diff --git a/cmd/minikube/cmd/config/config.go b/cmd/minikube/cmd/config/config.go index 8dcc25b115cce8aeb70510360aebc907ab919924..d5f2235cad6f0695b0de4ab011a81852fc38fd8c 100644 --- a/cmd/minikube/cmd/config/config.go +++ b/cmd/minikube/cmd/config/config.go @@ -79,10 +79,6 @@ var settings = []Setting{ validations: []setFn{IsPositive}, callbacks: []setFn{RequiresRestartMsg}, }, - { - name: "show-libmachine-logs", - set: SetBool, - }, { name: "log_dir", set: SetString, diff --git a/cmd/minikube/cmd/root.go b/cmd/minikube/cmd/root.go index ca1bdade641739fd10d7717ac34b440a12f37faa..0a2b00a7890e38772da53de35e0e8840efb41fa3 100644 --- a/cmd/minikube/cmd/root.go +++ b/cmd/minikube/cmd/root.go @@ -18,6 +18,7 @@ package cmd import ( goflag "flag" + "fmt" "io/ioutil" "os" "strings" @@ -73,15 +74,24 @@ var RootCmd = &cobra.Command{ } } - shouldShowLibmachineLogs := viper.GetBool(showLibmachineLogs) - if glog.V(3) { - log.SetDebug(true) + if viper.GetBool(showLibmachineLogs) { + fmt.Println(` +--show-libmachine-logs is deprecated. +Please use --v=3 to show libmachine logs, and --v=7 for debug level libmachine logs +`) } - if !shouldShowLibmachineLogs { + + // Log level 3 or greater enables libmachine logs + if !glog.V(3) { log.SetOutWriter(ioutil.Discard) log.SetErrWriter(ioutil.Discard) } + // Log level 7 or greater enables debug level logs + if glog.V(7) { + log.SetDebug(true) + } + if enableUpdateNotification { notify.MaybePrintUpdateTextFromGithub(os.Stdout) } @@ -117,7 +127,7 @@ func setFlagsUsingViper() { } func init() { - RootCmd.PersistentFlags().Bool(showLibmachineLogs, false, "Whether or not to show logs from libmachine.") + RootCmd.PersistentFlags().Bool(showLibmachineLogs, false, "Deprecated: To enable libmachine logs, set --v=3 or higher") RootCmd.AddCommand(configCmd.ConfigCmd) RootCmd.AddCommand(configCmd.AddonsCmd) pflag.CommandLine.AddGoFlagSet(goflag.CommandLine) @@ -144,7 +154,7 @@ func initConfig() { func setupViper() { viper.SetEnvPrefix(constants.MinikubeEnvPrefix) // Replaces '-' in flags with '_' in env variables - // e.g. show-libmachine-logs => $ENVPREFIX_SHOW_LIBMACHINE_LOGS + // e.g. iso-url => $ENVPREFIX_ISO_URL viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_")) viper.AutomaticEnv() diff --git a/docs/minikube.md b/docs/minikube.md index d72b57922c0ceab90fabbdded8da86a1280dd866..e3303af3b0e6aaefc0e2754cf9ef366a24ed741d 100644 --- a/docs/minikube.md +++ b/docs/minikube.md @@ -14,7 +14,7 @@ Minikube is a CLI tool that provisions and manages single-node Kubernetes cluste --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_addons.md b/docs/minikube_addons.md index 29d8a7ad8994a546588c99bdfb4f6eb7def26f0f..a59ba4676637e88b56ebb481c838be7002569054 100644 --- a/docs/minikube_addons.md +++ b/docs/minikube_addons.md @@ -26,7 +26,7 @@ For the list of accessible variables for the template, see the struct values her --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_addons_disable.md b/docs/minikube_addons_disable.md index c90fb4cf1778150ae8fdadc368b568f5e8e60997..463888fea075b7afc4aed12915a168d253b22c93 100644 --- a/docs/minikube_addons_disable.md +++ b/docs/minikube_addons_disable.md @@ -18,7 +18,7 @@ minikube addons disable ADDON_NAME --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_addons_enable.md b/docs/minikube_addons_enable.md index 2536c5ad6091982cea62c247d98659059f1a53b7..76df68e09e6ce450b73a025f1231a47947c8dee0 100644 --- a/docs/minikube_addons_enable.md +++ b/docs/minikube_addons_enable.md @@ -18,7 +18,7 @@ minikube addons enable ADDON_NAME --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_addons_list.md b/docs/minikube_addons_list.md index aa0f9b30ed136957ef7d640c85222a24c27a0e27..7740f127c4333fed07bf5e8b9b9fb6aba3b8d7d1 100644 --- a/docs/minikube_addons_list.md +++ b/docs/minikube_addons_list.md @@ -18,7 +18,7 @@ minikube addons list --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_addons_open.md b/docs/minikube_addons_open.md index bc3560fb0a057a0e5650eafd250dfccd8d6338bb..6331b29f04e7518e95431b5b2e860aa652e65763 100644 --- a/docs/minikube_addons_open.md +++ b/docs/minikube_addons_open.md @@ -26,7 +26,7 @@ minikube addons open ADDON_NAME --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_completion.md b/docs/minikube_completion.md index 0c7f706f1dd9a4c42036250252d5179b9b1ad497..c6ac1dcfdff341a53336a4e4f84270bd9271691f 100644 --- a/docs/minikube_completion.md +++ b/docs/minikube_completion.md @@ -33,7 +33,7 @@ minikube completion SHELL --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_config.md b/docs/minikube_config.md index 9e6eb35ce713140492bc75b7a4b2789f272d9044..f9651a492c25b9092795107af58b0660d07f22fb 100644 --- a/docs/minikube_config.md +++ b/docs/minikube_config.md @@ -14,7 +14,6 @@ Configurable fields: * disk-size * host-only-cidr * memory - * show-libmachine-logs * log_dir * kubernetes-version * iso-url @@ -41,7 +40,7 @@ minikube config SUBCOMMAND [flags] --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_config_get.md b/docs/minikube_config_get.md index 5d6362995191c5b2544cf3f581575719e615abb5..bdcb5195e54dff38d0240ff2c4e3454d116d4e25 100644 --- a/docs/minikube_config_get.md +++ b/docs/minikube_config_get.md @@ -18,7 +18,7 @@ minikube config get PROPERTY_NAME --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_config_set.md b/docs/minikube_config_set.md index 318d1e8221b1d72047cea95a0be66c76336a7ac5..33cd5a6865a6b663459664c3e1859984eee121e0 100644 --- a/docs/minikube_config_set.md +++ b/docs/minikube_config_set.md @@ -19,7 +19,7 @@ minikube config set PROPERTY_NAME PROPERTY_VALUE --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_config_unset.md b/docs/minikube_config_unset.md index b4d6e2a8645438b47451506f8b499701ddcc4fb8..ac1fc7fde3b78284cdc4f93eab91c06012fd2f02 100644 --- a/docs/minikube_config_unset.md +++ b/docs/minikube_config_unset.md @@ -18,7 +18,7 @@ minikube config unset PROPERTY_NAME --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_config_view.md b/docs/minikube_config_view.md index 5da0e83f0940590a11e6743412bb666640ec3da0..d4df3c429c527336ab83f25edb24e604bd67ce02 100644 --- a/docs/minikube_config_view.md +++ b/docs/minikube_config_view.md @@ -26,7 +26,7 @@ For the list of accessible variables for the template, see the struct values her --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_dashboard.md b/docs/minikube_dashboard.md index d98ec7861d64ea7ea89ce28295e5c227f61b816d..a4a6336dc9ec2b534fc62023bb14b1f99902a10a 100644 --- a/docs/minikube_dashboard.md +++ b/docs/minikube_dashboard.md @@ -24,7 +24,7 @@ minikube dashboard --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_delete.md b/docs/minikube_delete.md index c55586dee6445cf73643d541f6103adc1763327d..d549b930c130b92391e8224967f299c39ea587d9 100644 --- a/docs/minikube_delete.md +++ b/docs/minikube_delete.md @@ -19,7 +19,7 @@ minikube delete --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_docker-env.md b/docs/minikube_docker-env.md index 75344864ea5603d8b3fdd7c058c016961b56a401..bc958891ac4a459d023ca5de50027a93f8ba264a 100644 --- a/docs/minikube_docker-env.md +++ b/docs/minikube_docker-env.md @@ -26,7 +26,7 @@ minikube docker-env --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_get-k8s-versions.md b/docs/minikube_get-k8s-versions.md index d9cdcabac8b1f474b076c7eb820ac4abd95e8cbe..61c49fab9caa2dd153eeb0358879487d3f21ec95 100644 --- a/docs/minikube_get-k8s-versions.md +++ b/docs/minikube_get-k8s-versions.md @@ -18,7 +18,7 @@ minikube get-k8s-versions --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_ip.md b/docs/minikube_ip.md index 009788fe22c719e0d4648105a9e6131336e9cfd0..7b724493558d5c577f7e61836b164c4bd0780d32 100644 --- a/docs/minikube_ip.md +++ b/docs/minikube_ip.md @@ -18,7 +18,7 @@ minikube ip --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_logs.md b/docs/minikube_logs.md index b40b1ef53f380534789ad3b39339dbced716d2c5..2b3d05e93247b32a3a726890769682acbbd47ce5 100644 --- a/docs/minikube_logs.md +++ b/docs/minikube_logs.md @@ -18,7 +18,7 @@ minikube logs --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_service.md b/docs/minikube_service.md index da69058bdc57a1bd66caff212916a064b40e7cac..39d2cfe7d2a5de57224aa43a1ca726ec8f7e117a 100644 --- a/docs/minikube_service.md +++ b/docs/minikube_service.md @@ -27,7 +27,7 @@ minikube service [flags] SERVICE --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_service_list.md b/docs/minikube_service_list.md index b3632562dfaa874fe4220d5ac91dcd9808c3dce1..e6d4b5b63d59e5cc693b3892a4c0b5bdf2b38c8e 100644 --- a/docs/minikube_service_list.md +++ b/docs/minikube_service_list.md @@ -25,7 +25,7 @@ minikube service list [flags] --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_ssh.md b/docs/minikube_ssh.md index b928e561d830db6fcce672f013fd8038ea1c731c..c82e9fda264e06faac82c9c6bf5403e4521c3003 100644 --- a/docs/minikube_ssh.md +++ b/docs/minikube_ssh.md @@ -18,7 +18,7 @@ minikube ssh --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_start.md b/docs/minikube_start.md index f1d63f1a97f634eeb9bd276719470d1b6432ade9..cf8f933f8924026fc0cacac51396754928e795cc 100644 --- a/docs/minikube_start.md +++ b/docs/minikube_start.md @@ -42,7 +42,7 @@ minikube start --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_status.md b/docs/minikube_status.md index 93a3b57e68b82e8cbaee5326ca2974aac1f931b3..35458b6002b73c3878af21ae1c04902646acdff9 100644 --- a/docs/minikube_status.md +++ b/docs/minikube_status.md @@ -27,7 +27,7 @@ localkube: {{.LocalkubeStatus}} --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_stop.md b/docs/minikube_stop.md index 319443ac3a957e8caa7a11cdd51b04c7819efa30..e8f8e0b52f4c32486513f8351d34129a0155c6b0 100644 --- a/docs/minikube_stop.md +++ b/docs/minikube_stop.md @@ -19,7 +19,7 @@ minikube stop --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging diff --git a/docs/minikube_version.md b/docs/minikube_version.md index b7d8196beeb58d1ba7c25c9c00b9c352bf6ae220..7c25bdd6798a5afde1ac9951f857f35ab224c3bc 100644 --- a/docs/minikube_version.md +++ b/docs/minikube_version.md @@ -18,7 +18,7 @@ minikube version --log_backtrace_at traceLocation when logging hits line file:N, emit a stack trace (default :0) --log_dir string If non-empty, write log files in this directory (default "") --logtostderr log to standard error instead of files - --show-libmachine-logs Whether or not to show logs from libmachine. + --show-libmachine-logs Deprecated: To enable libmachine logs, set --v=3 or higher --stderrthreshold severity logs at or above this threshold go to stderr (default 2) -v, --v Level log level for V logs --vmodule moduleSpec comma-separated list of pattern=N settings for file-filtered logging