Add vsan and disk commands / helpers #672
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dougm
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govc/datastore/disk/create.go
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| return `Create VMDK on DS. | ||
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| Examples: | ||
| govc datastore.disk.create -size 24G disks/disk1.vmdk` |
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Is disks the datastore or is this on datastore by default?
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Need to datastore.mkdir first if it doesn't already exist, I'll add that to the example.
| @@ -43,6 +43,7 @@ func (cmd *rm) Register(ctx context.Context, f *flag.FlagSet) { | |||
| cmd.DatastoreFlag, ctx = flags.NewDatastoreFlag(ctx) | |||
| cmd.DatastoreFlag.Register(ctx, f) | |||
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| f.BoolVar(&cmd.kind, "t", true, "Use file type to choose disk or file manager") | |||
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might find out further down, but not sure what will be non-functional if this is set to false.
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We're using it in the datastore_file_manager.sh to test the vsan.dom commands
| } | ||
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| if mds.Summary.Type != "vsan" { | ||
| return flag.ErrHelp |
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Perhaps include the fact that the target is not a vSAN datastore.
object/datastore_file_manager.go
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| func (m *DatastoreFileManager) markDiskAsDeletable(ctx context.Context, path *DatastorePath) { | ||
| r, n, err := m.Datastore.Download(ctx, path.Path, &soap.DefaultDownload) | ||
| if err != nil { | ||
| return |
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not returning a cause here may make it hard to differentiate between errors:
- disk in use
- missing Host.Config.SystemManagement privilege
- connection error
- other
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We discussed in person, I'll add comment/log.
object/datastore_file_manager.go
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| defer r.Close() | ||
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| if n > 2048 { | ||
| return // sanity check before reading; should be only a few hundred bytes |
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This is true for the moment but we are discussing using the ddb to store the layer metadata. Regardless, if we've somehow accidentally downloaded the data file instead of the descriptor this will be Gigabytes too late - we could download only the first 512 bytes and check for known keys (for example) - not really thought about edge cases with this suggestion however.
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Regarding ddb for metadata, hopefully we won't still be using this workaround by then :)
Regarding the download, we've only read the HTTP headers at this point, 'n' is the value of the Content-Length header. Nothing reads the HTTP body until we call s.Scan() below.
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Changed to use https://golang.org/pkg/io/#LimitedReader instead of just checking the Content-Length header.
* Add DatastoreFileManager API wrapper * Add HostVsanInternalSystem API wrappers * Add govc datastore.disk.create command * Add govc datastore.vsan.dom.ls and datastore.vsan.dom.rm commands * Use DatastoreFileManager in govc datastore.rm command
Add DatastoreFileManager API wrapper
Add HostVsanInternalSystem API wrappers
Add govc datastore.disk.create command
Add govc datastore.vsan.ls and datastore.vsan.rm commands
Use DatastoreFileManager in govc datastore.rm command