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[!] add cross-platform support for ARP gratuitous requests, fixes #288 
1 parent 40deff0 commit 92c9461

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8 files changed

+166
-187
lines changed

8 files changed

+166
-187
lines changed

‎README.md‎

Lines changed: 61 additions & 42 deletions
Large diffs are not rendered by default.

‎go.mod‎

Lines changed: 17 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -3,6 +3,7 @@ module github.com/cybertec-postgresql/vip-manager
33
go 1.23.0
44

55
require (
6+
github.com/google/gopacket v1.1.19
67
github.com/hashicorp/consul/api v1.31.0
78
github.com/mdlayher/arp v0.0.0-20220512170110-6706a2966875
89
github.com/spf13/pflag v1.0.5
@@ -13,11 +14,11 @@ require (
1314
)
1415

1516
require (
16-
github.com/armon/go-metrics v0.5.3 // indirect
17+
github.com/armon/go-metrics v0.5.4 // indirect
1718
github.com/coreos/go-semver v0.3.1 // indirect
1819
github.com/coreos/go-systemd/v22 v22.5.0 // indirect
19-
github.com/fatih/color v1.17.0 // indirect
20-
github.com/fsnotify/fsnotify v1.7.0 // indirect
20+
github.com/fatih/color v1.18.0 // indirect
21+
github.com/fsnotify/fsnotify v1.8.0 // indirect
2122
github.com/gogo/protobuf v1.3.2 // indirect
2223
github.com/golang/protobuf v1.5.4 // indirect
2324
github.com/hashicorp/errwrap v1.1.0 // indirect
@@ -30,8 +31,8 @@ require (
3031
github.com/hashicorp/hcl v1.0.0 // indirect
3132
github.com/hashicorp/serf v0.10.1 // indirect
3233
github.com/josharian/native v1.1.0 // indirect
33-
github.com/magiconair/properties v1.8.7 // indirect
34-
github.com/mattn/go-colorable v0.1.13 // indirect
34+
github.com/magiconair/properties v1.8.9 // indirect
35+
github.com/mattn/go-colorable v0.1.14 // indirect
3536
github.com/mattn/go-isatty v0.0.20 // indirect
3637
github.com/mdlayher/ethernet v0.0.0-20220221185849-529eae5b6118 // indirect
3738
github.com/mdlayher/packet v1.1.2 // indirect
@@ -40,23 +41,23 @@ require (
4041
github.com/mitchellh/mapstructure v1.5.0 // indirect
4142
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
4243
github.com/pelletier/go-toml/v2 v2.2.3 // indirect
43-
github.com/sagikazarmark/locafero v0.6.0 // indirect
44+
github.com/sagikazarmark/locafero v0.7.0 // indirect
4445
github.com/sagikazarmark/slog-shim v0.1.0 // indirect
4546
github.com/sourcegraph/conc v0.3.0 // indirect
46-
github.com/spf13/afero v1.11.0 // indirect
47-
github.com/spf13/cast v1.7.0 // indirect
47+
github.com/spf13/afero v1.12.0 // indirect
48+
github.com/spf13/cast v1.7.1 // indirect
4849
github.com/subosito/gotenv v1.6.0 // indirect
4950
go.etcd.io/etcd/api/v3 v3.5.17 // indirect
5051
go.etcd.io/etcd/client/pkg/v3 v3.5.17 // indirect
5152
go.uber.org/multierr v1.11.0 // indirect
52-
golang.org/x/exp v0.0.0-20240823005443-9b4947da3948 // indirect
53-
golang.org/x/net v0.28.0 // indirect
54-
golang.org/x/sync v0.8.0 // indirect
55-
golang.org/x/text v0.17.0 // indirect
56-
google.golang.org/genproto/googleapis/api v0.0.0-20240823204242-4ba0660f739c // indirect
57-
google.golang.org/genproto/googleapis/rpc v0.0.0-20240823204242-4ba0660f739c // indirect
58-
google.golang.org/grpc v1.65.0 // indirect
59-
google.golang.org/protobuf v1.34.2 // indirect
53+
golang.org/x/exp v0.0.0-20250106191152-7588d65b2ba8 // indirect
54+
golang.org/x/net v0.34.0 // indirect
55+
golang.org/x/sync v0.10.0 // indirect
56+
golang.org/x/text v0.21.0 // indirect
57+
google.golang.org/genproto/googleapis/api v0.0.0-20250106144421-5f5ef82da422 // indirect
58+
google.golang.org/genproto/googleapis/rpc v0.0.0-20250106144421-5f5ef82da422 // indirect
59+
google.golang.org/grpc v1.69.4 // indirect
60+
google.golang.org/protobuf v1.36.2 // indirect
6061
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
6162
gopkg.in/ini.v1 v1.67.0 // indirect
6263
gopkg.in/yaml.v3 v3.0.1 // indirect

‎go.sum‎

Lines changed: 32 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -26,10 +26,14 @@ github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL
2626
github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYFFOfk=
2727
github.com/fatih/color v1.17.0 h1:GlRw1BRJxkpqUCBKzKOw098ed57fEsKeNjpTe3cSjK4=
2828
github.com/fatih/color v1.17.0/go.mod h1:YZ7TlrGPkiz6ku9fK3TLD/pl3CpsiFyu8N92HLgmosI=
29+
github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
30+
github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
2931
github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
3032
github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
3133
github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
3234
github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
35+
github.com/fsnotify/fsnotify v1.8.0 h1:dAwr6QBTBZIkG8roQaJjGof0pp0EeF+tNV7YBP3F/8M=
36+
github.com/fsnotify/fsnotify v1.8.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
3337
github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
3438
github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
3539
github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
@@ -54,6 +58,8 @@ github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8
5458
github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
5559
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
5660
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
61+
github.com/google/gopacket v1.1.19 h1:ves8RnFZPGiFnTS0uPQStjwru6uO6h+nlr9j6fL7kF8=
62+
github.com/google/gopacket v1.1.19/go.mod h1:iJ8V8n6KS+z2U1A8pUwu8bW5SyEMkXJB8Yo/Vo+TKTo=
5763
github.com/hashicorp/consul/api v1.31.0 h1:32BUNLembeSRek0G/ZAM6WNfdEwYdYo8oQ4+JoqGkNQ=
5864
github.com/hashicorp/consul/api v1.31.0/go.mod h1:2ZGIiXM3A610NmDULmCHd/aqBJj8CkMfOhswhOafxRg=
5965
github.com/hashicorp/consul/sdk v0.16.1 h1:V8TxTnImoPD5cj0U9Spl0TUxcytjcbbJeADFF07KdHg=
@@ -121,13 +127,17 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
121127
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
122128
github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0VQdvPDY=
123129
github.com/magiconair/properties v1.8.7/go.mod h1:Dhd985XPs7jluiymwWYZ0G4Z61jb3vdS329zhj2hYo0=
130+
github.com/magiconair/properties v1.8.9 h1:nWcCbLq1N2v/cpNsy5WvQ37Fb+YElfq20WJ/a8RkpQM=
131+
github.com/magiconair/properties v1.8.9/go.mod h1:Dhd985XPs7jluiymwWYZ0G4Z61jb3vdS329zhj2hYo0=
124132
github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
125133
github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
126134
github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
127135
github.com/mattn/go-colorable v0.1.9/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
128136
github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
129137
github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
130138
github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
139+
github.com/mattn/go-colorable v0.1.14 h1:9A9LHSqF/7dyVVX6g0U9cwm9pG3kP9gSzcuIPHPsaIE=
140+
github.com/mattn/go-colorable v0.1.14/go.mod h1:6LmQG8QLFO4G5z1gPvYEzlUgJ2wF+stgPZH1UqBm1s8=
131141
github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
132142
github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
133143
github.com/mattn/go-isatty v0.0.11/go.mod h1:PhnuNfih5lzO57/f3n+odYbM4JtupLOxQOAqxQCu2WE=
@@ -193,6 +203,8 @@ github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/f
193203
github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
194204
github.com/sagikazarmark/locafero v0.6.0 h1:ON7AQg37yzcRPU69mt7gwhFEBwxI6P9T4Qu3N51bwOk=
195205
github.com/sagikazarmark/locafero v0.6.0/go.mod h1:77OmuIc6VTraTXKXIs/uvUxKGUXjE1GbemJYHqdNjX0=
206+
github.com/sagikazarmark/locafero v0.7.0 h1:5MqpDsTGNDhY8sGp0Aowyf0qKsPrhewaLSsFaodPcyo=
207+
github.com/sagikazarmark/locafero v0.7.0/go.mod h1:2za3Cg5rMaTMoG/2Ulr9AwtFaIppKXTRYnozin4aB5k=
196208
github.com/sagikazarmark/slog-shim v0.1.0 h1:diDBnUNK9N/354PgrxMywXnAwEr1QZcOr6gto+ugjYE=
197209
github.com/sagikazarmark/slog-shim v0.1.0/go.mod h1:SrcSrq8aKtyuqEI1uvTDTK1arOWRIczQRv+GVI1AkeQ=
198210
github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 h1:nn5Wsu0esKSJiIVhscUtVbo7ada43DJhG55ua/hjS5I=
@@ -203,8 +215,12 @@ github.com/sourcegraph/conc v0.3.0 h1:OQTbbt6P72L20UqAkXXuLOj79LfEanQ+YQFNpLA9yS
203215
github.com/sourcegraph/conc v0.3.0/go.mod h1:Sdozi7LEKbFPqYX2/J+iBAM6HpqSLTASQIKqDmF7Mt0=
204216
github.com/spf13/afero v1.11.0 h1:WJQKhtpdm3v2IzqG8VMqrr6Rf3UYpEF239Jy9wNepM8=
205217
github.com/spf13/afero v1.11.0/go.mod h1:GH9Y3pIexgf1MTIWtNGyogA5MwRIDXGUr+hbWNoBjkY=
218+
github.com/spf13/afero v1.12.0 h1:UcOPyRBYczmFn6yvphxkn9ZEOY65cpwGKb5mL36mrqs=
219+
github.com/spf13/afero v1.12.0/go.mod h1:ZTlWwG4/ahT8W7T0WQ5uYmjI9duaLQGy3Q2OAl4sk/4=
206220
github.com/spf13/cast v1.7.0 h1:ntdiHjuueXFgm5nzDRdOS4yfT43P5Fnud6DH50rz/7w=
207221
github.com/spf13/cast v1.7.0/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
222+
github.com/spf13/cast v1.7.1 h1:cuNEagBQEHWN1FnbGEjCXL2szYEXqfJPbP2HNUaca9Y=
223+
github.com/spf13/cast v1.7.1/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
208224
github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
209225
github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
210226
github.com/spf13/viper v1.19.0 h1:RWq5SEjt8o25SROyN3z2OrDB9l7RPd3lwTWU8EcEdcI=
@@ -243,6 +259,8 @@ golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8U
243259
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
244260
golang.org/x/exp v0.0.0-20240823005443-9b4947da3948 h1:kx6Ds3MlpiUHKj7syVnbp57++8WpuKPcR5yjLBjvLEA=
245261
golang.org/x/exp v0.0.0-20240823005443-9b4947da3948/go.mod h1:akd2r19cwCdwSwWeIdzYQGa/EZZyqcOdwWiwj5L5eKQ=
262+
golang.org/x/exp v0.0.0-20250106191152-7588d65b2ba8 h1:yqrTHse8TCMW1M1ZCP+VAR/l0kKxwaAIqN/il7x4voA=
263+
golang.org/x/exp v0.0.0-20250106191152-7588d65b2ba8/go.mod h1:tujkw807nyEEAamNbDrEGzRav+ilXA7PCRAd6xsmwiU=
246264
golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
247265
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
248266
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -258,6 +276,8 @@ golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v
258276
golang.org/x/net v0.0.0-20210410081132-afb366fc7cd1/go.mod h1:9tjilg8BloeKEkVJvy7fQ90B1CfIiPueXVOjqfkSzI8=
259277
golang.org/x/net v0.28.0 h1:a9JDOJc5GMUJ0+UDqmLT86WiEy7iWyIhz8gz8E4e5hE=
260278
golang.org/x/net v0.28.0/go.mod h1:yqtgsTWOOnlGLG9GFRrK3++bGOUEkNBoHZc8MEDWPNg=
279+
golang.org/x/net v0.34.0 h1:Mb7Mrk043xzHgnRM88suvJFwzVrRfHEHJEl5/71CKw0=
280+
golang.org/x/net v0.34.0/go.mod h1:di0qlW3YNM5oh6GqDGQr92MyTozJPmybPK4Ev/Gm31k=
261281
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
262282
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
263283
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -266,6 +286,8 @@ golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJ
266286
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
267287
golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
268288
golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
289+
golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
290+
golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
269291
golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
270292
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
271293
golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -299,6 +321,8 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
299321
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
300322
golang.org/x/text v0.17.0 h1:XtiM5bkSOt+ewxlOE/aE/AKEHibwj/6gvWMl9Rsh0Qc=
301323
golang.org/x/text v0.17.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
324+
golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
325+
golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
302326
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
303327
golang.org/x/tools v0.0.0-20190907020128-2ca718005c18/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
304328
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -310,12 +334,20 @@ golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8T
310334
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
311335
google.golang.org/genproto/googleapis/api v0.0.0-20240823204242-4ba0660f739c h1:e0zB268kOca6FbuJkYUGxfwG4DKFZG/8DLyv9Zv66cE=
312336
google.golang.org/genproto/googleapis/api v0.0.0-20240823204242-4ba0660f739c/go.mod h1:fO8wJzT2zbQbAjbIoos1285VfEIYKDDY+Dt+WpTkh6g=
337+
google.golang.org/genproto/googleapis/api v0.0.0-20250106144421-5f5ef82da422 h1:GVIKPyP/kLIyVOgOnTwFOrvQaQUzOzGMCxgFUOEmm24=
338+
google.golang.org/genproto/googleapis/api v0.0.0-20250106144421-5f5ef82da422/go.mod h1:b6h1vNKhxaSoEI+5jc3PJUCustfli/mRab7295pY7rw=
313339
google.golang.org/genproto/googleapis/rpc v0.0.0-20240823204242-4ba0660f739c h1:Kqjm4WpoWvwhMPcrAczoTyMySQmYa9Wy2iL6Con4zn8=
314340
google.golang.org/genproto/googleapis/rpc v0.0.0-20240823204242-4ba0660f739c/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
341+
google.golang.org/genproto/googleapis/rpc v0.0.0-20250106144421-5f5ef82da422 h1:3UsHvIr4Wc2aW4brOaSCmcxh9ksica6fHEr8P1XhkYw=
342+
google.golang.org/genproto/googleapis/rpc v0.0.0-20250106144421-5f5ef82da422/go.mod h1:3ENsm/5D1mzDyhpzeRi1NR784I0BcofWBoSc5QqqMK4=
315343
google.golang.org/grpc v1.65.0 h1:bs/cUb4lp1G5iImFFd3u5ixQzweKizoZJAwBNLR42lc=
316344
google.golang.org/grpc v1.65.0/go.mod h1:WgYC2ypjlB0EiQi6wdKixMqukr6lBc0Vo+oOgjrM5ZQ=
345+
google.golang.org/grpc v1.69.4 h1:MF5TftSMkd8GLw/m0KM6V8CMOCY6NZ1NQDPGFgbTt4A=
346+
google.golang.org/grpc v1.69.4/go.mod h1:vyjdE6jLBI76dgpDojsFGNaHlxdjXN9ghpnd2o7JGZ4=
317347
google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
318348
google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
349+
google.golang.org/protobuf v1.36.2 h1:R8FeyR1/eLmkutZOM5CWghmo5itiG9z0ktFlTVLuTmU=
350+
google.golang.org/protobuf v1.36.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
319351
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
320352
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
321353
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

‎ipmanager/basicConfigurer.go‎

Lines changed: 49 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -5,7 +5,9 @@ import (
55
"net"
66
"strings"
77

8-
arp "github.com/mdlayher/arp"
8+
"github.com/google/gopacket"
9+
"github.com/google/gopacket/layers"
10+
"github.com/google/gopacket/pcap"
911
)
1012

1113
// BasicConfigurer can be used to enable vip-management on nodes
@@ -16,7 +18,6 @@ import (
1618
// nearby routers and other devices.
1719
type BasicConfigurer struct {
1820
*IPConfiguration
19-
arpClient *arp.Client
2021
ntecontext uint32 //used by Windows to delete IP address
2122
}
2223

@@ -48,8 +49,51 @@ func (c *BasicConfigurer) queryAddress() bool {
4849
return false
4950
}
5051

51-
func (c *BasicConfigurer) cleanupArp() {
52-
if c.arpClient != nil {
53-
c.arpClient.Close()
52+
const (
53+
MACAddressSize = 6
54+
IPv4AddressSize = 4
55+
)
56+
57+
// arpSendGratuitous is a function that sends gratuitous ARP requests
58+
func (c *BasicConfigurer) arpSendGratuitous() error {
59+
// Open the network interface for sending
60+
handle, err := pcap.OpenLive(c.Iface.Name, 65536, false, pcap.BlockForever)
61+
if err != nil {
62+
return err
63+
}
64+
defer handle.Close()
65+
66+
// Create the Ethernet layer
67+
ethLayer := &layers.Ethernet{
68+
SrcMAC: c.Iface.HardwareAddr,
69+
DstMAC: net.HardwareAddr{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, // Broadcast
70+
EthernetType: layers.EthernetTypeARP,
71+
}
72+
73+
// Create the ARP layer
74+
arpLayer := &layers.ARP{
75+
AddrType: layers.LinkTypeEthernet,
76+
Protocol: layers.EthernetTypeIPv4,
77+
HwAddressSize: MACAddressSize,
78+
ProtAddressSize: IPv4AddressSize,
79+
Operation: layers.ARPReply, // Gratuitous ARP is sent as a reply
80+
SourceHwAddress: c.Iface.HardwareAddr,
81+
SourceProtAddress: c.IPConfiguration.VIP.AsSlice(),
82+
DstHwAddress: c.Iface.HardwareAddr, // Gratuitous ARP targets itself
83+
DstProtAddress: c.IPConfiguration.VIP.AsSlice(),
84+
}
85+
86+
// Create a packet with the layers
87+
buffer := gopacket.NewSerializeBuffer()
88+
opts := gopacket.SerializeOptions{
89+
FixLengths: true,
90+
ComputeChecksums: true,
5491
}
92+
err = gopacket.SerializeLayers(buffer, opts, ethLayer, arpLayer)
93+
if err != nil {
94+
return err
95+
}
96+
97+
// Send the packet
98+
return handle.WritePacketData(buffer.Bytes())
5599
}

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