vkube

Documentation

Overview

Manages Vanadium applications on kubernetes

Usage:

vkube [flags] <command>

The vkube commands are:

start                Starts an application.
update               Updates an application.
stop                 Stops an application.
start-cluster-agent  Starts the cluster agent.
stop-cluster-agent   Stops the cluster agent.
update-cluster-agent Updates the cluster agent.
update-config        Updates vkube.cfg.
claim-cluster-agent  Claims the cluster agent.
build-docker-images  Builds the docker images for the cluster and pod agents.
create-secrets       Creates secrets
upgrade-cluster      Upgrade the cluster defined in vkube.cfg.
kubectl              Runs kubectl on the cluster defined in vkube.cfg.
help                 Display help for commands or topics

The vkube flags are:

-config=vkube.cfg
  The 'vkube.cfg' file to use.
-gcloud=gcloud
  The 'gcloud' binary to use.
-get-credentials=true
  When true, use gcloud to get the cluster credentials. Otherwise, assume
  kubectl already has the correct credentials, and 'vkube kubectl' is
  equivalent to 'kubectl'.
-kubectl=kubectl
  The 'kubectl' binary to use.
-no-headers=false
  When true, suppress the 'Project: ... Zone: ... Cluster: ...' headers.

The global flags are:

-alsologtostderr=true
  log to standard error as well as files
-log_backtrace_at=:0
  when logging hits line file:N, emit a stack trace
-log_dir=
  if non-empty, write log files to this directory
-logtostderr=false
  log to standard error instead of files
-max_stack_buf_size=4292608
  max size in bytes of the buffer to use for logging stack traces
-metadata=<just specify -metadata to activate>
  Displays metadata for the program and exits.
-stderrthreshold=2
  logs at or above this threshold go to stderr
-time=false
  Dump timing information to stderr before exiting the program.
-v=0
  log level for V logs
-v23.credentials=
  directory to use for storing security credentials
-v23.i18n-catalogue=
  18n catalogue files to load, comma separated
-v23.namespace.root=[/(dev.v.io:role:vprod:service:mounttabled)@ns.dev.v.io:8101]
  local namespace root; can be repeated to provided multiple roots
-v23.proxy=
  object name of proxy service to use to export services across network
  boundaries
-v23.tcp.address=
  address to listen on
-v23.tcp.protocol=wsh
  protocol to listen with
-v23.vtrace.cache-size=1024
  The number of vtrace traces to store in memory.
-v23.vtrace.collect-regexp=
  Spans and annotations that match this regular expression will trigger trace
  collection.
-v23.vtrace.dump-on-shutdown=true
  If true, dump all stored traces on runtime shutdown.
-v23.vtrace.sample-rate=0
  Rate (from 0.0 to 1.0) to sample vtrace traces.
-v23.vtrace.v=0
  The verbosity level of the log messages to be captured in traces
-vmodule=
  comma-separated list of globpattern=N settings for filename-filtered logging
  (without the .go suffix).  E.g. foo/bar/baz.go is matched by patterns baz or
  *az or b* but not by bar/baz or baz.go or az or b.*
-vpath=
  comma-separated list of regexppattern=N settings for file pathname-filtered
  logging (without the .go suffix).  E.g. foo/bar/baz.go is matched by patterns
  foo/bar/baz or fo.*az or oo/ba or b.z but not by foo/bar/baz.go or fo*az

Vkube start

Starts an application.

Usage:

vkube start [flags] <extension>

<extension> The blessing name extension to give to the application.

If --noblessings is set, this argument is not needed.

The vkube start flags are:

-f=
  Filename to use to create the kubernetes resource.
-noblessings=false
  Do not pass blessings to the application.
-wait=false
  Wait for all the replicas to be ready.
-wait-timeout=5m0s
  How long to wait for the start to make progress.

-config=vkube.cfg
  The 'vkube.cfg' file to use.
-gcloud=gcloud
  The 'gcloud' binary to use.
-get-credentials=true
  When true, use gcloud to get the cluster credentials. Otherwise, assume
  kubectl already has the correct credentials, and 'vkube kubectl' is
  equivalent to 'kubectl'.
-kubectl=kubectl
  The 'kubectl' binary to use.
-no-headers=false
  When true, suppress the 'Project: ... Zone: ... Cluster: ...' headers.

Vkube update

Updates an application to a new version with a rolling update, preserving the existing blessings.

Usage:

vkube update [flags]

The vkube update flags are:

-f=
  Filename to use to update the kubernetes resource.
-wait=false
  Wait for the update to finish.
-wait-timeout=5m0s
  How long to wait for the update to make progress.

-config=vkube.cfg
  The 'vkube.cfg' file to use.
-gcloud=gcloud
  The 'gcloud' binary to use.
-get-credentials=true
  When true, use gcloud to get the cluster credentials. Otherwise, assume
  kubectl already has the correct credentials, and 'vkube kubectl' is
  equivalent to 'kubectl'.
-kubectl=kubectl
  The 'kubectl' binary to use.
-no-headers=false
  When true, suppress the 'Project: ... Zone: ... Cluster: ...' headers.

Vkube stop

Stops an application.

Usage:

vkube stop [flags]

The vkube stop flags are:

-f=
  Filename to use to stop the kubernetes resource.

-config=vkube.cfg
  The 'vkube.cfg' file to use.
-gcloud=gcloud
  The 'gcloud' binary to use.
-get-credentials=true
  When true, use gcloud to get the cluster credentials. Otherwise, assume
  kubectl already has the correct credentials, and 'vkube kubectl' is
  equivalent to 'kubectl'.
-kubectl=kubectl
  The 'kubectl' binary to use.
-no-headers=false
  When true, suppress the 'Project: ... Zone: ... Cluster: ...' headers.

Vkube start-cluster-agent

Starts the cluster agent.

Usage:

vkube start-cluster-agent [flags]

The vkube start-cluster-agent flags are:

-wait=false
  Wait for the cluster agent to be ready.
-wait-timeout=5m0s
  How long to wait for the cluster agent to be ready.

-config=vkube.cfg
  The 'vkube.cfg' file to use.
-gcloud=gcloud
  The 'gcloud' binary to use.
-get-credentials=true
  When true, use gcloud to get the cluster credentials. Otherwise, assume
  kubectl already has the correct credentials, and 'vkube kubectl' is
  equivalent to 'kubectl'.
-kubectl=kubectl
  The 'kubectl' binary to use.
-no-headers=false
  When true, suppress the 'Project: ... Zone: ... Cluster: ...' headers.

Vkube stop-cluster-agent

Stops the cluster agent.

Usage:

vkube stop-cluster-agent [flags]

The vkube stop-cluster-agent flags are:

-config=vkube.cfg
  The 'vkube.cfg' file to use.
-gcloud=gcloud
  The 'gcloud' binary to use.
-get-credentials=true
  When true, use gcloud to get the cluster credentials. Otherwise, assume
  kubectl already has the correct credentials, and 'vkube kubectl' is
  equivalent to 'kubectl'.
-kubectl=kubectl
  The 'kubectl' binary to use.
-no-headers=false
  When true, suppress the 'Project: ... Zone: ... Cluster: ...' headers.

Vkube update-cluster-agent

Updates the cluster agent.

Usage:

vkube update-cluster-agent [flags]

The vkube update-cluster-agent flags are:

-wait=false
  Wait for the cluster agent to be ready.
-wait-timeout=5m0s
  How long to wait for the cluster agent to be ready.

-config=vkube.cfg
  The 'vkube.cfg' file to use.
-gcloud=gcloud
  The 'gcloud' binary to use.
-get-credentials=true
  When true, use gcloud to get the cluster credentials. Otherwise, assume
  kubectl already has the correct credentials, and 'vkube kubectl' is
  equivalent to 'kubectl'.
-kubectl=kubectl
  The 'kubectl' binary to use.
-no-headers=false
  When true, suppress the 'Project: ... Zone: ... Cluster: ...' headers.

Vkube update-config

Updates the vkube.cfg file with new cluster-agent and/or pod-agent images.

Usage:

vkube update-config [flags]

The vkube update-config flags are:

-cluster-agent-image=
  The new cluster agent image. If the name starts with ':', only the image tag
  is updated.
-pod-agent-image=
  The new pod agent image. If the name starts with ':', only the image tag is
  updated.

-config=vkube.cfg
  The 'vkube.cfg' file to use.
-gcloud=gcloud
  The 'gcloud' binary to use.
-get-credentials=true
  When true, use gcloud to get the cluster credentials. Otherwise, assume
  kubectl already has the correct credentials, and 'vkube kubectl' is
  equivalent to 'kubectl'.
-kubectl=kubectl
  The 'kubectl' binary to use.
-no-headers=false
  When true, suppress the 'Project: ... Zone: ... Cluster: ...' headers.

Vkube claim-cluster-agent

Claims the cluster agent.

Usage:

vkube claim-cluster-agent [flags]

The vkube claim-cluster-agent flags are:

-config=vkube.cfg
  The 'vkube.cfg' file to use.
-gcloud=gcloud
  The 'gcloud' binary to use.
-get-credentials=true
  When true, use gcloud to get the cluster credentials. Otherwise, assume
  kubectl already has the correct credentials, and 'vkube kubectl' is
  equivalent to 'kubectl'.
-kubectl=kubectl
  The 'kubectl' binary to use.
-no-headers=false
  When true, suppress the 'Project: ... Zone: ... Cluster: ...' headers.

Vkube build-docker-images

Builds the docker images for the cluster and pod agents.

Usage:

vkube build-docker-images [flags]

The vkube build-docker-images flags are:

-tag=
  The tag to add to the docker images. If empty, the current timestamp is used.
-v=false
  When true, the output is more verbose.

-config=vkube.cfg
  The 'vkube.cfg' file to use.
-gcloud=gcloud
  The 'gcloud' binary to use.
-get-credentials=true
  When true, use gcloud to get the cluster credentials. Otherwise, assume
  kubectl already has the correct credentials, and 'vkube kubectl' is
  equivalent to 'kubectl'.
-kubectl=kubectl
  The 'kubectl' binary to use.
-no-headers=false
  When true, suppress the 'Project: ... Zone: ... Cluster: ...' headers.

Vkube create-secrets - Creates secrets

Creates kubernetes secrets from the template files passed as arguments.

The --secrets flag points to an encrypted TAR file that contains the actual secrets.

Each template file represents a kubernetes Secret object to be created by substituting the template fields with the content of the files from the encrypted TAR file.

Templates look like:

{
  "apiVersion": "v1",
  "kind": "Secret",
  "metadata": {
    "name": "secret-name"
  },
  "type": "Opaque",
  "data": {
    "file1": "{{base64 "path/file1"}}",
    "file2": "{{base64 "path/file2"}}"
  }
}

where path/file1 and path/file2 are files from the TAR file.

Usage:

vkube create-secrets [flags] <template> ...

<template> A file containing the template for the secret object.

The vkube create-secrets flags are:

-gpg=gpg
  The gpg binary to use.
-secrets=
  The file containing the encrypted secrets.

-config=vkube.cfg
  The 'vkube.cfg' file to use.
-gcloud=gcloud
  The 'gcloud' binary to use.
-get-credentials=true
  When true, use gcloud to get the cluster credentials. Otherwise, assume
  kubectl already has the correct credentials, and 'vkube kubectl' is
  equivalent to 'kubectl'.
-kubectl=kubectl
  The 'kubectl' binary to use.
-no-headers=false
  When true, suppress the 'Project: ... Zone: ... Cluster: ...' headers.

Vkube upgrade-cluster

Upgrade the cluster defined in vkube.cfg to the default latest version.

This command is only meaningful with Kubernetes clusters on the Google Container Engine.

Usage:

vkube upgrade-cluster [flags]

The vkube upgrade-cluster flags are:

-prompt=true
  When true, prompt for confirmation before upgrading the cluster.

-config=vkube.cfg
  The 'vkube.cfg' file to use.
-gcloud=gcloud
  The 'gcloud' binary to use.
-get-credentials=true
  When true, use gcloud to get the cluster credentials. Otherwise, assume
  kubectl already has the correct credentials, and 'vkube kubectl' is
  equivalent to 'kubectl'.
-kubectl=kubectl
  The 'kubectl' binary to use.
-no-headers=false
  When true, suppress the 'Project: ... Zone: ... Cluster: ...' headers.

Vkube kubectl

Runs kubectl on the cluster defined in vkube.cfg.

Usage:

vkube kubectl [flags] -- <kubectl args>

<kubectl args> are passed directly to the kubectl command.

The vkube kubectl flags are:

-config=vkube.cfg
  The 'vkube.cfg' file to use.
-gcloud=gcloud
  The 'gcloud' binary to use.
-get-credentials=true
  When true, use gcloud to get the cluster credentials. Otherwise, assume
  kubectl already has the correct credentials, and 'vkube kubectl' is
  equivalent to 'kubectl'.
-kubectl=kubectl
  The 'kubectl' binary to use.
-no-headers=false
  When true, suppress the 'Project: ... Zone: ... Cluster: ...' headers.

Vkube help - Display help for commands or topics

Help with no args displays the usage of the parent command.

Help with args displays the usage of the specified sub-command or help topic.

"help ..." recursively displays help for all commands and topics.

Usage:

vkube help [flags] [command/topic ...]

[command/topic ...] optionally identifies a specific sub-command or help topic.

The vkube help flags are:

-style=compact
  The formatting style for help output:
     compact   - Good for compact cmdline output.
     full      - Good for cmdline output, shows all global flags.
     godoc     - Good for godoc processing.
     shortonly - Only output short description.
  Override the default by setting the CMDLINE_STYLE environment variable.
-width=<terminal width>
  Format output to this target width in runes, or unlimited if width < 0.
  Defaults to the terminal width if available.  Override the default by setting
  the CMDLINE_WIDTH environment variable.