From dd5ab776da7a8f49d36840bea1b252f695745310 Mon Sep 17 00:00:00 2001 From: "renovate[bot]" <29139614+renovate[bot]@users.noreply.github.com> Date: Wed, 13 Nov 2024 19:55:14 +0000 Subject: [PATCH] fix(deps): update k8s.io/utils digest to 6fe5fd8 --- go.mod | 17 ++- go.sum | 29 ++-- vendor/k8s.io/utils/net/multi_listen.go | 195 ++++++++++++++++++++++++ vendor/modules.txt | 2 +- 4 files changed, 216 insertions(+), 27 deletions(-) create mode 100644 vendor/k8s.io/utils/net/multi_listen.go diff --git a/go.mod b/go.mod index c304d3b31..98ec38b56 100644 --- a/go.mod +++ b/go.mod @@ -10,7 +10,12 @@ require ( github.com/stretchr/testify v1.9.0 go4.org/netipx v0.0.0-20231129151722-fdeea329fbba gopkg.in/yaml.v3 v3.0.1 - k8s.io/utils v0.0.0-20240502163921-fe8a2dddb1d0 + k8s.io/utils v0.0.0-20241104163129-6fe5fd82f078 +) + +require ( + github.com/corpix/uarand v0.1.1 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.25.0 // indirect ) require ( @@ -35,7 +40,7 @@ require ( github.com/docker/go-connections v0.5.0 github.com/docker/go-metrics v0.0.1 // indirect github.com/docker/go-units v0.5.0 - github.com/felixge/httpsnoop v1.0.3 // indirect + github.com/felixge/httpsnoop v1.0.4 // indirect github.com/fsnotify/fsnotify v1.7.0 // indirect github.com/fvbommel/sortorder v1.1.0 // indirect github.com/go-logr/logr v1.4.2 // indirect @@ -75,7 +80,7 @@ require ( github.com/pkg/errors v0.9.1 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect github.com/prometheus/client_golang v1.14.0 // indirect - github.com/prometheus/client_model v0.3.0 // indirect + github.com/prometheus/client_model v0.5.0 // indirect github.com/prometheus/common v0.39.0 // indirect github.com/prometheus/procfs v0.9.0 // indirect github.com/sagikazarmark/locafero v0.4.0 // indirect @@ -92,10 +97,10 @@ require ( github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect github.com/xeipuuv/gojsonschema v1.2.0 - go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.45.0 // indirect + go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.50.0 // indirect go.opentelemetry.io/otel v1.28.0 // indirect go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.28.0 // indirect - go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.19.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.25.0 // indirect go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.19.0 // indirect go.opentelemetry.io/otel/metric v1.28.0 // indirect go.opentelemetry.io/otel/sdk v1.28.0 // indirect @@ -121,7 +126,7 @@ require ( gopkg.in/ini.v1 v1.67.0 // indirect gopkg.in/yaml.v2 v2.4.0 gotest.tools v2.2.0+incompatible - gotest.tools/v3 v3.4.0 // indirect + gotest.tools/v3 v3.5.0 // indirect k8s.io/apimachinery v0.30.2 // indirect k8s.io/client-go v0.30.2 k8s.io/klog/v2 v2.120.1 // indirect diff --git a/go.sum b/go.sum index 728782a48..192a12e8f 100644 --- a/go.sum +++ b/go.sum @@ -39,8 +39,7 @@ github.com/containerd/log v0.1.0 h1:TCJt7ioM2cr/tfR8GPbGf9/VRAX8D2B4PjzCpfX540I= github.com/containerd/log v0.1.0/go.mod h1:VRRf09a7mHDIRezVKTRCrOq78v577GXq3bSa3EhrzVo= github.com/containerd/stargz-snapshotter/estargz v0.14.3 h1:OqlDCK3ZVUO6C3B/5FSkDwbkEETK84kQgEeFwDC+62k= github.com/containerd/stargz-snapshotter/estargz v0.14.3/go.mod h1:KY//uOCIkSuNAHhJogcZtrNHdKrA99/FCCRjE3HD36o= -github.com/corpix/uarand v0.0.0-20170723150923-031be390f409 h1:9A+mfQmwzZ6KwUXPc8nHxFtKgn9VIvO3gXAOspIcE3s= -github.com/corpix/uarand v0.0.0-20170723150923-031be390f409/go.mod h1:JSm890tOkDN+M1jqN8pUGDKnzJrsVbJwSMHBY4zwz7M= +github.com/corpix/uarand v0.1.1 h1:RMr1TWc9F4n5jiPDzFHtmaUXLKLNUFK0SgCLo4BhX/U= github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o= github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o= github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= @@ -80,8 +79,7 @@ github.com/dvsekhvalnov/jose2go v0.0.0-20170216131308-f21a8cedbbae/go.mod h1:7Bv github.com/emicklei/go-restful/v3 v3.11.0 h1:rAQeMHw1c7zTmncogyy8VvRZwtkmkZ4FxERmMY4rD+g= github.com/emicklei/go-restful/v3 v3.11.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc= github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5/go.mod h1:a2zkGnVExMxdzMo3M0Hi/3sEU+cWnZpSni0O6/Yb/P0= -github.com/felixge/httpsnoop v1.0.3 h1:s/nj+GCswXYzN5v2DpNMuMQYe+0DDwt5WVCU6CWBdXk= -github.com/felixge/httpsnoop v1.0.3/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U= +github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg= github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8= github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0= github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= @@ -117,7 +115,6 @@ github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5y github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw= -github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk= github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek= github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps= github.com/goodhosts/hostsfile v0.1.6 h1:aK6DxpNV6pZ1NbdvNE2vYBMTnvIJF5O2J/8ZOlp2eMY= @@ -127,7 +124,6 @@ github.com/google/certificate-transparency-go v1.0.10-0.20180222191210-5ab67e519 github.com/google/gnostic-models v0.6.8 h1:yo/ABAfM5IMRsS1VnXjTBvUb61tFIHozhlYvRgGre9I= github.com/google/gnostic-models v0.6.8/go.mod h1:5n7qKqH0f5wFt+aWF8CW6pZLLNOfYuF5OpfBSENuI8U= github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= -github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= @@ -261,8 +257,7 @@ github.com/prometheus/client_golang v1.14.0/go.mod h1:8vpkKitgIVNcqrRBWh1C4TIUQg github.com/prometheus/client_model v0.0.0-20171117100541-99fa1f4be8e5/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo= github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo= github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= -github.com/prometheus/client_model v0.3.0 h1:UBgGFHqYdG/TPFD1B1ogZywDqEkwp3fBMvqdiQ7Xew4= -github.com/prometheus/client_model v0.3.0/go.mod h1:LDGWKZIo7rky3hgvBe+caln+Dr3dPggB5dvjtD7w9+w= +github.com/prometheus/client_model v0.5.0 h1:VQw1hfvPvk3Uv6Qf29VrPF32JB6rtbgI6cYPYQjL0Qw= github.com/prometheus/common v0.0.0-20180110214958-89604d197083/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro= github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4= github.com/prometheus/common v0.6.0/go.mod h1:eBmuwkDJBwy6iBfxCBob6t6dR6ENT/y+J+Zk0j9GMYc= @@ -340,18 +335,15 @@ github.com/xeipuuv/gojsonschema v1.2.0 h1:LhYJRs+L4fBtjZUfuSZIKGeVu0QRy8e5Xi7D17 github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y= github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= -go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.45.0 h1:x8Z78aZx8cOF0+Kkazoc7lwUNMGy0LrzEMxTm4BbTxg= -go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.45.0/go.mod h1:62CPTSry9QZtOaSsE3tOzhx6LzDhHnXJ6xHeMNNiM6Q= +go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.50.0 h1:cEPbyTSEHlQR89XVlyo78gqluF8Y3oMeBkXGWzQsfXY= go.opentelemetry.io/otel v1.28.0 h1:/SqNcYk+idO0CxKEUOtKQClMK/MimZihKYMruSMViUo= go.opentelemetry.io/otel v1.28.0/go.mod h1:q68ijF8Fc8CnMHKyzqL6akLO46ePnjkgfIMIjUIX9z4= go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.28.0 h1:U2guen0GhqH8o/G2un8f/aG/y++OuW6MyCo6hT9prXk= go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.28.0/go.mod h1:yeGZANgEcpdx/WK0IvvRFC+2oLiMS2u4L/0Rj2M2Qr0= -go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.19.0 h1:Mne5On7VWdx7omSrSSZvM4Kw7cS7NQkOOmLcgscI51U= -go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.19.0/go.mod h1:IPtUMKL4O3tH5y+iXVyAXqpAwMuzC1IrxVS81rummfE= +go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.25.0 h1:dT33yIHtmsqpixFsSQPwNeY5drM9wTcoL8h0FWF4oGM= go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.19.0 h1:3d+S281UTjM+AbF31XSOYn1qXn3BgIdWl8HNEpx08Jk= go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.19.0/go.mod h1:0+KuTDyKL4gjKCF75pHOX4wuzYDUZYfAQdSu43o+Z2I= -go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.19.0 h1:IeMeyr1aBvBiPVYihXIaeIZba6b8E1bYp7lbdxK8CQg= -go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.19.0/go.mod h1:oVdCUtjq9MK9BlS7TtucsQwUcXcymNiEDjgDD2jMtZU= +go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.25.0 h1:Mbi5PKN7u322woPa85d7ebZ+SOvEoPvoiBu+ryHWgfA= go.opentelemetry.io/otel/metric v1.28.0 h1:f0HGvSl1KRAU1DLgLGFjrwVyismPlnuU6JD6bOeuA5Q= go.opentelemetry.io/otel/metric v1.28.0/go.mod h1:Fb1eVBFZmLVTMb6PPohq3TO9IIhUisDsbJoL/+uQW4s= go.opentelemetry.io/otel/sdk v1.28.0 h1:b9d7hIry8yZsgtbmM0DKyPWMMUMlK9NEKuIG4aBqWyE= @@ -411,7 +403,6 @@ golang.org/x/sys v0.0.0-20190801041406-cbf593c0f2f3/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220906165534-d0df966e6959/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= @@ -430,7 +421,6 @@ golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGm golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA= -golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= @@ -472,8 +462,7 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gotest.tools v2.2.0+incompatible h1:VsBPFP1AI068pPrMxtb/S8Zkgf9xEmTLJjfM+P5UIEo= gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw= -gotest.tools/v3 v3.4.0 h1:ZazjZUfuVeZGLAmlKKuyv3IKP5orXcwtOwDQH6YVr6o= -gotest.tools/v3 v3.4.0/go.mod h1:CtbdzLSsqVhDgMtKsx03ird5YTGB3ar27v0u/yKBW5g= +gotest.tools/v3 v3.5.0 h1:Ljk6PdHdOhAb5aDMWXjDLMMhph+BpztA4v1QdqEW2eY= k8s.io/api v0.30.2 h1:+ZhRj+28QT4UOH+BKznu4CBgPWgkXO7XAvMcMl0qKvI= k8s.io/api v0.30.2/go.mod h1:ULg5g9JvOev2dG0u2hig4Z7tQ2hHIuS+m8MNZ+X6EmI= k8s.io/apimachinery v0.30.2 h1:fEMcnBj6qkzzPGSVsAZtQThU62SmQ4ZymlXRC5yFSCg= @@ -484,8 +473,8 @@ k8s.io/klog/v2 v2.120.1 h1:QXU6cPEOIslTGvZaXvFWiP9VKyeet3sawzTOvdXb4Vw= k8s.io/klog/v2 v2.120.1/go.mod h1:3Jpz1GvMt720eyJH1ckRHK1EDfpxISzJ7I9OYgaDtPE= k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 h1:BZqlfIlq5YbRMFko6/PM7FjZpUb45WallggurYhKGag= k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340/go.mod h1:yD4MZYeKMBwQKVht279WycxKyM84kkAx2DPrTXaeb98= -k8s.io/utils v0.0.0-20240502163921-fe8a2dddb1d0 h1:jgGTlFYnhF1PM1Ax/lAlxUPE+KfCIXHaathvJg1C3ak= -k8s.io/utils v0.0.0-20240502163921-fe8a2dddb1d0/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0= +k8s.io/utils v0.0.0-20241104163129-6fe5fd82f078 h1:jGnCPejIetjiy2gqaJ5V0NLwTpF4wbQ6cZIItJCSHno= +k8s.io/utils v0.0.0-20241104163129-6fe5fd82f078/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0= sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo= sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0= sigs.k8s.io/structured-merge-diff/v4 v4.4.1 h1:150L+0vs/8DA78h1u02ooW1/fFq/Lwr+sGiqlzvrtq4= diff --git a/vendor/k8s.io/utils/net/multi_listen.go b/vendor/k8s.io/utils/net/multi_listen.go new file mode 100644 index 000000000..7cb7795be --- /dev/null +++ b/vendor/k8s.io/utils/net/multi_listen.go @@ -0,0 +1,195 @@ +/* +Copyright 2024 The Kubernetes Authors. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package net + +import ( + "context" + "fmt" + "net" + "sync" +) + +// connErrPair pairs conn and error which is returned by accept on sub-listeners. +type connErrPair struct { + conn net.Conn + err error +} + +// multiListener implements net.Listener +type multiListener struct { + listeners []net.Listener + wg sync.WaitGroup + + // connCh passes accepted connections, from child listeners to parent. + connCh chan connErrPair + // stopCh communicates from parent to child listeners. + stopCh chan struct{} +} + +// compile time check to ensure *multiListener implements net.Listener +var _ net.Listener = &multiListener{} + +// MultiListen returns net.Listener which can listen on and accept connections for +// the given network on multiple addresses. Internally it uses stdlib to create +// sub-listener and multiplexes connection requests using go-routines. +// The network must be "tcp", "tcp4" or "tcp6". +// It follows the semantics of net.Listen that primarily means: +// 1. If the host is an unspecified/zero IP address with "tcp" network, MultiListen +// listens on all available unicast and anycast IP addresses of the local system. +// 2. Use "tcp4" or "tcp6" to exclusively listen on IPv4 or IPv6 family, respectively. +// 3. The host can accept names (e.g, localhost) and it will create a listener for at +// most one of the host's IP. +func MultiListen(ctx context.Context, network string, addrs ...string) (net.Listener, error) { + var lc net.ListenConfig + return multiListen( + ctx, + network, + addrs, + func(ctx context.Context, network, address string) (net.Listener, error) { + return lc.Listen(ctx, network, address) + }) +} + +// multiListen implements MultiListen by consuming stdlib functions as dependency allowing +// mocking for unit-testing. +func multiListen( + ctx context.Context, + network string, + addrs []string, + listenFunc func(ctx context.Context, network, address string) (net.Listener, error), +) (net.Listener, error) { + if !(network == "tcp" || network == "tcp4" || network == "tcp6") { + return nil, fmt.Errorf("network %q not supported", network) + } + if len(addrs) == 0 { + return nil, fmt.Errorf("no address provided to listen on") + } + + ml := &multiListener{ + connCh: make(chan connErrPair), + stopCh: make(chan struct{}), + } + for _, addr := range addrs { + l, err := listenFunc(ctx, network, addr) + if err != nil { + // close all the sub-listeners and exit + _ = ml.Close() + return nil, err + } + ml.listeners = append(ml.listeners, l) + } + + for _, l := range ml.listeners { + ml.wg.Add(1) + go func(l net.Listener) { + defer ml.wg.Done() + for { + // Accept() is blocking, unless ml.Close() is called, in which + // case it will return immediately with an error. + conn, err := l.Accept() + // This assumes that ANY error from Accept() will terminate the + // sub-listener. We could maybe be more precise, but it + // doesn't seem necessary. + terminate := err != nil + + select { + case ml.connCh <- connErrPair{conn: conn, err: err}: + case <-ml.stopCh: + // In case we accepted a connection AND were stopped, and + // this select-case was chosen, just throw away the + // connection. This avoids potentially blocking on connCh + // or leaking a connection. + if conn != nil { + _ = conn.Close() + } + terminate = true + } + // Make sure we don't loop on Accept() returning an error and + // the select choosing the channel case. + if terminate { + return + } + } + }(l) + } + return ml, nil +} + +// Accept implements net.Listener. It waits for and returns a connection from +// any of the sub-listener. +func (ml *multiListener) Accept() (net.Conn, error) { + // wait for any sub-listener to enqueue an accepted connection + connErr, ok := <-ml.connCh + if !ok { + // The channel will be closed only when Close() is called on the + // multiListener. Closing of this channel implies that all + // sub-listeners are also closed, which causes a "use of closed + // network connection" error on their Accept() calls. We return the + // same error for multiListener.Accept() if multiListener.Close() + // has already been called. + return nil, fmt.Errorf("use of closed network connection") + } + return connErr.conn, connErr.err +} + +// Close implements net.Listener. It will close all sub-listeners and wait for +// the go-routines to exit. +func (ml *multiListener) Close() error { + // Make sure this can be called repeatedly without explosions. + select { + case <-ml.stopCh: + return fmt.Errorf("use of closed network connection") + default: + } + + // Tell all sub-listeners to stop. + close(ml.stopCh) + + // Closing the listeners causes Accept() to immediately return an error in + // the sub-listener go-routines. + for _, l := range ml.listeners { + _ = l.Close() + } + + // Wait for all the sub-listener go-routines to exit. + ml.wg.Wait() + close(ml.connCh) + + // Drain any already-queued connections. + for connErr := range ml.connCh { + if connErr.conn != nil { + _ = connErr.conn.Close() + } + } + return nil +} + +// Addr is an implementation of the net.Listener interface. It always returns +// the address of the first listener. Callers should use conn.LocalAddr() to +// obtain the actual local address of the sub-listener. +func (ml *multiListener) Addr() net.Addr { + return ml.listeners[0].Addr() +} + +// Addrs is like Addr, but returns the address for all registered listeners. +func (ml *multiListener) Addrs() []net.Addr { + var ret []net.Addr + for _, l := range ml.listeners { + ret = append(ret, l.Addr()) + } + return ret +} diff --git a/vendor/modules.txt b/vendor/modules.txt index 75ea0fe88..adc971b97 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -885,7 +885,7 @@ k8s.io/klog/v2/internal/severity k8s.io/klog/v2/internal/sloghandler # k8s.io/utils v0.0.0-20220728103510-ee6ede2d64ed ## explicit; go 1.18 -# k8s.io/utils v0.0.0-20240502163921-fe8a2dddb1d0 +# k8s.io/utils v0.0.0-20241104163129-6fe5fd82f078 ## explicit; go 1.18 k8s.io/utils/clock k8s.io/utils/clock/testing