Re: [zfs-discuss] Information on ZFS API?
On Wed, Aug 16, 2006 at 01:44:48PM -0400, William Fretts-Saxton wrote:
> Perhaps this JNI code is what I'm looking for?
>
> http://cvs.opensolaris.org/source/xref/on/usr/src/lib/libzfs_jni/
>
> It says the ZFS GUI uses this so, I'm assuming, anyone could. Although
> I am a Java programmer, I have ZERO experience with JNI. Am I on the
> right track?
This is another private API, albeit one written in Java. Unlike the
DTrace JNI, this is a private interface between libzfs and the ZFS GUI.
By nature of being cross-consolidation, it will likely change less
frequently than the libzfs interface (hence putting it in ON in the
first plcae). However, it is still a private interface and subject to
incompatible change at any point.
For ZFS status, the CLI was intentionally designed ('zfs list -H', 'zfs
get -H') to be parsable, and that is the only stable interface for doing
so. For pool status, we don't currently have any stable, parsable,
output. There is an RFE open for this, but I don't have the BugID
handy.
I would imagine that the libzfs API would be made public at some point,
but we need to wait for a variety of other RFEs to be implemented.
Nearly every new feature (and even some bugfixes) ends up making
incompatible changes to the API - it is still evolving. Once we are
satisfied with the set of supported features, we can think about
publicizing the API. But I would not expect this to occur for at least
another year.
- Eric
--
Eric Schrock, Solaris Kernel Development http://blogs.sun.com/eschrock
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Re: [zfs-discuss] Information on ZFS API?
Perhaps this JNI code is what I'm looking for? http://cvs.opensolaris.org/source/xref/on/usr/src/lib/libzfs_jni/ It says the ZFS GUI uses this so, I'm assuming, anyone could. Although I am a Java programmer, I have ZERO experience with JNI. Am I on the right track? Bill Sommerfeld wrote: On Wed, 2006-08-16 at 11:49 -0400, Eric Enright wrote: On 8/16/06, William Fretts-Saxton <[EMAIL PROTECTED]> wrote: I'm having trouble finding information on any hooks into ZFS. Is there information on a ZFS API so I can access ZFS information directly as opposed to having to constantly parse 'zpool' and 'zfs' command output? libzfs: http://cvs.opensolaris.org/source/xref/on/usr/src/lib/libzfs/common/ Careful -- this isn't an API -- it's part of the implementation of ZFS, and as a result it is subject to incompatible change at any time without advanced warning. In terms of our Interface Taxonomy, this is considered "Project Private". If you have specific requirements for a programmatic interface to ZFS, let's hear them... it's not uncommon for Private interfaces to get put through some renovation and housecleaning and then promoted to a public interface, but it's best for the conversation to happen first... (And I can't speak for the plans/intentions of the core zfs team on this..) - Bill ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Information on ZFS API?
This is my first post on the opensolaris.org forums. I'm still trying to figure out whether I'm actually on the zfs-discuss alias and, if not, how to add myself to it! Anyway, I'm looking for a way to get information like "zpool list" or "zfs get all " through an API instead of parsing the information from the CLI. In the ideal world, I could just "get" a zpool object from the OS, which contained the zpool information and various zfs objects and do whatever I wanted with them. Bill Sommerfeld wrote: On Wed, 2006-08-16 at 11:49 -0400, Eric Enright wrote: On 8/16/06, William Fretts-Saxton <[EMAIL PROTECTED]> wrote: I'm having trouble finding information on any hooks into ZFS. Is there information on a ZFS API so I can access ZFS information directly as opposed to having to constantly parse 'zpool' and 'zfs' command output? libzfs: http://cvs.opensolaris.org/source/xref/on/usr/src/lib/libzfs/common/ Careful -- this isn't an API -- it's part of the implementation of ZFS, and as a result it is subject to incompatible change at any time without advanced warning. In terms of our Interface Taxonomy, this is considered "Project Private". If you have specific requirements for a programmatic interface to ZFS, let's hear them... it's not uncommon for Private interfaces to get put through some renovation and housecleaning and then promoted to a public interface, but it's best for the conversation to happen first... (And I can't speak for the plans/intentions of the core zfs team on this..) - Bill ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Information on ZFS API?
On Wed, 2006-08-16 at 11:49 -0400, Eric Enright wrote: > On 8/16/06, William Fretts-Saxton <[EMAIL PROTECTED]> wrote: > > I'm having trouble finding information on any hooks into ZFS. Is > > there information on a ZFS API so I can access ZFS information > > directly as opposed to having to constantly parse 'zpool' and 'zfs' > > command output? > > libzfs: http://cvs.opensolaris.org/source/xref/on/usr/src/lib/libzfs/common/ Careful -- this isn't an API -- it's part of the implementation of ZFS, and as a result it is subject to incompatible change at any time without advanced warning. In terms of our Interface Taxonomy, this is considered "Project Private". If you have specific requirements for a programmatic interface to ZFS, let's hear them... it's not uncommon for Private interfaces to get put through some renovation and housecleaning and then promoted to a public interface, but it's best for the conversation to happen first... (And I can't speak for the plans/intentions of the core zfs team on this..) - Bill ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Information on ZFS API?
On 8/16/06, William Fretts-Saxton <[EMAIL PROTECTED]> wrote: I'm having trouble finding information on any hooks into ZFS. Is there information on a ZFS API so I can access ZFS information directly as opposed to having to constantly parse 'zpool' and 'zfs' command output? libzfs: http://cvs.opensolaris.org/source/xref/on/usr/src/lib/libzfs/common/ -- Eric Enright ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
[zfs-discuss] Information on ZFS API?
I'm having trouble finding information on any hooks into ZFS. Is there information on a ZFS API so I can access ZFS information directly as opposed to having to constantly parse 'zpool' and 'zfs' command output? This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
