Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 436 insertions, 0 deletions

diff --git a/qa/tasks/rgw_multisite.py b/qa/tasks/rgw_multisite.py
new file mode 100644
index 000000000..266d0fb69
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+++ b/qa/tasks/rgw_multisite.py
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+"""
+rgw multisite configuration routines
+"""
+import argparse
+import logging
+import random
+import string
+from copy import deepcopy
+from tasks.util.rgw import rgwadmin, wait_for_radosgw
+from tasks.util.rados import create_ec_pool, create_replicated_pool
+from tasks.rgw_multi import multisite
+from tasks.rgw_multi.zone_rados import RadosZone as RadosZone
+from tasks.rgw_multi.zone_ps import PSZone as PSZone
+
+from teuthology.orchestra import run
+from teuthology import misc
+from teuthology.exceptions import ConfigError
+from teuthology.task import Task
+
+log = logging.getLogger(__name__)
+
+class RGWMultisite(Task):
+    """
+    Performs rgw multisite configuration to match the given realm definition.
+
+        - rgw-multisite:
+            realm:
+              name: test-realm
+              is_default: true
+
+    List one or more zonegroup definitions. These are provided as json
+    input to `radosgw-admin zonegroup set`, with the exception of these keys:
+
+    * 'is_master' is passed on the command line as --master
+    * 'is_default' is passed on the command line as --default
+    * 'is_pubsub' is used to create a zone with tier-type=pubsub
+    * 'endpoints' given as client names are replaced with actual endpoints
+
+            zonegroups:
+              - name: test-zonegroup
+                api_name: test-api
+                is_master: true
+                is_default: true
+                endpoints: [c1.client.0]
+
+    List each of the zones to be created in this zonegroup.
+
+                zones:
+                  - name: test-zone1
+                    is_master: true
+                    is_default: true
+                    endpoints: [c1.client.0]
+                  - name: test-zone2
+                    is_default: true
+                    endpoints: [c2.client.0]
+
+    A complete example:
+
+        tasks:
+        - install:
+        - ceph: {cluster: c1}
+        - ceph: {cluster: c2}
+        - rgw:
+            c1.client.0:
+            c2.client.0:
+        - rgw-multisite:
+            realm:
+              name: test-realm
+              is_default: true
+            zonegroups:
+              - name: test-zonegroup
+                is_master: true
+                is_default: true
+                zones:
+                  - name: test-zone1
+                    is_master: true
+                    is_default: true
+                    endpoints: [c1.client.0]
+                  - name: test-zone2
+                    is_default: true
+                    endpoints: [c2.client.0]
+                  - name: test-zone3
+                    is_pubsub: true
+                    endpoints: [c1.client.1]
+
+    """
+    def __init__(self, ctx, config):
+        super(RGWMultisite, self).__init__(ctx, config)
+
+    def setup(self):
+        super(RGWMultisite, self).setup()
+
+        overrides = self.ctx.config.get('overrides', {})
+        misc.deep_merge(self.config, overrides.get('rgw-multisite', {}))
+
+        if not self.ctx.rgw:
+            raise ConfigError('rgw-multisite must run after the rgw task')
+        role_endpoints = self.ctx.rgw.role_endpoints
+
+        # construct Clusters and Gateways for each client in the rgw task
+        clusters, gateways = extract_clusters_and_gateways(self.ctx,
+                                                           role_endpoints)
+
+        # get the master zone and zonegroup configuration
+        mz, mzg = extract_master_zone_zonegroup(self.config['zonegroups'])
+        cluster1 = cluster_for_zone(clusters, mz)
+
+        # create the realm and period on the master zone's cluster
+        log.info('creating realm..')
+        realm = create_realm(cluster1, self.config['realm'])
+        period = realm.current_period
+
+        creds = gen_credentials()
+
+        # create the master zonegroup and its master zone
+        log.info('creating master zonegroup..')
+        master_zonegroup = create_zonegroup(cluster1, gateways, period,
+                                            deepcopy(mzg))
+        period.master_zonegroup = master_zonegroup
+
+        log.info('creating master zone..')
+        master_zone = create_zone(self.ctx, cluster1, gateways, creds,
+                                  master_zonegroup, deepcopy(mz))
+        master_zonegroup.master_zone = master_zone
+
+        period.update(master_zone, commit=True)
+        restart_zone_gateways(master_zone) # restart with --rgw-zone
+
+        # create the admin user on the master zone
+        log.info('creating admin user..')
+        user_args = ['--display-name', 'Realm Admin', '--system']
+        user_args += creds.credential_args()
+        admin_user = multisite.User('realm-admin')
+        admin_user.create(master_zone, user_args)
+
+        # process 'zonegroups'
+        for zg_config in self.config['zonegroups']:
+            zones_config = zg_config.pop('zones')
+
+            zonegroup = None
+            for zone_config in zones_config:
+                # get the cluster for this zone
+                cluster = cluster_for_zone(clusters, zone_config)
+
+                if cluster != cluster1: # already created on master cluster
+                    log.info('pulling realm configuration to %s', cluster.name)
+                    realm.pull(cluster, master_zone.gateways[0], creds)
+
+                # use the first zone's cluster to create the zonegroup
+                if not zonegroup:
+                    if zg_config['name'] == master_zonegroup.name:
+                        zonegroup = master_zonegroup
+                    else:
+                        log.info('creating zonegroup..')
+                        zonegroup = create_zonegroup(cluster, gateways,
+                                                     period, zg_config)
+
+                if zone_config['name'] == master_zone.name:
+                    # master zone was already created
+                    zone = master_zone
+                else:
+                    # create the zone and commit the period
+                    log.info('creating zone..')
+                    zone = create_zone(self.ctx, cluster, gateways, creds,
+                                       zonegroup, zone_config)
+                    period.update(zone, commit=True)
+
+                    restart_zone_gateways(zone) # restart with --rgw-zone
+
+        # attach configuration to the ctx for other tasks
+        self.ctx.rgw_multisite = argparse.Namespace()
+        self.ctx.rgw_multisite.clusters = clusters
+        self.ctx.rgw_multisite.gateways = gateways
+        self.ctx.rgw_multisite.realm = realm
+        self.ctx.rgw_multisite.admin_user = admin_user
+
+        log.info('rgw multisite configuration completed')
+
+    def end(self):
+        del self.ctx.rgw_multisite
+
+class Cluster(multisite.Cluster):
+    """ Issues 'radosgw-admin' commands with the rgwadmin() helper """
+    def __init__(self, ctx, name, client):
+        super(Cluster, self).__init__()
+        self.ctx = ctx
+        self.name = name
+        self.client = client
+
+    def admin(self, args = None, **kwargs):
+        """ radosgw-admin command """
+        args = args or []
+        args += ['--cluster', self.name]
+        args += ['--debug-rgw', str(kwargs.pop('debug_rgw', 0))]
+        args += ['--debug-ms', str(kwargs.pop('debug_ms', 0))]
+        if kwargs.pop('read_only', False):
+            args += ['--rgw-cache-enabled', 'false']
+        kwargs['decode'] = False
+        check_retcode = kwargs.pop('check_retcode', True)
+        r, s = rgwadmin(self.ctx, self.client, args, **kwargs)
+        if check_retcode:
+            assert r == 0
+        return s, r
+
+class Gateway(multisite.Gateway):
+    """ Controls a radosgw instance using its daemon """
+    def __init__(self, role, remote, daemon, *args, **kwargs):
+        super(Gateway, self).__init__(*args, **kwargs)
+        self.role = role
+        self.remote = remote
+        self.daemon = daemon
+
+    def set_zone(self, zone):
+        """ set the zone and add its args to the daemon's command line """
+        assert self.zone is None, 'zone can only be set once'
+        self.zone = zone
+        # daemon.restart_with_args() would be perfect for this, except that
+        # radosgw args likely include a pipe and redirect. zone arguments at
+        # the end won't actually apply to radosgw
+        args = self.daemon.command_kwargs.get('args', [])
+        try:
+            # insert zone args before the first |
+            pipe = args.index(run.Raw('|'))
+            args = args[0:pipe] + zone.zone_args() + args[pipe:]
+        except ValueError:
+            args += zone.zone_args()
+        self.daemon.command_kwargs['args'] = args
+
+    def start(self, args = None):
+        """ (re)start the daemon """
+        self.daemon.restart()
+        # wait until startup completes
+        wait_for_radosgw(self.endpoint(), self.remote)
+
+    def stop(self):
+        """ stop the daemon """
+        self.daemon.stop()
+
+def extract_clusters_and_gateways(ctx, role_endpoints):
+    """ create cluster and gateway instances for all of the radosgw roles """
+    clusters = {}
+    gateways = {}
+    for role, endpoint in role_endpoints.items():
+        cluster_name, daemon_type, client_id = misc.split_role(role)
+        # find or create the cluster by name
+        cluster = clusters.get(cluster_name)
+        if not cluster:
+            clusters[cluster_name] = cluster = Cluster(ctx, cluster_name, role)
+        # create a gateway for this daemon
+        client_with_id = daemon_type + '.' + client_id # match format from rgw.py
+        daemon = ctx.daemons.get_daemon('rgw', client_with_id, cluster_name)
+        if not daemon:
+            raise ConfigError('no daemon for role=%s cluster=%s type=rgw id=%s' % \
+                              (role, cluster_name, client_id))
+        (remote,) = ctx.cluster.only(role).remotes.keys()
+        gateways[role] = Gateway(role, remote, daemon, endpoint.hostname,
+                endpoint.port, cluster)
+    return clusters, gateways
+
+def create_realm(cluster, config):
+    """ create a realm from configuration and initialize its first period """
+    realm = multisite.Realm(config['name'])
+    args = []
+    if config.get('is_default', False):
+        args += ['--default']
+    realm.create(cluster, args)
+    realm.current_period = multisite.Period(realm)
+    return realm
+
+def extract_user_credentials(config):
+    """ extract keys from configuration """
+    return multisite.Credentials(config['access_key'], config['secret_key'])
+
+def extract_master_zone(zonegroup_config):
+    """ find and return the master zone definition """
+    master = None
+    for zone in zonegroup_config['zones']:
+        if not zone.get('is_master', False):
+            continue
+        if master:
+            raise ConfigError('zones %s and %s cannot both set \'is_master\'' % \
+                              (master['name'], zone['name']))
+        master = zone
+        # continue the loop so we can detect duplicates
+    if not master:
+        raise ConfigError('one zone must set \'is_master\' in zonegroup %s' % \
+                          zonegroup_config['name'])
+    return master
+
+def extract_master_zone_zonegroup(zonegroups_config):
+    """ find and return the master zone and zonegroup definitions """
+    master_zone, master_zonegroup = (None, None)
+    for zonegroup in zonegroups_config:
+        # verify that all zonegroups have a master zone set, even if they
+        # aren't in the master zonegroup
+        zone = extract_master_zone(zonegroup)
+        if not zonegroup.get('is_master', False):
+            continue
+        if master_zonegroup:
+            raise ConfigError('zonegroups %s and %s cannot both set \'is_master\'' % \
+                              (master_zonegroup['name'], zonegroup['name']))
+        master_zonegroup = zonegroup
+        master_zone = zone
+        # continue the loop so we can detect duplicates
+    if not master_zonegroup:
+        raise ConfigError('one zonegroup must set \'is_master\'')
+    return master_zone, master_zonegroup
+
+def extract_zone_cluster_name(zone_config):
+    """ return the cluster (must be common to all zone endpoints) """
+    cluster_name = None
+    endpoints = zone_config.get('endpoints')
+    if not endpoints:
+        raise ConfigError('zone %s missing \'endpoints\' list' % \
+                          zone_config['name'])
+    for role in endpoints:
+        name, _, _ = misc.split_role(role)
+        if not cluster_name:
+            cluster_name = name
+        elif cluster_name != name:
+            raise ConfigError('all zone %s endpoints must be in the same cluster' % \
+                              zone_config['name'])
+    return cluster_name
+
+def cluster_for_zone(clusters, zone_config):
+    """ return the cluster entry for the given zone """
+    name = extract_zone_cluster_name(zone_config)
+    try:
+        return clusters[name]
+    except KeyError:
+        raise ConfigError('no cluster %s found' % name)
+
+def gen_access_key():
+    return ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(16))
+
+def gen_secret():
+    return ''.join(random.choice(string.ascii_uppercase + string.ascii_lowercase + string.digits) for _ in range(32))
+
+def gen_credentials():
+    return multisite.Credentials(gen_access_key(), gen_secret())
+
+def extract_gateway_endpoints(gateways, endpoints_config):
+    """ return a list of gateway endpoints associated with the given roles """
+    endpoints = []
+    for role in endpoints_config:
+        try:
+            # replace role names with their gateway's endpoint
+            endpoints.append(gateways[role].endpoint())
+        except KeyError:
+            raise ConfigError('no radosgw endpoint found for role %s' % role)
+    return endpoints
+
+def is_default_arg(config):
+    return ['--default'] if config.pop('is_default', False) else []
+
+def is_master_arg(config):
+    return ['--master'] if config.pop('is_master', False) else []
+
+def create_zonegroup(cluster, gateways, period, config):
+    """ pass the zonegroup configuration to `zonegroup set` """
+    config.pop('zones', None) # remove 'zones' from input to `zonegroup set`
+    endpoints = config.get('endpoints')
+    if endpoints:
+        # replace client names with their gateway endpoints
+        config['endpoints'] = extract_gateway_endpoints(gateways, endpoints)
+    zonegroup = multisite.ZoneGroup(config['name'], period)
+    # `zonegroup set` needs --default on command line, and 'is_master' in json
+    args = is_default_arg(config)
+    zonegroup.set(cluster, config, args)
+    period.zonegroups.append(zonegroup)
+    return zonegroup
+
+def create_zone(ctx, cluster, gateways, creds, zonegroup, config):
+    """ create a zone with the given configuration """
+    zone = multisite.Zone(config['name'], zonegroup, cluster)
+    if config.pop('is_pubsub', False):
+        zone = PSZone(config['name'], zonegroup, cluster)
+    else:
+        zone = RadosZone(config['name'], zonegroup, cluster)
+
+    # collect Gateways for the zone's endpoints
+    endpoints = config.get('endpoints')
+    if not endpoints:
+        raise ConfigError('no \'endpoints\' for zone %s' % config['name'])
+    zone.gateways = [gateways[role] for role in endpoints]
+    for gateway in zone.gateways:
+        gateway.set_zone(zone)
+
+    # format the gateway endpoints
+    endpoints = [g.endpoint() for g in zone.gateways]
+
+    args = is_default_arg(config)
+    args += is_master_arg(config)
+    args += creds.credential_args()
+    if len(endpoints):
+        args += ['--endpoints', ','.join(endpoints)]
+    zone.create(cluster, args)
+    zonegroup.zones.append(zone)
+
+    create_zone_pools(ctx, zone)
+    if ctx.rgw.compression_type:
+        configure_zone_compression(zone, ctx.rgw.compression_type)
+
+    zonegroup.zones_by_type.setdefault(zone.tier_type(), []).append(zone)
+
+    if zone.is_read_only():
+        zonegroup.ro_zones.append(zone)
+    else:
+        zonegroup.rw_zones.append(zone)
+
+    return zone
+
+def create_zone_pools(ctx, zone):
+    """ Create the data_pool for each placement type """
+    gateway = zone.gateways[0]
+    cluster = zone.cluster
+    for pool_config in zone.data.get('placement_pools', []):
+        pool_name = pool_config['val']['storage_classes']['STANDARD']['data_pool']
+        if ctx.rgw.ec_data_pool:
+            create_ec_pool(gateway.remote, pool_name, zone.name, 64,
+                           ctx.rgw.erasure_code_profile, cluster.name, 'rgw')
+        else:
+            create_replicated_pool(gateway.remote, pool_name, 64, cluster.name, 'rgw')
+
+def configure_zone_compression(zone, compression):
+    """ Set compression type in the zone's default-placement """
+    zone.json_command(zone.cluster, 'placement', ['modify',
+                          '--placement-id', 'default-placement',
+                          '--compression', compression
+                      ])
+
+def restart_zone_gateways(zone):
+    zone.stop()
+    zone.start()
+
+task = RGWMultisite