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Handled IPAM policy properly to fully support strict IPAM #619

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merged 5 commits into from
Oct 17, 2024
Merged

Handled IPAM policy properly to fully support strict IPAM #619

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14c8d6f
Handled IPAM policy properly to fully support strict IPAM
Oct 11, 2024
f681e86
Fix linter
Oct 11, 2024
e95da0d
Fix gogenerate
Oct 11, 2024
300690b
Fix review comments
Oct 17, 2024
0f4b5b0
Fix gogenerate linter error
Oct 17, 2024
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2 changes: 1 addition & 1 deletion .golangci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ linters-settings:
threshold: 150
funlen:
Lines: 175
Statements: 90
Statements: 100
goconst:
min-len: 2
min-occurrences: 2
Expand Down
1 change: 0 additions & 1 deletion internal/pkg/imports/imports_linux.go
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Expand Up @@ -25,7 +25,6 @@ import (
_ "github.com/networkservicemesh/sdk/pkg/networkservice/common/policyroute"
_ "github.com/networkservicemesh/sdk/pkg/networkservice/connectioncontext/dnscontext"
_ "github.com/networkservicemesh/sdk/pkg/networkservice/ipam/groupipam"
_ "github.com/networkservicemesh/sdk/pkg/networkservice/ipam/point2pointipam"
_ "github.com/networkservicemesh/sdk/pkg/networkservice/ipam/strictipam"
_ "github.com/networkservicemesh/sdk/pkg/registry/chains/client"
_ "github.com/networkservicemesh/sdk/pkg/registry/common/authorize"
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22 changes: 15 additions & 7 deletions main.go
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Expand Up @@ -67,7 +67,6 @@ import (
"github.com/networkservicemesh/sdk/pkg/networkservice/common/policyroute"
"github.com/networkservicemesh/sdk/pkg/networkservice/connectioncontext/dnscontext"
"github.com/networkservicemesh/sdk/pkg/networkservice/ipam/groupipam"
"github.com/networkservicemesh/sdk/pkg/networkservice/ipam/point2pointipam"
"github.com/networkservicemesh/sdk/pkg/networkservice/ipam/strictipam"
registryclient "github.com/networkservicemesh/sdk/pkg/registry/chains/client"
registryauthorize "github.com/networkservicemesh/sdk/pkg/registry/common/authorize"
Expand Down Expand Up @@ -111,21 +110,30 @@ type Config struct {
PprofListenOn string `default:"localhost:6060" desc:"pprof URL to ListenAndServe" split_words:"true"`
}

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@denis-tingaikin denis-tingaikin Oct 16, 2024 •
edited
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Suggested change
type newIPAMFunc func(...*net.IPNet) networkservice.NetworkServiceServer
// Decode takes a string IPAM Policy and returns the IPAM Policy func
func (f *newIPAMFunc) Decode(policy string) error {
switch config.IPAMPolicy {
case "strict":
*f = func(cidrPrefix [][]*net.IPNet) {
var ipnetList []*net.IPNet
for _, group := range cidrPrefix {
ipnetList = append(ipnetList, group...)
}
return strictipam.NewServer(func(i ...*net.IPNet) networkservice.NetworkServiceServer {
return groupipam.NewServer(cidrPrefix)
}, ipnetList...)
case "polite":
*f = func(cidrPrefix [][]*net.IPNet) {
return groupipam.NewServer(cidrPrefix)
}
default:
logrus.Fatalf("not a valid IPAM Policy: %s", config.IPAMPolicy)
}
}

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Done

type ipamPolicyFunc func(...*net.IPNet) networkservice.NetworkServiceServer
type ipamPolicyFunc func([][]*net.IPNet) networkservice.NetworkServiceServer

// Decode takes a string IPAM Policy and returns the IPAM Policy func
func (f *ipamPolicyFunc) Decode(policy string) error {
switch strings.ToLower(policy) {
case "strict":
*f = func(prefixes ...*net.IPNet) networkservice.NetworkServiceServer {
return strictipam.NewServer(point2pointipam.NewServer, prefixes...)
*f = func(cidrPrefix [][]*net.IPNet) networkservice.NetworkServiceServer {
var ipnetList []*net.IPNet
for _, group := range cidrPrefix {
ipnetList = append(ipnetList, group...)
}
return strictipam.NewServer(func(i ...*net.IPNet) networkservice.NetworkServiceServer {
return groupipam.NewServer(cidrPrefix)
}, ipnetList...)
}
return nil
case "polite":
*f = point2pointipam.NewServer
*f = func(cidrPrefix [][]*net.IPNet) networkservice.NetworkServiceServer {
return groupipam.NewServer(cidrPrefix)
}
return nil
default:
return errors.Errorf("not a valid IPAM Policy: %s", policy)
}
return errors.Errorf("not a valid IPAM Policy: %s", policy)
}

// Process prints and processes env to config
Expand Down Expand Up @@ -245,7 +253,7 @@ func main() {
endpoint.WithAuthorizeServer(authorize.NewServer()),
endpoint.WithAdditionalFunctionality(
onidle.NewServer(ctx, cancel, config.IdleTimeout),
groupipam.NewServer(config.CidrPrefix, groupipam.WithCustomIPAMServer(config.IPAMPolicy)),
config.IPAMPolicy(config.CidrPrefix),
policyroute.NewServer(newPolicyRoutesGetter(ctx, config.PBRConfigPath).Get),
mechanisms.NewServer(map[string]networkservice.NetworkServiceServer{
kernelmech.MECHANISM: kernel.NewServer(),
Expand Down
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