Move restore warnings/errors to object storage

If you have a large number of warnings and/or errors, the restore
object's size can exceed the maximum allowed by etcd. Move them to
object storage, and add a new describe command to fetch and display them
on the fly.

Signed-off-by: Andy Goldstein <andy.goldstein@gmail.com>

docs/cli-reference/ark.md

@@ -30,6 +30,7 @@ operations can also be performed as 'ark backup get' and 'ark schedule create'.
 ### SEE ALSO
 * [ark backup](ark_backup.md)	 - Work with backups
 * [ark create](ark_create.md)	 - Create ark resources
+* [ark describe](ark_describe.md)	 - Describe ark resources
 * [ark get](ark_get.md)	 - Get ark resources
 * [ark restore](ark_restore.md)	 - Work with restores
 * [ark schedule](ark_schedule.md)	 - Work with schedules

docs/cli-reference/ark_describe.md

@@ -0,0 +1,32 @@
+## ark describe
+
+Describe ark resources
+
+### Synopsis
+
+
+Describe ark resources
+
+### Options
+
+```
+  -h, --help   help for describe
+```
+
+### Options inherited from parent commands
+
+```
+      --alsologtostderr                  log to standard error as well as files
+      --kubeconfig string                Path to the kubeconfig file to use to talk to the Kubernetes apiserver. If unset, try the environment variable KUBECONFIG, as well as in-cluster configuration
+      --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
+      --logtostderr                      log to standard error instead of files
+      --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
+```
+
+### SEE ALSO
+* [ark](ark.md)	 - Back up and restore Kubernetes cluster resources.
+* [ark describe restores](ark_describe_restores.md)	 - Describe restores
+

docs/cli-reference/ark_describe_restores.md

@@ -0,0 +1,39 @@
+## ark describe restores
+
+Describe restores
+
+### Synopsis
+
+
+Describe restores
+
+```
+ark describe restores [flags]
+```
+
+### Options
+
+```
+  -h, --help                        help for restores
+      --label-columns stringArray   a comma-separated list of labels to be displayed as columns
+  -o, --output string               Output display format. For create commands, display the object but do not send it to the server. Valid formats are 'table', 'json', and 'yaml'. (default "table")
+  -l, --selector string             only show items matching this label selector
+      --show-labels                 show labels in the last column
+```
+
+### Options inherited from parent commands
+
+```
+      --alsologtostderr                  log to standard error as well as files
+      --kubeconfig string                Path to the kubeconfig file to use to talk to the Kubernetes apiserver. If unset, try the environment variable KUBECONFIG, as well as in-cluster configuration
+      --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
+      --logtostderr                      log to standard error instead of files
+      --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
+```
+
+### SEE ALSO
+* [ark describe](ark_describe.md)	 - Describe ark resources
+

docs/cli-reference/ark_restore.md

@@ -30,6 +30,7 @@ Work with restores
 * [ark](ark.md)	 - Back up and restore Kubernetes cluster resources.
 * [ark restore create](ark_restore_create.md)	 - Create a restore
 * [ark restore delete](ark_restore_delete.md)	 - Delete a restore
+* [ark restore describe](ark_restore_describe.md)	 - Describe restores
 * [ark restore get](ark_restore_get.md)	 - Get restores
 * [ark restore logs](ark_restore_logs.md)	 - Get restore logs
 

docs/cli-reference/ark_restore_describe.md

@@ -0,0 +1,39 @@
+## ark restore describe
+
+Describe restores
+
+### Synopsis
+
+
+Describe restores
+
+```
+ark restore describe [flags]
+```
+
+### Options
+
+```
+  -h, --help                        help for describe
+      --label-columns stringArray   a comma-separated list of labels to be displayed as columns
+  -o, --output string               Output display format. For create commands, display the object but do not send it to the server. Valid formats are 'table', 'json', and 'yaml'. (default "table")
+  -l, --selector string             only show items matching this label selector
+      --show-labels                 show labels in the last column
+```
+
+### Options inherited from parent commands
+
+```
+      --alsologtostderr                  log to standard error as well as files
+      --kubeconfig string                Path to the kubeconfig file to use to talk to the Kubernetes apiserver. If unset, try the environment variable KUBECONFIG, as well as in-cluster configuration
+      --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
+      --logtostderr                      log to standard error instead of files
+      --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
+```
+
+### SEE ALSO
+* [ark restore](ark_restore.md)	 - Work with restores
+