fast 50 company | ranked in the Inc. 5000 Europe
>>> for 2016
>>>
>>> --
>>> The information contained in this email is confidential. It is
>>> intended only for the stated addressee and access to it by any other
>>> person is unauthorised. If you are not an addressee, you must not
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>>
>>
>>
>> --
>> *Razvan Becheriu* | senior software engineer | QUALITANCE™
>> *RO:* +40 (746) 090 415 <+40%20746%20090%20415> | *office:* +40 (372)
>> 944 741 <+40%20372%20944%20741>
>> Opera Center bldg. 2, fl. 7-8, 2 Dr. Nicolae D. Staicovici, Bucharest
>> 050556
>> <https://www.google.ro/maps/place/QUALITANCE/@44.433653,26.079464,17z/data=!4m6!1m3!3m2!1s0x40b1ff173c5bc0b9:0x7226343f810c7ede!2sQUALITANCE!3m1!1s0x40b1ff173c5bc0b9:0x7226343f810c7ede?hl=ro>
>> razvan.becheriu at qualitance.com | www.qualitance.com
>>
>> a Deloitte Technology Fast 50
>> <http://www2.deloitte.com/content/dam/Deloitte/global/Documents/About-Deloitte/central-europe/CE_Fast_50_2015.pdf>
>> company | ranked in the Inc. 5000 Europe
>> <http://www.inc.com/inc5000eu/list/2016/> for 2016
>> --
>> The information contained in this email is confidential. It is intended
>> only for the stated addressee and access to it by any other person is
>> unauthorised. If you are not an addressee, you must not disclose, copy,
>> circulate or in another way use or reply to the information contained in
>> this email. Such unauthorised use may be unlawful. If you have received
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>>
>
>
>
> --
> *Razvan Becheriu* | senior software engineer | QUALITANCE™
> *RO:* +40 (746) 090 415 | *office:* +40 (372) 944 741
> Opera Center bldg. 2, fl. 7-8, 2 Dr. Nicolae D. Staicovici, Bucharest
> 050556
> <https://www.google.ro/maps/place/QUALITANCE/@44.433653,26.079464,17z/data=!4m6!1m3!3m2!1s0x40b1ff173c5bc0b9:0x7226343f810c7ede!2sQUALITANCE!3m1!1s0x40b1ff173c5bc0b9:0x7226343f810c7ede?hl=ro>
> razvan.becheriu at qualitance.com | www.qualitance.com
>
> a Deloitte Technology Fast 50
> <http://www2.deloitte.com/content/dam/Deloitte/global/Documents/About-Deloitte/central-europe/CE_Fast_50_2015.pdf>
> company | ranked in the Inc. 5000 Europe
> <http://www.inc.com/inc5000eu/list/2016/> for 2016
> --
> The information contained in this email is confidential. It is intended
> only for the stated addressee and access to it by any other person is
> unauthorised. If you are not an addressee, you must not disclose, copy,
> circulate or in another way use or reply to the information contained in
> this email. Such unauthorised use may be unlawful. If you have received
> this email in error, please notify the sender immediately and delete all
> copies from your computer and network.
>
--
Best regards,
Alex Ivanov
EzeLink Telecom
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