C12s/c12s-kubespray
3
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity
2088 commits 17 branches 66 tags 141 MiB
Commit graph

1225 commits

Author SHA1 Message Date
jwfang 83deecb9e9 Revert "no need to patch system:kube-dns" 
This reverts commit c2ea8c588aa5c3879f402811d3599a7bb3ccab24.
 2017-07-17 19:29:59 +08:00
jwfang d8dcb8f6e0 no need to patch system:kube-dns 2017-07-17 19:29:59 +08:00
jwfang 552b2f0635 change authorization_modes default value 2017-07-17 19:29:59 +08:00
jwfang 0b3badf3d8 revert calico-related changes 2017-07-17 19:29:59 +08:00
jwfang cea3e224aa change authorization_modes default value 2017-07-17 19:29:59 +08:00
jwfang 1eaf0e1c63 rename task 2017-07-17 19:29:59 +08:00
jwfang 2cda982345 binding group system:nodes to clusterrole calico-role 2017-07-17 19:29:59 +08:00
jwfang c9734b6d7b run calico-policy-controller with proper sa/role/rolebinding 2017-07-17 19:29:59 +08:00
jwfang fd01377f12 remove more bins when reset 2017-07-17 19:29:59 +08:00
jwfang 092bf07cbf basic rbac support 2017-07-17 19:29:59 +08:00
Ubuntu 5145a8e8be higher draining timeouts 2017-07-16 20:52:13 +00:00
Dann Bohn d1f58fed4c Template out known_users.csv, optionally add groups 2017-07-14 09:27:20 -04:00
Martin Joehren 12e918bd31 add possibility to ignore the hostname override 2017-07-13 14:04:39 +00:00
Brad Beam 637f445c3f Merge pull request #1365 from AtzeDeVries/master 
Give more control over IPIP, but with same default behaviour
 2017-07-12 10:17:17 -05:00
Brad Beam e0bf8b2aab Adding recursive=true for rkt kubelet dir 
Fixes #1434
 2017-07-12 09:28:54 -05:00
Spencer Smith c75b21a510 Merge pull request #1408 from amitkumarj441/patch-1 
Remove deprecated 'enable-cri' flag in kubernetes 1.7
 2017-07-11 08:56:14 -04:00
Delfer 9f45eba6f6 Kubernetes upgrade to 1.6.7 2017-07-11 09:11:55 +00:00
AtzeDeVries e160018826 Fixed conflicts, ipip:true as defualt and added ipip_mode 2017-07-08 14:36:44 +02:00
Spencer Smith d1a02bd3e9 match kubespray-defaults dns mode with k8s-cluster setting 2017-07-07 13:13:12 -04:00
Brad Beam 992023288f Merge pull request #1319 from fieryvova/private-dns-server 
Add private dns server for a specific zone
 2017-07-06 15:02:54 -05:00
Spencer Smith 3ab90db6ee Merge pull request #1411 from kevinjqiu/allow-calico-ipip-subnet-mode 
Allow calico ipPool to be created with mode "cross-subnet"
 2017-07-06 14:04:03 -04:00
Vladimir Kozyrev e26be9cb8a add private dns server for a specific zone 2017-07-06 16:30:47 +03:00
Spencer Smith bba555bb08 Merge pull request #1346 from Starefossen/patch-1 
Set kubedns minimum replicas to 2
 2017-07-06 09:14:11 -04:00
Spencer Smith 4b0af73dd2 Merge pull request #1332 from gstorme/kube_apiserver_insecure_port 
Use the kube_apiserver_insecure_port variable instead of static 8080
 2017-07-06 09:06:50 -04:00
Spencer Smith da72b8c385 Merge pull request #1391 from Abdelsalam-Abbas/master 
Uncodron Masters which have scheduling Enabled
 2017-07-06 09:06:02 -04:00
Spencer Smith 44079b7176 Merge pull request #1401 from Lendico/better_task_naming 
Better naming for recurrent tasks
 2017-07-06 09:01:07 -04:00
Kevin Jing Qiu a742d10c54 Allow calico ipPool to be created with mode "cross-subnet" 2017-07-04 19:05:16 -04:00
Hans Kristian Flaatten 38f5d1b18e Set kubedns minimum replicas to 2 2017-07-04 16:58:16 +02:00
Abdelsalam Abbas 5f75d4c099 Uncodron Masters which have scheduling Enabled 2017-07-03 15:30:21 +02:00
Amit Kumar Jaiswal 319a0d65af Update kubelet.j2 
Updated with closing endif.
 2017-07-03 16:23:35 +05:30
Amit Kumar Jaiswal 3d2680a102 Update kubelet.j2 
Updated!
 2017-07-03 15:58:50 +05:30
Amit Kumar Jaiswal c36fb5919a Update kubelet.j2 
Updated!!
 2017-07-03 15:55:04 +05:30
Amit Kumar Jaiswal 46d3f4369e Updated K8s version 
Signed-off-by: Amit Kumar Jaiswal <amitkumarj441@gmail.com>
 2017-07-03 04:06:42 +05:30
Martin Joehren c2b3920b50 added flag for not populating inventory entries to etc hosts file 2017-06-30 16:41:03 +00:00
Spencer Smith 6e7323e3e8 Merge pull request #1398 from tanshanshan/fix-reset 
clean files in reset roles
 2017-06-30 07:59:44 -04:00
Spencer Smith f085419055 Merge pull request #1388 from vgkowski/master 
add six package to bootstrap role
 2017-06-30 07:30:36 -04:00
Anton Nerozya 1fedbded62 ignore_errors instead of failed_when: false 2017-06-29 20:15:14 +02:00
Anton Nerozya c8258171ca Better naming for recurrent tasks 2017-06-29 19:50:09 +02:00
tanshanshan 007ee0da8e fix reset 2017-06-29 14:45:15 +08:00
Brad Beam 5e1ac9ce87 Merge pull request #1354 from chadswen/kubedns-var-fix 
kubedns consistency fixes
 2017-06-27 22:26:46 -05:00
Brad Beam a7cd08603e Merge pull request #1384 from gdmello/etcd_backup_dir_fix 
Make etcd_backup_prefix configurable.
 2017-06-27 22:25:53 -05:00
Brad Beam 854cd1a517 Merge pull request #1380 from jwfang/max-dns 
docker_dns_servers_strict to control docker_dns_servers rtrim
 2017-06-27 21:15:12 -05:00
Spencer Smith 23565ebe62 Merge pull request #1356 from rsmitty/rename 
Rename project to kubespray
 2017-06-27 11:40:03 -04:00
Chad Swenson 8467bce2a6 Fix inconsistent kubedns version and parameterize kubedns autoscaler image vars 2017-06-27 10:19:31 -05:00
gdmelloatpoints 649654207f mount the etcd data directory in the container with the same path as on the host. 2017-06-27 09:29:47 -04:00
gdmelloatpoints 3123502f4c move etcd_backup_prefix to new home. 2017-06-27 09:12:34 -04:00
vincent gromakowski 17d54cffbb add six package to bootstrap role 2017-06-27 10:08:57 +02:00
Seungkyu Ahn d5516a4ca9 Make kubedns up to date 
Update kube-dns version to 1.14.2
https://github.com/kubernetes/kubernetes/pull/45684
 2017-06-27 00:57:29 +00:00
gdmelloatpoints 4ba237c5d8 Make etcd_backup_prefix configurable. Ensures that backups can be stored on a different location other than ${HOST}/var/backups, say an EBS volume on AWS. 2017-06-26 09:42:30 -04:00
jwfang ec2255764a docker_dns_servers_strict to control docker_dns_servers rtrim 2017-06-26 17:29:12 +08:00
Abdelsalam Abbas 1a8e92c922 Fixing cordoning condition that cause fail for upgrading the cluster 2017-06-23 20:41:47 +02:00
gdmelloatpoints 5c1891ec9f In the etcd container, the etcd data directory is always /var/lib/etcd. Reverting to this value, since etcd_data_dir on the host maps to /var/lib/etcd in the container. 2017-06-23 13:49:31 -04:00
Spencer Smith bae5ce0bfa Merge branch 'master' into rename 2017-06-23 12:23:51 -04:00
AtzeDeVries 61b74f9a5b updated to direct control over ipip 2017-06-23 09:16:05 +02:00
AtzeDeVries 7332679678 Give more control over IPIP, but with same default behaviour 2017-06-20 14:50:08 +02:00
Seungkyu Ahn 91dff61008 Fixed helm bash complete 2017-06-19 15:33:50 +09:00
Spencer Smith 8203383c03 rename almost all mentions of kargo 2017-06-16 13:25:46 -04:00
Gregory Storme fff0aec720 add configurable parameter for etcd_auto_compaction_retention 2017-06-14 10:39:38 +02:00
Brad Beam b73786c6d5 Merge pull request #1335 from bradbeam/imagerepo 
Set default value for kube_hyperkube_image_repo
 2017-06-12 09:46:17 -05:00
Gregory Storme 266ca9318d Use the kube_apiserver_insecure_port variable instead of static 8080 2017-06-12 09:20:59 +02:00
Brad Beam db3e8edacd Fixing up vault variables 2017-06-08 16:15:33 -05:00
Brad Beam 6e41634295 Set default value for kube_hyperkube_image_repo 
Fixes #1334
 2017-06-08 12:22:16 -05:00
Brad Beam 780308c194 Merge pull request #1174 from jlothian/atomic-docker-restart 
Fix docker restart in atomic
 2017-06-07 12:05:32 -05:00
Brad Beam 696fd690ae Merge pull request #1092 from bradbeam/rkt_docker 
Adding flag for docker container in kubelet w/ rkt
 2017-06-06 12:58:40 -05:00
Spencer Smith 01c0ab4f06 check if cloud_provider is defined 2017-05-31 08:24:24 -04:00
Spencer Smith 7220b09ff9 Merge pull request #1315 from rsmitty/hostnames-upgrade 
Resolve upgrade issues
 2017-05-30 11:40:19 -04:00
Spencer Smith 56b86bbfca inventory hostname for cordoning/uncordoning 2017-05-26 17:47:25 -04:00
Spencer Smith 7e2aafcc76 add direct path for cert in AWS with RHEL family 2017-05-26 17:32:50 -04:00
Justin Hunthrop af55e179c7 adding --skip-exists flag for peer_with_router 2017-05-25 14:29:18 -05:00
zoues 43408634bb Merge branch 'master' into master 2017-05-23 09:32:28 +08:00
zouyee d47fce6ce7 upgrade k8s version to 1.6.4 2017-05-23 09:30:03 +08:00
Matthew Mosesohn 9e64267867 Merge pull request #1293 from mattymo/kubelet_host_mode 
Add host-based kubelet deployment
 2017-05-19 18:07:39 +03:00
Josh Lothian 7ae5785447 Removed the other unused handler 
With live-restore: true, we don't need a special docker restart
 2017-05-19 09:50:10 -05:00
Josh Lothian ef8d3f684f Remove unused handler 
Previous patch removed the step that sets live-restore
back to false, so don't try to notify that handler any more
 2017-05-19 09:45:46 -05:00
Matthew Mosesohn cc6e3d14ce Add host-based kubelet deployment 
Kubelet gets copied from hyperkube container and run locally.
 2017-05-19 16:54:07 +03:00
Spencer Smith 005b01bd9a Merge pull request #1299 from bradbeam/kubelet 
Minor kubelet updates
 2017-05-18 12:52:43 -04:00
Josh Lothian 6f67367b57 Leave 'live-restore' false 
Leave live-restore false to updates always pick
up new network configuration
 2017-05-17 14:31:49 -05:00
Josh Lothian 9ee0600a7f Update handler names and explanation 2017-05-17 14:31:49 -05:00
Josh Lothian 30cc7c847e Reconfigure docker restart behavior on atomic 
Before restarting docker, instruct it to kill running
containers when it restarts.

Needs a second docker restart after we restore the original
behavior, otherwise the next time docker is restarted by
an operator, it will unexpectedly bring down all running
containers.
 2017-05-17 14:31:49 -05:00
Josh Lothian a5bb24b886 Fix docker restart in atomic 
In atomic, containers are left running when docker is restarted.
When docker is restarted after the flannel config is put in place,
the docker0 interface isn't re-IPed because docker sees the running
containers and won't update the previous config.

This patch kills all the running containers after docker is stopped.
We can't simply `docker stop` the running containers, as they respawn
before we've got a chance to stop the docker daemon, so we need to
use runc to do this after dockerd is stopped.
 2017-05-17 14:31:49 -05:00
Brad Beam b999ee60aa Fixing typo in kubelet cluster-dns and cluster-domain flags 2017-05-16 15:43:29 -05:00
Brad Beam 85afd3ef14 Removing old sysv reference 2017-05-16 15:28:39 -05:00
Spencer Smith 1907030d89 issue raw yum command since we don't have facts in bootstrapping 2017-05-16 10:07:38 -04:00
Spencer Smith efa2dff681 remove conditional 2017-05-12 17:16:49 -04:00
Spencer Smith 31a7b7d24e default to kubedns and set nxdomain in kubedns deployment if that's the dns_mode 2017-05-12 15:57:24 -04:00
moss2k13 791ea89b88 Updated helm installation 
Added full path for helm
 2017-05-08 09:27:06 +02:00
Spencer Smith c572760a66 Merge pull request #1254 from iJanki/cert_group 
Adding /O=system:masters to admin certificate
 2017-05-05 10:58:42 -04:00
Brad Beam 69fc19f7e0 Merge pull request #1252 from adidenko/separate-tags-for-netcheck-containers 
Add support for different tags for netcheck containers
 2017-05-05 08:04:54 -05:00
Spencer Smith b939c24b3d Merge pull request #1250 from digitalrebar/master 
bootstrap task on centos missing packages
 2017-05-02 12:24:11 -04:00
Spencer Smith 3eb494dbe3 Merge pull request #1259 from bradbeam/calico214 
Updating calico to v2.1.4
 2017-05-02 12:20:47 -04:00
Spencer Smith 0afbc19ffb ensure the /etc/os-release is mounted read only 2017-05-01 14:51:40 -04:00
Spencer Smith ac9290f985 add for rkt as well 2017-04-28 17:45:10 -04:00
Brad Beam a133ba1998 Updating calico to v2.1.4 2017-04-28 14:04:25 -05:00
Spencer Smith 5657738f7e mount os-release to ensure the node's OS is what's seen in k8s api 2017-04-28 13:40:54 -04:00
Aleksandr Didenko 883ba7aa90 Add support for different tags for netcheck containers 
Replace 'netcheck_tag' with 'netcheck_version' and add additional
'netcheck_server_tag' and 'netcheck_agent_tag' config options to
provide ability to use different tags for server and agent
containers.
 2017-04-27 17:15:28 +02:00
Sergii Golovatiuk 674b71b535 Ansible 2.3 support 
- Fix when clauses in various places
- Update requirements.txt
- Fix README.md

Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>
 2017-04-26 15:22:10 +02:00
Aleksey Kasatkin 2638ab98ad add MY_NODE_NAME variable into netchecker-agent environment 2017-04-24 17:19:42 +03:00
Matthew Mosesohn bc3068c2f9 Merge pull request #1251 from FengyunPan/fix-helm-home 
Specify a dir and attach it to helm for HELM_HOME
 2017-04-24 15:17:28 +03:00
FengyunPan 2bde9bea1c Specify a dir and attach it to helm for HELM_HOME 2017-04-21 10:51:27 +08:00
Greg Althaus 041d4d666e Install required selinux-python bindings in bootstrap 
on centos.  The bootstrap tty fixup needs it.
 2017-04-20 11:17:01 -05:00
Spencer Smith 88b5065e7d fix stray 'in' and break into multiple lines for clarity 2017-04-20 09:53:01 -04:00
Spencer Smith b690008192 allow for correct aws default resolver 2017-04-20 09:32:03 -04:00
Matthew Mosesohn 2d6bc9536c Merge pull request #1246 from holser/disable_dns_for_kube_services 
Change DNS policy for kubernetes components
 2017-04-20 16:12:52 +03:00
Sergii Golovatiuk 01dc6b2f0e Add aws to default_resolver 
When VPC is used, external DNS might not be available. This patch change
behavior to use metadata service instead of external DNS when
upstream_dns_servers is not specified.

Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>
 2017-04-20 11:47:19 +02:00
Sergii Golovatiuk d8aa2d0a9e Change DNS policy for kubernetes components 
According to code apiserver, scheduler, controller-manager, proxy don't
use resolution of objects they created. It's not harmful to change
policy to have external resolver.

Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>
 2017-04-20 11:22:57 +02:00
Matthew Mosesohn 19bb97d24d Merge pull request #1238 from Starefossen/fix/namespace-template-file 
Move namespace file to template directory
 2017-04-20 12:19:55 +03:00
Matthew Mosesohn 9f4f168804 Merge pull request #1241 from bradbeam/rktcnidir 
Explicitly create cni bin dir
 2017-04-20 12:19:26 +03:00
Matthew Mosesohn cf3083d68e Merge pull request #1239 from mattymo/resettags 
Add tags to reset playbook and make iptables flush optional
 2017-04-20 11:35:08 +03:00
Sergii Golovatiuk e796cdbb27 Fix restart kube-controller (#1242) 
kubernetesUnitPrefix was changed to k8s_* in 1.5. This patch reflects
this change in kargo
 2017-04-20 11:26:01 +03:00
Matthew Mosesohn 2d44582f88 Add tags to reset playbook and make iptables flush optional 
Fixes #1229
 2017-04-19 19:32:18 +03:00
Brad Beam b60a897265 Explicitly create cni bin dir 
If this path doesnt exist, it will cause kubelet to fail to start when
using rkt
 2017-04-19 16:00:44 +00:00
Hans Kristian Flaatten d68cfeed6e
Move namespace file to template directory 2017-04-19 13:37:02 +02:00
Spencer Smith c3c9e955e5 Merge pull request #1232 from rsmitty/custom-flags 
add ability for custom flags
 2017-04-17 14:01:32 -04:00
Spencer Smith 72d5db92a8 remove stray spaces in templating 2017-04-17 12:24:24 -04:00
Spencer Smith 3f302c8d47 ensure spacing on string of flags 2017-04-17 12:13:39 -04:00
Spencer Smith 04a769bb37 ensure spacing on string of flags 2017-04-17 11:11:10 -04:00
Spencer Smith f9d4a1c1d8 update to safeguard against accidentally passing string instead of list 2017-04-17 11:09:34 -04:00
Matthew Mosesohn 3e7db46195 Merge pull request #1233 from gbolo/master 
allow admission control plug-ins to be easily customized
 2017-04-17 12:59:49 +03:00
Matthew Mosesohn e52aca4837 Merge pull request #1223 from mattymo/vault_cert_skip 
Skip vault cert task evaluation when using script certs
 2017-04-17 12:52:42 +03:00
Matthew Mosesohn 5ec503bd6f Merge pull request #1222 from bradbeam/calico 
Updating calico versions
 2017-04-17 12:52:20 +03:00
gbolo 49be805001
allow admission control plug-ins to be easily customized 2017-04-16 22:03:45 -04:00
Spencer Smith 94596388f7 add ability for custom flags 2017-04-14 17:33:04 -04:00
Spencer Smith 5c4980c6e0 Merge pull request #1231 from holser/fix_netchecker-server 
Reschedule netchecker-server in case of HW failure.
 2017-04-14 10:50:07 -04:00
Matthew Mosesohn d7b8fb3113 Update start_vault_temp.yml 2017-04-14 13:32:41 +03:00
Sergii Golovatiuk 45044c2d75 Reschedule netchecker-server in case of HW failure. 
Pod opbject is not reschedulable by kubernetes. It means that if node
with netchecker-server goes down, netchecker-server won't be scheduled
somewhere. This commit changes the type of netchecker-server to
Deployment, so netchecker-server will be scheduled on other nodes in
case of failures.
 2017-04-14 10:49:16 +02:00
Joe Duhamel a9f260d135 Update dnsmasq-autoscaler 
changed target to be a deployment rather than a replicationcontroller.
 2017-04-13 15:07:06 -04:00
Joe Duhamel 072b3b9d8c Update kubedns-autoscaler change target 
The target was a replicationcontroller but kubedns is currently a deployment
 2017-04-13 14:55:25 -04:00
Matthew Mosesohn ae7f59e249 Skip vault cert task evaluation completely when using script cert generation 2017-04-13 19:29:07 +03:00
Brad Beam bce1c62308 Updating calico versions 2017-04-11 20:52:04 -05:00
Spencer Smith 9b3aa3451e Merge pull request #1218 from bradbeam/efkidempotent 
Fixing resource type for kibana
 2017-04-11 19:04:13 -04:00
Spencer Smith 436c0b58db Merge pull request #1217 from bradbeam/helmcompletion 
Excluding bash completion for helm on CoreOS
 2017-04-11 17:34:11 -04:00
zouyee 0bcecae2a3 upgrade etcd version from v3.0.6 to v3.0.17 2017-04-11 10:42:35 +08:00
Brad Beam bd130315b6 Excluding bash completion for helm on CoreOS 2017-04-10 11:07:15 -05:00
Brad Beam 504711647e Fixing resource type for kibana 2017-04-10 11:01:12 -05:00
Antoine Legrand ab12b23e6f Merge pull request #1173 from bradbeam/dockerlogs 
Setting defaults for docker log rotation
 2017-04-09 11:50:01 +02:00
Matthew Mosesohn 1c45d37348 Update kubelet.j2 2017-04-06 22:59:18 +03:00
Matthew Mosesohn b521255ec9 Unbreak 1.5 deployment with kubelet 
1.5 kubelet fails to start when using unknown params
 2017-04-06 21:07:48 +03:00
Matthew Mosesohn 75ea001bfe Merge pull request #1208 from mattymo/1.6-flannel 
Update to k8s 1.6 with flannel and centos fixes
 2017-04-06 13:04:02 +03:00
Matthew Mosesohn ff2fb9196f Fix flannel for 1.6 and apply fixes to enable containerized kubelet 2017-04-06 10:06:21 +04:00
Matthew Mosesohn acae0fe4a3 Merge pull request #1205 from holser/resolv_updates 
Refactoring resolv.conf
 2017-04-05 14:22:52 +03:00
Matthew Mosesohn ccc11e5680 Upgrade to Kubernetes 1.6.1 2017-04-05 13:26:36 +03:00
Sergii Golovatiuk 2670eefcd4 Refactoring resolv.conf 
- Renaming templates for netchecker
- Add dnsPolicy: ClusterFirstWithHostNet to kube-proxy

Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>
 2017-04-05 09:28:01 +02:00
Matthew Mosesohn c0cae9e8a0 Merge pull request #1204 from mattymo/resolvconf-nodes 
Restart kubelet when updating /etc/resolv.conf on all k8s nodes
 2017-04-04 22:03:44 +03:00
Matthew Mosesohn f8cf6b4f7c Merge pull request #1186 from holser/resolv_conf 
Set ClusterFirstWithHostNet for Pods with hostnetwork: true
 2017-04-04 20:49:55 +03:00
Matthew Mosesohn a29182a010 Restart kubelet when updating /etc/resolv.conf on all k8s nodes 2017-04-04 20:43:47 +03:00
Sergii Golovatiuk 1cfe0beac0 Set ClusterFirstWithHostNet for Pods with hostnetwork: true 
In kubernetes 1.6 ClusterFirstWithHostNet was added as an option. In
accordance to it kubelet will generate resolv.conf based on own
resolv.conf. However, this doesn't create 'options', thus the proper
solution requires some investigation.

This patch sets the same resolv.conf for kubelet as host

Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>
 2017-04-04 16:34:13 +02:00
Matthew Mosesohn 798f90c4d5 Merge pull request #1153 from mattymo/graceful_drain 
Move graceful upgrade test to Ubuntu canal HA, adjust drain
 2017-04-04 17:33:53 +03:00
Matthew Mosesohn f8d44a8a88 Merge pull request #1200 from mattymo/issue1190 
Fix multiline condition for k8s check certs
 2017-04-04 15:48:05 +03:00
Matthew Mosesohn b4d06ff8dd Add /var/lib/cni to kubelet 
Necessary to persist this directory for host-local IPAM used by Canal
Add pre-upgrade task to copy /var/lib/cni out of old kubelet.
 2017-04-03 19:38:24 +03:00
Matthew Mosesohn 7581705007 Merge pull request #1185 from intelsdi-x/hostname 
Use hostname module to set hostname, and do it for all Os not only Co…
 2017-04-03 19:01:12 +03:00