Re: [libvirt] [PATCH] storage: Better describe logical pool creation/definition parameters

https://bugzilla.redhat.com/show_bug.cgi?id=1398087 Clean up the virsh man page description for --pool-create-as in order to better describe how the various arguments are used when creating (or defining) a logical pool. Also move the --print-xml to the end of the qualifiers since it's not properly positionally situated for both --pool-create-as and --pool-define-as. Finally modify the storage pool XML parsing algorithm to check for the mismatched "name" and "source-name" as well as a more general if not provided, then set the default source format.

Signed-off-by: John Ferlan <jferlan(a)redhat.com&gt; --- src/conf/storage_conf.c | 11 +++++++++++ tools/virsh.pod | 15 +++++++++++---- 2 files changed, 22 insertions(+), 4 deletions(-) diff --git a/src/conf/storage_conf.c b/src/conf/storage_conf.c index 6b34cea..6ca4949 100644 --- a/src/conf/storage_conf.c +++ b/src/conf/storage_conf.c @@ -703,6 +703,9 @@ virStoragePoolDefParseXML(xmlXPathContextPtr ctxt) if (virStoragePoolDefParseSource(ctxt, &ret->source, ret->type, source_node) < 0) goto error; + } else { + if (options->formatFromString) + ret->source.format = options->defaultFormat; } ret->name = virXPathString("string(./name)", ctxt); @@ -757,6 +760,14 @@ virStoragePoolDefParseXML(xmlXPathContextPtr ctxt) if (VIR_STRDUP(ret->source.name, ret->name) < 0) goto error; } + if (ret->type == VIR_STORAGE_POOL_LOGICAL && + STRNEQ(ret->name, ret->source.name)) { + virReportError(VIR_ERR_XML_ERROR, + _("for a logical pool, the pool name='%s' " + "must match the pool source name='%s'"), + ret->name, ret->source.name); + goto error; + } } if ((options->flags & VIR_STORAGE_POOL_SOURCE_ADAPTER) && diff --git a/tools/virsh.pod b/tools/virsh.pod index ee79046..a1b4086 100644 --- a/tools/virsh.pod +++ b/tools/virsh.pod @@ -3572,13 +3572,13 @@ follow-up command to build the pool. The I<--overwrite> and I<--no-overwrite> flags follow the same rules as B<pool-build>. If just I<--build> is provided, then B<pool-build> is called with no flags. -=item B<pool-create-as> I<name> I<type> [I<--print-xml>] +=item B<pool-create-as> I<name> I<type> [I<--source-host hostname>] [I<--source-path path>] [I<--source-dev path>] [I<--source-name name>] [I<--target path>] [I<--source-format format>] [I<--auth-type authtype> I<--auth-username username> I<--secret-usage usage>] [[I<--adapter-name name>] | [I<--adapter-wwnn> I<--adapter-wwpn>] [I<--adapter-parent parent>]] -[I<--build>] [[I<--overwrite>] | [I<--no-overwrite>]] +[I<--build>] [[I<--overwrite>] | [I<--no-overwrite>]] [I<--print-xml>] Create and start a pool object I<name> from the raw parameters. If @@ -3628,17 +3628,24 @@ follow-up command to build the pool. The I<--overwrite> and I<--no-overwrite> flags follow the same rules as B<pool-build>. If just I<--build> is provided, then B<pool-build> is called with no flags. +For a "logical" pool only [I<--name>] needs to be provided. The [I<--name>] +must match the Volume Group name for which the pool is being defined or +created. The [I<--source-name>] if provided must match the Volume Group +name. If not provided, one will be generated using the [I<--name>]. If +provided the [I<--target>] is ignored and a target source is generated +using the [I<--source-name>] (or as generated from the [I<--name>]). + =item B<pool-define> I<file> Define an inactive persistent storage pool or modify an existing persistent one from the XML I<file>. -=item B<pool-define-as> I<name> I<type> [I<--print-xml>] +=item B<pool-define-as> I<name> I<type> [I<--source-host hostname>] [I<--source-path path>] [I<--source-dev path>] [I<--source-name name>] [I<--target path>] [I<--source-format format>] [I<--auth-type authtype> I<--auth-username username> I<--secret-usage usage>] [[I<--adapter-name name>] | [I<--adapter-wwnn> I<--adapter-wwpn>] -[I<--adapter-parent parent>]] +[I<--adapter-parent parent>]] [I<--print-xml>] Create, but do not start, a pool object I<name> from the raw parameters. If I<--print-xml> is specified, then print the XML of the pool object