]> git.ipfire.org Git - thirdparty/mdadm.git/blobdiff - mdadm.c
Centralise code for copying uuid
[thirdparty/mdadm.git] / mdadm.c
diff --git a/mdadm.c b/mdadm.c
index ff656e4122ded98049311f0fff9e4f902e87b27b..b5dce73af2482ebd4123aefa103aef0a1612e00f 100644 (file)
--- a/mdadm.c
+++ b/mdadm.c
@@ -75,6 +75,7 @@ int main(int argc, char *argv[])
        int force = 0;
        int test = 0;
        int assume_clean = 0;
+       char *symlinks = NULL;
        /* autof indicates whether and how to create device node.
         * bottom 3 bits are style.  Rest (when shifted) are number of parts
         * 0  - unset
@@ -100,6 +101,7 @@ int main(int argc, char *argv[])
        int re_add = 0;
        char *shortopt = short_options;
        int dosyslog = 0;
+       int auto_update_home = 0;
 
        int copies;
        int print_help = 0;
@@ -177,7 +179,7 @@ int main(int argc, char *argv[])
                case 'a':
                case 'r':
                case 'f':
-               case 6: /* re-add */
+               case ReAdd: /* re-add */
                        if (!mode) {
                                newmode = MANAGE;
                                shortopt = short_bitmap_auto_options;
@@ -199,6 +201,7 @@ int main(int argc, char *argv[])
                case 'S':
                case 'o':
                case 'w':
+               case 'W':
                case 'K': if (!mode) newmode = MISC; break;
                }
                if (mode && newmode == mode) {
@@ -315,6 +318,9 @@ int main(int argc, char *argv[])
                        }
                        continue;
 
+               case O(ASSEMBLE,AutoHomeHost):
+                       auto_update_home = 1;
+                       continue;
                case O(CREATE,'e'):
                case O(ASSEMBLE,'e'):
                case O(MISC,'e'): /* set metadata (superblock) information */
@@ -495,6 +501,12 @@ int main(int argc, char *argv[])
                        autof = parse_auto(optarg, "--auto flag", 0);
                        continue;
 
+               case O(CREATE,Symlinks):
+               case O(BUILD,Symlinks):
+               case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */
+                       symlinks = optarg;
+                       continue;
+
                case O(BUILD,'f'): /* force honouring '-n 1' */
                case O(GROW,'f'): /* ditto */
                case O(CREATE,'f'): /* force honouring of device list */
@@ -504,6 +516,7 @@ int main(int argc, char *argv[])
                        continue;
 
                        /* now for the Assemble options */
+               case O(CREATE,'u'): /* uuid of array */
                case O(ASSEMBLE,'u'): /* uuid of array */
                        if (ident.uuid_set) {
                                fprintf(stderr, Name ": uuid cannot be set twice.  "
@@ -571,6 +584,8 @@ int main(int argc, char *argv[])
                                continue;
                        if (strcmp(update, "homehost")==0)
                                continue;
+                       if (strcmp(update, "devicesize")==0)
+                               continue;
                        if (strcmp(update, "byteorder")==0) {
                                if (ss) {
                                        fprintf(stderr, Name ": must not set metadata type with --update=byteorder.\n");
@@ -585,7 +600,13 @@ int main(int argc, char *argv[])
 
                                continue;
                        }
-                       fprintf(stderr, Name ": '--update %s' invalid.  Only 'sparc2.2', 'super-minor', 'uuid', 'resync' or 'summaries' supported\n",update);
+                       if (strcmp(update,"?") == 0 || strcmp(update, "help") == 0)
+                               fprintf(stderr, Name ": ");
+                       else
+                               fprintf(stderr, Name ": '--update=%s' is invalid.  ", update);
+                       fprintf(stderr, "Valid --update options are:\n"
+               "     'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',\n"
+               "     'summaries', 'homehost', 'byteorder', 'devicesize'.\n");
                        exit(2);
 
                case O(ASSEMBLE,NoDegraded): /* --no-degraded */
@@ -601,6 +622,7 @@ int main(int argc, char *argv[])
                                exit(2);
                        }
                        configfile = optarg;
+                       set_conffile(configfile);
                        /* FIXME possibly check that config file exists.  Even parse it */
                        continue;
                case O(ASSEMBLE,'s'): /* scan */
@@ -722,6 +744,7 @@ int main(int argc, char *argv[])
                case O(MISC,'X'):
                case O(MISC,'o'):
                case O(MISC,'w'):
+               case O(MISC,'W'):
                        if (devmode && devmode != opt &&
                            (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) {
                                fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n",
@@ -853,6 +876,19 @@ int main(int argc, char *argv[])
                fputs(Usage, stderr);
                exit(2);
        }
+
+       if (symlinks) {
+               struct createinfo *ci = conf_get_create_info();
+
+               if (strcasecmp(symlinks, "yes") == 0)
+                       ci->symlinks = 1;
+               else if (strcasecmp(symlinks, "no") == 0)
+                       ci->symlinks = 0;
+               else {
+                       fprintf(stderr, Name ": option --symlinks must be 'no' or 'yes'\n");
+                       exit(2);
+               }
+       }
        /* Ok, got the option parsing out of the way
         * hopefully it's mostly right but there might be some stuff
         * missing
@@ -873,7 +909,7 @@ int main(int argc, char *argv[])
                        fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n");      
                        exit(2);
                }
-               if (mode == MANAGE && runstop < 0)
+               if (mode == MANAGE || mode == GROW)
                        autof=1; /* Don't create */
                mdfd = open_mddev(devlist->devname, autof);
                if (mdfd < 0)
@@ -907,7 +943,7 @@ int main(int argc, char *argv[])
        }
 
        if (homehost == NULL)
-               homehost = conf_get_homehost(configfile);
+               homehost = conf_get_homehost();
        if (homehost && strcmp(homehost, "<system>")==0) {
                if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) {
                        sys_hostname[sizeof(sys_hostname)-1] = 0;
@@ -927,13 +963,13 @@ int main(int argc, char *argv[])
                if (!rv && readonly < 0)
                        rv = Manage_ro(devlist->devname, mdfd, readonly);
                if (!rv && runstop)
-                       rv = Manage_runstop(devlist->devname, mdfd, runstop, 0);
+                       rv = Manage_runstop(devlist->devname, mdfd, runstop, quiet);
                break;
        case ASSEMBLE:
                if (devs_found == 1 && ident.uuid_set == 0 &&
                    ident.super_minor == UnSet && ident.name[0] == 0 && !scan ) {
                        /* Only a device has been given, so get details from config file */
-                       mddev_ident_t array_ident = conf_get_ident(configfile, devlist->devname);
+                       mddev_ident_t array_ident = conf_get_ident(devlist->devname);
                        if (array_ident == NULL) {
                                fprintf(stderr, Name ": %s not identified in config file.\n",
                                        devlist->devname);
@@ -944,14 +980,14 @@ int main(int argc, char *argv[])
                                if (mdfd < 0)
                                        rv |= 1;
                                else {
-                                       rv |= Assemble(ss, devlist->devname, mdfd, array_ident, configfile,
+                                       rv |= Assemble(ss, devlist->devname, mdfd, array_ident,
                                                       NULL, backup_file,
                                                       readonly, runstop, update, homehost, verbose-quiet, force);
                                        close(mdfd);
                                }
                        }
                } else if (!scan)
-                       rv = Assemble(ss, devlist->devname, mdfd, &ident, configfile,
+                       rv = Assemble(ss, devlist->devname, mdfd, &ident,
                                      devlist->next, backup_file,
                                      readonly, runstop, update, homehost, verbose-quiet, force);
                else if (devs_found>0) {
@@ -964,7 +1000,7 @@ int main(int argc, char *argv[])
                                exit(1);
                        }
                        for (dv = devlist ; dv ; dv=dv->next) {
-                               mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname);
+                               mddev_ident_t array_ident = conf_get_ident(dv->devname);
                                if (array_ident == NULL) {
                                        fprintf(stderr, Name ": %s not identified in config file.\n",
                                                dv->devname);
@@ -977,14 +1013,14 @@ int main(int argc, char *argv[])
                                        rv |= 1;
                                        continue;
                                }
-                               rv |= Assemble(ss, dv->devname, mdfd, array_ident, configfile,
+                               rv |= Assemble(ss, dv->devname, mdfd, array_ident,
                                               NULL, backup_file,
                                               readonly, runstop, update, homehost, verbose-quiet, force);
                                close(mdfd);
                        }
                } else {
-                       mddev_ident_t array_list =  conf_get_ident(configfile, NULL);
-                       mddev_dev_t devlist = conf_get_devs(configfile);
+                       mddev_ident_t array_list =  conf_get_ident(NULL);
+                       mddev_dev_t devlist = conf_get_devs();
                        int cnt = 0;
                        if (devlist == NULL) {
                                fprintf(stderr, Name ": No devices listed in conf file were found.\n");
@@ -1008,11 +1044,11 @@ int main(int argc, char *argv[])
                                }
                                if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0)
                                        /* already assembled, skip */
-                                       ;
+                                       cnt++;
                                else {
                                        rv |= Assemble(ss, array_list->devname, mdfd,
-                                                      array_list, configfile,
-                                                      devlist, NULL,
+                                                      array_list,
+                                                      NULL, NULL,
                                                       readonly, runstop, NULL, homehost, verbose-quiet, force);
                                        if (rv == 0) cnt++;
                                }
@@ -1030,17 +1066,38 @@ int main(int argc, char *argv[])
                                        acnt = 0;
                                        do {
                                                rv2 = Assemble(ss, NULL, -1,
-                                                              &ident, configfile,
-                                                              devlist, NULL,
+                                                              &ident,
+                                                              NULL, NULL,
                                                               readonly, runstop, NULL, homehost, verbose-quiet, force);
                                                if (rv2==0) {
                                                        cnt++;
                                                        acnt++;
                                                }
+                                               if (rv2 == 1)
+                                                       /* found something so even though assembly failed  we
+                                                        * want to avoid auto-updates
+                                                        */
+                                                       auto_update_home = 0;
                                        } while (rv2!=2);
                                        /* Incase there are stacked devices, we need to go around again */
-                                       devlist = conf_get_devs(configfile);
                                } while (acnt);
+                               if (cnt == 0 && auto_update_home && homehost) {
+                                       /* Nothing found, maybe we need to bootstrap homehost info */
+                                       do {
+                                               acnt = 0;
+                                               do {
+                                                       rv2 = Assemble(ss, NULL, -1,
+                                                                      &ident,
+                                                                      NULL, NULL,
+                                                                      readonly, runstop, "homehost", homehost, verbose-quiet, force);
+                                                       if (rv2==0) {
+                                                               cnt++;
+                                                               acnt++;
+                                                       }
+                                               } while (rv2!=2);
+                                               /* Incase there are stacked devices, we need to go around again */
+                                       } while (acnt);
+                               }
                                if (cnt == 0 && rv == 0) {
                                        fprintf(stderr, Name ": No arrays found in config file or automatically\n");
                                        rv = 1;
@@ -1080,22 +1137,24 @@ int main(int argc, char *argv[])
 
                rv = Create(ss, devlist->devname, mdfd, chunk, level, layout, size<0 ? 0 : size,
                            raiddisks, sparedisks, ident.name, homehost,
+                           ident.uuid_set ? ident.uuid : NULL,
                            devs_found-1, devlist->next, runstop, verbose-quiet, force, assume_clean,
                            bitmap_file, bitmap_chunk, write_behind, delay);
                break;
        case MISC:
-
                if (devmode == 'E') {
                        if (devlist == NULL && !scan) {
                                fprintf(stderr, Name ": No devices to examine\n");
                                exit(2);
                        }
                        if (devlist == NULL)
-                               devlist = conf_get_devs(configfile);
+                               devlist = conf_get_devs();
                        if (devlist == NULL) {
                                fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile);
                                exit(1);
                        }
+                       if (brief && verbose)
+                               brief = 2;
                        rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, scan, SparcAdjust, ss, homehost);
                } else {
                        if (devlist == NULL) {
@@ -1137,7 +1196,7 @@ int main(int argc, char *argv[])
                                                        }
                                                        mdfd = open_mddev(name, 1);
                                                        if (mdfd >= 0) {
-                                                               if (Manage_runstop(name, mdfd, -1, !last))
+                                                               if (Manage_runstop(name, mdfd, -1, quiet?1:last?0:-1))
                                                                        err = 1;
                                                                else
                                                                        progress = 1;
@@ -1163,14 +1222,16 @@ int main(int argc, char *argv[])
                                        rv |= Query(dv->devname); continue;
                                case 'X':
                                        rv |= ExamineBitmap(dv->devname, brief, ss); continue;
+                               case 'W':
+                                       rv |= Wait(dv->devname); continue;
                                }
                                mdfd = open_mddev(dv->devname, 1);
                                if (mdfd>=0) {
                                        switch(dv->disposition) {
                                        case 'R':
-                                               rv |= Manage_runstop(dv->devname, mdfd, 1, 0); break;
+                                               rv |= Manage_runstop(dv->devname, mdfd, 1, quiet); break;
                                        case 'S':
-                                               rv |= Manage_runstop(dv->devname, mdfd, -1, 0); break;
+                                               rv |= Manage_runstop(dv->devname, mdfd, -1, quiet); break;
                                        case 'o':
                                                rv |= Manage_ro(dv->devname, mdfd, 1); break;
                                        case 'w':
@@ -1195,7 +1256,7 @@ int main(int argc, char *argv[])
                }
                rv= Monitor(devlist, mailaddr, program,
                            delay?delay:60, daemonise, scan, oneshot,
-                           dosyslog, configfile, test, pidfile);
+                           dosyslog, test, pidfile);
                break;
 
        case GROW: