|
| 1 | +package cim |
| 2 | + |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | + "github.com/microsoft/wmi/pkg/base/query" |
| 6 | + cim "github.com/microsoft/wmi/pkg/wmiinstance" |
| 7 | + "github.com/microsoft/wmi/server2019/root/microsoft/windows/storage" |
| 8 | + "strconv" |
| 9 | +) |
| 10 | + |
| 11 | +func ListISCSITargetPortals(selectorList []string) ([]*storage.MSFT_iSCSITargetPortal, error) { |
| 12 | + q := query.NewWmiQueryWithSelectList("MSFT_IscsiTargetPortal", selectorList) |
| 13 | + instances, err := QueryInstances(WMINamespaceStorage, q) |
| 14 | + if IgnoreNotFound(err) != nil { |
| 15 | + return nil, err |
| 16 | + } |
| 17 | + |
| 18 | + var targetPortals []*storage.MSFT_iSCSITargetPortal |
| 19 | + for _, instance := range instances { |
| 20 | + portal, err := storage.NewMSFT_iSCSITargetPortalEx1(instance) |
| 21 | + if err != nil { |
| 22 | + return nil, fmt.Errorf("failed to query iSCSI target portal %v. error: %v", instance, err) |
| 23 | + } |
| 24 | + |
| 25 | + targetPortals = append(targetPortals, portal) |
| 26 | + } |
| 27 | + |
| 28 | + return targetPortals, nil |
| 29 | +} |
| 30 | + |
| 31 | +func QueryISCSITargetPortal(address string, port uint32, selectorList []string) (*storage.MSFT_iSCSITargetPortal, error) { |
| 32 | + portalQuery := query.NewWmiQueryWithSelectList( |
| 33 | + "MSFT_iSCSITargetPortal", selectorList, |
| 34 | + "TargetPortalAddress", address, |
| 35 | + "TargetPortalPortNumber", strconv.Itoa(int(port))) |
| 36 | + instances, err := QueryInstances(WMINamespaceStorage, portalQuery) |
| 37 | + if err != nil { |
| 38 | + return nil, err |
| 39 | + } |
| 40 | + |
| 41 | + targetPortal, err := storage.NewMSFT_iSCSITargetPortalEx1(instances[0]) |
| 42 | + if err != nil { |
| 43 | + return nil, fmt.Errorf("failed to query iSCSI target portal at (%s:%d). error: %v", address, port, err) |
| 44 | + } |
| 45 | + |
| 46 | + return targetPortal, nil |
| 47 | +} |
| 48 | + |
| 49 | +func NewISCSITargetPortal(targetPortalAddress string, |
| 50 | + targetPortalPortNumber uint32, |
| 51 | + initiatorInstanceName *string, |
| 52 | + initiatorPortalAddress *string, |
| 53 | + isHeaderDigest *bool, |
| 54 | + isDataDigest *bool) (*storage.MSFT_iSCSITargetPortal, error) { |
| 55 | + params := map[string]interface{}{ |
| 56 | + "TargetPortalAddress": targetPortalAddress, |
| 57 | + "TargetPortalPortNumber": targetPortalPortNumber, |
| 58 | + } |
| 59 | + if initiatorInstanceName != nil { |
| 60 | + params["InitiatorInstanceName"] = *initiatorInstanceName |
| 61 | + } |
| 62 | + if initiatorPortalAddress != nil { |
| 63 | + params["InitiatorPortalAddress"] = *initiatorPortalAddress |
| 64 | + } |
| 65 | + if isHeaderDigest != nil { |
| 66 | + params["IsHeaderDigest"] = *isHeaderDigest |
| 67 | + } |
| 68 | + if isDataDigest != nil { |
| 69 | + params["IsDataDigest"] = *isDataDigest |
| 70 | + } |
| 71 | + result, _, err := InvokeCimMethod(WMINamespaceStorage, "MSFT_iSCSITargetPortal", "New", params) |
| 72 | + if err != nil { |
| 73 | + return nil, fmt.Errorf("failed to create iSCSI target portal with %v. result: %d, error: %v", params, result, err) |
| 74 | + } |
| 75 | + |
| 76 | + return QueryISCSITargetPortal(targetPortalAddress, targetPortalPortNumber, nil) |
| 77 | +} |
| 78 | + |
| 79 | +var ( |
| 80 | + mappingISCSIiTargetIndexer = mappingObjectRefIndexer("iSCSITarget", "MSFT_iSCSITarget", "NodeAddress") |
| 81 | + mappingISCSITargetPortalIndexer = mappingObjectRefIndexer("iSCSITargetPortal", "MSFT_iSCSITargetPortal", "TargetPortalAddress") |
| 82 | + mappingISCSIConnectionIndexer = mappingObjectRefIndexer("iSCSIConnection", "MSFT_iSCSIConnection", "ConnectionIdentifier") |
| 83 | + mappingISCSISessionIndexer = mappingObjectRefIndexer("iSCSISession", "MSFT_iSCSISession", "SessionIdentifier") |
| 84 | + |
| 85 | + iscsiTargetIndexer = stringPropertyIndexer("NodeAddress") |
| 86 | + iscsiTargetPortalIndexer = stringPropertyIndexer("TargetPortalAddress") |
| 87 | + iscsiConnectionIndexer = stringPropertyIndexer("ConnectionIdentifier") |
| 88 | + iscsiSessionIndexer = stringPropertyIndexer("SessionIdentifier") |
| 89 | +) |
| 90 | + |
| 91 | +func ListISCSITargetToISCSITargetPortalMapping() (map[string]string, error) { |
| 92 | + return ListWMIInstanceMappings(WMINamespaceStorage, "MSFT_iSCSITargetToiSCSITargetPortal", nil, mappingISCSIiTargetIndexer, mappingISCSITargetPortalIndexer) |
| 93 | +} |
| 94 | + |
| 95 | +func ListISCSIConnectionToISCSITargetMapping() (map[string]string, error) { |
| 96 | + return ListWMIInstanceMappings(WMINamespaceStorage, "MSFT_iSCSITargetToiSCSIConnection", nil, mappingISCSIConnectionIndexer, mappingISCSIiTargetIndexer) |
| 97 | +} |
| 98 | + |
| 99 | +func ListISCSISessionToISCSITargetMapping() (map[string]string, error) { |
| 100 | + return ListWMIInstanceMappings(WMINamespaceStorage, "MSFT_iSCSITargetToiSCSISession", nil, mappingISCSISessionIndexer, mappingISCSIiTargetIndexer) |
| 101 | +} |
| 102 | + |
| 103 | +func ListDiskToISCSIConnectionMapping() (map[string]string, error) { |
| 104 | + return ListWMIInstanceMappings(WMINamespaceStorage, "MSFT_iSCSIConnectionToDisk", nil, mappingObjectRefIndexer("Disk", "MSFT_Disk", "ObjectId"), mappingISCSIConnectionIndexer) |
| 105 | +} |
| 106 | + |
| 107 | +func ListISCSITargetByTargetPortalWithFilters(targetSelectorList []string, portals []*storage.MSFT_iSCSITargetPortal, filters ...*query.WmiQueryFilter) ([]*storage.MSFT_iSCSITarget, error) { |
| 108 | + targetQuery := query.NewWmiQueryWithSelectList("MSFT_iSCSITarget", targetSelectorList) |
| 109 | + targetQuery.Filters = append(targetQuery.Filters, filters...) |
| 110 | + instances, err := QueryInstances(WMINamespaceStorage, targetQuery) |
| 111 | + if err != nil { |
| 112 | + return nil, err |
| 113 | + } |
| 114 | + |
| 115 | + var portalInstances []*cim.WmiInstance |
| 116 | + for _, portal := range portals { |
| 117 | + portalInstances = append(portalInstances, portal.WmiInstance) |
| 118 | + } |
| 119 | + |
| 120 | + targetToTargetPortalMapping, err := ListISCSITargetToISCSITargetPortalMapping() |
| 121 | + if err != nil { |
| 122 | + return nil, err |
| 123 | + } |
| 124 | + |
| 125 | + targetInstances, err := FindInstancesByMapping(instances, iscsiTargetIndexer, portalInstances, iscsiTargetPortalIndexer, targetToTargetPortalMapping) |
| 126 | + if err != nil { |
| 127 | + return nil, err |
| 128 | + } |
| 129 | + |
| 130 | + var targets []*storage.MSFT_iSCSITarget |
| 131 | + for _, instance := range targetInstances { |
| 132 | + target, err := storage.NewMSFT_iSCSITargetEx1(instance) |
| 133 | + if err != nil { |
| 134 | + return nil, fmt.Errorf("failed to query iSCSI target %v. %v", instance, err) |
| 135 | + } |
| 136 | + |
| 137 | + targets = append(targets, target) |
| 138 | + } |
| 139 | + |
| 140 | + return targets, nil |
| 141 | +} |
| 142 | + |
| 143 | +func QueryISCSITarget(address string, port uint32, nodeAddress string, selectorList []string) (*storage.MSFT_iSCSITarget, error) { |
| 144 | + portal, err := QueryISCSITargetPortal(address, port, nil) |
| 145 | + if err != nil { |
| 146 | + return nil, err |
| 147 | + } |
| 148 | + |
| 149 | + targets, err := ListISCSITargetByTargetPortalWithFilters(selectorList, []*storage.MSFT_iSCSITargetPortal{portal}, |
| 150 | + query.NewWmiQueryFilter("NodeAddress", nodeAddress, query.Equals)) |
| 151 | + if err != nil { |
| 152 | + return nil, err |
| 153 | + } |
| 154 | + |
| 155 | + return targets[0], nil |
| 156 | +} |
| 157 | + |
| 158 | +func QueryISCSISessionByTarget(target *storage.MSFT_iSCSITarget, selectorList []string) (*storage.MSFT_iSCSISession, error) { |
| 159 | + sessionQuery := query.NewWmiQueryWithSelectList("MSFT_iSCSISession", selectorList) |
| 160 | + sessionInstances, err := QueryInstances(WMINamespaceStorage, sessionQuery) |
| 161 | + if err != nil { |
| 162 | + return nil, err |
| 163 | + } |
| 164 | + |
| 165 | + targetToTargetSessionMapping, err := ListISCSISessionToISCSITargetMapping() |
| 166 | + if err != nil { |
| 167 | + return nil, err |
| 168 | + } |
| 169 | + |
| 170 | + filtered, err := FindInstancesByMapping(sessionInstances, iscsiSessionIndexer, []*cim.WmiInstance{target.WmiInstance}, iscsiTargetIndexer, targetToTargetSessionMapping) |
| 171 | + if err != nil { |
| 172 | + return nil, err |
| 173 | + } |
| 174 | + |
| 175 | + session, err := storage.NewMSFT_iSCSISessionEx1(filtered[0]) |
| 176 | + return session, err |
| 177 | +} |
| 178 | + |
| 179 | +func ListDisksByTarget(target *storage.MSFT_iSCSITarget, selectorList []string) ([]*storage.MSFT_Disk, error) { |
| 180 | + // list connections to the given iSCSI target |
| 181 | + connectionQuery := query.NewWmiQueryWithSelectList("MSFT_iSCSIConnection", selectorList) |
| 182 | + connectionInstances, err := QueryInstances(WMINamespaceStorage, connectionQuery) |
| 183 | + if err != nil { |
| 184 | + return nil, err |
| 185 | + } |
| 186 | + |
| 187 | + connectionToTargetMapping, err := ListISCSIConnectionToISCSITargetMapping() |
| 188 | + if err != nil { |
| 189 | + return nil, err |
| 190 | + } |
| 191 | + |
| 192 | + connectionsToTarget, err := FindInstancesByMapping(connectionInstances, iscsiConnectionIndexer, []*cim.WmiInstance{target.WmiInstance}, iscsiTargetIndexer, connectionToTargetMapping) |
| 193 | + if err != nil { |
| 194 | + return nil, err |
| 195 | + } |
| 196 | + |
| 197 | + disks, err := ListDisks(selectorList) |
| 198 | + if err != nil { |
| 199 | + return nil, err |
| 200 | + } |
| 201 | + |
| 202 | + var diskInstances []*cim.WmiInstance |
| 203 | + for _, disk := range disks { |
| 204 | + diskInstances = append(diskInstances, disk.WmiInstance) |
| 205 | + } |
| 206 | + |
| 207 | + diskToConnectionMapping, err := ListDiskToISCSIConnectionMapping() |
| 208 | + if err != nil { |
| 209 | + return nil, err |
| 210 | + } |
| 211 | + |
| 212 | + filtered, err := FindInstancesByMapping(diskInstances, objectIDPropertyIndexer, connectionsToTarget, iscsiConnectionIndexer, diskToConnectionMapping) |
| 213 | + if err != nil { |
| 214 | + return nil, err |
| 215 | + } |
| 216 | + |
| 217 | + var filteredDisks []*storage.MSFT_Disk |
| 218 | + for _, instance := range filtered { |
| 219 | + disk, err := storage.NewMSFT_DiskEx1(instance) |
| 220 | + if err != nil { |
| 221 | + return nil, fmt.Errorf("failed to query disk %v. error: %v", disk, err) |
| 222 | + } |
| 223 | + |
| 224 | + filteredDisks = append(filteredDisks, disk) |
| 225 | + } |
| 226 | + return filteredDisks, err |
| 227 | +} |
| 228 | + |
| 229 | +func ConnectISCSITarget(portalAddress string, portalPortNumber uint32, nodeAddress string, authType string, chapUsername *string, chapSecret *string) (int, map[string]interface{}, error) { |
| 230 | + inParams := map[string]interface{}{ |
| 231 | + "NodeAddress": nodeAddress, |
| 232 | + "TargetPortalAddress": portalAddress, |
| 233 | + "TargetPortalPortNumber": int(portalPortNumber), |
| 234 | + "AuthenticationType": authType, |
| 235 | + } |
| 236 | + // InitiatorPortalAddress |
| 237 | + // IsDataDigest |
| 238 | + // IsHeaderDigest |
| 239 | + // ReportToPnP |
| 240 | + if chapUsername != nil { |
| 241 | + inParams["ChapUsername"] = *chapUsername |
| 242 | + } |
| 243 | + if chapSecret != nil { |
| 244 | + inParams["ChapSecret"] = *chapSecret |
| 245 | + } |
| 246 | + |
| 247 | + result, outParams, err := InvokeCimMethod(WMINamespaceStorage, "MSFT_iSCSITarget", "Connect", inParams) |
| 248 | + return result, outParams, err |
| 249 | +} |
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