static int
virISCSIConnection(const char *portal,
const char *initiatoriqn,
const char *target,
const char **extraargv)
{
int ret = -1;
const char *const baseargv[] = {
ISCSIADM,
"--mode", "node",
"--portal", portal,
"--targetname", target,
NULL
};
virCommandPtr cmd;
char *ifacename = NULL;
cmd = virCommandNewArgs(baseargv);
virCommandAddArgSet(cmd, extraargv);
if (initiatoriqn) {
switch (virStorageBackendIQNFound(initiatoriqn, &ifacename)) {
case IQN_FOUND:
VIR_DEBUG("ifacename: '%s'", ifacename);
break;
case IQN_MISSING:
if (virStorageBackendCreateIfaceIQN(initiatoriqn, &ifacename) != 0)
goto cleanup;
/*
* iscsiadm doesn't let you send commands to the Interface IQN,
* unless you've first issued a 'sendtargets' command to the
* portal. Without the sendtargets all that is received is a
* "iscsiadm: No records found"
*/
if (virISCSIScanTargets(portal, NULL, NULL) < 0)
goto cleanup;
break;
case IQN_ERROR:
default:
goto cleanup;
}
virCommandAddArgList(cmd, "--interface", ifacename, NULL);
}
if (virCommandRun(cmd, NULL) < 0)
goto cleanup;
ret = 0;
cleanup:
virCommandFree(cmd);
VIR_FREE(ifacename);
return ret;
}
static int
virStorageBackendISCSIConnectionIQN(virStoragePoolObjPtr pool,
const char *portal,
const char *action)
{
int ret = -1;
char *ifacename = NULL;
switch (virStorageBackendIQNFound(pool, &ifacename)) {
case IQN_FOUND:
VIR_DEBUG("ifacename: '%s'", ifacename);
break;
case IQN_MISSING:
if (virStorageBackendCreateIfaceIQN(pool, &ifacename) != 0) {
goto out;
}
break;
case IQN_ERROR:
default:
goto out;
}
const char *const sendtargets[] = {
ISCSIADM, "--mode", "discovery", "--type", "sendtargets", "--portal", portal, NULL
};
if (virRun(sendtargets, NULL) < 0) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to run %s to get target list"),
sendtargets[0]);
goto out;
}
const char *const cmdargv[] = {
ISCSIADM, "--mode", "node", "--portal", portal,
"--targetname", pool->def->source.devices[0].path, "--interface",
ifacename, action, NULL
};
if (virRun(cmdargv, NULL) < 0) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to run command '%s' with action '%s'"),
cmdargv[0], action);
goto out;
}
ret = 0;
out:
VIR_FREE(ifacename);
return ret;
}
static int
virStorageBackendISCSIConnection(const char *portal,
const char *initiatoriqn,
const char *target,
const char **extraargv)
{
int ret = -1;
const char *const baseargv[] = {
ISCSIADM,
"--mode", "node",
"--portal", portal,
"--targetname", target,
NULL
};
virCommandPtr cmd;
char *ifacename = NULL;
cmd = virCommandNewArgs(baseargv);
virCommandAddArgSet(cmd, extraargv);
if (initiatoriqn) {
switch (virStorageBackendIQNFound(initiatoriqn, &ifacename)) {
case IQN_FOUND:
VIR_DEBUG("ifacename: '%s'", ifacename);
break;
case IQN_MISSING:
if (virStorageBackendCreateIfaceIQN(initiatoriqn,
&ifacename) != 0) {
goto cleanup;
}
break;
case IQN_ERROR:
default:
goto cleanup;
}
virCommandAddArgList(cmd, "--interface", ifacename, NULL);
}
if (virCommandRun(cmd, NULL) < 0)
goto cleanup;
ret = 0;
cleanup:
virCommandFree(cmd);
VIR_FREE(ifacename);
return ret;
}
