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esx: Extend vCenter query parameter

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If an ESX host is managed by a vCenter, it knows the IP address of the
vCenter. Setting the vCenter query parameter to * allows to connect to the
vCenter known to an ESX host without the need to specify its IP address
or hostname explicitly.
This commit is contained in:
Matthias Bolte 2009-11-19 00:08:13 +01:00
parent de42b8b223
commit c23a4fd13f
1 changed files with 98 additions and 27 deletions
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125
src/esx/esx_driver.c
View File

@ -234,7 +234,7 @@ esxCapsInit(virConnectPtr conn)
/*
* URI format: {esx|gsx}://[<user>@]<server>[:<port>][?transport={http|https}][&vcenter=<vcenter>][&no_verify={0|1}][&auto_answer={0|1}]
* URI format: {esx|gsx}://[<user>@]<server>[:<port>]/[<query parameter> ...]
*
* If no port is specified the default port is set dependent on the scheme and
* transport parameter:
@ -243,10 +243,19 @@ esxCapsInit(virConnectPtr conn)
* - gsx+http 8222
* - gsx+https 8333
*
* Optional query parameters:
* - transport={http|https}
* - vcenter={<vcenter>|*}
* - no_verify={0|1}
* - auto_answer={0|1}
*
* If no transport parameter is specified https is used.
*
* The vcenter parameter is only necessary for migration, because the vCenter
* server is in charge to initiate a migration between two ESX hosts.
* server is in charge to initiate a migration between two ESX hosts. The
* vcenter parameter can be set to an explicity hostname or to *. If set to *,
* the driver will check if the ESX host is managed by a vCenter and connect to
* it. If the ESX host is not managed by a vCenter an error is reported.
*
* If the no_verify parameter is set to 1, this disables libcurl client checks
* of the server's certificate. The default value it 0.
@ -258,6 +267,7 @@ esxCapsInit(virConnectPtr conn)
static virDrvOpenStatus
esxOpen(virConnectPtr conn, virConnectAuthPtr auth, int flags ATTRIBUTE_UNUSED)
{
virDrvOpenStatus result = VIR_DRV_OPEN_SUCCESS;
esxPrivate *priv = NULL;
char hostIpAddress[NI_MAXHOST] = "";
char vCenterIpAddress[NI_MAXHOST] = "";
@ -267,6 +277,9 @@ esxOpen(virConnectPtr conn, virConnectAuthPtr auth, int flags ATTRIBUTE_UNUSED)
int autoAnswer = 0; // boolean
char *username = NULL;
char *password = NULL;
esxVI_String *propertyNameList = NULL;
esxVI_ObjectContent *hostSystem = NULL;
esxVI_DynamicProperty *dynamicProperty = NULL;
/* Decline if the URI is NULL or the scheme is neither 'esx' nor 'gsx' */
if (conn->uri == NULL || conn->uri->scheme == NULL ||
@ -305,18 +318,6 @@ esxOpen(virConnectPtr conn, virConnectAuthPtr auth, int flags ATTRIBUTE_UNUSED)
priv->autoAnswer = esxVI_Boolean_True;
}
/* Request credentials and login to host/vCenter */
if (esxUtil_ResolveHostname(conn, conn->uri->server, hostIpAddress,
NI_MAXHOST) < 0) {
goto failure;
}
if (vCenter != NULL &&
esxUtil_ResolveHostname(conn, vCenter, vCenterIpAddress,
NI_MAXHOST) < 0) {
goto failure;
}
/*
* Set the port dependent on the transport protocol if no port is
* specified. This allows us to rely on the port parameter being
@ -340,6 +341,11 @@ esxOpen(virConnectPtr conn, virConnectAuthPtr auth, int flags ATTRIBUTE_UNUSED)
}
/* Login to host */
if (esxUtil_ResolveHostname(conn, conn->uri->server, hostIpAddress,
NI_MAXHOST) < 0) {
goto failure;
}
if (virAsprintf(&url, "%s://%s:%d/sdk", priv->transport,
conn->uri->server, conn->uri->port) < 0) {
virReportOOMError(conn);
@ -394,12 +400,77 @@ esxOpen(virConnectPtr conn, virConnectAuthPtr auth, int flags ATTRIBUTE_UNUSED)
}
}
VIR_FREE(url);
VIR_FREE(password);
VIR_FREE(username);
/* Login to vCenter */
if (vCenter != NULL) {
VIR_FREE(url);
VIR_FREE(password);
VIR_FREE(username);
/* If a vCenter is specified resolve the hostname */
if (STRNEQ(vCenter, "*") &&
esxUtil_ResolveHostname(conn, vCenter, vCenterIpAddress,
NI_MAXHOST) < 0) {
goto failure;
}
/* Lookup the vCenter from the ESX host */
if (esxVI_String_AppendValueToList
(conn, &propertyNameList, "summary.managementServerIp") < 0 ||
esxVI_LookupHostSystemByIp(conn, priv->host, hostIpAddress,
propertyNameList, &hostSystem) < 0) {
goto failure;
}
for (dynamicProperty = hostSystem->propSet; dynamicProperty != NULL;
dynamicProperty = dynamicProperty->_next) {
if (STREQ(dynamicProperty->name,
"summary.managementServerIp")) {
if (esxVI_AnyType_ExpectType(conn, dynamicProperty->val,
esxVI_Type_String) < 0) {
goto failure;
}
/* Get the vCenter IP address or verify the specified one */
if (STREQ(vCenter, "*")) {
VIR_FREE(vCenter);
vCenter = strdup(dynamicProperty->val->string);
if (vCenter == NULL) {
virReportOOMError(conn);
goto failure;
}
if (virStrcpyStatic(vCenterIpAddress,
dynamicProperty->val->string) == NULL) {
ESX_ERROR(conn, VIR_ERR_INTERNAL_ERROR,
"vCenter IP address %s too big for "
"destination", dynamicProperty->val->string);
goto failure;
}
} else if (STRNEQ(vCenterIpAddress,
dynamicProperty->val->string)) {
ESX_ERROR(conn, VIR_ERR_INTERNAL_ERROR,
"This host is managed by a vCenter with IP "
"address %s, but a mismachting vCenter '%s' "
"(%s) has been specified",
dynamicProperty->val->string, vCenter,
vCenterIpAddress);
goto failure;
}
break;
} else {
VIR_WARN("Unexpected '%s' property", dynamicProperty->name);
}
}
if (STREQ(vCenter, "*")) {
ESX_ERROR(conn, VIR_ERR_INTERNAL_ERROR,
"This host is not managed by a vCenter");
goto failure;
}
if (virAsprintf(&url, "%s://%s/sdk", priv->transport,
vCenter) < 0) {
virReportOOMError(conn);
@ -440,11 +511,6 @@ esxOpen(virConnectPtr conn, virConnectAuthPtr auth, int flags ATTRIBUTE_UNUSED)
conn->uri->server);
goto failure;
}
VIR_FREE(url);
VIR_FREE(vCenter);
VIR_FREE(password);
VIR_FREE(username);
}
conn->privateData = priv;
@ -456,14 +522,17 @@ esxOpen(virConnectPtr conn, virConnectAuthPtr auth, int flags ATTRIBUTE_UNUSED)
goto failure;
}
return VIR_DRV_OPEN_SUCCESS;
failure:
cleanup:
VIR_FREE(url);
VIR_FREE(vCenter);
VIR_FREE(password);
VIR_FREE(username);
esxVI_String_Free(&propertyNameList);
esxVI_ObjectContent_Free(&hostSystem);
return result;
failure:
if (priv != NULL) {
esxVI_Context_Free(&priv->host);
esxVI_Context_Free(&priv->vCenter);
@ -474,7 +543,9 @@ esxOpen(virConnectPtr conn, virConnectAuthPtr auth, int flags ATTRIBUTE_UNUSED)
VIR_FREE(priv);
}
return VIR_DRV_OPEN_ERROR;
result = VIR_DRV_OPEN_ERROR;
goto cleanup;
}