create-user

   1 #!/bin/bash -ex
   2
   3 # MUST be executed:
   4 #  - on deleuze
   5 #  - as a user with an /etc/sudoers line
   6 #  - member of "wheel" unix group on deleuze
   7 #  - while holding tickets for a user who can 'ssh -K' to mire
   8 #     - and is a member of "wheel" on mire
   9 #  - while holding tokens for a user who is:
  10 #     - a member of system:administrator
  11 #     - listed in 'bos listusers deleuze'
  12
  13 USER=$1
  14
  15 export PATH=$PATH:/afs/hcoop.net/common/bin/
  16
  17 if test -z "$USER"; then
  18         echo "Invoke as create-user <USERNAME>"
  19         exit 1
  20 fi
  21
  22
  23 #
  24 # Kerberos principals
  25 # (creat kerberos principals: fred, fred/cgi, fred/mailfilter)
  26 #
  27
  28 # We use -randkey for user's main principal as well, to make sure that
  29 # the creation process does not continue without having a main
  30 # principal. (But you who want to set password for a user, don't
  31 # worry - we'll invoke cpw later, so that it has the same effect
  32 # as setting password right now - while it is more error tolerant).
  33
  34 sudo kadmin.local -p root/admin -q "ank -policy user -randkey +requires_preauth $USER@HCOOP.NET"
  35 sudo kadmin.local -p root/admin -q "modprinc -maxlife 1day $USER@HCOOP.NET"
  36 sudo kadmin.local -p root/admin -q "ank -policy daemon -randkey +requires_preauth $USER/daemon@HCOOP.NET"
  37
  38 #
  39 # Create AFS users corresponding to krb5 principals.
  40 # (fred/cgi principal == fred.cgi AFS user)
  41 #
  42
  43 pts cu $USER || true
  44 ID=`pts examine $USER | head -n1 | sed 's_.*, id: *__' | sed 's_,.*__'`
  45 pts cu $USER.daemon || true
  46 ID_DAEMON=`pts examine $USER.daemon | head -n1 | sed 's_.*, id: *__' | sed 's_,.*__'`
  47
  48
  49 #
  50 # Construct various paths for later perusal.
  51 #
  52
  53 # (If it's not clear, for user fred, PATHBITS = f/fr/fred)
  54 PATHBITS=`echo $USER | head -c 1`/`echo $USER | head -c 2`/$USER
  55 HOMEPATH=/afs/hcoop.net/user/$PATHBITS
  56 MAILPATH=/afs/hcoop.net/common/email/$PATHBITS
  57 DBPATH=/afs/hcoop.net/common/.databases/$PATHBITS
  58 PGDIR=$DBPATH/postgres
  59 MYSQLDIR=$DBPATH/mysql
  60
  61
  62 #
  63 # Create LDAP entries. (With the whole libnss-ptdb, I kind of
  64 # lost the idea of what I want to do with LDAP, but we'll
  65 # see with time how well it integrates...)
  66 # The ID returned from AFS is important here, we want to make
  67 # sure those IDs match.
  68 #
  69
  70 # USER entry
  71 echo "
  72 dn: uid=$USER,ou=People,dc=hcoop,dc=net
  73 objectClass: top
  74 objectClass: person
  75 objectClass: posixAccount
  76 cn: $USER
  77 uid: $USER
  78 gidNumber: $ID
  79 sn: $USER
  80 host: abulafia
  81 host: mire
  82
  83 dn: cn=$USER,ou=Group,dc=hcoop,dc=net
  84 objectClass: top
  85 objectClass: posixGroup
  86 cn: $USER
  87 gidNumber: $ID
  88 memberUid: $USER
  89 " | sudo ldapadd -x -D cn=admin,dc=hcoop,dc=net -y /etc/ldap.secret || true
  90
  91 # USER.daemon entry
  92 echo "
  93 dn: uid=$USER.daemon,ou=People,dc=hcoop,dc=net
  94 objectClass: top
  95 objectClass: person
  96 objectClass: posixAccount
  97 cn: $USER.daemon
  98 uid: $USER.daemon
  99 gidNumber: $ID_DAEMON
 100 sn: $USER.daemon
 101
 102 dn: cn=$USER.daemon,ou=Group,dc=hcoop,dc=net
 103 objectClass: top
 104 objectClass: posixGroup
 105 cn: $USER.daemon
 106 gidNumber: $ID_DAEMON
 107 memberUid: $USER.daemon
 108 " | sudo ldapadd -x -D cn=admin,dc=hcoop,dc=net -y /etc/ldap.secret || true
 109
 110
 111 #
 112 # Export .mailfilter and .cgi keys to a keytab file
 113 #
 114
 115 # create a daemon keytab (used by /etc/exim4/get-token)
 116 # *only* if it does not exist!
 117 test -e /etc/keytabs/user.daemon/$USER || \
 118   sudo kadmin.local -p root/admin -q "ktadd -k /etc/keytabs/user.daemon/$USER $USER/daemon@HCOOP.NET"
 119
 120 # Properly chown/mod keytab files (must be $USER:www-data)
 121 sudo chown $USER:www-data /etc/keytabs/user.daemon/$USER
 122 sudo chmod 440            /etc/keytabs/user.daemon/$USER
 123
 124 # rsync keytabs to mire
 125 (cd /etc/keytabs
 126    sudo tar clpf - user.daemon/$USER | \
 127      ssh mire.hcoop.net cd /etc/keytabs\; sudo tar xlpf -)
 128
 129 #
 130 # Create/mount/set-perms on user's volumes (home, mail, databases, logs)
 131 #
 132
 133 # HOME VOLUME
 134 vos examine user.$USER 2>/dev/null || \
 135   vos create deleuze.hcoop.net /vicepa user.$USER -maxquota 400000
 136 mkdir -p `dirname $HOMEPATH`
 137 fs ls $HOMEPATH || fs mkm $HOMEPATH user.$USER
 138 chown $USER $HOMEPATH
 139 fs sa $HOMEPATH $USER            all
 140 fs sa $HOMEPATH system:anyuser   l
 141
 142 # Apache logs
 143 mkdir -p $HOMEPATH/logs/apache
 144 fs sa    $HOMEPATH/logs/apache $USER.daemon rlwidk
 145
 146 # public_html
 147 mkdir -p $HOMEPATH/public_html/
 148 fs sa $HOMEPATH/public_html system:anyuser rl
 149 mkdir -p $HOMEPATH/.procmail.d/
 150 fs sa $HOMEPATH/.procmail.d/ system:anyuser rl
 151 mkdir -p $HOMEPATH/.public/
 152 fs sa $HOMEPATH/.public/ system:anyuser rl
 153 mkdir -p $HOMEPATH/.public/.domtool/
 154 test -e $HOMEPATH/.domtool || \
 155     test -L $HOMEPATH/.domtool || \
 156         ln -s $HOMEPATH/.public/.domtool $HOMEPATH/.domtool
 157
 158 # MAIL VOLUME
 159 vos examine mail.$USER 2>/dev/null || \
 160   vos create deleuze.hcoop.net /vicepa mail.$USER -maxquota 400000
 161 mkdir -p `dirname $MAILPATH`
 162 fs ls $MAILPATH || fs mkm $MAILPATH         mail.$USER
 163 fs ls $HOMEPATH/Maildir || fs mkm $HOMEPATH/Maildir mail.$USER
 164 fs sa $MAILPATH $USER        all
 165 fs sa $MAILPATH $USER.daemon all
 166
 167 # DATABASE VOLUME
 168 if ! vos examine db.$USER >/dev/null 2>/dev/null; then
 169   mkdir -p `dirname /afs/.hcoop.net/common/.databases/$PATHBITS`
 170   vos create -server afs -partition a -name db.$USER -maxquota 400000
 171   fs mkmount -dir /afs/.hcoop.net/common/.databases/$PATHBITS -vol db.$USER -rw
 172   vos release common.databases
 173   fs sa -dir $DBPATH -acl system:postgres l
 174   fs sa -dir $DBPATH -acl system:mysql    l
 175   fs sa -dir $DBPATH -acl system:backup   rl
 176 fi
 177
 178 # Create postgres user and tablespace placeholder within volume
 179 if ! [ -d $PGDIR ]; then
 180   mkdir -p $PGDIR
 181   chown postgres:postgres $PGDIR
 182   fs sa -dir $PGDIR -acl system:postgres write
 183
 184  sudo -u postgres psql -c "CREATE TABLESPACE user_$USER OWNER postgres LOCATION '$PGDIR'" template1
 185 fi
 186
 187 # Create mysql user and databases placeholder within volume
 188 mkdir -p $MYSQLDIR
 189 chown mysql:mysql $MYSQLDIR
 190 fs sa -dir $MYSQLDIR -acl system:mysql  write
 191
 192
 193 #
 194 # Mount points for backup volumes
 195 #
 196
 197 mkdir -p `dirname /afs/hcoop.net/.old/user/$PATHBITS`
 198 mkdir -p `dirname /afs/hcoop.net/.old/mail/$PATHBITS`
 199 fs ls /afs/hcoop.net/.old/user/$PATHBITS || \
 200   fs mkm /afs/hcoop.net/.old/user/$PATHBITS user.$USER.backup
 201 fs ls /afs/hcoop.net/.old/mail/$PATHBITS || \
 202   fs mkm /afs/hcoop.net/.old/mail/$PATHBITS mail.$USER.backup
 203 vos release old
 204
 205 # technically this might not be necessary, but for good measure...
 206 vos syncserv deleuze
 207 vos syncvldb deleuze
 208
 209 # refresh volume location cache (takes ~2hrs otherwise)
 210 fs checkvolumes
 211 ssh mire.hcoop.net fs checkvolumes
 212
 213 # Technically this is not idempotent.  This is not *too* bad because
 214 # of the fact that in AFS non-system:administrators users can't change
 215 # the group/owner of a file anyways.  However, users still might want
 216 # to know which other users created certain files (in, say, a dropbox
 217 # or something like that).  FIMXE.
 218 chown -R $USER:nogroup $HOMEPATH
 219 chown -R $USER:nogroup $MAILPATH