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multi-interface network support #8208

Merged
merged 6 commits into from Jun 19, 2020
Merged

multi-interface network support #8208

merged 6 commits into from Jun 19, 2020

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nickethier
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@nickethier nickethier added this to the 0.12.0-beta1 milestone Jun 19, 2020
@nickethier nickethier marked this pull request as ready for review June 19, 2020 18:40
})
f.logger.Debug("detected CNI network", "name", name)
}

resp.NodeResources = &structs.NodeResources{
Networks: nodeNetworks,
Networks: nodeNetworks,
NodeNetworks: newNodeNetworks,
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nit: maybe rename nodeNetworks to something else so we aren't cross-naming fields here


if len(alloc.AllocatedResources.Shared.Ports) == 0 && len(alloc.AllocatedResources.Shared.Networks) > 0 {
for _, network := range alloc.AllocatedResources.Shared.Networks {
for _, port := range append(network.DynamicPorts, network.ReservedPorts...) {
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I'm not sure this is safe - append may or may not re-allocate the underlying array of the first slice which gets confusing if it's also being indexed elsewhere (at which point each slice pointer is pointing to different arrays even though they were supposed to always be the same).
Very unlikely to be a problem since I don't think we modify these after they're created, but I'd rather error on safety by creating a copy first

@@ -197,6 +198,8 @@ func TestNetworkFingerprint_basic(t *testing.T) {
t.Fatalf("err: %v", err)
}

spew.Dump(response)
os.Exit(0)
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some leftover debugging?

@@ -10,14 +10,15 @@ import (
)

func TestNetworkIndex_Overcommitted(t *testing.T) {
t.Skip()
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maybe a leave a deprecated note in the Skip

@shoenig
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shoenig commented Jun 19, 2020

This looks great, @nickethier !

Seems like we might want to come up with a test matrix for the upgrade path, that we can at least go through manually before GA. It's hard for me to think about exactly what's going to happen between the old and new structs

Comment on lines +201 to +202
spew.Dump(response)
os.Exit(0)
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Left in some debugging code

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Let's get this merged and fix it up in follow ups. Public structs, fields, and funcs need comments too.

I think the system scheduler is the only significant bug I noticed.

@@ -70,15 +70,21 @@ const (
// The ip:port are always the host's.
AddrPrefix = "NOMAD_ADDR_"

HostAddrPrefix = "NOMAD_HOST_ADDR_"
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All of these need comments.

@@ -36,6 +36,7 @@ require (
github.com/coreos/go-semver v0.3.0
github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
github.com/cyphar/filepath-securejoin v0.2.3-0.20190205144030-7efe413b52e1 // indirect
github.com/davecgh/go-spew v1.1.1
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Also due to debugging code above

Suggested change
github.com/davecgh/go-spew v1.1.1

@@ -226,6 +261,30 @@ func (idx *NetworkIndex) AddReservedPortRange(ports string) (collide bool) {
return
}

// AddReservedPortsForIP
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Finish + comment other funcs

@@ -10,14 +10,15 @@ import (
)

func TestNetworkIndex_Overcommitted(t *testing.T) {
t.Skip()
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Remove?

@@ -500,6 +500,7 @@ func (s *GenericScheduler) computePlacements(destructive, place []placementResul
}
if option.AllocResources != nil {
resources.Shared.Networks = option.AllocResources.Networks
resources.Shared.Ports = option.AllocResources.Ports
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Need to make this change in the system scheduler too

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github-actions bot commented Jan 2, 2023

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If you have found a problem that seems related to this change, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.

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3 participants