Vpnaas: Update Service #784

+// UpdateOpts contains the values used when updating a VPN service
+type UpdateOpts struct {
+	// Name is the human readable name of the service.
+	Name string `json:"name,omitempty"`


Is it possible to not have a Name? If so, let's say a user originally set a name but then wants to remove the name. By having the field configured like the above, that's not possible because an empty string is string's zero-value and with omitempty, it won't be sent.

So we'll need to do:

Name *string `json:"name,omitempty"`

That way a pointer to an empty string will be sent and successfully clear the name.

jtopjian · 2018-02-22T03:27:16Z

openstack/networking/v2/extensions/vpnaas/services/requests.go

+	Name string `json:"name,omitempty"`
+
+	// Description is the human readable description of the service.
+	Description string `json:"description,omitempty"`


Same as above.

jtopjian · 2018-02-22T03:28:39Z

openstack/networking/v2/extensions/vpnaas/services/testing/requests_test.go

+        "name": "updatedname",
+        "admin_state_up": false,
+        "subnet_id": null,
+        "tenant_id": "10039663455a446d8ba2cbb058b0f578",


This is odd. So in this test fixture project_id is not here...

Ignoring the API docs, because they can sometimes have old or incorrect information, what are you seeing in your working environment? You can view the raw API request/response by calling neutron with neutron --debug.

The API is returning 'project_id' in the response in my working environment when running
neutron --debug vpn-service-list. Should I include it as a field in the result then?

Yes please. We always prefer actual API output over API references.

Ok. I was under the impression that I should only include the fields reference in the source code here.

Yeah, sometimes there's a lot of mystery and investigation to this.

You're absolutely right: if the service code is showing fields, that's confident confirmation that the fields are valid.

If the API references are showing fields that the aren't in the code, then there are two possibilities:

The API reference is wrong (it happens frequently enough)

The field is being added somewhere else in the service code. This happens a lot with Neutron, specifically with project_id and tenant_id. So the next source of confident information is the API interaction between you and your OpenStack environment.

For fields like project_id, created_at, or some other "meta" field, we can be fairly confident that they're somewhere in Neutron and as long as you're seeing them in your API interaction, that's good enough for me. But let's say your API interaction was also showing something like router_id. Then we'll really want to dig into the Neutron code (by either grepping the entire code for router_id or using the github search box) and figuring out where it's coming from. That's ugly work, but it makes sure Gophercloud is correct.

With regard to test fixtures, please always use fixtures generated yourself rather than fixtures from the API references. We (gophercloud) agreed to enforce this a while back but I occasionally forget to check. Using "real" fixtures helps us make sure the data is correct.

Let me know if all of that makes sense.

Yes, that does make a lot of sense. I'll keep that in mind from now on. Thanks for the explanation!

jtopjian · 2018-02-22T03:30:00Z

@simonre Also, this file is a good resource to determine which fields can be used in both Create (allow_post) and Update (allow_put).

edit: Duh. I forgot to link to the file: https://github.com/openstack/neutron-vpnaas/blob/master/neutron_vpnaas/extensions/vpnaas.py

simonre · 2018-02-26T12:52:28Z

@jtopjian I put the state of this back to [WIP] because I noticed a problem with writing acceptance tests for this. A VPN service can only be updated after its state has been set to ACTIVE. The state of a VPN Service is only set to ACTIVE after an IPSec Site connection for it has been created. This means that there are two alternatives for this pull request:

Merge without an acceptance test
Create files for all other resources for VPNaas first, then create an IPSec policy, an IKE policy and an IPSec site connection inside the acceptance test and test the update method after waiting for the ACTIVE state of the VPN service.
Let me know if this didn't make sense or I overlooked another way of acceptance testing this.

jtopjian · 2018-02-27T04:22:49Z

@simonre Good catch. Let's go with Option 2.

I would prefer to merge the VPN suite in order of functionality. If it's not possible to Update a connection entirely through Gophercloud, let's hold off until it is.

simonre · 2018-03-26T22:23:19Z

@jtopjian I've been working on implementing this but there are some obstacles.
The service state does not turn to active unless the IPSec site connection using the service is ACTIVEas well. This does only happen when there is a connection on the 'other side' sending data through the connection.

I can create the two sides of the connection without a problem entirely through gophercloud but unless I'm missing something there doesn't seem to be an easy way to send data through the connection turning its state to ACTIVE and thereby turning the VPN state to active.
Do you have any idea how this could be done?
If not, how do you suggest we proceed with this PR?
Let me know if my explanation doesn't make sense.

jtopjian · 2018-03-27T02:25:12Z

@simonre Makes sense to me - thank you for the detailed explanation. This sounds like a pretty complex test fixture. I'm sure there's some way to do it, but I'm not immediately sure how.

I can create the two sides of the connection without a problem entirely through gophercloud

This is good enough for me. You've done some great work with the other acceptance tests and if this is the only test omitted in the entire VPNaaS suite, I think that is acceptable. :)

The pieces will be in place for either you or someone else to add this in the future.

simonre · 2018-03-27T15:36:54Z

@jtopjian

if this is the only test omitted

It would actually be one of two tests omitted in the suite. The other one would be for the update function for ipsec site connections. Updating a site connection has the exact same issue(Can't be updated while the state is PENDING_CREATE).

One other solution I could think of would be to somehow get the connection state to either DOWN or ERROR as according to the documentation those might work with the update function. Problem is again that I am not sure how to provoke those states intentionally.

For now I'll omit both tests if that's ok.

jtopjian · 2018-03-27T15:48:14Z

For now I'll omit both tests if that's ok.

Yes, that sounds good to me.

simonre · 2018-03-27T17:21:32Z

@jtopjian This is ready for review

theopenlab-ci · 2018-03-27T17:51:44Z

Build succeeded.

gophercloud-unittest : SUCCESS in 6m 07s
gophercloud-acceptance-test : SUCCESS in 28m 54s

jtopjian · 2018-03-27T19:42:04Z

@simonre Looks good to me!

Add "openstack_networking_qos_dscp_marking_rule_v2" resource with tests and website documentation.

simonre changed the title ~~Vpnaas service update~~ [WIP] Vpnaas: Update Service Feb 21, 2018

simonre changed the title ~~[WIP] Vpnaas: Update Service~~ Vpnaas: Update Service Feb 21, 2018

jtopjian requested changes Feb 22, 2018

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jtopjian mentioned this pull request Feb 22, 2018

Vpnaas: Service Get/List #771

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simonre changed the title ~~Vpnaas: Update Service~~ [WIP] Vpnaas: Update Service Feb 26, 2018

simonre force-pushed the vpnaas-service-update branch 2 times, most recently from af21f84 to 23dc8ba Compare March 27, 2018 15:57

added update request

3b8ddac

simonre force-pushed the vpnaas-service-update branch from 30db80a to 3b8ddac Compare March 27, 2018 16:09

simonre mentioned this pull request Mar 27, 2018

Vpnaas: Update Site connection #847

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simonre changed the title ~~[WIP] Vpnaas: Update Service~~ Vpnaas: Update Service Mar 27, 2018

jtopjian approved these changes Mar 27, 2018

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jtopjian merged commit 2daf304 into gophercloud:master Mar 27, 2018

simonre mentioned this pull request Mar 27, 2018

Add support for VPNaaS #723

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25 tasks

simonre mentioned this pull request Apr 27, 2018

Vpnaas: VPN service resource terraform-provider-openstack/terraform-provider-openstack#300

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simonre mentioned this pull request May 24, 2018

Vpnaas: IPsec site connection resource terraform-provider-openstack/terraform-provider-openstack#330

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cardoe pushed a commit to cardoe/gophercloud that referenced this pull request Aug 27, 2020

Networking V2: add QoS DSCP marking rule resource (gophercloud#784)

9028aa4

Add "openstack_networking_qos_dscp_marking_rule_v2" resource with tests and website documentation.

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Vpnaas: Update Service #784

Vpnaas: Update Service #784

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Vpnaas: Update Service #784

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