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📁 ..
📄 __init__.py(35 B)
📁 __pycache__
📄 acme.py(12.74 KB)
📄 aix_group.py(4.11 KB)
📄 aix_shadow.py(1.93 KB)
📄 aixpkg.py(10.91 KB)
📄 aliases.py(5.07 KB)
📄 alternatives.py(5.1 KB)
📄 ansiblegate.py(11.38 KB)
📄 apache.py(12.47 KB)
📄 apcups.py(2.21 KB)
📄 apf.py(3.09 KB)
📄 apkpkg.py(16 KB)
📄 aptly.py(15.28 KB)
📄 aptpkg.py(102.35 KB)
📄 archive.py(46.97 KB)
📄 arista_pyeapi.py(22.06 KB)
📄 artifactory.py(24.78 KB)
📄 at.py(10.65 KB)
📄 at_solaris.py(8.56 KB)
📄 augeas_cfg.py(13.93 KB)
📄 aws_sqs.py(6.55 KB)
📄 azurearm_compute.py(19.55 KB)
📄 azurearm_dns.py(14.7 KB)
📄 azurearm_network.py(80.8 KB)
📄 azurearm_resource.py(34.27 KB)
📄 bamboohr.py(7.36 KB)
📄 baredoc.py(11.13 KB)
📄 bcache.py(28.97 KB)
📄 beacons.py(27.89 KB)
📄 bigip.py(69.11 KB)
📄 bluez_bluetooth.py(6.76 KB)
📄 boto3_elasticache.py(37.34 KB)
📄 boto3_elasticsearch.py(53.17 KB)
📄 boto3_route53.py(39.75 KB)
📄 boto3_sns.py(12.93 KB)
📄 boto_apigateway.py(61.86 KB)
📄 boto_asg.py(35.7 KB)
📄 boto_cfn.py(7.95 KB)
📄 boto_cloudfront.py(12.75 KB)
📄 boto_cloudtrail.py(14.45 KB)
📄 boto_cloudwatch.py(10.99 KB)
📄 boto_cloudwatch_event.py(9.48 KB)
📄 boto_cognitoidentity.py(14.63 KB)
📄 boto_datapipeline.py(6.94 KB)
📄 boto_dynamodb.py(10.54 KB)
📄 boto_ec2.py(79.29 KB)
📄 boto_efs.py(14.05 KB)
📄 boto_elasticache.py(23.69 KB)
📄 boto_elasticsearch_domain.py(15.85 KB)
📄 boto_elb.py(35.4 KB)
📄 boto_elbv2.py(10.81 KB)
📄 boto_iam.py(75.62 KB)
📄 boto_iot.py(26.2 KB)
📄 boto_kinesis.py(19.63 KB)
📄 boto_kms.py(17.29 KB)
📄 boto_lambda.py(35.05 KB)
📄 boto_rds.py(34.92 KB)
📄 boto_route53.py(32.55 KB)
📄 boto_s3.py(4.24 KB)
📄 boto_s3_bucket.py(31.8 KB)
📄 boto_secgroup.py(25.22 KB)
📄 boto_sns.py(7.22 KB)
📄 boto_sqs.py(6.43 KB)
📄 boto_ssm.py(3.65 KB)
📄 boto_vpc.py(112.81 KB)
📄 bower.py(5.89 KB)
📄 bridge.py(10.86 KB)
📄 bsd_shadow.py(6.92 KB)
📄 btrfs.py(33.64 KB)
📄 cabal.py(3.79 KB)
📄 capirca_acl.py(40.04 KB)
📄 cassandra_cql.py(39 KB)
📄 cassandra_mod.py(3.97 KB)
📄 celery.py(3.33 KB)
📄 ceph.py(15.82 KB)
📄 chassis.py(1.52 KB)
📄 chef.py(4.66 KB)
📄 chocolatey.py(39.34 KB)
📄 chronos.py(2.89 KB)
📄 chroot.py(11.51 KB)
📄 cimc.py(23.02 KB)
📄 ciscoconfparse_mod.py(14.79 KB)
📄 cisconso.py(3.83 KB)
📄 cloud.py(9.39 KB)
📄 cmdmod.py(162.16 KB)
📄 composer.py(10.31 KB)
📄 config.py(16.85 KB)
📄 consul.py(68.93 KB)
📄 container_resource.py(13.36 KB)
📄 cp.py(27.98 KB)
📄 cpan.py(5.54 KB)
📄 cron.py(26.8 KB)
📄 cryptdev.py(10.08 KB)
📄 csf.py(16.04 KB)
📄 cyg.py(8.32 KB)
📄 daemontools.py(5.41 KB)
📄 data.py(3.83 KB)
📄 datadog_api.py(7.64 KB)
📄 ddns.py(7.04 KB)
📄 deb_apache.py(7.41 KB)
📄 deb_postgres.py(4.22 KB)
📄 debconfmod.py(4.06 KB)
📄 debian_ip.py(64.78 KB)
📄 debian_service.py(6.6 KB)
📄 debuild_pkgbuild.py(34.69 KB)
📄 defaults.py(5.42 KB)
📄 devinfo.py(9.05 KB)
📄 devmap.py(627 B)
📄 dig.py(7.45 KB)
📄 disk.py(30.44 KB)
📄 djangomod.py(7.53 KB)
📄 dnsmasq.py(5.71 KB)
📄 dnsutil.py(11.51 KB)
📄 dockercompose.py(32.62 KB)
📄 dockermod.py(224.97 KB)
📄 dpkg_lowpkg.py(12.9 KB)
📄 drac.py(10.97 KB)
📄 dracr.py(38.53 KB)
📄 drbd.py(7.19 KB)
📄 dummyproxy_pkg.py(2.46 KB)
📄 dummyproxy_service.py(2.91 KB)
📄 ebuildpkg.py(38.74 KB)
📄 eix.py(1.58 KB)
📄 elasticsearch.py(51.44 KB)
📄 environ.py(8.96 KB)
📄 eselect.py(4.99 KB)
📄 esxcluster.py(502 B)
📄 esxdatacenter.py(514 B)
📄 esxi.py(1.64 KB)
📄 esxvm.py(481 B)
📄 etcd_mod.py(7.02 KB)
📄 ethtool.py(7.65 KB)
📄 event.py(8.23 KB)
📄 extfs.py(8.78 KB)
📄 file.py(224.74 KB)
📄 firewalld.py(20.51 KB)
📄 freebsd_sysctl.py(4.76 KB)
📄 freebsd_update.py(6.19 KB)
📄 freebsdjail.py(7.16 KB)
📄 freebsdkmod.py(6.17 KB)
📄 freebsdpkg.py(17.04 KB)
📄 freebsdports.py(13.13 KB)
📄 freebsdservice.py(12.53 KB)
📄 freezer.py(8.91 KB)
📄 gcp_addon.py(4.07 KB)
📄 gem.py(10.6 KB)
📄 genesis.py(21.75 KB)
📄 gentoo_service.py(9.18 KB)
📄 gentoolkitmod.py(8.33 KB)
📄 git.py(171.44 KB)
📄 github.py(53.19 KB)
📄 glanceng.py(4.69 KB)
📄 glassfish.py(19.49 KB)
📄 glusterfs.py(19.55 KB)
📄 gnomedesktop.py(6.85 KB)
📄 google_chat.py(1.52 KB)
📄 gpg.py(39.99 KB)
📄 grafana4.py(30.27 KB)
📄 grains.py(23.67 KB)
📄 groupadd.py(10.85 KB)
📄 grub_legacy.py(3.08 KB)
📄 guestfs.py(2.32 KB)
📄 hadoop.py(3.76 KB)
📄 haproxyconn.py(10.17 KB)
📄 hashutil.py(6.77 KB)
📄 heat.py(25.26 KB)
📄 helm.py(39.27 KB)
📄 hg.py(7.16 KB)
📄 highstate_doc.py(22.76 KB)
📄 hosts.py(10.47 KB)
📄 http.py(3.75 KB)
📄 icinga2.py(4.46 KB)
📄 idem.py(1.75 KB)
📄 ifttt.py(2.28 KB)
📄 ilo.py(15.98 KB)
📄 incron.py(7.68 KB)
📄 influxdb08mod.py(15.07 KB)
📄 influxdbmod.py(16.13 KB)
📄 infoblox.py(17.53 KB)
📄 ini_manage.py(14.63 KB)
📁 inspectlib
📄 inspector.py(8.19 KB)
📄 introspect.py(4.02 KB)
📄 iosconfig.py(14.78 KB)
📄 ipmi.py(25.45 KB)
📄 ipset.py(17.97 KB)
📄 iptables.py(57.33 KB)
📄 iwtools.py(3.99 KB)
📄 jboss7.py(20.51 KB)
📄 jboss7_cli.py(15.23 KB)
📄 jenkinsmod.py(11.9 KB)
📄 jinja.py(2.66 KB)
📄 jira_mod.py(7.07 KB)
📄 junos.py(73.9 KB)
📄 k8s.py(24.87 KB)
📄 kapacitor.py(5.37 KB)
📄 kerberos.py(5.42 KB)
📄 kernelpkg_linux_apt.py(6.91 KB)
📄 kernelpkg_linux_yum.py(7.46 KB)
📄 key.py(1007 B)
📄 keyboard.py(2.64 KB)
📄 keystone.py(43.16 KB)
📄 keystoneng.py(21.82 KB)
📄 keystore.py(6.69 KB)
📄 kmod.py(7.29 KB)
📄 kubeadm.py(34.01 KB)
📄 kubernetesmod.py(46.66 KB)
📄 launchctl_service.py(9.73 KB)
📄 layman.py(4.22 KB)
📄 ldap3.py(18.81 KB)
📄 ldapmod.py(5.9 KB)
📄 libcloud_compute.py(23.51 KB)
📄 libcloud_dns.py(9.76 KB)
📄 libcloud_loadbalancer.py(13.17 KB)
📄 libcloud_storage.py(12.19 KB)
📄 linux_acl.py(7.7 KB)
📄 linux_ip.py(5.44 KB)
📄 linux_lvm.py(17.86 KB)
📄 linux_service.py(4.64 KB)
📄 linux_shadow.py(13.37 KB)
📄 linux_sysctl.py(7.39 KB)
📄 localemod.py(11.84 KB)
📄 locate.py(2.58 KB)
📄 logadm.py(9.57 KB)
📄 logmod.py(1.24 KB)
📄 logrotate.py(7.72 KB)
📄 lvs.py(11.54 KB)
📄 lxc.py(148.61 KB)
📄 lxd.py(90.2 KB)
📄 mac_assistive.py(6.36 KB)
📄 mac_brew_pkg.py(19.82 KB)
📄 mac_desktop.py(2.77 KB)
📄 mac_group.py(6.34 KB)
📄 mac_keychain.py(6.68 KB)
📄 mac_pkgutil.py(2.84 KB)
📄 mac_portspkg.py(11.36 KB)
📄 mac_power.py(13.29 KB)
📄 mac_service.py(19.64 KB)
📄 mac_shadow.py(14.23 KB)
📄 mac_softwareupdate.py(14.52 KB)
📄 mac_sysctl.py(5.13 KB)
📄 mac_system.py(15.2 KB)
📄 mac_timezone.py(8.34 KB)
📄 mac_user.py(16.36 KB)
📄 mac_xattr.py(6.11 KB)
📄 macdefaults.py(2.33 KB)
📄 macpackage.py(6.94 KB)
📄 makeconf.py(17.31 KB)
📄 mandrill.py(6.31 KB)
📄 marathon.py(5.36 KB)
📄 match.py(10.28 KB)
📄 mattermost.py(3.4 KB)
📄 mdadm_raid.py(9.86 KB)
📄 mdata.py(3.44 KB)
📄 memcached.py(6.13 KB)
📄 mine.py(18.79 KB)
📄 minion.py(7.68 KB)
📄 mod_random.py(6.72 KB)
📄 modjk.py(12.48 KB)
📄 mongodb.py(17.3 KB)
📄 monit.py(5.51 KB)
📄 moosefs.py(3.87 KB)
📄 mount.py(56.18 KB)
📄 mssql.py(14.64 KB)
📄 msteams.py(2 KB)
📄 munin.py(2.4 KB)
📄 mysql.py(87.86 KB)
📄 nacl.py(9.73 KB)
📄 nagios.py(6.53 KB)
📄 nagios_rpc.py(5.09 KB)
📄 namecheap_domains.py(12.84 KB)
📄 namecheap_domains_dns.py(5.93 KB)
📄 namecheap_domains_ns.py(4.51 KB)
📄 namecheap_ssl.py(25.72 KB)
📄 namecheap_users.py(2.4 KB)
📄 napalm_bgp.py(9.72 KB)
📄 napalm_formula.py(11.33 KB)
📄 napalm_mod.py(59.3 KB)
📄 napalm_netacl.py(28.59 KB)
📄 napalm_network.py(93.24 KB)
📄 napalm_ntp.py(10.22 KB)
📄 napalm_probes.py(13.25 KB)
📄 napalm_route.py(5.09 KB)
📄 napalm_snmp.py(7.05 KB)
📄 napalm_users.py(6.49 KB)
📄 napalm_yang_mod.py(20.28 KB)
📄 netaddress.py(1.6 KB)
📄 netbox.py(32.22 KB)
📄 netbsd_sysctl.py(3.97 KB)
📄 netbsdservice.py(6.49 KB)
📄 netmiko_mod.py(19.63 KB)
📄 netscaler.py(27.02 KB)
📄 network.py(62.75 KB)
📄 neutron.py(44.93 KB)
📄 neutronng.py(15.02 KB)
📄 nexus.py(22.95 KB)
📄 nfs3.py(3.9 KB)
📄 nftables.py(33.58 KB)
📄 nginx.py(3.83 KB)
📄 nilrt_ip.py(36.18 KB)
📄 nix.py(8.03 KB)
📄 nova.py(19.61 KB)
📄 npm.py(10.35 KB)
📄 nspawn.py(41.35 KB)
📄 nxos.py(24.67 KB)
📄 nxos_api.py(14.66 KB)
📄 nxos_upgrade.py(14.74 KB)
📄 omapi.py(3.6 KB)
📄 openbsd_sysctl.py(3.74 KB)
📄 openbsdpkg.py(11 KB)
📄 openbsdrcctl_service.py(6.25 KB)
📄 openbsdservice.py(8.31 KB)
📄 openscap.py(2.81 KB)
📄 openstack_config.py(3.5 KB)
📄 openstack_mng.py(2.71 KB)
📄 openvswitch.py(11.75 KB)
📄 opkg.py(49.72 KB)
📄 opsgenie.py(3.29 KB)
📄 oracle.py(5.83 KB)
📄 osquery.py(24.93 KB)
📄 out.py(2.53 KB)
📄 pacmanpkg.py(31.99 KB)
📄 pagerduty.py(4.7 KB)
📄 pagerduty_util.py(13.49 KB)
📄 pam.py(2.01 KB)
📄 panos.py(61.05 KB)
📄 parallels.py(19.85 KB)
📄 parted_partition.py(21.53 KB)
📄 pcs.py(14.11 KB)
📄 pdbedit.py(10.72 KB)
📄 pecl.py(3.79 KB)
📄 peeringdb.py(8.39 KB)
📄 pf.py(9.51 KB)
📄 philips_hue.py(1.55 KB)
📄 pillar.py(21.29 KB)
📄 pip.py(51.76 KB)
📄 pkg_resource.py(11.89 KB)
📄 pkgin.py(17.35 KB)
📄 pkgng.py(61.1 KB)
📄 pkgutil.py(9.88 KB)
📄 portage_config.py(22.77 KB)
📄 postfix.py(16.24 KB)
📄 postgres.py(88.31 KB)
📄 poudriere.py(7.85 KB)
📄 powerpath.py(2.57 KB)
📄 proxy.py(11.49 KB)
📄 ps.py(19.45 KB)
📄 publish.py(10.22 KB)
📄 puppet.py(11.69 KB)
📄 purefa.py(33.03 KB)
📄 purefb.py(13.65 KB)
📄 pushbullet.py(1.88 KB)
📄 pushover_notify.py(3.48 KB)
📄 pw_group.py(4.4 KB)
📄 pw_user.py(12.47 KB)
📄 pyenv.py(6.93 KB)
📄 qemu_img.py(1.53 KB)
📄 qemu_nbd.py(3.28 KB)
📄 quota.py(6.43 KB)
📄 rabbitmq.py(38.44 KB)
📄 rallydev.py(6.09 KB)
📄 random_org.py(23.76 KB)
📄 rbac_solaris.py(16.15 KB)
📄 rbenv.py(10.75 KB)
📄 rdp.py(6.08 KB)
📄 rebootmgr.py(7.66 KB)
📄 redismod.py(16.36 KB)
📄 reg.py(16.36 KB)
📄 rest_pkg.py(2.26 KB)
📄 rest_sample_utils.py(558 B)
📄 rest_service.py(3.63 KB)
📄 restartcheck.py(24.1 KB)
📄 ret.py(1.27 KB)
📄 rh_ip.py(38.01 KB)
📄 rh_service.py(16.61 KB)
📄 riak.py(5.19 KB)
📄 rpm_lowpkg.py(27.61 KB)
📄 rpmbuild_pkgbuild.py(24.53 KB)
📄 rsync.py(8.04 KB)
📄 runit.py(17.14 KB)
📄 rvm.py(11.1 KB)
📄 s3.py(9.93 KB)
📄 s6.py(3.62 KB)
📄 salt_proxy.py(4.48 KB)
📄 salt_version.py(4.29 KB)
📄 saltcheck.py(46.11 KB)
📄 saltcloudmod.py(954 B)
📄 saltutil.py(56.5 KB)
📄 schedule.py(43.35 KB)
📄 scp_mod.py(6.22 KB)
📄 scsi.py(2.66 KB)
📄 sdb.py(2.45 KB)
📄 seed.py(8.87 KB)
📄 selinux.py(23.83 KB)
📄 sensehat.py(7.79 KB)
📄 sensors.py(1.3 KB)
📄 serverdensity_device.py(8.1 KB)
📄 servicenow.py(4.38 KB)
📄 slack_notify.py(7.83 KB)
📄 slackware_service.py(6.89 KB)
📄 slsutil.py(19.05 KB)
📄 smartos_imgadm.py(12.09 KB)
📄 smartos_nictagadm.py(6.51 KB)
📄 smartos_virt.py(5.21 KB)
📄 smartos_vmadm.py(26.37 KB)
📄 smbios.py(10.06 KB)
📄 smf_service.py(8.52 KB)
📄 smtp.py(5.41 KB)
📄 snapper.py(27.14 KB)
📄 solaris_fmadm.py(11.27 KB)
📄 solaris_group.py(2.8 KB)
📄 solaris_shadow.py(7.98 KB)
📄 solaris_system.py(3.72 KB)
📄 solaris_user.py(11.06 KB)
📄 solarisipspkg.py(18.7 KB)
📄 solarispkg.py(15.42 KB)
📄 solr.py(45.54 KB)
📄 solrcloud.py(14.63 KB)
📄 splunk.py(8.15 KB)
📄 splunk_search.py(8.76 KB)
📄 sqlite3.py(2.54 KB)
📄 ssh.py(43.15 KB)
📄 ssh_pkg.py(1.08 KB)
📄 ssh_service.py(3.39 KB)
📄 state.py(78.55 KB)
📄 status.py(57.34 KB)
📄 statuspage.py(14.67 KB)
📄 supervisord.py(11.15 KB)
📄 suse_apache.py(2.45 KB)
📄 svn.py(10.75 KB)
📄 swarm.py(13.5 KB)
📄 swift.py(5.55 KB)
📄 sysbench.py(6.62 KB)
📄 sysfs.py(6.61 KB)
📄 syslog_ng.py(31.55 KB)
📄 sysmod.py(22.59 KB)
📄 sysrc.py(3.38 KB)
📄 system.py(19.28 KB)
📄 system_profiler.py(3.54 KB)
📄 systemd_service.py(46.19 KB)
📄 telegram.py(3.28 KB)
📄 telemetry.py(12.9 KB)
📄 temp.py(831 B)
📄 test.py(14.71 KB)
📄 test_virtual.py(194 B)
📄 testinframod.py(9.92 KB)
📄 textfsm_mod.py(16.22 KB)
📄 timezone.py(19.89 KB)
📄 tls.py(58.68 KB)
📄 tomcat.py(18.59 KB)
📄 trafficserver.py(10.44 KB)
📄 transactional_update.py(42 KB)
📄 travisci.py(2.08 KB)
📄 tuned.py(2.34 KB)
📄 twilio_notify.py(2.95 KB)
📄 udev.py(3.72 KB)
📄 upstart_service.py(16.92 KB)
📄 uptime.py(3.23 KB)
📄 useradd.py(22.3 KB)
📄 uwsgi.py(996 B)
📄 vagrant.py(20.4 KB)
📄 varnish.py(3.08 KB)
📄 vault.py(13.48 KB)
📄 vbox_guest.py(10.55 KB)
📄 vboxmanage.py(14.72 KB)
📄 vcenter.py(455 B)
📄 victorops.py(6.54 KB)
📄 virt.py(290.11 KB)
📄 virtualenv_mod.py(15.08 KB)
📄 vmctl.py(9.6 KB)
📄 vsphere.py(376.7 KB)
📄 webutil.py(3.66 KB)
📄 win_auditpol.py(4.74 KB)
📄 win_autoruns.py(2.29 KB)
📄 win_certutil.py(3.27 KB)
📄 win_dacl.py(32.27 KB)
📄 win_disk.py(1.8 KB)
📄 win_dism.py(18.26 KB)
📄 win_dns_client.py(4.19 KB)
📄 win_dsc.py(26.56 KB)
📄 win_file.py(59.46 KB)
📄 win_firewall.py(20.15 KB)
📄 win_groupadd.py(11.27 KB)
📄 win_iis.py(68.76 KB)
📄 win_ip.py(11.43 KB)
📄 win_lgpo.py(491.78 KB)
📄 win_license.py(2.72 KB)
📄 win_network.py(14.02 KB)
📄 win_ntp.py(1.8 KB)
📄 win_path.py(11.12 KB)
📄 win_pkg.py(84.64 KB)
📄 win_pki.py(15.8 KB)
📄 win_powercfg.py(9.85 KB)
📄 win_psget.py(8.97 KB)
📄 win_servermanager.py(14.33 KB)
📄 win_service.py(32.7 KB)
📄 win_shadow.py(3.03 KB)
📄 win_smtp_server.py(17.67 KB)
📄 win_snmp.py(13.38 KB)
📄 win_status.py(17.04 KB)
📄 win_system.py(40.62 KB)
📄 win_task.py(78.46 KB)
📄 win_timezone.py(13.27 KB)
📄 win_useradd.py(27.53 KB)
📄 win_wua.py(38.29 KB)
📄 win_wusa.py(5.88 KB)
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Editing: bcache.py

"""
Module for managing BCache sets

BCache is a block-level caching mechanism similar to ZFS L2ARC/ZIL, dm-cache and fscache.
It works by formatting one block device as a cache set, then adding backend devices
(which need to be formatted as such) to the set and activating them.

It's available in Linux mainline kernel since 3.10

https://www.kernel.org/doc/Documentation/bcache.txt

This module needs the bcache userspace tools to function.

.. versionadded:: 2016.3.0

"""

import logging
import os
import re
import time

import salt.utils.path

log = logging.getLogger(__name__)

LOG = {
    "trace": logging.TRACE,
    "debug": logging.DEBUG,
    "info": logging.INFO,
    "warn": logging.WARNING,
    "error": logging.ERROR,
    "crit": logging.CRITICAL,
}

__func_alias__ = {
    "attach_": "attach",
    "config_": "config",
    "super_": "super",
}

HAS_BLKDISCARD = salt.utils.path.which("blkdiscard") is not None

def __virtual__():
    """
    Only work when make-bcache is installed
    """
    return salt.utils.path.which("make-bcache") is not None

def uuid(dev=None):
    """
    Return the bcache UUID of a block device.
    If no device is given, the Cache UUID is returned.

CLI Example:

.. code-block:: bash

salt '*' bcache.uuid
        salt '*' bcache.uuid /dev/sda
        salt '*' bcache.uuid bcache0

"""
    try:
        if dev is None:
            # take the only directory in /sys/fs/bcache and return its basename
            return list(salt.utils.path.os_walk("/sys/fs/bcache/"))[0][1][0]
        else:
            # basename of the /sys/block/{dev}/bcache/cache symlink target
            return os.path.basename(_bcsys(dev, "cache"))
    except Exception:  # pylint: disable=broad-except
        return False

def attach_(dev=None):
    """
    Attach a backing devices to a cache set
    If no dev is given, all backing devices will be attached.

CLI Example:

.. code-block:: bash

salt '*' bcache.attach sdc
        salt '*' bcache.attach /dev/bcache1

:return: bool or None if nuttin' happened
    """
    cache = uuid()
    if not cache:
        log.error("No cache to attach %s to", dev)
        return False

if dev is None:
        res = {}
        for dev, data in status(alldevs=True).items():
            if "cache" in data:
                res[dev] = attach_(dev)

return res if res else None

bcache = uuid(dev)
    if bcache:
        if bcache == cache:
            log.info("%s is already attached to bcache %s, doing nothing", dev, cache)
            return None
        elif not detach(dev):
            return False

log.debug("Attaching %s to bcache %s", dev, cache)

if not _bcsys(
        dev,
        "attach",
        cache,
        "error",
        "Error attaching {} to bcache {}".format(dev, cache),
    ):
        return False

return _wait(
        lambda: uuid(dev) == cache,
        "error",
        "{} received attach to bcache {}, but did not comply".format(dev, cache),
    )

def detach(dev=None):
    """
    Detach a backing device(s) from a cache set
    If no dev is given, all backing devices will be attached.

Detaching a backing device will flush its write cache.
    This should leave the underlying device in a consistent state, but might take a while.

CLI Example:

.. code-block:: bash

salt '*' bcache.detach sdc
        salt '*' bcache.detach bcache1

"""
    if dev is None:
        res = {}
        for dev, data in status(alldevs=True).items():
            if "cache" in data:
                res[dev] = detach(dev)

return res if res else None

log.debug("Detaching %s", dev)
    if not _bcsys(dev, "detach", "goaway", "error", "Error detaching {}".format(dev)):
        return False
    return _wait(
        lambda: uuid(dev) is False,
        "error",
        "{} received detach, but did not comply".format(dev),
        300,
    )

def start():
    """
    Trigger a start of the full bcache system through udev.

CLI Example:

.. code-block:: bash

salt '*' bcache.start

"""
    if not _run_all("udevadm trigger", "error", "Error starting bcache: %s"):
        return False
    elif not _wait(
        lambda: uuid() is not False,
        "warn",
        "Bcache system started, but no active cache set found.",
    ):
        return False
    return True

def stop(dev=None):
    """
    Stop a bcache device
    If no device is given, all backing devices will be detached from the cache, which will subsequently be stopped.

.. warning::
        'Stop' on an individual backing device means hard-stop;
        no attempt at flushing will be done and the bcache device will seemingly 'disappear' from the device lists

CLI Example:

.. code-block:: bash

salt '*' bcache.stop

"""
    if dev is not None:
        log.warning("Stopping %s, device will only reappear after reregistering!", dev)
        if not _bcsys(dev, "stop", "goaway", "error", "Error stopping {}".format(dev)):
            return False
        return _wait(
            lambda: _sysfs_attr(_bcpath(dev)) is False,
            "error",
            "Device {} did not stop".format(dev),
            300,
        )
    else:
        cache = uuid()
        if not cache:
            log.warning("bcache already stopped?")
            return None

if not _alltrue(detach()):
            return False
        elif not _fssys("stop", "goaway", "error", "Error stopping cache"):
            return False

return _wait(lambda: uuid() is False, "error", "Cache did not stop", 300)

def back_make(dev, cache_mode="writeback", force=False, attach=True, bucket_size=None):
    """
    Create a backing device for attachment to a set.
    Because the block size must be the same, a cache set already needs to exist.

CLI Example:

.. code-block:: bash

salt '*' bcache.back_make sdc cache_mode=writeback attach=True

:param cache_mode: writethrough, writeback, writearound or none.
    :param force: Overwrite existing bcaches
    :param attach: Immediately attach the backing device to the set
    :param bucket_size: Size of a bucket (see kernel doc)
    """
    # pylint: disable=too-many-return-statements
    cache = uuid()

if not cache:
        log.error("No bcache set found")
        return False
    elif _sysfs_attr(_bcpath(dev)):
        if not force:
            log.error(
                "%s already contains a bcache. Wipe it manually or use force", dev
            )
            return False
        elif uuid(dev) and not detach(dev):
            return False
        elif not stop(dev):
            return False

dev = _devpath(dev)
    block_size = _size_map(_fssys("block_size"))
    # You might want to override, we pick the cache set's as sane default
    if bucket_size is None:
        bucket_size = _size_map(_fssys("bucket_size"))

cmd = "make-bcache --block {} --bucket {} --{} --bdev {}".format(
        block_size, bucket_size, cache_mode, dev
    )
    if force:
        cmd += " --wipe-bcache"

if not _run_all(cmd, "error", "Error creating backing device {}: %s".format(dev)):
        return False
    elif not _sysfs_attr(
        "fs/bcache/register",
        _devpath(dev),
        "error",
        "Error registering backing device {}".format(dev),
    ):
        return False
    elif not _wait(
        lambda: _sysfs_attr(_bcpath(dev)) is not False,
        "error",
        "Backing device {} did not register".format(dev),
    ):
        return False
    elif attach:
        return attach_(dev)

return True

def cache_make(
    dev, reserved=None, force=False, block_size=None, bucket_size=None, attach=True
):
    """
    Create BCache cache on a block device.
    If blkdiscard is available the entire device will be properly cleared in advance.

CLI Example:

.. code-block:: bash

salt '*' bcache.cache_make sdb reserved=10% block_size=4096

:param reserved: if dev is a full device, create a partition table with this size empty.

.. note::
              this increases the amount of reserved space available to SSD garbage collectors,
              potentially (vastly) increasing performance
    :param block_size: Block size of the cache; defaults to devices' logical block size
    :param force: Overwrite existing BCache sets
    :param attach: Attach all existing backend devices immediately
    """
    # TODO: multiple devs == md jbod

# pylint: disable=too-many-return-statements
    # ---------------- Preflight checks ----------------
    cache = uuid()
    if cache:
        if not force:
            log.error("BCache cache %s is already on the system", cache)
            return False
        cache = _bdev()

dev = _devbase(dev)
    udev = __salt__["udev.env"](dev)

if (
        "ID_FS_TYPE" in udev
        or (udev.get("DEVTYPE", None) != "partition" and "ID_PART_TABLE_TYPE" in udev)
    ) and not force:
        log.error("%s already contains data, wipe first or force", dev)
        return False
    elif reserved is not None and udev.get("DEVTYPE", None) != "disk":
        log.error("Need a partitionable blockdev for reserved to work")
        return False

_, block, bucket = _sizes(dev)

if bucket_size is None:
        bucket_size = bucket
        # TODO: bucket from _sizes() makes no sense
        bucket_size = False
    if block_size is None:
        block_size = block

# ---------------- Still here, start doing destructive stuff ----------------
    if cache:
        if not stop():
            return False
        # Wipe the current cache device as well,
        # forever ruining any chance of it accidentally popping up again
        elif not _wipe(cache):
            return False

# Can't do enough wiping
    if not _wipe(dev):
        return False

if reserved:
        cmd = (
            "parted -m -s -a optimal -- "
            "/dev/{0} mklabel gpt mkpart bcache-reserved 1M {1} mkpart bcache {1} 100%".format(
                dev, reserved
            )
        )
        # if wipe was incomplete & part layout remains the same,
        # this is one condition set where udev would make it accidentally popup again
        if not _run_all(
            cmd, "error", "Error creating bcache partitions on {}: %s".format(dev)
        ):
            return False
        dev = "{}2".format(dev)

# ---------------- Finally, create a cache ----------------
    cmd = "make-bcache --cache /dev/{} --block {} --wipe-bcache".format(dev, block_size)

# Actually bucket_size should always have a value, but for testing 0 is possible as well
    if bucket_size:
        cmd += " --bucket {}".format(bucket_size)

if not _run_all(cmd, "error", "Error creating cache {}: %s".format(dev)):
        return False
    elif not _wait(
        lambda: uuid() is not False,
        "error",
        "Cache {} seemingly created OK, but FS did not activate".format(dev),
    ):
        return False

if attach:
        return _alltrue(attach_())
    else:
        return True

def config_(dev=None, **kwargs):
    """
    Show or update config of a bcache device.

If no device is given, operate on the cache set itself.

CLI Example:

.. code-block:: bash

salt '*' bcache.config
        salt '*' bcache.config bcache1
        salt '*' bcache.config errors=panic journal_delay_ms=150
        salt '*' bcache.config bcache1 cache_mode=writeback writeback_percent=15

:return: config or True/False
    """
    if dev is None:
        spath = _fspath()
    else:
        spath = _bcpath(dev)

# filter out 'hidden' kwargs added by our favourite orchestration system
    updates = {key: val for key, val in kwargs.items() if not key.startswith("__")}

if updates:
        endres = 0
        for key, val in updates.items():
            endres += _sysfs_attr(
                [spath, key],
                val,
                "warn",
                "Failed to update {} with {}".format(os.path.join(spath, key), val),
            )
        return endres > 0
    else:
        result = {}
        data = _sysfs_parse(spath, config=True, internals=True, options=True)
        for key in ("other_ro", "inter_ro"):
            if key in data:
                del data[key]

for key in data:
            result.update(data[key])

return result

def status(stats=False, config=False, internals=False, superblock=False, alldevs=False):
    """
    Show the full status of the BCache system and optionally all its involved devices

CLI Example:

.. code-block:: bash

salt '*' bcache.status
        salt '*' bcache.status stats=True
        salt '*' bcache.status internals=True alldevs=True

:param stats: include statistics
    :param config: include settings
    :param internals: include internals
    :param superblock: include superblock
    """
    bdevs = []
    for _, links, _ in salt.utils.path.os_walk("/sys/block/"):
        for block in links:
            if "bcache" in block:
                continue

for spath, sdirs, _ in salt.utils.path.os_walk(
                "/sys/block/{}".format(block), followlinks=False
            ):
                if "bcache" in sdirs:
                    bdevs.append(os.path.basename(spath))
    statii = {}
    for bcache in bdevs:
        statii[bcache] = device(bcache, stats, config, internals, superblock)

cuuid = uuid()
    cdev = _bdev()
    if cdev:
        count = 0
        for dev in statii:
            if dev != cdev:
                # it's a backing dev
                if statii[dev]["cache"] == cuuid:
                    count += 1
        statii[cdev]["attached_backing_devices"] = count

if not alldevs:
            statii = statii[cdev]

return statii

def device(dev, stats=False, config=False, internals=False, superblock=False):
    """
    Check the state of a single bcache device

CLI Example:

.. code-block:: bash

salt '*' bcache.device bcache0
        salt '*' bcache.device /dev/sdc stats=True

:param stats: include statistics
    :param settings: include all settings
    :param internals: include all internals
    :param superblock: include superblock info
    """
    result = {}

if not _sysfs_attr(
        _bcpath(dev), None, "error", "{} is not a bcache fo any kind".format(dev)
    ):
        return False
    elif _bcsys(dev, "set"):
        # ---------------- It's the cache itself ----------------
        result["uuid"] = uuid()
        base_attr = [
            "block_size",
            "bucket_size",
            "cache_available_percent",
            "cache_replacement_policy",
            "congested",
        ]

# ---------------- Parse through both the blockdev & the FS ----------------
        result.update(_sysfs_parse(_bcpath(dev), base_attr, stats, config, internals))
        result.update(_sysfs_parse(_fspath(), base_attr, stats, config, internals))

result.update(result.pop("base"))
    else:
        # ---------------- It's a backing device ----------------
        back_uuid = uuid(dev)
        if back_uuid is not None:
            result["cache"] = back_uuid

try:
            result["dev"] = os.path.basename(_bcsys(dev, "dev"))
        except Exception:  # pylint: disable=broad-except
            pass
        result["bdev"] = _bdev(dev)

base_attr = ["cache_mode", "running", "state", "writeback_running"]
        base_path = _bcpath(dev)

result.update(_sysfs_parse(base_path, base_attr, stats, config, internals))
        result.update(result.pop("base"))

# ---------------- Modifications ----------------
        state = [result["state"]]
        if result.pop("running"):
            state.append("running")
        else:
            state.append("stopped")
        if "writeback_running" in result:
            if result.pop("writeback_running"):
                state.append("writeback_running")
            else:
                state.append("writeback_stopped")
        result["state"] = state

# ---------------- Statistics ----------------
    if "stats" in result:
        replre = r"(stats|cache)_"
        statres = result["stats"]
        for attr in result["stats"]:
            if "/" not in attr:
                key = re.sub(replre, "", attr)
                statres[key] = statres.pop(attr)
            else:
                stat, key = attr.split("/", 1)
                stat = re.sub(replre, "", stat)
                key = re.sub(replre, "", key)
                if stat not in statres:
                    statres[stat] = {}
                statres[stat][key] = statres.pop(attr)
        result["stats"] = statres

# ---------------- Internals ----------------
    if internals:
        interres = result.pop("inter_ro", {})
        interres.update(result.pop("inter_rw", {}))
        if interres:
            for key in interres:
                if key.startswith("internal"):
                    nkey = re.sub(r"internal[s/]*", "", key)
                    interres[nkey] = interres.pop(key)
                    key = nkey
                if key.startswith(("btree", "writeback")):
                    mkey, skey = re.split(r"_", key, maxsplit=1)
                    if mkey not in interres:
                        interres[mkey] = {}
                    interres[mkey][skey] = interres.pop(key)
            result["internals"] = interres

# ---------------- Config ----------------
    if config:
        configres = result["config"]
        for key in configres:
            if key.startswith("writeback"):
                mkey, skey = re.split(r"_", key, maxsplit=1)
                if mkey not in configres:
                    configres[mkey] = {}
                configres[mkey][skey] = configres.pop(key)
        result["config"] = configres

# ---------------- Superblock ----------------
    if superblock:
        result["superblock"] = super_(dev)

return result

def super_(dev):
    """
    Read out BCache SuperBlock

CLI Example:

.. code-block:: bash

salt '*' bcache.device bcache0
        salt '*' bcache.device /dev/sdc

"""
    dev = _devpath(dev)
    ret = {}

res = _run_all(
        "bcache-super-show {}".format(dev),
        "error",
        "Error reading superblock on {}: %s".format(dev),
    )
    if not res:
        return False

for line in res.splitlines():  # pylint: disable=no-member
        line = line.strip()
        if not line:
            continue

key, val = [val.strip() for val in re.split(r"[\s]+", line, maxsplit=1)]
        if not (key and val):
            continue

mval = None
        if " " in val:
            rval, mval = [val.strip() for val in re.split(r"[\s]+", val, maxsplit=1)]
            mval = mval[1:-1]
        else:
            rval = val

try:
            rval = int(rval)
        except Exception:  # pylint: disable=broad-except
            try:
                rval = float(rval)
            except Exception:  # pylint: disable=broad-except
                if rval == "yes":
                    rval = True
                elif rval == "no":
                    rval = False

pkey, key = re.split(r"\.", key, maxsplit=1)
        if pkey not in ret:
            ret[pkey] = {}

if mval is not None:
            ret[pkey][key] = (rval, mval)
        else:
            ret[pkey][key] = rval

return ret

# -------------------------------- HELPER FUNCTIONS --------------------------------

def _devbase(dev):
    """
    Basename of just about any dev
    """
    dev = os.path.realpath(os.path.expandvars(dev))
    dev = os.path.basename(dev)
    return dev

def _devpath(dev):
    """
    Return /dev name of just about any dev
    :return: /dev/devicename
    """
    return os.path.join("/dev", _devbase(dev))

def _syspath(dev):
    """
    Full SysFS path of a device
    """
    dev = _devbase(dev)
    dev = re.sub(r"^([vhs][a-z]+)([0-9]+)", r"\1/\1\2", dev)

# name = re.sub(r'^([a-z]+)(?<!(bcache|md|dm))([0-9]+)', r'\1/\1\2', name)
    return os.path.join("/sys/block/", dev)

def _bdev(dev=None):
    """
    Resolve a bcacheX or cache to a real dev
    :return: basename of bcache dev
    """
    if dev is None:
        dev = _fssys("cache0")
    else:
        dev = _bcpath(dev)

if not dev:
        return False
    else:
        return _devbase(os.path.dirname(dev))

def _bcpath(dev):
    """
    Full SysFS path of a bcache device
    """
    return os.path.join(_syspath(dev), "bcache")

def _fspath():
    """
    :return: path of active bcache
    """
    cuuid = uuid()
    if not cuuid:
        return False
    else:
        return os.path.join("/sys/fs/bcache/", cuuid)

def _fssys(name, value=None, log_lvl=None, log_msg=None):
    """
    Simple wrapper to interface with bcache SysFS
    """
    fspath = _fspath()
    if not fspath:
        return False
    else:
        return _sysfs_attr([fspath, name], value, log_lvl, log_msg)

def _bcsys(dev, name, value=None, log_lvl=None, log_msg=None):
    """
    Simple wrapper to interface with backing devs SysFS
    """
    return _sysfs_attr([_bcpath(dev), name], value, log_lvl, log_msg)

def _sysfs_attr(name, value=None, log_lvl=None, log_msg=None):
    """
    Simple wrapper with logging around sysfs.attr
    """
    if isinstance(name, str):
        name = [name]
    res = __salt__["sysfs.attr"](os.path.join(*name), value)
    if not res and log_lvl is not None and log_msg is not None:
        log.log(LOG[log_lvl], log_msg)
    return res

def _sysfs_parse(
    path, base_attr=None, stats=False, config=False, internals=False, options=False
):
    """
    Helper function for parsing BCache's SysFS interface
    """
    result = {}

# ---------------- Parse through the interfaces list ----------------
    intfs = __salt__["sysfs.interfaces"](path)

# Actions, we ignore
    del intfs["w"]

# -------- Sorting hat --------
    binkeys = []
    if internals:
        binkeys.extend(["inter_ro", "inter_rw"])
    if config:
        binkeys.append("config")
    if stats:
        binkeys.append("stats")

bintf = {}
    for key in binkeys:
        bintf[key] = []

for intf in intfs["r"]:
        if intf.startswith("internal"):
            key = "inter_ro"
        elif "stats" in intf:
            key = "stats"
        else:
            # What to do with these???
            # I'll utilize 'inter_ro' as 'misc' as well
            key = "inter_ro"

if key in bintf:
            bintf[key].append(intf)

for intf in intfs["rw"]:
        if intf.startswith("internal"):
            key = "inter_rw"
        else:
            key = "config"

if key in bintf:
            bintf[key].append(intf)

if base_attr is not None:
        for intf in bintf:
            bintf[intf] = [sintf for sintf in bintf[intf] if sintf not in base_attr]
        bintf["base"] = base_attr

mods = {
        "stats": [
            "internal/bset_tree_stats",
            "writeback_rate_debug",
            "metadata_written",
            "nbuckets",
            "written",
            "average_key_size",
            "btree_cache_size",
        ],
    }

for modt, modlist in mods.items():
        found = []
        if modt not in bintf:
            continue
        for mod in modlist:
            for intflist in bintf.values():
                if mod in intflist:
                    found.append(mod)
                    intflist.remove(mod)
        bintf[modt] += found

# -------- Fetch SysFS vals --------
    bintflist = [intf for iflist in bintf.values() for intf in iflist]
    result.update(__salt__["sysfs.read"](bintflist, path))

# -------- Parse through well known string lists --------
    for strlist in (
        "writeback_rate_debug",
        "internal/bset_tree_stats",
        "priority_stats",
    ):
        if strlist in result:
            listres = {}
            for line in result[strlist].split("\n"):
                key, val = line.split(":", 1)
                val = val.strip()
                try:
                    val = int(val)
                except Exception:  # pylint: disable=broad-except
                    try:
                        val = float(val)
                    except Exception:  # pylint: disable=broad-except
                        pass
                listres[key.strip()] = val
            result[strlist] = listres

# -------- Parse through selection lists --------
    if not options:
        for sellist in ("cache_mode", "cache_replacement_policy", "errors"):
            if sellist in result:
                result[sellist] = re.search(r"\[(.+)\]", result[sellist]).groups()[0]

# -------- Parse through well known bools --------
    for boolkey in ("running", "writeback_running", "congested"):
        if boolkey in result:
            result[boolkey] = bool(result[boolkey])

# -------- Recategorize results --------
    bresult = {}
    for iftype, intflist in bintf.items():
        ifres = {}
        for intf in intflist:
            if intf in result:
                ifres[intf] = result.pop(intf)
        if ifres:
            bresult[iftype] = ifres

return bresult

def _size_map(size):
    """
    Map Bcache's size strings to real bytes
    """
    try:
        # I know, I know, EAFP.
        # But everything else is reason for None
        if not isinstance(size, int):
            if re.search(r"[Kk]", size):
                size = 1024 * float(re.sub(r"[Kk]", "", size))
            elif re.search(r"[Mm]", size):
                size = 1024 ** 2 * float(re.sub(r"[Mm]", "", size))
            size = int(size)
        return size
    except Exception:  # pylint: disable=broad-except
        return None

def _sizes(dev):
    """
    Return neigh useless sizing info about a blockdev
    :return: (total size in blocks, blocksize, maximum discard size in bytes)
    """
    dev = _devbase(dev)

# standarization yay
    block_sizes = (
        "hw_sector_size",
        "minimum_io_size",
        "physical_block_size",
        "logical_block_size",
    )
    discard_sizes = (
        "discard_max_bytes",
        "discard_max_hw_bytes",
    )

sysfs = __salt__["sysfs.read"](
        (
            "size",
            "queue/hw_sector_size",
            "../queue/hw_sector_size",
            "queue/discard_max_bytes",
            "../queue/discard_max_bytes",
        ),
        root=_syspath(dev),
    )

# TODO: makes no sense
    # First of all, it has to be a power of 2
    # Secondly, this returns 4GiB - 512b on Intel 3500's for some weird reason
    # discard_granularity seems in bytes, resolves to 512b ???
    # max_hw_sectors_kb???
    # There's also discard_max_hw_bytes more recently
    # See: https://www.kernel.org/doc/Documentation/block/queue-sysfs.txt
    # Also, I cant find any docs yet regarding bucket sizes;
    # it's supposed to be discard_max_hw_bytes,
    # but no way to figure that one reliably out apparently

discard = sysfs.get(
        "queue/discard_max_bytes", sysfs.get("../queue/discard_max_bytes", None)
    )
    block = sysfs.get(
        "queue/hw_sector_size", sysfs.get("../queue/hw_sector_size", None)
    )

return 512 * sysfs["size"], block, discard

def _wipe(dev):
    """
    REALLY DESTRUCTIVE STUFF RIGHT AHEAD
    """
    endres = 0
    dev = _devbase(dev)

size, block, discard = _sizes(dev)

if discard is None:
        log.error("Unable to read SysFS props for %s", dev)
        return None
    elif not discard:
        log.warning("%s seems unable to discard", dev)
        wiper = "dd"
    elif not HAS_BLKDISCARD:
        log.warning(
            "blkdiscard binary not available, properly wipe the dev manually for"
            " optimal results"
        )
        wiper = "dd"
    else:
        wiper = "blkdiscard"

wipe_failmsg = "Error wiping {}: %s".format(dev)
    if wiper == "dd":
        blocks = 4
        cmd = "dd if=/dev/zero of=/dev/{} bs=1M count={}".format(dev, blocks)
        endres += _run_all(cmd, "warn", wipe_failmsg)

# Some stuff (<cough>GPT</cough>) writes stuff at the end of a dev as well
        cmd += " seek={}".format((size / 1024 ** 2) - blocks)
        endres += _run_all(cmd, "warn", wipe_failmsg)

elif wiper == "blkdiscard":
        cmd = "blkdiscard /dev/{}".format(dev)
        endres += _run_all(cmd, "warn", wipe_failmsg)
        # TODO: fix annoying bug failing blkdiscard by trying to discard 1 sector past blkdev
        endres = 1

return endres > 0

def _wait(lfunc, log_lvl=None, log_msg=None, tries=10):
    """
    Wait for lfunc to be True
    :return: True if lfunc succeeded within tries, False if it didn't
    """
    i = 0
    while i < tries:
        time.sleep(1)

if lfunc():
            return True
        else:
            i += 1
    if log_lvl is not None:
        log.log(LOG[log_lvl], log_msg)
    return False

def _run_all(cmd, log_lvl=None, log_msg=None, exitcode=0):
    """
    Simple wrapper around cmd.run_all
    log_msg can contain {0} for stderr
    :return: True or stdout, False if retcode wasn't exitcode
    """
    res = __salt__["cmd.run_all"](cmd)
    if res["retcode"] == exitcode:
        if res["stdout"]:
            return res["stdout"]
        else:
            return True

if log_lvl is not None:
        log.log(LOG[log_lvl], log_msg, res["stderr"])
    return False

def _alltrue(resdict):
    if resdict is None:
        return True
    return len([val for val in resdict.values() if val]) > 0

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