2 # Copyright (C) The Arvados Authors. All rights reserved.
4 # SPDX-License-Identifier: Apache-2.0
7 # Migration tool for merging user accounts belonging to the same user
8 # but on separate clusters to use a single user account managed by a
11 # If you're working on this, see
12 # arvados/sdk/python/tests/fed-migrate/README for information about
13 # the testing infrastructure.
24 from arvados._version import __version__
31 def connect_clusters(args):
36 print("Reading %s" % args.tokens)
37 with open(args.tokens, "rt") as f:
38 for r in csv.reader(f):
43 print("Contacting %s" % (host))
44 arv = arvados.api(host=host, token=token, cache=False)
45 clusters[arv._rootDesc["uuidPrefix"]] = arv
47 arv = arvados.api(cache=False)
48 rh = arv._rootDesc["remoteHosts"]
49 tok = arv.api_client_authorizations().current().execute()
50 token = "v2/%s/%s" % (tok["uuid"], tok["api_token"])
52 for k,v in rh.items():
53 arv = arvados.api(host=v, token=token, cache=False, insecure=os.environ.get("ARVADOS_API_HOST_INSECURE"))
56 for _, arv in clusters.items():
57 config = arv.configs().get().execute()
58 if config["Login"]["LoginCluster"] != "" and loginCluster is None:
59 loginCluster = config["Login"]["LoginCluster"]
61 print("Checking that the federation is well connected")
62 for arv in clusters.values():
63 config = arv.configs().get().execute()
64 if loginCluster and config["Login"]["LoginCluster"] != loginCluster and config["ClusterID"] != loginCluster:
65 errors.append("Inconsistent login cluster configuration, expected '%s' on %s but was '%s'" % (loginCluster, config["ClusterID"], config["Login"]["LoginCluster"]))
68 if arv._rootDesc["revision"] < "20190926":
69 errors.append("Arvados API server revision on cluster '%s' is too old, must be updated to at least Arvados 1.5 before running migration." % config["ClusterID"])
73 cur = arv.users().current().execute()
74 except arvados.errors.ApiError as e:
75 errors.append("checking token for %s %s" % (arv._rootDesc["rootUrl"], e))
78 if not cur["is_admin"]:
79 errors.append("User %s is not admin on %s" % (cur["uuid"], arv._rootDesc["uuidPrefix"]))
83 if r != arv._rootDesc["uuidPrefix"] and r not in arv._rootDesc["remoteHosts"]:
84 errors.append("%s is missing from remoteHosts of %s" % (r, arv._rootDesc["uuidPrefix"]))
85 for r in arv._rootDesc["remoteHosts"]:
86 if r != "*" and r not in clusters:
87 print("WARNING: %s is federated with %s but %s is missing from the tokens file or the token is invalid" % (arv._rootDesc["uuidPrefix"], r, r))
89 return clusters, errors, loginCluster
92 def fetch_users(clusters, loginCluster):
98 for c, arv in clusters.items():
99 print("Getting user list from %s" % c)
100 ul = arvados.util.list_all(arv.users().list)
102 if l["uuid"].startswith(c):
105 # Users list is sorted by email
106 # Go through users and collect users with same email
107 # when we see a different email (or get to the end)
108 # call add_accum_rows() to generate the report rows with
109 # the "home cluster" set, and also fill in the by_email table.
111 users = sorted(users, key=lambda u: u["email"]+"::"+(u["username"] or "")+"::"+u["uuid"])
116 def add_accum_rows():
119 uuids = set(a["uuid"] for a in accum)
120 homeuuid = ((len(uuids) == 1) and uuids.pop()) or ""
122 r = (a["email"], a["username"], a["uuid"], loginCluster or homeuuid[0:5])
123 by_email.setdefault(a["email"], {})
124 by_email[a["email"]][a["uuid"]] = r
125 homeuuid_and_username = "%s::%s" % (r[HOMECLUSTER], a["username"])
126 if homeuuid_and_username not in by_username:
127 by_username[homeuuid_and_username] = a["email"]
128 elif by_username[homeuuid_and_username] != a["email"]:
129 print("ERROR: the username '%s' is listed for both '%s' and '%s' on cluster '%s'" % (r[USERNAME], r[EMAIL], by_username[homeuuid_and_username], r[HOMECLUSTER]))
134 if u["uuid"].endswith("-anonymouspublic") or u["uuid"].endswith("-000000000000000"):
136 if lastemail == None:
137 lastemail = u["email"]
138 if u["email"] == lastemail:
142 lastemail = u["email"]
147 return rows, by_email, by_username
150 def read_migrations(args, by_email, by_username):
152 with open(args.migrate or args.dry_run, "rt") as f:
153 for r in csv.reader(f):
154 if r[EMAIL] == "email":
156 by_email.setdefault(r[EMAIL], {})
157 by_email[r[EMAIL]][r[UUID]] = r
159 homeuuid_and_username = "%s::%s" % (r[HOMECLUSTER], r[USERNAME])
160 if homeuuid_and_username not in by_username:
161 by_username[homeuuid_and_username] = r[EMAIL]
162 elif by_username[homeuuid_and_username] != r[EMAIL]:
163 print("ERROR: the username '%s' is listed for both '%s' and '%s' on cluster '%s'" % (r[USERNAME], r[EMAIL], by_username[homeuuid_and_username], r[HOMECLUSTER]))
169 def update_username(args, email, user_uuid, username, migratecluster, migratearv):
170 print("(%s) Updating username of %s to '%s' on %s" % (email, user_uuid, username, migratecluster))
173 conflicts = migratearv.users().list(filters=[["username", "=", username]]).execute()
174 if conflicts["items"]:
175 migratearv.users().update(uuid=conflicts["items"][0]["uuid"], body={"user": {"username": username+"migrate"}}).execute()
176 migratearv.users().update(uuid=user_uuid, body={"user": {"username": username}}).execute()
177 except arvados.errors.ApiError as e:
178 print("(%s) Error updating username of %s to '%s' on %s: %s" % (email, user_uuid, username, migratecluster, e))
181 def choose_new_user(args, by_email, email, userhome, username, old_user_uuid, clusters):
184 for b in by_email[email].values():
185 if b[2].startswith(userhome):
187 if b[1] != username and b[3] == userhome:
188 print("(%s) Cannot migrate %s, conflicting usernames %s and %s" % (email, old_user_uuid, b[1], username))
193 if len(candidates) == 0:
194 if len(userhome) == 5 and userhome not in clusters:
195 print("(%s) Cannot migrate %s, unknown home cluster %s (typo?)" % (email, old_user_uuid, userhome))
197 print("(%s) No user listed with same email to migrate %s to %s, will create new user with username '%s'" % (email, old_user_uuid, userhome, username))
199 newhomecluster = userhome[0:5]
200 homearv = clusters[userhome]
203 conflicts = homearv.users().list(filters=[["username", "=", username]]).execute()
204 if conflicts["items"]:
205 homearv.users().update(uuid=conflicts["items"][0]["uuid"], body={"user": {"username": username+"migrate"}}).execute()
206 user = homearv.users().create(body={"user": {"email": email, "username": username}}).execute()
207 except arvados.errors.ApiError as e:
208 print("(%s) Could not create user: %s" % (email, str(e)))
211 tup = (email, username, user["uuid"], userhome)
214 tup = (email, username, "%s-tpzed-xfakexfakexfake" % (userhome[0:5]), userhome)
215 by_email[email][tup[2]] = tup
216 candidates.append(tup)
217 if len(candidates) > 1:
218 print("(%s) Multiple users listed to migrate %s to %s, use full uuid" % (email, old_user_uuid, userhome))
220 return candidates[0][2]
223 def activate_remote_user(args, email, homearv, migratearv, old_user_uuid, new_user_uuid):
224 # create a token for the new user and salt it for the
225 # migration cluster, then use it to access the migration
226 # cluster as the new user once before merging to ensure
227 # the new user is known on that cluster.
228 migratecluster = migratearv._rootDesc["uuidPrefix"]
231 newtok = homearv.api_client_authorizations().create(body={
232 "api_client_authorization": {'owner_uuid': new_user_uuid}}).execute()
234 newtok = {"uuid": "dry-run", "api_token": "12345"}
235 except arvados.errors.ApiError as e:
236 print("(%s) Could not create API token for %s: %s" % (email, new_user_uuid, e))
239 salted = 'v2/' + newtok["uuid"] + '/' + hmac.new(newtok["api_token"].encode(),
240 msg=migratecluster.encode(),
241 digestmod='sha1').hexdigest()
243 ru = urllib.parse.urlparse(migratearv._rootDesc["rootUrl"])
245 newuser = arvados.api(host=ru.netloc, token=salted, insecure=os.environ.get("ARVADOS_API_HOST_INSECURE")).users().current().execute()
247 newuser = {"is_active": True, "username": username}
248 except arvados.errors.ApiError as e:
249 print("(%s) Error getting user info for %s from %s: %s" % (email, new_user_uuid, migratecluster, e))
253 olduser = migratearv.users().get(uuid=old_user_uuid).execute()
254 except arvados.errors.ApiError as e:
255 if e.resp.status != 404:
256 print("(%s) Could not retrieve user %s from %s, user may have already been migrated: %s" % (email, old_user_uuid, migratecluster, e))
259 if not newuser["is_active"]:
260 print("(%s) Activating user %s on %s" % (email, new_user_uuid, migratecluster))
263 migratearv.users().update(uuid=new_user_uuid, body={"is_active": True}).execute()
264 except arvados.errors.ApiError as e:
265 print("(%s) Could not activate user %s on %s: %s" % (email, new_user_uuid, migratecluster, e))
268 if olduser["is_admin"] and not newuser["is_admin"]:
269 print("(%s) Not migrating %s because user is admin but target user %s is not admin on %s" % (email, old_user_uuid, new_user_uuid, migratecluster))
274 def migrate_user(args, migratearv, email, new_user_uuid, old_user_uuid):
277 grp = migratearv.groups().create(body={
278 "owner_uuid": new_user_uuid,
279 "name": "Migrated from %s (%s)" % (email, old_user_uuid),
280 "group_class": "project"
281 }, ensure_unique_name=True).execute()
282 migratearv.users().merge(old_user_uuid=old_user_uuid,
283 new_user_uuid=new_user_uuid,
284 new_owner_uuid=grp["uuid"],
285 redirect_to_new_user=True).execute()
286 except arvados.errors.ApiError as e:
287 print("(%s) Error migrating user: %s" % (email, e))
292 parser = argparse.ArgumentParser(description='Migrate users to federated identity, see https://doc.arvados.org/admin/merge-remote-account.html')
294 '--version', action='version', version="%s %s" % (sys.argv[0], __version__),
295 help='Print version and exit.')
296 parser.add_argument('--tokens', type=str, required=False)
297 group = parser.add_mutually_exclusive_group(required=True)
298 group.add_argument('--report', type=str, help="Generate report .csv file listing users by email address and their associated Arvados accounts")
299 group.add_argument('--migrate', type=str, help="Consume report .csv and migrate users to designated Arvados accounts")
300 group.add_argument('--dry-run', type=str, help="Consume report .csv and report how user would be migrated to designated Arvados accounts")
301 group.add_argument('--check', action="store_true", help="Check that tokens are usable and the federation is well connected")
302 args = parser.parse_args()
304 clusters, errors, loginCluster = connect_clusters(args)
308 print("ERROR: "+str(e))
312 print("Tokens file passed checks")
315 rows, by_email, by_username = fetch_users(clusters, loginCluster)
318 out = csv.writer(open(args.report, "wt"))
319 out.writerow(("email", "username", "user uuid", "home cluster"))
322 print("Wrote %s" % args.report)
325 if args.migrate or args.dry_run:
327 print("Performing dry run")
329 rows = read_migrations(args, by_email, by_username)
333 username = r[USERNAME]
334 old_user_uuid = r[UUID]
335 userhome = r[HOMECLUSTER]
338 print("(%s) Skipping %s, no home cluster specified" % (email, old_user_uuid))
339 if old_user_uuid.startswith(userhome):
340 migratecluster = old_user_uuid[0:5]
341 migratearv = clusters[migratecluster]
342 if migratearv.users().get(uuid=old_user_uuid).execute()["username"] != username:
343 update_username(args, email, old_user_uuid, username, migratecluster, migratearv)
346 new_user_uuid = choose_new_user(args, by_email, email, userhome, username, old_user_uuid, clusters)
347 if new_user_uuid is None:
350 # cluster where the migration is happening
351 for migratecluster in clusters:
352 migratearv = clusters[migratecluster]
354 # the user's new home cluster
355 newhomecluster = userhome[0:5]
356 homearv = clusters[newhomecluster]
358 newuser = activate_remote_user(args, email, homearv, migratearv, old_user_uuid, new_user_uuid)
362 print("(%s) Migrating %s to %s on %s" % (email, old_user_uuid, new_user_uuid, migratecluster))
364 migrate_user(args, migratearv, email, new_user_uuid, old_user_uuid)
366 if newuser['username'] != username:
367 update_username(args, email, new_user_uuid, username, migratecluster, migratearv)
369 if __name__ == "__main__":