void view_event(icalcomponent* calendar)
{
//Ask user if they want null fields in addition to filled ones
bool show_null_fields_too = yes_no_prompt("Do you want to view empty fields? (y/n)");
icalcomponent* event = find_event(calendar);
if (event == NULL)
{
append_action_to_closed_log("View event", false);
}
//Once user selects desired one, displays all needed fields
icalproperty* p;
for(p = icalcomponent_get_first_property(event,ICAL_ANY_PROPERTY); p != 0; p = icalcomponent_get_next_property(event,ICAL_ANY_PROPERTY))
{
if ((icalproperty_get_comment(p) != NULL) || (show_null_fields_too))
{
cout << icalproperty_get_x_name(p) << ": ";
cout << icalproperty_get_comment(p) << endl;
}
}
append_action_to_closed_log("View event", true);
}
static int _wipe_signature(struct device *dev, const char *type, const char *name,
int wipe_len, int yes, force_t force, int *wiped,
int (*signature_detection_fn)(struct device *dev, uint64_t *offset_found))
{
int wipe;
uint64_t offset_found;
wipe = signature_detection_fn(dev, &offset_found);
if (wipe == -1) {
log_error("Fatal error while trying to detect %s on %s.",
type, name);
return 0;
}
if (wipe == 0)
return 1;
/* Specifying --yes => do not ask. */
if (!yes && (force == PROMPT) &&
yes_no_prompt("WARNING: %s detected on %s. Wipe it? [y/n]: ",
type, name) == 'n') {
log_error("Aborted wiping of %s.", type);
return 0;
}
log_print_unless_silent("Wiping %s on %s.", type, name);
if (!dev_set(dev, offset_found, wipe_len, 0)) {
log_error("Failed to wipe %s on %s.", type, name);
return 0;
}
(*wiped)++;
return 1;
}
/*
* Decide whether it is "safe" to wipe the labels on this device.
* 0 indicates we may not.
*/
static int pvremove_check(struct cmd_context *cmd, const char *name)
{
struct physical_volume *pv;
/* is the partition type set correctly ? */
if ((arg_count(cmd, force_ARG) < 1) && !is_lvm_partition(name)) {
log_error("%s: Not LVM partition type: use -f to override",
name);
return 0;
}
/* Is there a pv here already? */
/* If not, this is an error unless you used -f. */
if (!(pv = pv_read(cmd, name, NULL, NULL, 1))) {
if (arg_count(cmd, force_ARG))
return 1;
log_error("Physical Volume %s not found", name);
return 0;
}
/* orphan ? */
if (is_orphan(pv))
return 1;
/* Allow partial & exported VGs to be destroyed. */
/* we must have -ff to overwrite a non orphan */
if (arg_count(cmd, force_ARG) < 2) {
log_error("Can't pvremove physical volume \"%s\" of "
"volume group \"%s\" without -ff", name, pv_vg_name(pv));
return 0;
}
/* prompt */
if (!arg_count(cmd, yes_ARG) &&
yes_no_prompt(_really_wipe, name, pv_vg_name(pv)) == 'n') {
log_print("%s: physical volume label not removed", name);
return 0;
}
if (arg_count(cmd, force_ARG)) {
log_warn("WARNING: Wiping physical volume label from "
"%s%s%s%s", name,
!is_orphan(pv) ? " of volume group \"" : "",
!is_orphan(pv) ? pv_vg_name(pv) : "",
!is_orphan(pv) ? "\"" : "");
}
return 1;
}
void delete_event(icalcomponent* calendar)
{
icalcomponent* event = find_event(calendar);
if (!yes_no_prompt("Are you sure you want to delete this event? (y/n"))
{
return;
}
//Find the event in the components
icalcomponent* c = icalcomponent_get_first_component(calendar, ICAL_VEVENT_COMPONENT);
bool found_event = false;
while((c=icalcomponent_get_current_component(c)) != 0 )
{
if(icalcomponent_isa(c) == ICAL_VEVENT_COMPONENT)
{
if (c == event)
{
icalcomponent_remove_component(calendar, c);
found_event = true;
}
}else
{
icalcomponent_get_next_component(calendar, ICAL_VEVENT_COMPONENT);
}
}
if (!found_event)
{
append_action_to_closed_log("Delete event", false);
return;
}
append_action_to_closed_log("Delete event", true);
}
int main()
{
vector<string> classes; //the first line of the ics7 file contains the elements of this
icalproperty_set_x_name(ical_x_class_prop, "X-CLASS");
icalcomponent* calendar = NULL;
struct icaltimetype atime;
struct icalperiodtype rtime;
//FIXME Later versions will try to load from the default file here
//If we don't have a saved calendar, make a new one
if (calendar == NULL)
{
atime = icaltime_from_timet( time(0),0);
rtime.start = icaltime_from_timet( time(0),0);
rtime.end = icaltime_from_timet( time(0),0);
rtime.end.hour++;
calendar = icalcomponent_new(ICAL_VCALENDAR_COMPONENT);
}
//FIXME Find all non-school days by prompt?
//FIXME Ask for start/end of semester
//Actually manipulating the calendar
while (true)
{
//Prompt for user action
cout << "What would you like to do?\n" <<
"1. Add a class\n" <<
"2. Add an event\n" <<
"3. Delete an event\n" <<
"4. Edit an event\n" <<
"5. Find an event\n" <<
"6. View an event\n" <<
"7. Delete a class\n" <<
"8. Exit the program\n" << endl;
cout << "Enter the integer corresponding to your choice" << endl;
string user_choice = "";
cin >> user_choice;
bool user_choice_flag = true;
//Check the string is all digits
for (int i = 0; i < user_choice.size(); i++)
{
if (!isdigit(user_choice[i]))
{
cout << "Invalid selection (Not all digits)" << endl;
user_choice_flag = false;
break;
}
}
if (!user_choice_flag)
{
continue;
}
//Given the choice, perform the desired action
switch (atoi(user_choice.c_str()))
{
//ADD CLASS
case 1:
{
add_class(calendar, classes);
break;
}
//ADD EVENT (for a class or in general)
case 2:
{
add_event(calendar);
break;
}
//DELETE SINGLE EVENT
case 3:
{
delete_event(calendar);
break;
}
//EDIT EVENT (class or general)
case 4:
{
edit_event(calendar);
break;
}
//FIND EVENT
case 5:
{
icalcomponent* event = find_event(calendar);
if (event == NULL)
{
append_action_to_closed_log("Find event", false);
}else
{
append_action_to_closed_log("Find event", true);
}
break;
}
//VIEW EVENT
case 6:
{
view_event(calendar);
break;
}
//DELETE CLASS
//FIXME Not implemented in this sprint
case 7:
{
//FIXME Ask for class name
//FIXME Scan through first level of components for class
//FIXME Print all matches and get the one to delete
//FIXME Warn that all events for that class will be deleted
//FIXME Delete class after user okay
cout << "This feature is not implemented in this sprint." << endl;
break;
}
//EXIT
case 8:
{
//Prompt for okay
if (yes_no_prompt("Your calendar data will not be saved. Continue? (y/n)"))
{
return 0;
}
break;
}
default:
{
cout << "Invalid selection (Not between 1 and 8 inclusive)" << endl;
break;
}
}
}
return 0;
}
static int lvchange_persistent(struct cmd_context *cmd,
struct logical_volume *lv)
{
struct lvinfo info;
int active = 0;
if (!strcmp(arg_str_value(cmd, persistent_ARG, "n"), "n")) {
if (!(lv->status & FIXED_MINOR)) {
log_error("Minor number is already not persistent "
"for \"%s\"", lv->name);
return 0;
}
lv->status &= ~FIXED_MINOR;
lv->minor = -1;
lv->major = -1;
log_verbose("Disabling persistent device number for \"%s\"",
lv->name);
} else {
if (!arg_count(cmd, minor_ARG) && lv->minor < 0) {
log_error("Minor number must be specified with -My");
return 0;
}
if (arg_count(cmd, major_ARG) > 1) {
log_error("Option -j/--major may not be repeated.");
return 0;
}
if (arg_count(cmd, minor_ARG) > 1) {
log_error("Option --minor may not be repeated.");
return 0;
}
if (!arg_count(cmd, major_ARG) && lv->major < 0) {
log_error("Major number must be specified with -My");
return 0;
}
if (lv_info(cmd, lv, 0, &info, 0, 0) && info.exists)
active = 1;
if (active && !arg_count(cmd, force_ARG) &&
yes_no_prompt("Logical volume %s will be "
"deactivated temporarily. "
"Continue? [y/n]: ", lv->name) == 'n') {
log_error("%s device number not changed.",
lv->name);
return 0;
}
if (sigint_caught())
return 0;
log_verbose("Ensuring %s is inactive.", lv->name);
if (!deactivate_lv(cmd, lv)) {
log_error("%s: deactivation failed", lv->name);
return 0;
}
lv->status |= FIXED_MINOR;
lv->minor = arg_int_value(cmd, minor_ARG, lv->minor);
lv->major = arg_int_value(cmd, major_ARG, lv->major);
log_verbose("Setting persistent device number to (%d, %d) "
"for \"%s\"", lv->major, lv->minor, lv->name);
}
log_very_verbose("Updating logical volume \"%s\" on disk(s)", lv->name);
if (!vg_write(lv->vg) || !vg_commit(lv->vg))
return_0;
backup(lv->vg);
if (active) {
log_verbose("Re-activating logical volume \"%s\"", lv->name);
if (!activate_lv(cmd, lv)) {
log_error("%s: reactivation failed", lv->name);
return 0;
}
}
return 1;
}
static int lvchange_resync(struct cmd_context *cmd,
struct logical_volume *lv)
{
int active = 0;
int monitored;
struct lvinfo info;
struct logical_volume *log_lv;
if (!(lv->status & MIRRORED)) {
log_error("Unable to resync %s because it is not mirrored.",
lv->name);
return 1;
}
if (lv->status & PVMOVE) {
log_error("Unable to resync pvmove volume %s", lv->name);
return 0;
}
if (lv->status & LOCKED) {
log_error("Unable to resync locked volume %s", lv->name);
return 0;
}
if (lv_info(cmd, lv, 0, &info, 1, 0)) {
if (info.open_count) {
log_error("Can't resync open logical volume \"%s\"",
lv->name);
return 0;
}
if (info.exists) {
if (!arg_count(cmd, yes_ARG) &&
yes_no_prompt("Do you really want to deactivate "
"logical volume %s to resync it? [y/n]: ",
lv->name) == 'n') {
log_error("Logical volume \"%s\" not resynced",
lv->name);
return 0;
}
if (sigint_caught())
return 0;
active = 1;
}
}
/* Activate exclusively to ensure no nodes still have LV active */
monitored = dmeventd_monitor_mode();
init_dmeventd_monitor(0);
if (!deactivate_lv(cmd, lv)) {
log_error("Unable to deactivate %s for resync", lv->name);
return 0;
}
if (vg_is_clustered(lv->vg) && lv_is_active(lv)) {
log_error("Can't get exclusive access to clustered volume %s",
lv->name);
return 0;
}
init_dmeventd_monitor(monitored);
log_lv = first_seg(lv)->log_lv;
log_very_verbose("Starting resync of %s%s%s mirror \"%s\"",
(active) ? "active " : "",
vg_is_clustered(lv->vg) ? "clustered " : "",
(log_lv) ? "disk-logged" : "core-logged",
lv->name);
/*
* If this mirror has a core log (i.e. !log_lv),
* then simply deactivating/activating will cause
* it to reset the sync status. We only need to
* worry about persistent logs.
*/
if (!log_lv && !(lv->status & LV_NOTSYNCED)) {
if (active && !activate_lv(cmd, lv)) {
log_error("Failed to reactivate %s to resynchronize "
"mirror", lv->name);
return 0;
}
return 1;
}
lv->status &= ~LV_NOTSYNCED;
if (log_lv) {
/* Separate mirror log so we can clear it */
detach_mirror_log(first_seg(lv));
if (!vg_write(lv->vg)) {
log_error("Failed to write intermediate VG metadata.");
if (!attach_mirror_log(first_seg(lv), log_lv))
stack;
if (active && !activate_lv(cmd, lv))
stack;
return 0;
}
if (!vg_commit(lv->vg)) {
log_error("Failed to commit intermediate VG metadata.");
if (!attach_mirror_log(first_seg(lv), log_lv))
stack;
if (active && !activate_lv(cmd, lv))
stack;
return 0;
}
backup(lv->vg);
if (!activate_lv(cmd, log_lv)) {
log_error("Unable to activate %s for mirror log resync",
log_lv->name);
return 0;
}
log_very_verbose("Clearing log device %s", log_lv->name);
if (!set_lv(cmd, log_lv, log_lv->size, 0)) {
log_error("Unable to reset sync status for %s", lv->name);
if (!deactivate_lv(cmd, log_lv))
log_error("Failed to deactivate log LV after "
"wiping failed");
return 0;
}
if (!deactivate_lv(cmd, log_lv)) {
log_error("Unable to deactivate log LV %s after wiping "
"for resync", log_lv->name);
return 0;
}
/* Put mirror log back in place */
if (!attach_mirror_log(first_seg(lv), log_lv))
stack;
}
log_very_verbose("Updating logical volume \"%s\" on disk(s)", lv->name);
if (!vg_write(lv->vg) || !vg_commit(lv->vg)) {
log_error("Failed to update metadata on disk.");
return 0;
}
if (active && !activate_lv(cmd, lv)) {
log_error("Failed to reactivate %s after resync", lv->name);
return 0;
}
return 1;
}
static int _blkid_wipe(blkid_probe probe, struct device *dev, const char *name,
uint32_t types_to_exclude, uint32_t types_no_prompt,
int yes, force_t force)
{
static const char _msg_failed_offset[] = "Failed to get offset of the %s signature on %s.";
static const char _msg_failed_length[] = "Failed to get length of the %s signature on %s.";
static const char _msg_wiping[] = "Wiping %s signature on %s.";
const char *offset = NULL, *type = NULL, *magic = NULL,
*usage = NULL, *label = NULL, *uuid = NULL;
loff_t offset_value;
size_t len;
if (!blkid_probe_lookup_value(probe, "TYPE", &type, NULL)) {
if (_type_in_flag_list(type, types_to_exclude))
return 2;
if (blkid_probe_lookup_value(probe, "SBMAGIC_OFFSET", &offset, NULL)) {
log_error(_msg_failed_offset, type, name);
return 0;
}
if (blkid_probe_lookup_value(probe, "SBMAGIC", &magic, &len)) {
log_error(_msg_failed_length, type, name);
return 0;
}
} else if (!blkid_probe_lookup_value(probe, "PTTYPE", &type, NULL)) {
if (blkid_probe_lookup_value(probe, "PTMAGIC_OFFSET", &offset, NULL)) {
log_error(_msg_failed_offset, type, name);
return 0;
}
if (blkid_probe_lookup_value(probe, "PTMAGIC", &magic, &len)) {
log_error(_msg_failed_length, type, name);
return 0;
}
usage = "partition table";
} else
return_0;
offset_value = strtoll(offset, NULL, 10);
if (!usage)
(void) blkid_probe_lookup_value(probe, "USAGE", &usage, NULL);
(void) blkid_probe_lookup_value(probe, "LABEL", &label, NULL);
(void) blkid_probe_lookup_value(probe, "UUID", &uuid, NULL);
/* Return values ignored here, in the worst case we print NULL */
log_verbose("Found existing signature on %s at offset %s: LABEL=\"%s\" "
"UUID=\"%s\" TYPE=\"%s\" USAGE=\"%s\"",
name, offset, label, uuid, type, usage);
if (!_type_in_flag_list(type, types_no_prompt)) {
if (!yes && (force == PROMPT) &&
yes_no_prompt("WARNING: %s signature detected on %s at offset %s. "
"Wipe it? [y/n]: ", type, name, offset) == 'n') {
log_error("Aborted wiping of %s.", type);
return 0;
}
log_print_unless_silent(_msg_wiping, type, name);
} else
log_verbose(_msg_wiping, type, name);
if (!dev_set(dev, offset_value, len, 0)) {
log_error("Failed to wipe %s signature on %s.", type, name);
return 0;
}
return 1;
}
int vgextend(struct cmd_context *cmd, int argc, char **argv)
{
const char *vg_name;
struct volume_group *vg = NULL;
int r = ECMD_FAILED;
struct pvcreate_params pp;
int fixed = 0, i = 0;
if (!argc) {
log_error("Please enter volume group name and "
"physical volume(s)");
return EINVALID_CMD_LINE;
}
vg_name = skip_dev_dir(cmd, argv[0], NULL);
argc--;
argv++;
if (arg_count(cmd, metadatacopies_ARG)) {
log_error("Invalid option --metadatacopies, "
"use --pvmetadatacopies instead.");
return EINVALID_CMD_LINE;
}
pvcreate_params_set_defaults(&pp);
if (!pvcreate_params_validate(cmd, argc, argv, &pp)) {
return EINVALID_CMD_LINE;
}
/*
* It is always ok to add new PVs to a VG - even if there are
* missing PVs. No LVs are affected by this operation, but
* repair processes - particularly for RAID segtypes - can
* be facilitated.
*/
cmd->handles_missing_pvs = 1;
log_verbose("Checking for volume group \"%s\"", vg_name);
vg = vg_read_for_update(cmd, vg_name, NULL, 0);
if (vg_read_error(vg)) {
release_vg(vg);
return_ECMD_FAILED;
}
if (!archive(vg))
goto_bad;
if (arg_count(cmd, restoremissing_ARG)) {
for (i = 0; i < argc; ++i) {
if (_restore_pv(vg, argv[i]))
++ fixed;
}
if (!fixed) {
log_error("No PV has been restored.");
goto bad;
}
} else { /* no --restore, normal vgextend */
if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE, NULL)) {
log_error("Can't get lock for orphan PVs");
unlock_and_release_vg(cmd, vg, vg_name);
return ECMD_FAILED;
}
if (arg_count(cmd, metadataignore_ARG) &&
(vg_mda_copies(vg) != VGMETADATACOPIES_UNMANAGED) &&
(pp.force == PROMPT) &&
yes_no_prompt("Override preferred number of copies "
"of VG %s metadata? [y/n]: ",
vg_name) == 'n') {
log_error("Volume group %s not changed", vg_name);
goto bad;
}
/* extend vg */
if (!vg_extend(vg, argc, (const char* const*)argv, &pp))
goto_bad;
if (arg_count(cmd, metadataignore_ARG) &&
(vg_mda_copies(vg) != VGMETADATACOPIES_UNMANAGED) &&
(vg_mda_copies(vg) != vg_mda_used_count(vg))) {
log_warn("WARNING: Changing preferred number of copies of VG %s "
"metadata from %"PRIu32" to %"PRIu32, vg_name,
vg_mda_copies(vg), vg_mda_used_count(vg));
vg_set_mda_copies(vg, vg_mda_used_count(vg));
}
/* ret > 0 */
log_verbose("Volume group \"%s\" will be extended by %d new "
"physical volumes", vg_name, argc);
}
/* store vg on disk(s) */
if (!vg_write(vg) || !vg_commit(vg))
goto_bad;
backup(vg);
log_print_unless_silent("Volume group \"%s\" successfully extended", vg_name);
r = ECMD_PROCESSED;
bad:
if (!arg_count(cmd, restoremissing_ARG))
unlock_vg(cmd, VG_ORPHANS);
unlock_and_release_vg(cmd, vg, vg_name);
return r;
}
void add_event(icalcomponent* calendar)
{
string class_name;
//Ask if the event is for a class
bool is_class_event = yes_no_prompt("Is this event for a class? (y/n)");
//FIXME Following not implemented in this sprint
if (is_class_event)
{
//FIXME If event for class, make sure the semester is not over
//FIXME If the semester is over, notify the user
//If event for class, prompt for class id
cout << "What is the name of this class?" << endl;
cin >> class_name;
}
//List each property field one at a time
cout << "Enter information for each of the following properties." << endl;
string all_props[] = {"ATTACH", "ATTENDEE", "CATEGORIES", "CLASS", "COMMENT", "CONTACT", "CREATED", "DESCRIPTION", "DTEND", "DTSTAMP", "DTSTART", "DURATION", "EXDATE", "EXRULE", "GEO", "LAST-MOD", "LOCATION", "ORGANIZER", "PRIORITY", "RDATE", "RECURID", "RELATED", "RESOURCES", "RRULE", "RSTATUS", "SEQ", "STATUS", "SUMMARY", "TRANSP", "UID", "URL"};
vector<string> values;
for (int i = 0; i < 31; i++)
{
cout << all_props[i] << ": ";
flush(cout);
string value = "";
getline(cin, value); //FIXME Check for failbit
//FIXME Take user input and validate
values.push_back(value);
cout << endl;
}
//If event for class, add property X-CLASS
string value = "";
if (is_class_event)
{
cout << "X-CLASS: ";
flush(cout);
getline(cin, value); //FIXME Check for failbit
//FIXME Take user input and validate
values.push_back(value);
cout << endl;
}
struct icaltimetype atime = icaltime_from_timet(time(0), 0);
//Add the values to the event
icalcomponent* event = icalcomponent_vanew(
ICAL_VEVENT_COMPONENT,
icalproperty_new_dtstamp(atime),
icalproperty_new_contact(values[5].c_str()),
icalproperty_new_comment(values[4].c_str()),
icalproperty_vanew_attach(
NULL, //FIXME is this the file encoding?
values[0].c_str(),
0
),
//FIXME icalproperty_new_duration(values[11].c_str()),
//FIXME icalproperty_new_exdate(values[13].c_str()),
//FIXME icalproperty_new_geo(values[14].c_str()),
//FIXME icalproperty_new_lastmod(values[15].c_str()),
icalproperty_new_priority(atoi(values[18].c_str())),
//FIXME icalproperty_vanew_recurid(),
//FIXME icalproperty_vanew_related(),
//FIXME icalproperty_vanew_resources(),
//FIXME icalproperty_vanew_sequence(),
//FIXME icalproperty_new_rrule(values[23].c_str()),
//FIXME icalproperty_new_status(values[26].c_str()),
//FIXME icalproperty_new_rstatus() may not exist...
/*FIXME icalproperty_vanew_rdate(
values[15].c_str(),
icalparameter_new_tzid("US-Central"), //FIXME should get timezone from user
0
),*/
/*FIXME icalproperty_vanew_exdate(
values[12].c_str(),
icalparameter_new_tzid("US-Central"), //FIXME should get timezone from user
0
),*/
//FIXME icalproperty_new_transp(values[28].c_str()),
icalproperty_new_uid(values[29].c_str()),
icalproperty_new_url(values[30].c_str()),
icalproperty_vanew_organizer(
values[17].c_str(),
icalparameter_new_role(ICAL_ROLE_CHAIR), //FIXME overwrites user settings
0
),
icalproperty_vanew_attendee(
values[1].c_str(),
icalparameter_new_role(ICAL_ROLE_REQPARTICIPANT), //FIXME overwrites user settings
//FIXME icalparameter_new_rsvp(1), //FIXME overwrites user settings
icalparameter_new_cutype(ICAL_CUTYPE_GROUP), //FIXME overwrites user settings
0
),
icalproperty_new_description(values[7].c_str()),
icalproperty_new_categories(values[2].c_str()),
icalproperty_new_class(ICAL_CLASS_PUBLIC), //FIXME overwrites user settings
icalproperty_new_created(atime), //FIXME overwrites user settings
icalproperty_new_summary(values[27].c_str()),
icalproperty_vanew_dtstart(
atime, //FIXME overwrites user settings
icalparameter_new_tzid("US-Central"), //FIXME should get timezone from user
0
),
icalproperty_vanew_dtend(
atime, //FIXME overwrites user settings
icalparameter_new_tzid("US-Central"), //FIXME should get timezone from user
0
),
icalproperty_new_location(values[16].c_str()),
0
);
if (is_class_event)
{
icalproperty* p;
icalproperty_set_x(p, value.c_str());
icalcomponent_add_property(event, p);
}
//Add component event to calendar
icalcomponent_add_component(calendar,event);
//FIXME Handle alarm threads (to be implemented later)
append_action_to_closed_log("Add Event", true);
}
static int lvremove_single(struct cmd_context *cmd, struct logical_volume *lv,
void *handle) // __attribute((unused)))
{
struct volume_group *vg;
struct lvinfo info;
struct logical_volume *origin = NULL;
vg = lv->vg;
if (!vg_check_status(vg, LVM_WRITE))
return ECMD_FAILED;
if (lv_is_origin(lv)) {
log_error("Can't remove logical volume \"%s\" under snapshot",
lv->name);
return ECMD_FAILED;
}
if (lv->status & MIRROR_IMAGE) {
log_error("Can't remove logical volume %s used by a mirror",
lv->name);
return ECMD_FAILED;
}
if (lv->status & MIRROR_LOG) {
log_error("Can't remove logical volume %s used as mirror log",
lv->name);
return ECMD_FAILED;
}
if (lv->status & LOCKED) {
log_error("Can't remove locked LV %s", lv->name);
return ECMD_FAILED;
}
/* FIXME Ensure not referred to by another existing LVs */
if (lv_info(cmd, lv, &info, 1)) {
if (info.open_count) {
log_error("Can't remove open logical volume \"%s\"",
lv->name);
return ECMD_FAILED;
}
if (info.exists && !arg_count(cmd, force_ARG)) {
if (yes_no_prompt("Do you really want to remove active "
"logical volume \"%s\"? [y/n]: ",
lv->name) == 'n') {
log_print("Logical volume \"%s\" not removed",
lv->name);
return ECMD_FAILED;
}
}
}
if (!archive(vg))
return ECMD_FAILED;
/* If the VG is clustered then make sure no-one else is using the LV
we are about to remove */
if (vg_status(vg) & CLUSTERED) {
if (!activate_lv_excl(cmd, lv)) {
log_error("Can't get exclusive access to volume \"%s\"",
lv->name);
return ECMD_FAILED;
}
}
/* FIXME Snapshot commit out of sequence if it fails after here? */
if (!deactivate_lv(cmd, lv)) {
log_error("Unable to deactivate logical volume \"%s\"",
lv->name);
return ECMD_FAILED;
}
if (lv_is_cow(lv)) {
origin = origin_from_cow(lv);
log_verbose("Removing snapshot %s", lv->name);
if (!vg_remove_snapshot(lv)) {
stack;
return ECMD_FAILED;
}
}
log_verbose("Releasing logical volume \"%s\"", lv->name);
if (!lv_remove(lv)) {
log_error("Error releasing logical volume \"%s\"", lv->name);
return ECMD_FAILED;
}
/* store it on disks */
if (!vg_write(vg))
return ECMD_FAILED;
backup(vg);
if (!vg_commit(vg))
return ECMD_FAILED;
/* If no snapshots left, reload without -real. */
if (origin && !lv_is_origin(origin)) {
if (!suspend_lv(cmd, origin))
log_error("Failed to refresh %s without snapshot.", origin->name);
else if (!resume_lv(cmd, origin))
log_error("Failed to resume %s.", origin->name);
}
log_print("Logical volume \"%s\" successfully removed", lv->name);
return ECMD_PROCESSED;
}
/*
* Decide whether it is "safe" to wipe the labels on this device.
* 0 indicates we may not.
*/
static int pvremove_check(struct cmd_context *cmd, const char *name)
{
struct physical_volume *pv;
struct dm_list mdas;
dm_list_init(&mdas);
/* FIXME Check partition type is LVM unless --force is given */
/* Is there a pv here already? */
/* If not, this is an error unless you used -f. */
if (!(pv = pv_read(cmd, name, &mdas, NULL, 1, 0))) {
if (arg_count(cmd, force_ARG))
return 1;
log_error("Physical Volume %s not found", name);
return 0;
}
/*
* If a PV has no MDAs it may appear to be an
* orphan until the metadata is read off
* another PV in the same VG. Detecting this
* means checking every VG by scanning every
* PV on the system.
*/
if (is_orphan(pv) && !dm_list_size(&mdas)) {
if (!scan_vgs_for_pvs(cmd)) {
log_error("Rescan for PVs without metadata areas "
"failed.");
return 0;
}
if (!(pv = pv_read(cmd, name, NULL, NULL, 1, 0))) {
log_error("Failed to read physical volume %s", name);
return 0;
}
}
/* orphan ? */
if (is_orphan(pv))
return 1;
/* Allow partial & exported VGs to be destroyed. */
/* we must have -ff to overwrite a non orphan */
if (arg_count(cmd, force_ARG) < 2) {
log_error("Can't pvremove physical volume \"%s\" of "
"volume group \"%s\" without -ff", name, pv_vg_name(pv));
return 0;
}
/* prompt */
if (!arg_count(cmd, yes_ARG) &&
yes_no_prompt(_really_wipe, name, pv_vg_name(pv)) == 'n') {
log_error("%s: physical volume label not removed", name);
return 0;
}
if (arg_count(cmd, force_ARG)) {
log_warn("WARNING: Wiping physical volume label from "
"%s%s%s%s", name,
!is_orphan(pv) ? " of volume group \"" : "",
!is_orphan(pv) ? pv_vg_name(pv) : "",
!is_orphan(pv) ? "\"" : "");
}
return 1;
}
/*
* Decide whether it is "safe" to wipe the labels on this device.
* 0 indicates we may not.
*/
static int pvremove_check(struct cmd_context *cmd, const char *name)
{
struct physical_volume *pv;
/* FIXME Check partition type is LVM unless --force is given */
/* Is there a pv here already? */
/* If not, this is an error unless you used -f. */
if (!(pv = pv_read(cmd, name, 1, 0))) {
if (arg_count(cmd, force_ARG))
return 1;
log_error("Physical Volume %s not found", name);
return 0;
}
/*
* If a PV has no MDAs it may appear to be an
* orphan until the metadata is read off
* another PV in the same VG. Detecting this
* means checking every VG by scanning every
* PV on the system.
*/
if (is_orphan(pv) && !dm_list_size(&pv->fid->metadata_areas_in_use) &&
!dm_list_size(&pv->fid->metadata_areas_ignored)) {
if (!scan_vgs_for_pvs(cmd, 0)) {
log_error("Rescan for PVs without metadata areas "
"failed.");
goto bad;
}
free_pv_fid(pv);
if (!(pv = pv_read(cmd, name, 1, 0))) {
log_error("Failed to read physical volume %s", name);
goto bad;
}
}
/* orphan ? */
if (is_orphan(pv)) {
free_pv_fid(pv);
return 1;
}
/* Allow partial & exported VGs to be destroyed. */
/* we must have -ff to overwrite a non orphan */
if (arg_count(cmd, force_ARG) < 2) {
log_error("PV %s belongs to Volume Group %s so please use vgreduce first.", name, pv_vg_name(pv));
log_error("(If you are certain you need pvremove, then confirm by using --force twice.)");
goto bad;
}
/* prompt */
if (!arg_count(cmd, yes_ARG) &&
yes_no_prompt(_really_wipe, name, pv_vg_name(pv)) == 'n') {
log_error("%s: physical volume label not removed", name);
goto bad;
}
if (arg_count(cmd, force_ARG)) {
log_warn("WARNING: Wiping physical volume label from "
"%s%s%s%s", name,
!is_orphan(pv) ? " of volume group \"" : "",
!is_orphan(pv) ? pv_vg_name(pv) : "",
!is_orphan(pv) ? "\"" : "");
}
free_pv_fid(pv);
return 1;
bad:
free_pv_fid(pv);
return 0;
}
/*
* See if we may pvcreate on this device.
* 0 indicates we may not.
*/
static int pvcreate_check(struct cmd_context *cmd, const char *name)
{
struct physical_volume *pv;
struct device *dev;
uint64_t md_superblock;
/* is the partition type set correctly ? */
if ((arg_count(cmd, force_ARG) < 1) && !is_lvm_partition(name)) {
log_error("%s: Not LVM partition type: use -f to override",
name);
return 0;
}
/* Is there a pv here already? */
/* FIXME Use partial mode here? */
pv = pv_read(cmd, name, NULL, NULL, 0);
/* Allow partial & exported VGs to be destroyed. */
/* We must have -ff to overwrite a non orphan */
if (pv && !is_orphan(pv) && arg_count(cmd, force_ARG) != 2) {
log_error("Can't initialize physical volume \"%s\" of "
"volume group \"%s\" without -ff", name, pv_vg_name(pv));
return 0;
}
/* prompt */
if (pv && !is_orphan(pv) && !arg_count(cmd, yes_ARG) &&
yes_no_prompt(_really_init, name, pv_vg_name(pv)) == 'n') {
log_print("%s: physical volume not initialized", name);
return 0;
}
if (sigint_caught())
return 0;
dev = dev_cache_get(name, cmd->filter);
/* Is there an md superblock here? */
if (!dev && md_filtering()) {
unlock_vg(cmd, ORPHAN);
persistent_filter_wipe(cmd->filter);
lvmcache_destroy();
init_md_filtering(0);
if (!lock_vol(cmd, ORPHAN, LCK_VG_WRITE)) {
log_error("Can't get lock for orphan PVs");
init_md_filtering(1);
return 0;
}
dev = dev_cache_get(name, cmd->filter);
init_md_filtering(1);
}
if (!dev) {
log_error("Device %s not found (or ignored by filtering).", name);
return 0;
}
if (!dev_test_excl(dev)) {
log_error("Can't open %s exclusively. Mounted filesystem?",
name);
return 0;
}
/* Wipe superblock? */
if (dev_is_md(dev, &md_superblock) &&
((!arg_count(cmd, uuidstr_ARG) &&
!arg_count(cmd, restorefile_ARG)) ||
arg_count(cmd, yes_ARG) ||
(yes_no_prompt("Software RAID md superblock "
"detected on %s. Wipe it? [y/n] ", name) == 'y'))) {
log_print("Wiping software RAID md superblock on %s", name);
if (!dev_set(dev, md_superblock, 4, 0)) {
log_error("Failed to wipe RAID md superblock on %s",
name);
return 0;
}
}
if (sigint_caught())
return 0;
if (pv && !is_orphan(pv) && arg_count(cmd, force_ARG)) {
log_warn("WARNING: Forcing physical volume creation on "
"%s%s%s%s", name,
!is_orphan(pv) ? " of volume group \"" : "",
!is_orphan(pv) ? pv_vg_name(pv) : "",
!is_orphan(pv) ? "\"" : "");
}
return 1;
}
