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Update readme

Bug in DevStack[1] which affects multi-region deployment has been
fixed. Update readme to adapt this DevStack change.

[1] https://bugs.launchpad.net/devstack/+bug/1540802

Change-Id: I19876c359910741e5fe5babdd209b06f126b0d4f
changes/40/308940/3
zhiyuan_cai 6 years ago
parent
commit
407703ade7
  1. 33
      README.md
  2. 1
      devstack/local.conf.node_2.sample
  3. 7
      tricircle/tests/unit/network/test_plugin.py

33
README.md

@ -207,24 +207,6 @@ network interface in the second node for external network. In this guide, the
external network is also vlan type, so the local.conf sample is based on vlan
type external network setup.
> DevStack supports multiple regions sharing the same Keystone, but one recent
> merged [patch](https://github.com/openstack-dev/devstack/commit/923be5f791c78fa9f21b2e217a6b61328c493a38#diff-4f76c30de6fd72bd49643dbcf1007a61)
> introduces a bug to DevStack so you may have problem deploying Tricircle if
> you use the newest DevStack code. One quick fix is:
```
> diff --git a/stack.sh b/stack.sh
> index c21ff77..0f8251e 100755
> --- a/stack.sh
> +++ b/stack.sh
> @@ -1024,7 +1024,7 @@ export OS_USER_DOMAIN_ID=default
> export OS_PASSWORD=$ADMIN_PASSWORD
> export OS_PROJECT_NAME=admin
> export OS_PROJECT_DOMAIN_ID=default
> -export OS_REGION_NAME=$REGION_NAME
> +export OS_REGION_NAME=RegionOne
```
> RegionOne is the region name of top OpenStack(Tricircle).
### Setup
In node1,
@ -248,12 +230,6 @@ OVS_BRIDGE_MAPPINGS=bridge:br-bridge
Q_USE_PROVIDERNET_FOR_PUBLIC=True
- use this option if you would like to try L3 north-south networking.
```
Tricircle doesn't support security group currently so we use these two options
to disable security group functionality.
```
Q_USE_SECGROUP=False
LIBVIRT_FIREWALL_DRIVER=nova.virt.firewall.NoopFirewallDriver
```
- 5 Create OVS bridge and attach the VLAN network interface to it
```
sudo ovs-vsctl add-br br-bridge
@ -337,7 +313,10 @@ list" and you should get similar output as following:
default value is "RegionOne", we use it as the region for Tricircle; "Pod1" is
the region set via POD_REGION_NAME, new configuration option introduced by
Tricircle, we use it as the bottom OpenStack; "Pod2" is the region you set via
REGION_NAME in node2, we use it as another bottom OpenStack.
REGION_NAME in node2, we use it as another bottom OpenStack. In node2, you also
need to set KEYSTONE_REGION_NAME the same as REGION_NAME in node1, which is
"RegionOne" in this example. So services in node2 can interact with Keystone
service in RegionOne.
- 2 Create pod instances for Tricircle and bottom OpenStack
```
curl -X POST http://127.0.0.1:19999/v1.0/pods -H "Content-Type: application/json" \
@ -387,8 +366,8 @@ nova --os-region-name Pod1 get-vnc-console vm1 novnc
nova --os-region-name Pod2 get-vnc-console vm2 novnc
```
Login one virtual machine via VNC and you should find it can "ping" the other
virtual machine. Security group functionality is disabled in bottom OpenStack
so no need to configure security group rule.
virtual machine. Default security group is applied so no need to configure
security group rule.
### North-South Networking

1
devstack/local.conf.node_2.sample

@ -39,6 +39,7 @@ Q_USE_PROVIDERNET_FOR_PUBLIC=True
HOST_IP=10.250.201.25
REGION_NAME=Pod2
KEYSTONE_REGION_NAME=RegionOne
SERVICE_HOST=$HOST_IP
KEYSTONE_SERVICE_HOST=10.250.201.24
KEYSTONE_AUTH_HOST=10.250.201.24

7
tricircle/tests/unit/network/test_plugin.py

@ -381,7 +381,12 @@ class FakeQuery(object):
keys = []
values = []
for e in criteria:
if not isinstance(e.right, elements.Null):
if not hasattr(e, 'right') and isinstance(e, elements.False_):
# filter is a single False value, set key to a 'INVALID_FIELD'
# then no records will be returned
keys.append('INVALID_FIELD')
values.append(False)
elif not isinstance(e.right, elements.Null):
_filter.append(e)
else:
if e.left.name == 'network_id' and (

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