When I restart my Docker Desktop on Windows there's a (presumably transient) "connection refused" which causes compose-on-kubernetes to print its command-line arguments and panic.
PS C:\Users\djs> kubectl get pods --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
docker compose-6c67d745f6-n78x4 1/1 Running 1 11m
docker compose-api-57ff65b8c7-5n9zc 0/1 CrashLoopBackOff 1 11m
kube-system coredns-fb8b8dccf-gvss4 1/1 Running 3 13m
kube-system coredns-fb8b8dccf-wwq9z 1/1 Running 3 13m
kube-system etcd-docker-desktop 1/1 Running 1 12m
kube-system kube-apiserver-docker-desktop 1/1 Running 1 12m
kube-system kube-controller-manager-docker-desktop 1/1 Running 1 12m
kube-system kube-proxy-qcld8 1/1 Running 1 13m
kube-system kube-scheduler-docker-desktop 1/1 Running 1 12m
PS C:\Users\djs> kubectl logs -n docker compose-api-57ff65b8c7-5n9zc
I0724 14:31:56.884772 1 client.go:352] parsed scheme: ""
I0724 14:31:56.884881 1 client.go:352] scheme "" not registered, fallback to default scheme
I0724 14:31:56.885429 1 asm_amd64.s:1337] ccResolverWrapper: sending new addresses to cc: [{127.0.0.1:2379 0 <nil>}]
I0724 14:31:56.885994 1 asm_amd64.s:1337] balancerWrapper: got update addr from Notify: [{127.0.0.1:2379 <nil>}]
I0724 14:31:56.906510 1 asm_amd64.s:1337] balancerWrapper: got update addr from Notify: [{127.0.0.1:2379 <nil>}]
Error: Get https://10.96.0.1:443/api/v1/namespaces/kube-system/configmaps/extension-apiserver-authentication: dial tcp 10.96.0.1:443: connect: connection refused
Usage:
[flags]
Flags:
--admission-control-config-file string File with admission control configuration.
--audit-dynamic-configuration Enables dynamic audit configuration. This feature also requires the DynamicAuditing feature flag
--audit-log-batch-buffer-size int The size of the buffer to store events before batching and writing. Only used in batch mode. (default 10000)
--audit-log-batch-max-size int The maximum size of a batch. Only used in batch mode. (default 1)
--audit-log-batch-max-wait duration The amount of time to wait before force writing the batch that hadn't reached the max size. Only used in batch mode.
--audit-log-batch-throttle-burst int Maximum number of requests sent at the same moment if ThrottleQPS was not utilized before. Only used in batch mode.
--audit-log-batch-throttle-enable Whether batching throttling is enabled. Only used in batch mode.
--audit-log-batch-throttle-qps float32 Maximum average number of batches per second. Only used in batch mode.
--audit-log-format string Format of saved audits. "legacy" indicates 1-line text format for each event. "json" indicates structured json format. Known formats are legacy,json. (default "json")
--audit-log-maxage int The maximum number of days to retain old audit log files based on the timestamp encoded in their filename.
--audit-log-maxbackup int The maximum number of old audit log files to retain.
--audit-log-maxsize int The maximum size in megabytes of the audit log file before it gets rotated.
--audit-log-mode string Strategy for sending audit events. Blocking indicates sending events should block server responses. Batch causes the backend to buffer and write events asynchronously. Known modes are batch,blocking,blocking-strict. (default "blocking")
--audit-log-path string If set, all requests coming to the apiserver will be logged to this file. '-' means standard out.
--audit-log-truncate-enabled Whether event and batch truncating is enabled.
--audit-log-truncate-max-batch-size int Maximum size of the batch sent to the underlying backend. Actual serialized size can be several hundreds of bytes greater. If a batch exceeds this limit, it is split into several batches of smaller size. (default 10485760)
--audit-log-truncate-max-event-size int Maximum size of the audit event sent to the underlying backend. If the size of an event is greater than this number, first request and response are removed, and if this doesn't reduce the size enough, event is discarded. (default 102400)
--audit-log-version string API group and version used for serializing audit events written to log. (default "audit.k8s.io/v1")
--audit-policy-file string Path to the file that defines the audit policy configuration.
--audit-webhook-batch-buffer-size int The size of the buffer to store events before batching and writing. Only used in batch mode. (default 10000)
--audit-webhook-batch-max-size int The maximum size of a batch. Only used in batch mode. (default 400)
--audit-webhook-batch-max-wait duration The amount of time to wait before force writing the batch that hadn't reached the max size. Only used in batch mode. (default 30s)
--audit-webhook-batch-throttle-burst int Maximum number of requests sent at the same moment if ThrottleQPS was not utilized before. Only used in batch mode. (default 15)
--audit-webhook-batch-throttle-enable Whether batching throttling is enabled. Only used in batch mode. (default true)
--audit-webhook-batch-throttle-qps float32 Maximum average number of batches per second. Only used in batch mode. (default 10)
--audit-webhook-config-file string Path to a kubeconfig formatted file that defines the audit webhook configuration.
--audit-webhook-initial-backoff duration The amount of time to wait before retrying the first failed request. (default 10s)
--audit-webhook-mode string Strategy for sending audit events. Blocking indicates sending events should block server responses. Batch causes the backend to buffer and write events asynchronously. Known modes are batch,blocking,blocking-strict. (default "batch")
--audit-webhook-truncate-enabled Whether event and batch truncating is enabled.
--audit-webhook-truncate-max-batch-size int Maximum size of the batch sent to the underlying backend. Actual serialized size can be several hundreds of bytes greater. If a batch exceeds this limit, it is split into several batches of smaller size. (default 10485760)
--audit-webhook-truncate-max-event-size int Maximum size of the audit event sent to the underlying backend. If the size of an event is greater than this number, first request and response are removed, and if this doesn't reduce the size enough, event is discarded. (default 102400)
--audit-webhook-version string API group and version used for serializing audit events written to webhook. (default "audit.k8s.io/v1")
--authentication-kubeconfig string kubeconfig file pointing at the 'core' kubernetes server with enough rights to create tokenaccessreviews.authentication.k8s.io.
--authentication-skip-lookup If false, the authentication-kubeconfig will be used to lookup missing authentication configuration from the cluster.
--authentication-token-webhook-cache-ttl duration The duration to cache responses from the webhook token authenticator. (default 10s)
--authentication-tolerate-lookup-failure If true, failures to look up missing authentication configuration from the cluster are not considered fatal. Note that this can result in authentication that treats all requests as anonymous.
--authorization-always-allow-paths strings A list of HTTP paths to skip during authorization, i.e. these are authorized without contacting the 'core' kubernetes server.
--authorization-kubeconfig string kubeconfig file pointing at the 'core' kubernetes server with enough rights to create subjectaccessreviews.authorization.k8s.io.
--authorization-webhook-cache-authorized-ttl duration The duration to cache 'authorized' responses from the webhook authorizer. (default 10s)
--authorization-webhook-cache-unauthorized-ttl duration The duration to cache 'unauthorized' responses from the webhook authorizer. (default 10s)
--bind-address ip The IP address on which to listen for the --secure-port port. The associated interface(s) must be reachable by the rest of the cluster, and by CLI/web clients. If blank, all interfaces will be used (0.0.0.0 for all IPv4 interfaces and :: for all IPv6 interfaces). (default 0.0.0.0)
--ca-bundle-file string defines the path to the CA bundle file
--cert-dir string The directory where the TLS certs are located. If --tls-cert-file and --tls-private-key-file are provided, this flag will be ignored. (default "apiserver.local.config/certificates")
--client-ca-file string If set, any request presenting a client certificate signed by one of the authorities in the client-ca-file is authenticated with an identity corresponding to the CommonName of the client certificate.
--contention-profiling Enable lock contention profiling, if profiling is enabled
--default-watch-cache-size int Default watch cache size. If zero, watch cache will be disabled for resources that do not have a default watch size set. (default 100)
--delete-collection-workers int Number of workers spawned for DeleteCollection call. These are used to speed up namespace cleanup. (default 1)
--disable-admission-plugins strings admission plugins that should be disabled although they are in the default enabled plugins list (NamespaceLifecycle, MutatingAdmissionWebhook, ValidatingAdmissionWebhook). Comma-delimited list of admission plugins: MutatingAdmissionWebhook, NamespaceLifecycle, ValidatingAdmissionWebhook. The order of plugins in this flag does not matter.
--enable-admission-plugins strings admission plugins that should be enabled in addition to default enabled ones (NamespaceLifecycle, MutatingAdmissionWebhook, ValidatingAdmissionWebhook). Comma-delimited list of admission plugins: MutatingAdmissionWebhook, NamespaceLifecycle, ValidatingAdmissionWebhook. The order of plugins in this flag does not matter.
--enable-garbage-collector Enables the generic garbage collector. MUST be synced with the corresponding flag of the kube-controller-manager. (default true)
--encryption-provider-config string The file containing configuration for encryption providers to be used for storing secrets in etcd
--etcd-cafile string SSL Certificate Authority file used to secure etcd communication.
--etcd-certfile string SSL certification file used to secure etcd communication.
--etcd-compaction-interval duration The interval of compaction requests. If 0, the compaction request from apiserver is disabled. (default 5m0s)
--etcd-count-metric-poll-period duration Frequency of polling etcd for number of resources per type. 0 disables the metric collection. (default 1m0s)
--etcd-keyfile string SSL key file used to secure etcd communication.
--etcd-prefix string The prefix to prepend to all resource paths in etcd. (default "/registry/docker.com/stacks")
--etcd-servers strings List of etcd servers to connect with (scheme://ip:port), comma separated.
--etcd-servers-overrides strings Per-resource etcd servers overrides, comma separated. The individual override format: group/resource#servers, where servers are URLs, semicolon separated.
--healthz-check-port int defines the port used by healthz check server (0 to disable it) (default 8080)
-h, --help help for this command
--http2-max-streams-per-connection int The limit that the server gives to clients for the maximum number of streams in an HTTP/2 connection. Zero means to use golang's default. (default 1000)
--kubeconfig string kubeconfig file pointing at the 'core' kubernetes server.
--log-flush-frequency duration Maximum number of seconds between log flushes (default 5s)
--profiling Enable profiling via web interface host:port/debug/pprof/ (default true)
--requestheader-allowed-names strings List of client certificate common names to allow to provide usernames in headers specified by --requestheader-username-headers. If empty, any client certificate validated by the authorities in --requestheader-client-ca-file is allowed.
--requestheader-client-ca-file string Root certificate bundle to use to verify client certificates on incoming requests before trusting usernames in headers specified by --requestheader-username-headers. WARNING: generally do not depend on authorization being already done for incoming requests.
--requestheader-extra-headers-prefix strings List of request header prefixes to inspect. X-Remote-Extra- is suggested. (default [x-remote-extra-])
--requestheader-group-headers strings List of request headers to inspect for groups. X-Remote-Group is suggested. (default [x-remote-group])
--requestheader-username-headers strings List of request headers to inspect for usernames. X-Remote-User is common. (default [x-remote-user])
--secure-port int The port on which to serve HTTPS with authentication and authorization.If 0, don't serve HTTPS at all. (default 443)
--service-name string defines the name of the service exposing the aggregated API
--service-namespace string defines the namespace of the service exposing the aggregated API
--storage-backend string The storage backend for persistence. Options: 'etcd3' (default).
--storage-media-type string The media type to use to store objects in storage. Some resources or storage backends may only support a specific media type and will ignore this setting. (default "application/json")
--tls-cert-file string File containing the default x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert). If HTTPS serving is enabled, and --tls-cert-file and --tls-private-key-file are not provided, a self-signed certificate and key are generated for the public address and saved to the directory specified by --cert-dir.
--tls-cipher-suites strings Comma-separated list of cipher suites for the server. If omitted, the default Go cipher suites will be use. Possible values: TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_RC4_128_SHA,TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_RC4_128_SHA,TLS_RSA_WITH_3DES_EDE_CBC_SHA,TLS_RSA_WITH_AES_128_CBC_SHA,TLS_RSA_WITH_AES_128_CBC_SHA256,TLS_RSA_WITH_AES_128_GCM_SHA256,TLS_RSA_WITH_AES_256_CBC_SHA,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_RC4_128_SHA
--tls-min-version string Minimum TLS version supported. Possible values: VersionTLS10, VersionTLS11, VersionTLS12
--tls-private-key-file string File containing the default x509 private key matching --tls-cert-file.
--tls-sni-cert-key namedCertKey A pair of x509 certificate and private key file paths, optionally suffixed with a list of domain patterns which are fully qualified domain names, possibly with prefixed wildcard segments. If no domain patterns are provided, the names of the certificate are extracted. Non-wildcard matches trump over wildcard matches, explicit domain patterns trump over extracted names. For multiple key/certificate pairs, use the --tls-sni-cert-key multiple times. Examples: "example.crt,example.key" or "foo.crt,foo.key:*.foo.com,foo.com". (default [])
--watch-cache Enable watch caching in the apiserver (default true)
--watch-cache-sizes strings Watch cache size settings for some resources (pods, nodes, etc.), comma separated. The individual setting format: resource[.group]#size, where resource is lowercase plural (no version), group is omitted for resources of apiVersion v1 (the legacy core API) and included for others, and size is a number. It takes effect when watch-cache is enabled. Some resources (replicationcontrollers, endpoints, nodes, pods, services, apiservices.apiregistration.k8s.io) have system defaults set by heuristics, others default to default-watch-cache-size
panic: Get https://10.96.0.1:443/api/v1/namespaces/kube-system/configmaps/extension-apiserver-authentication: dial tcp 10.96.0.1:443: connect: connection refused
goroutine 1 [running]:
main.main()
/go/src/github.com/docker/compose-on-kubernetes/cmd/api-server/main.go:17 +0x5a
PS C:\Users\djs>
A little while later the other pod failed: (presumably this is a cascade failure)
PS C:\Users\djs> kubectl get pods --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
docker compose-6c67d745f6-n78x4 0/1 CrashLoopBackOff 1 20m
docker compose-api-57ff65b8c7-5n9zc 0/1 CreateContainerError 1 20m
kube-system coredns-fb8b8dccf-gvss4 1/1 Running 3 22m
kube-system coredns-fb8b8dccf-wwq9z 1/1 Running 3 22m
kube-system etcd-docker-desktop 1/1 Running 1 21m
kube-system kube-apiserver-docker-desktop 1/1 Running 1 21m
kube-system kube-controller-manager-docker-desktop 1/1 Running 1 21m
kube-system kube-proxy-qcld8 1/1 Running 1 22m
kube-system kube-scheduler-docker-desktop 1/1 Running 1 21m
PS C:\Users\djs> kubectl logs -n docker compose-6c67d745f6-n78x4
Version: v0.4.23
Git commit: cc4914d
OS/Arch: linux/amd64
Built: Wed Jun 5 12:33:17 2019
W0724 15:31:53.121828 1 client_config.go:549] Neither --kubeconfig nor --master was specified. Using the inClusterConfig. This might not work.
time="2019-07-24T14:42:17Z" level=fatal msg="cannot watch stacks"
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