Tidak dapat melaksanakan shell pada pod K8S
editor php Banana mendapati bahawa sesetengah pengguna tidak dapat melaksanakan arahan shell pada pod Kubernetes (K8S). Masalah ini mungkin menghalang pengguna daripada menyahpepijat dan menyelesaikan masalah, yang merupakan masalah besar untuk pembangunan dan operasi dan kakitangan penyelenggaraan. Dalam artikel ini, kami akan memperkenalkan kemungkinan punca dan penyelesaian kepada masalah ini untuk membantu pengguna berjaya melaksanakan arahan shell dan meningkatkan kecekapan kerja.
Kandungan soalan
Gunakan penternak-2.6.6 untuk memasang k8s (v1.23.7+rke2r2).
Saya tidak boleh melaksanakan shell pada mana-mana bekas dalam k8s(v1.23.7+rke2r2).
Lognya agak panjang, saya tidak tahu sama ada ia akan membantu.
Saya baru pergi, saya mengambil masa beberapa jam dan saya tidak tahu bagaimana untuk menyelesaikannya. Sebarang bantuan akan sangat gembira.
[root@123 ~]# /var/lib/rancher/rke2/bin/kubectl --kubeconfig rke2.yaml -n minio --v=9 exec --stdin --tty console-656df75d45-bdb4m -- /bin/bash I1117 17:59:25.557423 1522170 loader.go:372] Config loaded from file: rke2.yaml I1117 17:59:25.814339 1522170 round_trippers.go:466] curl -v -XGET -H "Accept: application/json, */*" -H "User-Agent: kubectl/v1.23.7+rke2r2 (linux/amd64) kubernetes/42c05a5" 'https://127.0.0.1:6443/api/v1/namespaces/minio/pods/console-656df75d45-bdb4m' I1117 17:59:25.814906 1522170 round_trippers.go:510] HTTP Trace: Dial to tcp:127.0.0.1:6443 succeed I1117 17:59:25.824624 1522170 round_trippers.go:570] HTTP Statistics: DNSLookup 0 ms Dial 0 ms TLSHandshake 3 ms ServerProcessing 5 ms Duration 10 ms I1117 17:59:25.824713 1522170 round_trippers.go:577] Response Headers: I1117 17:59:25.824735 1522170 round_trippers.go:580] Date: Thu, 17 Nov 2022 09:59:25 GMT I1117 17:59:25.824808 1522170 round_trippers.go:580] Audit-Id: 06174be1-bd2f-4500-a59b-58bf68ff79f9 I1117 17:59:25.824832 1522170 round_trippers.go:580] Cache-Control: no-cache, private I1117 17:59:25.824884 1522170 round_trippers.go:580] Content-Type: application/json I1117 17:59:25.824909 1522170 round_trippers.go:580] X-Kubernetes-Pf-Flowschema-Uid: fb6d6698-bf27-4014-9f5c-9d7405a8ecc9 I1117 17:59:25.824927 1522170 round_trippers.go:580] X-Kubernetes-Pf-Prioritylevel-Uid: 95a48fbf-d3d7-44a2-aa35-f6b4ccc22845 I1117 17:59:25.825269 1522170 request.go:1181] Response Body: {"kind":"Pod","apiVersion":"v1","metadata":{"name":"console-656df75d45-bdb4m","generateName":"console-656df75d45-","namespace":"minio","uid":"aa46973d-debc-419d-8d52-338bba5e121f","resourceVersion":"61701433","creationTimestamp":"2022-11-17T06:07:05Z","labels":{"app.kubernetes.io/instance":"minio-operator-console","app.kubernetes.io/name":"operator","pod-template-hash":"656df75d45"},"annotations":{"cni.projectcalico.org/containerID":"6b52546c61cebbc4450c21e7bedaa1198aa176ee708cfa416dd570717e89d14d","cni.projectcalico.org/podIP":"10.42.48.137/32","cni.projectcalico.org/podIPs":"10.42.48.137/32","kubernetes.io/psp":"global-unrestricted-psp"},"ownerReferences":[{"apiVersion":"apps/v1","kind":"ReplicaSet","name":"console-656df75d45","uid":"5954db5d-1892-41af-82c9-8aad46116e48","controller":true,"blockOwnerDeletion":true}],"managedFields":[{"manager":"Go-http-client","operation":"Update","apiVersion":"v1","time":"2022-11-17T06:07:05Z","fieldsType":"FieldsV1","fieldsV1":{"f:metadata":{"f:annotations":{"f:cni.projectcalico.org/containerID":{},"f:cni.projectcalico.org/podIP":{},"f:cni.projectcalico.org/podIPs":{}}}},"subresource":"status"},{"manager":"kube-controller-manager","operation":"Update","apiVersion":"v1","time":"2022-11-17T06:07:05Z","fieldsType":"FieldsV1","fieldsV1":{"f:metadata":{"f:generateName":{},"f:labels":{".":{},"f:app.kubernetes.io/instance":{},"f:app.kubernetes.io/name":{},"f:pod-template-hash":{}},"f:ownerReferences":{".":{},"k:{\"uid\":\"5954db5d-1892-41af-82c9-8aad46116e48\"}":{}}},"f:spec":{"f:containers":{"k:{\"name\":\"operator\"}":{".":{},"f:args":{},"f:env":{".":{},"k:{\"name\":\"CONSOLE_OPERATOR_MODE\"}":{".":{},"f:name":{},"f:value":{}}},"f:image":{},"f:imagePullPolicy":{},"f:name":{},"f:ports":{".":{},"k:{\"containerPort\":9090,\"protocol\":\"TCP\"}":{".":{},"f:containerPort":{},"f:name":{},"f:protocol":{}},"k:{\"containerPort\":9443,\"protocol\":\"TCP\"}":{".":{},"f:containerPort":{},"f:name":{},"f:protocol":{}}},"f:resources":{},"f:terminationMessagePath":{},"f:terminationMessagePolicy":{}}},"f:dnsPolicy":{},"f:enableServiceLinks":{},"f:restartPolicy":{},"f:schedulerName":{},"f:securityContext":{".":{},"f:runAsNonRoot":{},"f:runAsUser":{}},"f:serviceAccount":{},"f:serviceAccountName":{},"f:terminationGracePeriodSeconds":{}}}},{"manager":"kubelet","operation":"Update","apiVersion":"v1","time":"2022-11-17T06:07:14Z","fieldsType":"FieldsV1","fieldsV1":{"f:status":{"f:conditions":{"k:{\"type\":\"ContainersReady\"}":{".":{},"f:lastProbeTime":{},"f:lastTransitionTime":{},"f:status":{},"f:type":{}},"k:{\"type\":\"Initialized\"}":{".":{},"f:lastProbeTime":{},"f:lastTransitionTime":{},"f:status":{},"f:type":{}},"k:{\"type\":\"Ready\"}":{".":{},"f:lastProbeTime":{},"f:lastTransitionTime":{},"f:status":{},"f:type":{}}},"f:containerStatuses":{},"f:hostIP":{},"f:phase":{},"f:podIP":{},"f:podIPs":{".":{},"k:{\"ip\":\"10.42.48.137\"}":{".":{},"f:ip":{}}},"f:startTime":{}}},"subresource":"status"}]},"spec":{"volumes":[{"name":"kube-api-access-qb55d","projected":{"sources":[{"serviceAccountToken":{"expirationSeconds":3607,"path":"token"}},{"configMap":{"name":"kube-root-ca.crt","items":[{"key":"ca.crt","path":"ca.crt"}]}},{"downwardAPI":{"items":[{"path":"namespace","fieldRef":{"apiVersion":"v1","fieldPath":"metadata.namespace"}}]}}],"defaultMode":420}}],"containers":[{"name":"operator","image":"mirrorhub.swdcmg.com/minio/console:v0.21.3","args":["server"],"ports":[{"name":"http","containerPort":9090,"protocol":"TCP"},{"name":"https","containerPort":9443,"protocol":"TCP"}],"env":[{"name":"CONSOLE_OPERATOR_MODE","value":"on"}],"resources":{},"volumeMounts":[{"name":"kube-api-access-qb55d","readOnly":true,"mountPath":"/var/run/secrets/kubernetes.io/serviceaccount"}],"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File","imagePullPolicy":"IfNotPresent"}],"restartPolicy":"Always","terminationGracePeriodSeconds":30,"dnsPolicy":"ClusterFirst","serviceAccountName":"console-sa","serviceAccount":"console-sa","nodeName":"123.hdp.dc.xyz","securityContext":{"runAsUser":1000,"runAsNonRoot":true},"schedulerName":"default-scheduler","tolerations":[{"key":"node.kubernetes.io/not-ready","operator":"Exists","effect":"NoExecute","tolerationSeconds":300},{"key":"node.kubernetes.io/unreachable","operator":"Exists","effect":"NoExecute","tolerationSeconds":300}],"priority":0,"enableServiceLinks":true,"preemptionPolicy":"PreemptLowerPriority"},"status":{"phase":"Running","conditions":[{"type":"Initialized","status":"True","lastProbeTime":null,"lastTransitionTime":"2022-11-17T06:07:05Z"},{"type":"Ready","status":"True","lastProbeTime":null,"lastTransitionTime":"2022-11-17T06:07:14Z"},{"type":"ContainersReady","status":"True","lastProbeTime":null,"lastTransitionTime":"2022-11-17T06:07:14Z"},{"type":"PodScheduled","status":"True","lastProbeTime":null,"lastTransitionTime":"2022-11-17T06:07:05Z"}],"hostIP":"10.0.1.38","podIP":"10.42.48.137","podIPs":[{"ip":"10.42.48.137"}],"startTime":"2022-11-17T06:07:05Z","containerStatuses":[{"name":"operator","state":{"running":{"startedAt":"2022-11-17T06:07:13Z"}},"lastState":{},"ready":true,"restartCount":0,"image":"mirrorhub.swdcmg.com/minio/console:v0.21.3","imageID":"mirrorhub.swdcmg.com/minio/console@sha256:c6d591a56c1592516b9814b930f6a466395093db64032cc1232e0e97d9b330cf","containerID":"containerd://c01cdf6b493bc85d9948c8e1330743b94640cd5fa9fb01c65423fbb50ea9e420","started":true}],"qosClass":"BestEffort"}} I1117 17:59:25.830130 1522170 podcmd.go:88] Defaulting container name to operator I1117 17:59:25.830901 1522170 round_trippers.go:466] curl -v -XPOST -H "X-Stream-Protocol-Version: v4.channel.k8s.io" -H "X-Stream-Protocol-Version: v3.channel.k8s.io" -H "X-Stream-Protocol-Version: v2.channel.k8s.io" -H "X-Stream-Protocol-Version: channel.k8s.io" -H "User-Agent: kubectl/v1.23.7+rke2r2 (linux/amd64) kubernetes/42c05a5" 'https://127.0.0.1:6443/api/v1/namespaces/minio/pods/console-656df75d45-bdb4m/exec?command=%2Fbin%2Fbash&container=operator&stdin=true&stdout=true&tty=true' I1117 17:59:25.861715 1522170 round_trippers.go:570] HTTP Statistics: DNSLookup 0 ms Dial 0 ms TLSHandshake 0 ms Duration 30 ms I1117 17:59:25.861770 1522170 round_trippers.go:577] Response Headers: I1117 17:59:25.861788 1522170 round_trippers.go:580] X-Content-Type-Options: nosniff I1117 17:59:25.861802 1522170 round_trippers.go:580] Content-Length: 42 I1117 17:59:25.861815 1522170 round_trippers.go:580] Content-Type: text/plain; charset=utf-8 I1117 17:59:25.861833 1522170 round_trippers.go:580] Date: Thu, 17 Nov 2022 09:59:25 GMT I1117 17:59:25.862631 1522170 helpers.go:219] server response object: [{ "metadata": {} }] F1117 17:59:25.862770 1522170 helpers.go:118] Error from server: goroutine 1 [running]: k8s.io/klog/v2.stacks(0x1) /go/src/kubernetes/vendor/k8s.io/klog/v2/klog.go:1038 +0x8a k8s.io/klog/v2.(*loggingT).output(0x331bd40, 0x3, 0x0, 0xc0001ced90, 0x2, {0x27bb393, 0x10}, 0xc000430800, 0x0) /go/src/kubernetes/vendor/k8s.io/klog/v2/klog.go:987 +0x5fd k8s.io/klog/v2.(*loggingT).printDepth(0xc0005a4318, 0x13, 0x0, {0x0, 0x0}, 0x0, {0xc00042d2c0, 0x1, 0x1}) /go/src/kubernetes/vendor/k8s.io/klog/v2/klog.go:735 +0x1ae k8s.io/klog/v2.FatalDepth(...) /go/src/kubernetes/vendor/k8s.io/klog/v2/klog.go:1518 k8s.io/kubectl/pkg/cmd/util.fatal({0xc0005a4318, 0x13}, 0xc00049d220) /go/src/kubernetes/vendor/k8s.io/kubectl/pkg/cmd/util/helpers.go:96 +0xc5 k8s.io/kubectl/pkg/cmd/util.checkErr({0x22b7c60, 0xc00049d220}, 0x212ec10) /go/src/kubernetes/vendor/k8s.io/kubectl/pkg/cmd/util/helpers.go:191 +0x7d7 k8s.io/kubectl/pkg/cmd/util.CheckErr(...) /go/src/kubernetes/vendor/k8s.io/kubectl/pkg/cmd/util/helpers.go:118 k8s.io/kubectl/pkg/cmd/exec.NewCmdExec.func1(0xc000628c80, {0xc0009ece60, 0x2, 0xa}) /go/src/kubernetes/vendor/k8s.io/kubectl/pkg/cmd/exec/exec.go:97 +0xc5 github.com/spf13/cobra.(*Command).execute(0xc000628c80, {0xc0009ecd20, 0xa, 0xa}) /go/src/kubernetes/vendor/github.com/spf13/cobra/command.go:860 +0x5f8 github.com/spf13/cobra.(*Command).ExecuteC(0xc0007dfb80) /go/src/kubernetes/vendor/github.com/spf13/cobra/command.go:974 +0x3bc github.com/spf13/cobra.(*Command).Execute(...) /go/src/kubernetes/vendor/github.com/spf13/cobra/command.go:902 k8s.io/component-base/cli.run(0xc0007dfb80) /go/src/kubernetes/vendor/k8s.io/component-base/cli/run.go:146 +0x325 k8s.io/component-base/cli.RunNoErrOutput(...) /go/src/kubernetes/vendor/k8s.io/component-base/cli/run.go:84 main.main() cmd/kubectl/kubectl.go:30 +0x1e goroutine 6 [chan receive]: k8s.io/klog/v2.(*loggingT).flushDaemon(0x0) /go/src/kubernetes/vendor/k8s.io/klog/v2/klog.go:1181 +0x6a created by k8s.io/klog/v2.init.0 /go/src/kubernetes/vendor/k8s.io/klog/v2/klog.go:420 +0xfb goroutine 35 [select]: k8s.io/apimachinery/pkg/util/wait.BackoffUntil(0x0, {0x22b7f60, 0xc000598000}, 0x1, 0xc0000fe360) /go/src/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:167 +0x13b k8s.io/apimachinery/pkg/util/wait.JitterUntil(0x0, 0x12a05f200, 0x0, 0x0, 0x0) /go/src/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:133 +0x89 k8s.io/apimachinery/pkg/util/wait.Until(...) /go/src/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:90 k8s.io/apimachinery/pkg/util/wait.Forever(0x0, 0x0) /go/src/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:81 +0x28 created by k8s.io/component-base/logs.InitLogs /go/src/kubernetes/vendor/k8s.io/component-base/logs/logs.go:179 +0x85 goroutine 25 [IO wait]: internal/poll.runtime_pollWait(0x7f2601536858, 0x72) /usr/local/go/src/runtime/netpoll.go:303 +0x85 internal/poll.(*pollDesc).wait(0xc000151f00, 0xc000800000, 0x0) /usr/local/go/src/internal/poll/fd_poll_runtime.go:84 +0x32 internal/poll.(*pollDesc).waitRead(...) /usr/local/go/src/internal/poll/fd_poll_runtime.go:89 internal/poll.(*FD).Read(0xc000151f00, {0xc000800000, 0x2172, 0x2172}) /usr/local/go/src/internal/poll/fd_unix.go:167 +0x25a net.(*netFD).Read(0xc000151f00, {0xc000800000, 0xc000801578, 0x1a}) /usr/local/go/src/net/fd_posix.go:56 +0x29 net.(*conn).Read(0xc00011c0f8, {0xc000800000, 0x51399e, 0xc00055f7f0}) /usr/local/go/src/net/net.go:183 +0x45 crypto/tls.(*atLeastReader).Read(0xc0004905d0, {0xc000800000, 0x0, 0x40c2ed}) /usr/local/go/src/crypto/tls/conn.go:777 +0x3d bytes.(*Buffer).ReadFrom(0xc0006033f8, {0x22b5dc0, 0xc0004905d0}) /usr/local/go/src/bytes/buffer.go:204 +0x98 crypto/tls.(*Conn).readFromUntil(0xc000603180, {0x22b9220, 0xc00011c0f8}, 0xbff) /usr/local/go/src/crypto/tls/conn.go:799 +0xe5 crypto/tls.(*Conn).readRecordOrCCS(0xc000603180, 0x0) /usr/local/go/src/crypto/tls/conn.go:606 +0x112 crypto/tls.(*Conn).readRecord(...) /usr/local/go/src/crypto/tls/conn.go:574 crypto/tls.(*Conn).Read(0xc000603180, {0xc000231000, 0x1000, 0x9592c0}) /usr/local/go/src/crypto/tls/conn.go:1277 +0x16f bufio.(*Reader).Read(0xc0003e1da0, {0xc00021c820, 0x9, 0x967862}) /usr/local/go/src/bufio/bufio.go:227 +0x1b4 io.ReadAtLeast({0x22b5ba0, 0xc0003e1da0}, {0xc00021c820, 0x9, 0x9}, 0x9) /usr/local/go/src/io/io.go:328 +0x9a io.ReadFull(...) /usr/local/go/src/io/io.go:347 golang.org/x/net/http2.readFrameHeader({0xc00021c820, 0x9, 0xc0016df5f0}, {0x22b5ba0, 0xc0003e1da0}) /go/src/kubernetes/vendor/golang.org/x/net/http2/frame.go:237 +0x6e golang.org/x/net/http2.(*Framer).ReadFrame(0xc00021c7e0) /go/src/kubernetes/vendor/golang.org/x/net/http2/frame.go:498 +0x95 golang.org/x/net/http2.(*clientConnReadLoop).run(0xc00055ff98) /go/src/kubernetes/vendor/golang.org/x/net/http2/transport.go:2101 +0x130 golang.org/x/net/http2.(*ClientConn).readLoop(0xc00004e900) /go/src/kubernetes/vendor/golang.org/x/net/http2/transport.go:1997 +0x6f created by golang.org/x/net/http2.(*Transport).newClientConn /go/src/kubernetes/vendor/golang.org/x/net/http2/transport.go:725 +0xac5 goroutine 27 [syscall]: os/signal.signal_recv() /usr/local/go/src/runtime/sigqueue.go:169 +0x98 os/signal.loop() /usr/local/go/src/os/signal/signal_unix.go:24 +0x19 created by os/signal.Notify.func1.1 /usr/local/go/src/os/signal/signal.go:151 +0x2c
Penyelesaian
Selesai. Kami menggunakan aplikasi yang menggunakan 10010. Kami menukar 10010. Semuanya baik sekarang.
Atas ialah kandungan terperinci Tidak dapat melaksanakan shell pada pod K8S. Untuk maklumat lanjut, sila ikut artikel berkaitan lain di laman web China PHP!

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