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esx: Support folders in the path of vpx:// connection URIs

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Allow the datacenter and compute resource parts of the path
to be prefixed with folders. Therefore, the way the path is
parsed has changed. Before, it was split in 2 or 3 items and
the items' meanings were determined by their positions. Now
the path can have 2 or more items and the the vCenter server
is asked whether a folder, datacenter of compute resource
with the specified name exists at the current hierarchy level.

Before the datacenter and compute resource lookup automatically
traversed folders during lookup. This is logic got removed
and folders have to be specified explicitly.

The proper datacenter path including folders is now used when
accessing a datastore over HTTPS. This makes virsh dumpxml
and define work for datacenters in folders.

https://bugzilla.redhat.com/show_bug.cgi?id=732676
This commit is contained in:
Matthias Bolte 2011-11-01 17:12:37 +01:00
parent 5759a5ccb5
commit 23247a1efd
7 changed files with 283 additions and 71 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
docs/drvesx.html.in
View File

@ -56,7 +56,7 @@ esx://example-esx.com/?no_verify=1 (ESX over HTTPS, but doesn't verify the s
URIs have this general form (<code>[...]</code> marks an optional part).
</p>
<pre>
type://[username@]hostname[:port]/[datacenter[/cluster]/server][?extraparameters]
type://[username@]hostname[:port]/[[folder/...]datacenter/[folder/...][cluster/]server][?extraparameters]
</pre>
<p>
The <code>type://</code> is either <code>esx://</code> or
@ -79,6 +79,14 @@ type://[username@]hostname[:port]/[datacenter[/cluster]/server][?extraparameters
</p>
<pre>
vpx://example-vcenter.com/dc1/cluster1/example-esx.com
</pre>
<p>
Datacenters and clusters can be organized in folders, those have to be
specified as well. The driver can handle folders
<span class="since">since 0.9.7</span>.
</p>
<pre>
vpx://example-vcenter.com/folder1/dc1/folder2/example-esx.com
</pre>

30
src/esx/esx_driver.c
View File

@ -722,7 +722,7 @@ esxConnectToHost(esxPrivate *priv, virConnectAuthPtr auth,
if (esxVI_Context_Alloc(&priv->host) < 0 ||
esxVI_Context_Connect(priv->host, url, ipAddress, username, password,
priv->parsedUri) < 0 ||
esxVI_Context_LookupObjectsByPath(priv->host, priv->parsedUri) < 0) {
esxVI_Context_LookupManagedObjects(priv->host) < 0) {
goto cleanup;
}
@ -804,8 +804,7 @@ esxConnectToVCenter(esxPrivate *priv, virConnectAuthPtr auth,
char *url = NULL;
if (hostSystemIpAddress == NULL &&
(priv->parsedUri->path_datacenter == NULL ||
priv->parsedUri->path_computeResource == NULL)) {
(priv->parsedUri->path == NULL || STREQ(priv->parsedUri->path, "/"))) {
ESX_ERROR(VIR_ERR_INVALID_ARG, "%s",
_("Path has to specify the datacenter and compute resource"));
return -1;
@ -869,13 +868,13 @@ esxConnectToVCenter(esxPrivate *priv, virConnectAuthPtr auth,
}
if (hostSystemIpAddress != NULL) {
if (esxVI_Context_LookupObjectsByHostSystemIp(priv->vCenter,
hostSystemIpAddress) < 0) {
if (esxVI_Context_LookupManagedObjectsByHostSystemIp
(priv->vCenter, hostSystemIpAddress) < 0) {
goto cleanup;
}
} else {
if (esxVI_Context_LookupObjectsByPath(priv->vCenter,
priv->parsedUri) < 0) {
if (esxVI_Context_LookupManagedObjectsByPath(priv->vCenter,
priv->parsedUri->path) < 0) {
goto cleanup;
}
}
@ -894,8 +893,8 @@ esxConnectToVCenter(esxPrivate *priv, virConnectAuthPtr auth,
/*
* URI format: {vpx|esx|gsx}://[<username>@]<hostname>[:<port>]/[<path>][?<query parameter> ...]
* <path> = <datacenter>/<computeresource>[/<hostsystem>]
* URI format: {vpx|esx|gsx}://[<username>@]<hostname>[:<port>]/[<path>][?<query parameter>...]
* <path> = [<folder>/...]<datacenter>/[<folder>/...]<computeresource>[/<hostsystem>]
*
* If no port is specified the default port is set dependent on the scheme and
* transport parameter:
@ -909,7 +908,8 @@ esxConnectToVCenter(esxPrivate *priv, virConnectAuthPtr auth,
* For a vpx:// connection <path> references a host managed by the vCenter.
* In case the host is part of a cluster then <computeresource> is the cluster
* name. Otherwise <computeresource> and <hostsystem> are equal and the later
* can be omitted.
* can be omitted. As datacenters and computeresources can be organized in
* folders those have to be included in <path>.
*
* Optional query parameters:
* - transport={http|https}
@ -977,6 +977,12 @@ esxOpen(virConnectPtr conn, virConnectAuthPtr auth,
return VIR_DRV_OPEN_ERROR;
}
if (STRCASENEQ(conn->uri->scheme, "vpx") &&
conn->uri->path != NULL && STRNEQ(conn->uri->path, "/")) {
VIR_WARN("Ignoring unexpected path '%s' for non-vpx scheme '%s'",
conn->uri->path, conn->uri->scheme);
}
/* Require server part */
if (conn->uri->server == NULL) {
ESX_ERROR(VIR_ERR_INVALID_ARG, "%s",
@ -2769,7 +2775,7 @@ esxDomainGetXMLDesc(virDomainPtr domain, unsigned int flags)
domain->conn->uri->server, domain->conn->uri->port);
virBufferURIEncodeString(&buffer, directoryAndFileName);
virBufferAddLit(&buffer, "?dcPath=");
virBufferURIEncodeString(&buffer, priv->primary->datacenter->name);
virBufferURIEncodeString(&buffer, priv->primary->datacenterPath);
virBufferAddLit(&buffer, "&dsName=");
virBufferURIEncodeString(&buffer, datastoreName);
@ -3237,7 +3243,7 @@ esxDomainDefineXML(virConnectPtr conn, const char *xml)
virBufferURIEncodeString(&buffer, escapedName);
virBufferAddLit(&buffer, ".vmx?dcPath=");
virBufferURIEncodeString(&buffer, priv->primary->datacenter->name);
virBufferURIEncodeString(&buffer, priv->primary->datacenterPath);
virBufferAddLit(&buffer, "&dsName=");
virBufferURIEncodeString(&buffer, datastoreName);

22
src/esx/esx_util.c
View File

@ -51,7 +51,6 @@ esxUtil_ParseUri(esxUtil_ParsedUri **parsedUri, xmlURIPtr uri)
int noVerify;
int autoAnswer;
char *tmp;
char *saveptr;
if (parsedUri == NULL || *parsedUri != NULL) {
ESX_VI_ERROR(VIR_ERR_INTERNAL_ERROR, "%s", _("Invalid argument"));
@ -184,26 +183,13 @@ esxUtil_ParseUri(esxUtil_ParsedUri **parsedUri, xmlURIPtr uri)
}
}
/* Expected format: [/]<datacenter>/<computeresource>[/<hostsystem>] */
if (uri->path != NULL) {
tmp = strdup(uri->path);
(*parsedUri)->path = strdup(uri->path);
if (tmp == NULL) {
if ((*parsedUri)->path == NULL) {
virReportOOMError();
goto cleanup;
}
if (esxVI_String_DeepCopyValue(&(*parsedUri)->path_datacenter,
strtok_r(tmp, "/", &saveptr)) < 0 ||
esxVI_String_DeepCopyValue(&(*parsedUri)->path_computeResource,
strtok_r(NULL, "/", &saveptr)) < 0 ||
esxVI_String_DeepCopyValue(&(*parsedUri)->path_hostSystem,
strtok_r(NULL, "", &saveptr)) < 0) {
VIR_FREE(tmp);
goto cleanup;
}
VIR_FREE(tmp);
}
if ((*parsedUri)->transport == NULL) {
@ -242,9 +228,7 @@ esxUtil_FreeParsedUri(esxUtil_ParsedUri **parsedUri)
VIR_FREE((*parsedUri)->transport);
VIR_FREE((*parsedUri)->vCenter);
VIR_FREE((*parsedUri)->proxy_hostname);
VIR_FREE((*parsedUri)->path_datacenter);
VIR_FREE((*parsedUri)->path_computeResource);
VIR_FREE((*parsedUri)->path_hostSystem);
VIR_FREE((*parsedUri)->path);
VIR_FREE(*parsedUri);
}

4
src/esx/esx_util.h
View File

@ -37,9 +37,7 @@ struct _esxUtil_ParsedUri {
int proxy_type;
char *proxy_hostname;
int proxy_port;
char *path_datacenter;
char *path_computeResource;
char *path_hostSystem;
char *path;
};
int esxUtil_ParseUri(esxUtil_ParsedUri **parsedUri, xmlURIPtr uri);

273
src/esx/esx_vi.c
View File

@ -616,8 +616,11 @@ ESX_VI__TEMPLATE__FREE(Context,
esxVI_UserSession_Free(&item->session);
VIR_FREE(item->sessionLock);
esxVI_Datacenter_Free(&item->datacenter);
VIR_FREE(item->datacenterPath);
esxVI_ComputeResource_Free(&item->computeResource);
VIR_FREE(item->computeResourcePath);
esxVI_HostSystem_Free(&item->hostSystem);
VIR_FREE(item->hostSystemName);
esxVI_SelectionSpec_Free(&item->selectSet_folderToChildEntity);
esxVI_SelectionSpec_Free(&item->selectSet_hostSystemToParent);
esxVI_SelectionSpec_Free(&item->selectSet_hostSystemToVm);
@ -789,21 +792,25 @@ esxVI_Context_Connect(esxVI_Context *ctx, const char *url,
}
int
esxVI_Context_LookupObjectsByPath(esxVI_Context *ctx,
esxUtil_ParsedUri *parsedUri)
esxVI_Context_LookupManagedObjects(esxVI_Context *ctx)
{
char *hostSystemName = NULL;
/* Lookup Datacenter */
if (esxVI_LookupDatacenter(ctx, parsedUri->path_datacenter,
ctx->service->rootFolder, NULL, &ctx->datacenter,
if (esxVI_LookupDatacenter(ctx, NULL, ctx->service->rootFolder, NULL,
&ctx->datacenter,
esxVI_Occurrence_RequiredItem) < 0) {
return -1;
}
ctx->datacenterPath = strdup(ctx->datacenter->name);
if (ctx->datacenterPath == NULL) {
virReportOOMError();
return -1;
}
/* Lookup (Cluster)ComputeResource */
if (esxVI_LookupComputeResource(ctx, parsedUri->path_computeResource,
ctx->datacenter->hostFolder, NULL,
&ctx->computeResource,
if (esxVI_LookupComputeResource(ctx, NULL, ctx->datacenter->hostFolder,
NULL, &ctx->computeResource,
esxVI_Occurrence_RequiredItem) < 0) {
return -1;
}
@ -814,29 +821,24 @@ esxVI_Context_LookupObjectsByPath(esxVI_Context *ctx,
return -1;
}
/* Lookup HostSystem */
if (parsedUri->path_hostSystem == NULL &&
STREQ(ctx->computeResource->_reference->type,
"ClusterComputeResource")) {
ESX_VI_ERROR(VIR_ERR_INVALID_ARG, "%s",
_("Path has to specify the host system"));
ctx->computeResourcePath = strdup(ctx->computeResource->name);
if (ctx->computeResourcePath == NULL) {
virReportOOMError();
return -1;
}
if (parsedUri->path_hostSystem != NULL ||
(parsedUri->path_computeResource != NULL &&
parsedUri->path_hostSystem == NULL)) {
if (parsedUri->path_hostSystem != NULL) {
hostSystemName = parsedUri->path_hostSystem;
} else {
hostSystemName = parsedUri->path_computeResource;
}
/* Lookup HostSystem */
if (esxVI_LookupHostSystem(ctx, NULL, ctx->computeResource->_reference,
NULL, &ctx->hostSystem,
esxVI_Occurrence_RequiredItem) < 0) {
return -1;
}
if (esxVI_LookupHostSystem(ctx, hostSystemName,
ctx->computeResource->_reference, NULL,
&ctx->hostSystem,
esxVI_Occurrence_RequiredItem) < 0) {
ctx->hostSystemName = strdup(ctx->hostSystem->name);
if (ctx->hostSystemName == NULL) {
virReportOOMError();
return -1;
}
@ -844,8 +846,215 @@ esxVI_Context_LookupObjectsByPath(esxVI_Context *ctx,
}
int
esxVI_Context_LookupObjectsByHostSystemIp(esxVI_Context *ctx,
const char *hostSystemIpAddress)
esxVI_Context_LookupManagedObjectsByPath(esxVI_Context *ctx, const char *path)
{
int result = -1;
char *tmp = NULL;
char *saveptr = NULL;
char *previousItem = NULL;
char *item = NULL;
virBuffer buffer = VIR_BUFFER_INITIALIZER;
esxVI_ManagedObjectReference *root = NULL;
esxVI_Folder *folder = NULL;
tmp = strdup(path);
if (tmp == NULL) {
virReportOOMError();
goto cleanup;
}
/* Lookup Datacenter */
item = strtok_r(tmp, "/", &saveptr);
if (item == NULL) {
ESX_VI_ERROR(VIR_ERR_INVALID_ARG,
_("Path '%s' does not specify a datacenter"), path);
goto cleanup;
}
root = ctx->service->rootFolder;
while (ctx->datacenter == NULL && item != NULL) {
esxVI_Folder_Free(&folder);
/* Try to lookup item as a folder */
if (esxVI_LookupFolder(ctx, item, root, NULL, &folder,
esxVI_Occurrence_OptionalItem) < 0) {
goto cleanup;
}
if (folder != NULL) {
/* It's a folder, use it as new lookup root */
if (root != ctx->service->rootFolder) {
esxVI_ManagedObjectReference_Free(&root);
}
root = folder->_reference;
folder->_reference = NULL;
} else {
/* Try to lookup item as a datacenter */
if (esxVI_LookupDatacenter(ctx, item, root, NULL, &ctx->datacenter,
esxVI_Occurrence_OptionalItem) < 0) {
goto cleanup;
}
}
/* Build datacenter path */
if (virBufferUse(&buffer) > 0) {
virBufferAddChar(&buffer, '/');
}
virBufferAdd(&buffer, item, -1);
previousItem = item;
item = strtok_r(NULL, "/", &saveptr);
}
if (ctx->datacenter == NULL) {
ESX_VI_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Could not find datacenter specified in '%s'"), path);
goto cleanup;
}
if (virBufferError(&buffer)) {
virReportOOMError();
goto cleanup;
}
ctx->datacenterPath = virBufferContentAndReset(&buffer);
/* Lookup (Cluster)ComputeResource */
if (item == NULL) {
ESX_VI_ERROR(VIR_ERR_INVALID_ARG,
_("Path '%s' does not specify a compute resource"), path);
goto cleanup;
}
if (root != ctx->service->rootFolder) {
esxVI_ManagedObjectReference_Free(&root);
}
root = ctx->datacenter->hostFolder;
while (ctx->computeResource == NULL && item != NULL) {
esxVI_Folder_Free(&folder);
/* Try to lookup item as a folder */
if (esxVI_LookupFolder(ctx, item, root, NULL, &folder,
esxVI_Occurrence_OptionalItem) < 0) {
goto cleanup;
}
if (folder != NULL) {
/* It's a folder, use it as new lookup root */
if (root != ctx->datacenter->hostFolder) {
esxVI_ManagedObjectReference_Free(&root);
}
root = folder->_reference;
folder->_reference = NULL;
} else {
/* Try to lookup item as a compute resource */
if (esxVI_LookupComputeResource(ctx, item, root, NULL,
&ctx->computeResource,
esxVI_Occurrence_OptionalItem) < 0) {
goto cleanup;
}
}
/* Build compute resource path */
if (virBufferUse(&buffer) > 0) {
virBufferAddChar(&buffer, '/');
}
virBufferAdd(&buffer, item, -1);
previousItem = item;
item = strtok_r(NULL, "/", &saveptr);
}
if (ctx->computeResource == NULL) {
ESX_VI_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Could not find compute resource specified in '%s'"),
path);
goto cleanup;
}
if (ctx->computeResource->resourcePool == NULL) {
ESX_VI_ERROR(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not retrieve resource pool"));
goto cleanup;
}
if (virBufferError(&buffer)) {
virReportOOMError();
goto cleanup;
}
ctx->computeResourcePath = virBufferContentAndReset(&buffer);
/* Lookup HostSystem */
if (STREQ(ctx->computeResource->_reference->type,
"ClusterComputeResource")) {
if (item == NULL) {
ESX_VI_ERROR(VIR_ERR_INVALID_ARG,
_("Path '%s' does not specify a host system"), path);
goto cleanup;
}
/* The path specified a cluster, it has to specify a host system too */
previousItem = item;
item = strtok_r(NULL, "/", &saveptr);
}
if (item != NULL) {
ESX_VI_ERROR(VIR_ERR_INVALID_ARG,
_("Path '%s' ends with an excess item"), path);
goto cleanup;
}
ctx->hostSystemName = strdup(previousItem);
if (ctx->hostSystemName == NULL) {
virReportOOMError();
goto cleanup;
}
if (esxVI_LookupHostSystem(ctx, ctx->hostSystemName,
ctx->computeResource->_reference, NULL,
&ctx->hostSystem,
esxVI_Occurrence_OptionalItem) < 0) {
goto cleanup;
}
if (ctx->hostSystem == NULL) {
ESX_VI_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Could not find host system specified in '%s'"), path);
goto cleanup;
}
result = 0;
cleanup:
if (result < 0) {
virBufferFreeAndReset(&buffer);
}
if (root != ctx->service->rootFolder &&
(ctx->datacenter == NULL || root != ctx->datacenter->hostFolder)) {
esxVI_ManagedObjectReference_Free(&root);
}
VIR_FREE(tmp);
esxVI_Folder_Free(&folder);
return result;
}
int
esxVI_Context_LookupManagedObjectsByHostSystemIp(esxVI_Context *ctx,
const char *hostSystemIpAddress)
{
int result = -1;
esxVI_ManagedObjectReference *managedObjectReference = NULL;
@ -1491,8 +1700,7 @@ esxVI_BuildSelectSetCollection(esxVI_Context *ctx)
/* Folder -> childEntity (ManagedEntity) */
if (esxVI_BuildSelectSet(&ctx->selectSet_folderToChildEntity,
"folderToChildEntity",
"Folder", "childEntity",
"folderToChildEntity\0") < 0) {
"Folder", "childEntity", NULL) < 0) {
return -1;
}
@ -1689,9 +1897,10 @@ esxVI_LookupObjectContentByType(esxVI_Context *ctx,
objectSpec->obj = root;
objectSpec->skip = esxVI_Boolean_False;
if (STRNEQ(root->type, type)) {
if (STRNEQ(root->type, type) || STREQ(root->type, "Folder")) {
if (STREQ(root->type, "Folder")) {
if (STREQ(type, "Datacenter") || STREQ(type, "ComputeResource") ||
if (STREQ(type, "Folder") || STREQ(type, "Datacenter") ||
STREQ(type, "ComputeResource") ||
STREQ(type, "ClusterComputeResource")) {
objectSpec->selectSet = ctx->selectSet_folderToChildEntity;
} else {

11
src/esx/esx_vi.h
View File

@ -204,8 +204,11 @@ struct _esxVI_Context {
esxVI_UserSession *session; /* ... except the session ... */
virMutexPtr sessionLock; /* ... that is protected by this mutex */
esxVI_Datacenter *datacenter;
char *datacenterPath; /* including folders */
esxVI_ComputeResource *computeResource;
char *computeResourcePath; /* including folders */
esxVI_HostSystem *hostSystem;
char *hostSystemName;
esxVI_SelectionSpec *selectSet_folderToChildEntity;
esxVI_SelectionSpec *selectSet_hostSystemToParent;
esxVI_SelectionSpec *selectSet_hostSystemToVm;
@ -221,10 +224,10 @@ void esxVI_Context_Free(esxVI_Context **ctx);
int esxVI_Context_Connect(esxVI_Context *ctx, const char *ipAddress,
const char *url, const char *username,
const char *password, esxUtil_ParsedUri *parsedUri);
int esxVI_Context_LookupObjectsByPath(esxVI_Context *ctx,
esxUtil_ParsedUri *parsedUri);
int esxVI_Context_LookupObjectsByHostSystemIp(esxVI_Context *ctx,
const char *hostSystemIpAddress);
int esxVI_Context_LookupManagedObjects(esxVI_Context *ctx);
int esxVI_Context_LookupManagedObjectsByPath(esxVI_Context *ctx, const char *path);
int esxVI_Context_LookupManagedObjectsByHostSystemIp(esxVI_Context *ctx,
const char *hostSystemIpAddress);
int esxVI_Context_Execute(esxVI_Context *ctx, const char *methodName,
const char *request, esxVI_Response **response,
esxVI_Occurrence occurrence);

4
src/esx/esx_vi_generator.input
View File

@ -755,6 +755,10 @@ managed object Datacenter extends ManagedEntity
end
managed object Folder extends ManagedEntity
end
managed object HostSystem extends ManagedEntity
HostConfigManager configManager r
end