def start_shard_cluster(cluster):
#List of list of required servers
list_of_member_list = [cluster.shards, cluster.config_members, cluster.mongos_members]
#Record the list of started members
started_members = []
# We first start the servers
for member_list in list_of_member_list:
for server_descriptor in member_list:
shard = server_descriptor.get_shard()
try:
if not isinstance(shard, ReplicaSetCluster):
if not shard.is_online():
# We set the server working in background compulsorily
shard.set_cmd_option("fork", True)
start_server(shard)
else:
# TODO: Instructions for starting a replicaset cluster
pass
started_members.append(shard)
except MongoctlException, e:
shutdown_severs(started_members)
log_error(e.message)
return False
def is_valid(self):
try:
self.validate()
return True
except Exception, e:
log_error("%s" % e)
log_exception(e)
return False
def is_local(self):
try:
server_host = self.get_host_address()
return server_host is None or is_host_local(server_host)
except Exception, e:
log_exception(e)
log_error("Unable to resolve address '%s' for server '%s'."
" Cause: %s" %
(self.get_host_address(), self.id, e))
def get_validate_remove_shard_command(self, shard):
if not self.is_shard_configured(shard):
log_error('Bad remove shard attempt. Shard \'%s\' has not been added yet' % shard.id)
# TODO: re-enable this when is_last_shard works properly
# check if its last shard and raise error if so
##if self.is_last_shard(shard):
## raise Exception("Bad remove shard attempt. Shard '%s' is the last"
## " shard" % shard.id)
#shard_member = self.get_shard_member(shard)
return self.get_remove_shard_command(shard)
def push_mongodb(repo_name, mongodb_version, mongodb_edition=None,
access_key=None, secret_key=None):
"""
:param repo_name:
:param mongodb_version:
:param mongodb_edition:
:return:
"""
mongodb_edition = mongodb_edition or MongoDBEdition.COMMUNITY
repo = get_binary_repository(repo_name)
if access_key and isinstance(repo, S3MongoDBBinaryRepository):
repo.access_key = access_key
repo.secret_key = secret_key
repo.validate()
version_info = make_version_info(mongodb_version, mongodb_edition)
mongodb_install_dir = get_mongo_installation(version_info)
if not mongodb_install_dir:
raise MongoctlException("No mongodb installation found for '%s'" %
version_info)
mongodb_install_home = os.path.dirname(mongodb_install_dir)
target_archive_name = repo.get_archive_name(mongodb_version,
mongodb_edition)
target_archive_path = os.path.join(mongodb_install_home,
target_archive_name)
mongodb_install_dir_name = os.path.basename(mongodb_install_dir)
log_info("Taring MongoDB at '%s'" % mongodb_install_dir_name)
tar_exe = which("tar")
tar_cmd = [tar_exe, "-cvzf", target_archive_name, mongodb_install_dir_name]
call_command(tar_cmd, cwd=mongodb_install_home)
log_info("Uploading tar to repo")
repo.upload_file(mongodb_version, mongodb_edition, target_archive_path)
# cleanup
log_info("Cleanup")
try:
os.remove(target_archive_path)
except Exception, e:
log_error(str(e))
log_exception(e)
def shutdown_severs(started_members):
"""
Close the sharding members given in the list
@param started_members: A list of correctly opened sharding members
@return:
"""
for shard in started_members:
try:
if not isinstance(shard, ReplicaSetCluster):
stop_server(shard)
else:
pass
except MongoctlException, e:
log_error(e.message)
def authenticate_db(self, db, dbname, retry=True):
"""
Returns True if we manage to auth to the given db, else False.
"""
log_verbose("Server '%s' attempting to authenticate to db '%s'" % (self.id, dbname))
login_user = self.get_login_user(dbname)
username = None
password = None
auth_success = False
if login_user:
username = login_user["username"]
if "password" in login_user:
password = login_user["password"]
# have three attempts to authenticate
no_tries = 0
while not auth_success and no_tries < 3:
if not username:
username = read_username(dbname)
if not password:
password = self.lookup_password(dbname, username)
if not password:
password = read_password("Enter password for user '%s\%s'"%
(dbname, username))
# if auth success then exit loop and memoize login
try:
auth_success = db.authenticate(username, password)
log_verbose("Authentication attempt #%s to db '%s' result: %s" % (no_tries, dbname, auth_success))
except OperationFailure, ofe:
if "auth fails" in str(ofe):
auth_success = False
if auth_success or not retry:
break
else:
log_error("Invalid login!")
username = None
password = None
no_tries += 1
def authenticate_db(self, db, dbname, retry=True):
"""
Returns True if we manage to auth to the given db, else False.
"""
login_user = self.get_login_user(dbname)
username = None
password = None
auth_success = False
if login_user:
username = login_user["username"]
if "password" in login_user:
password = login_user["password"]
# have three attempts to authenticate
no_tries = 0
while not auth_success and no_tries < 3:
if not username:
username = read_username(dbname)
if not password:
password = self.lookup_password(dbname, username)
if not password:
password = read_password("Enter password for user '%s\%s'"%
(dbname, username))
# if auth success then exit loop and memoize login
auth_success = db.authenticate(username, password)
if auth_success or not retry:
break
else:
log_error("Invalid login!")
username = None
password = None
no_tries += 1
if auth_success:
self.set_login_user(dbname, username, password)
return auth_success
def open_mongo_shell_to_cluster(cluster,
database=None,
username=None,
password=None,
shell_options={},
js_files=[]):
log_info("Locating default server for cluster '%s'..." % cluster.id)
default_server = cluster.get_default_server()
if default_server:
log_info("Connecting to server '%s'" % default_server.id)
open_mongo_shell_to_server(default_server,
database=database,
username=username,
password=password,
shell_options=shell_options,
js_files=js_files)
else:
log_error("No default server found for cluster '%s'" %
cluster.id)
def do_install_mongodb(os_name, bits, version):
if version is None:
version = fetch_latest_stable_version()
log_info("Installing latest stable MongoDB version '%s'..." % version)
# validate version string
elif not is_valid_version(version):
raise MongoctlException("Invalid version '%s'. Please provide a"
" valid MongoDB version." % version)
mongodb_installs_dir = config.get_mongodb_installs_dir()
if not mongodb_installs_dir:
raise MongoctlException("No mongoDBInstallationsDirectory configured"
" in mongoctl.config")
platform_spec = get_validate_platform_spec(os_name, bits)
log_info("Running install for %s %sbit to "
"mongoDBInstallationsDirectory (%s)..." % (os_name, bits,
mongodb_installs_dir))
mongo_installation = get_mongo_installation(version)
if mongo_installation is not None: # no-op
log_info("You already have MongoDB %s installed ('%s'). "
"Nothing to do." % (version, mongo_installation))
return mongo_installation
archive_name = "mongodb-%s-%s.tgz" % (platform_spec, version)
url = "http://fastdl.mongodb.org/%s/%s" % (os_name, archive_name)
# Validate if the version exists
response = urllib.urlopen(url)
if response.getcode() != 200:
msg = ("Unable to download from url '%s' (response code '%s'). "
"It could be that version '%s' you specified does not exist."
" Please double check the version you provide" %
(url, response.getcode(), version))
raise MongoctlException(msg)
mongo_dir_name = "mongodb-%s-%s" % (platform_spec, version)
install_dir = os.path.join(mongodb_installs_dir, mongo_dir_name)
ensure_dir(mongodb_installs_dir)
# XXX LOOK OUT! Two processes installing same version simultaneously => BAD.
# TODO: mutex to protect the following
if not dir_exists(install_dir):
try:
## download the url
download(url)
extract_archive(archive_name)
log_info("Moving extracted folder to %s" % mongodb_installs_dir)
shutil.move(mongo_dir_name, mongodb_installs_dir)
os.remove(archive_name)
log_info("Deleting archive %s" % archive_name)
log_info("MongoDB %s installed successfully!" % version)
return install_dir
except Exception, e:
log_exception(e)
log_error("Failed to install MongoDB '%s'. Cause: %s" %
(version, e))
