On Tue, Sep 20, 2022 at 2:09 AM Ihar Hrachyshka <[email protected]> wrote:

> On Mon, Sep 19, 2022 at 8:05 PM Ihar Hrachyshka <[email protected]>
> wrote:
> >
> > This patch adds support for the desired system-id (chassis name) to be
> > passed via CLI:
> >
> > $ ovn-controller -n <chassis-name>
> >
> > If passed, CLI overrides any settings stored in ovsdb or in
> > system-id-override file.
> >
> > This may be useful when running multiple controller instances using the
> > same vswitchd instance.
> >
> > Signed-off-by: Ihar Hrachyshka <[email protected]>
> > ---
> >  controller/chassis.c        |  5 +++++
> >  controller/chassis.h        |  1 +
> >  controller/ovn-controller.c |  9 ++++++++
> >  tests/ovn-macros.at         |  4 ++--
> >  tests/ovn.at                | 42 +++++++++++++++++++++++++++++++++++++
> >  5 files changed, 59 insertions(+), 2 deletions(-)
> >
> > diff --git a/controller/chassis.c b/controller/chassis.c
> > index bc8fb5282..383223019 100644
> > --- a/controller/chassis.c
> > +++ b/controller/chassis.c
> > @@ -37,6 +37,7 @@ VLOG_DEFINE_THIS_MODULE(chassis);
> >  #define HOST_NAME_MAX 255
> >  #endif /* HOST_NAME_MAX */
> >
> > +char *cli_system_id = NULL;
> >  char *file_system_id = NULL;
> >
> >  /*
> > @@ -279,6 +280,10 @@ chassis_parse_ovs_iface_types(char **iface_types,
> size_t n_iface_types,
> >  const char *
> >  get_ovs_chassis_id(const struct ovsrec_open_vswitch_table *ovs_table)
> >  {
> > +    if (cli_system_id) {
> > +        return cli_system_id;
> > +    }
> > +
> >      if (file_system_id) {
> >          return file_system_id;
> >      }
> > diff --git a/controller/chassis.h b/controller/chassis.h
> > index baa327059..309ced28f 100644
> > --- a/controller/chassis.h
> > +++ b/controller/chassis.h
> > @@ -31,6 +31,7 @@ struct sset;
> >  struct eth_addr;
> >  struct smap;
> >
> > +extern char *cli_system_id;
> >  extern char *file_system_id;
> >
> >  void chassis_register_ovs_idl(struct ovsdb_idl *);
> > diff --git a/controller/ovn-controller.c b/controller/ovn-controller.c
> > index c71b0851f..16cbb971d 100644
> > --- a/controller/ovn-controller.c
> > +++ b/controller/ovn-controller.c
> > @@ -4519,6 +4519,9 @@ loop_done:
> >      if (file_system_id) {
> >          free(file_system_id);
> >      }
> > +    if (file_system_id) {
>
> This should of course check for cli_system_id, not file_system_id. I
> will update it in the next revision.
>
> > +        free(cli_system_id);
> > +    }
> >      service_stop();
> >
> >      exit(retval);
> > @@ -4544,6 +4547,7 @@ parse_options(int argc, char *argv[])
> >          STREAM_SSL_LONG_OPTIONS,
> >          {"peer-ca-cert", required_argument, NULL, OPT_PEER_CA_CERT},
> >          {"bootstrap-ca-cert", required_argument, NULL,
> OPT_BOOTSTRAP_CA_CERT},
> > +        {"chassis", required_argument, NULL, 'n'},
> >          {"enable-dummy-vif-plug", no_argument, NULL,
> >           OPT_ENABLE_DUMMY_VIF_PLUG},
> >          {NULL, 0, NULL, 0}
> > @@ -4595,6 +4599,10 @@ parse_options(int argc, char *argv[])
> >              vif_plug_dummy_enable();
> >              break;
> >
> > +        case 'n':
> > +            cli_system_id = xstrdup(optarg);
> > +            break;
> > +
> >          case '?':
> >              exit(EXIT_FAILURE);
> >
> > @@ -4630,6 +4638,7 @@ usage(void)
> >      daemon_usage();
> >      vlog_usage();
> >      printf("\nOther options:\n"
> > +           "  -n                      custom chassis name\n"
> >             "  -h, --help              display this help message\n"
> >             "  -V, --version           display version information\n");
> >      exit(EXIT_SUCCESS);
> > diff --git a/tests/ovn-macros.at b/tests/ovn-macros.at
> > index 35b7b3872..b7f236fa8 100644
> > --- a/tests/ovn-macros.at
> > +++ b/tests/ovn-macros.at
> > @@ -290,7 +290,7 @@ net_attach () {
> >
> >  # ovn_az_attach AZ NETWORK BRIDGE IP [MASKLEN]
> >  ovn_az_attach() {
> > -    local az=$1 net=$2 bridge=$3 ip=$4 masklen=${5-24}
> encap=${6-geneve,vxlan} systemid=${7-$sandbox}
> > +    local az=$1 net=$2 bridge=$3 ip=$4 masklen=${5-24}
> encap=${6-geneve,vxlan} systemid=${7-$sandbox} cli_args=${@:8}
> >      net_attach $net $bridge || return 1
> >
> >      mac=`ovs-vsctl get Interface $bridge mac_in_use | sed s/\"//g`
> > @@ -326,7 +326,7 @@ ovn_az_attach() {
> >          ovs-vsctl set open . external_ids:ovn-monitor-all=true
> >      fi
> >
> > -    start_daemon ovn-controller --enable-dummy-vif-plug || return 1
> > +    start_daemon ovn-controller --enable-dummy-vif-plug ${cli_args} ||
> return 1
> >  }
> >
> >  # ovn_attach NETWORK BRIDGE IP [MASKLEN]
> > diff --git a/tests/ovn.at b/tests/ovn.at
> > index 5972089f1..e7b65691e 100644
> > --- a/tests/ovn.at
> > +++ b/tests/ovn.at
> > @@ -32972,3 +32972,45 @@ AT_CHECK(test x$encap_hv1_ip == x)
> >  OVN_CLEANUP([hv1],[hv2])
> >  AT_CLEANUP
> >  ])
> > +
> > +OVN_FOR_EACH_NORTHD([
> > +AT_SETUP([chassis name override via CLI])
> > +ovn_start
> > +net_add n1
> > +
> > +sim_add hv1
> > +as hv1
> > +ovs-vsctl add-br br-phys
> > +
> > +ovs-vsctl \
> > +    -- set Open_vSwitch . external-ids:ovn-encap-type-hv3=geneve \
> > +    -- set Open_vSwitch . external-ids:ovn-encap-ip-hv3=192.168.1.1
> > +
> > +as hv1 ovs-vsctl set-ssl \
> > +   $PKIDIR/testpki-hv3-privkey.pem \
> > +   $PKIDIR/testpki-hv3-cert.pem \
> > +   $PKIDIR/testpki-cacert.pem
> > +
> > +# the last argument is passed to ovn-controller through cli
> > +ovn_attach n1 br-phys 192.168.0.1 24 vxlan hv1 -n hv3
> > +
> > +sim_add hv2
> > +as hv2
> > +ovs-vsctl add-br br-phys
> > +ovn_attach n1 br-phys 192.168.0.2 24 geneve
> > +
> > +# despite that we configured ovn-encap-ip=192.168.0.1, this setting is
> > +# overridden by chassis specific ovn-encap-ip-hv3
> > +OVS_WAIT_UNTIL([
> > +    test "1" = "$(ovn-sbctl list Encap | grep -c '192.168.1.1')"
> > +])
> > +
> > +encap_hv3_ip=$(fetch_column Encap ip chassis_name=hv3 type=geneve)
> > +AT_CHECK(test x$encap_hv3_ip == x192.168.1.1)
> > +
> > +encap_hv1_ip=$(fetch_column Encap ip chassis_name=hv1 type=vxlan)
> > +AT_CHECK(test x$encap_hv1_ip == x)
> > +
> > +OVN_CLEANUP([hv1],[hv2])
> > +AT_CLEANUP
> > +])
> > --
> > 2.34.1
> >
>
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>
>
With the change in v2:

Reviewed-by: Ales Musil <[email protected]>

-- 

Ales Musil

Senior Software Engineer - OVN Core

Red Hat EMEA <https://www.redhat.com>

[email protected]    IM: amusil
<https://red.ht/sig>
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