Commit graph

746 commits

Author SHA1 Message Date
Spencer Smith
7e2aafcc76 add direct path for cert in AWS with RHEL family 2017-05-26 17:32:50 -04:00
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
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
Brad Beam
b999ee60aa Fixing typo in kubelet cluster-dns and cluster-domain flags 2017-05-16 15:43:29 -05:00
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
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
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
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
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
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
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
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
Matthew Mosesohn
ae7f59e249 Skip vault cert task evaluation completely when using script cert generation 2017-04-13 19:29:07 +03:00
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
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
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
5a5707159a Fix multiline condition for k8s check certs
Fixes #1190
2017-04-03 17:44:55 +03:00
Matthew Mosesohn
80828a7c77 use etcd2 when upgrading unless forced 2017-04-03 15:07:42 +03:00
Matthew Mosesohn
d42e4f2344 Update .gitlab-ci.yml 2017-03-30 12:19:15 +04:00
Matthew Mosesohn
48beef25fa delete master containers forcefully 2017-03-27 19:08:22 +03:00
Matthew Mosesohn
a3f568fc64 restart scheduler and controller-manager too 2017-03-27 13:51:35 +03:00
Matthew Mosesohn
57ee304260 ensure post-upgrade purge ones only once 2017-03-27 13:28:37 +03:00
Matthew Mosesohn
0794a866a7 switch debian8-canal-ha to ubuntu 2017-03-27 13:28:37 +03:00
Matthew Mosesohn
49e4d344da move network plugins out of grouped upgrades 2017-03-27 13:28:37 +03:00
Matthew Mosesohn
6e505c0c3f Fix delegate tasks for kubectl and etcdctl 2017-03-27 13:28:37 +03:00
Matthew Mosesohn
e9a294fd9c Significantly reduce memory requirements
Canal runs more pods and upgrades need a bit of extra
room to load new pods in and get the old ones out.
2017-03-27 13:28:37 +03:00
Matthew Mosesohn
44d851d5bb Only cordon Ready nodes 2017-03-27 13:28:37 +03:00
Matthew Mosesohn
c2c334d22f Merge pull request #1181 from holser/refactor_etcd
Refactor etcd role
2017-03-27 13:05:35 +03:00
Sergii Golovatiuk
f144fd1ed3 Refactor etcd role
- Run docker run from script rather than directly from systemd target
- Refactoring styling/templates

Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>
2017-03-24 12:34:15 +01:00
Vladimir Rutsky
c4e57477fb replace non-breakable space with regular space
Non-brekable space is 0xc2 0xa0 byte sequence in UTF-8.

To find one:

    $ git grep -I -P '\xc2\xa0'

To replace with regular space:

    $ git grep -l -I -P '\xc2\xa0' | xargs sed -i 's/\xc2\xa0/ /g'

This commit doesn't include changes that will overlap with commit f1c59a91a1.
2017-03-23 00:25:01 +03:00
Matthew Mosesohn
1887e984a0 Change wait for dnsmasq to skip if there are no kube-nodes in play
Also changed unnecessary delay to a max timeout (now defaulting to 1s sleep
between tries)

Also rename play_hosts to ansible_play_hosts
2017-03-21 18:55:22 +03:00
Matthew Mosesohn
b7ab80e8ea Merge pull request #1149 from mattymo/centos-retries
Retry yum/apt/rpm download commands
2017-03-18 11:12:36 +03:00
Matthew Mosesohn
7760c3e4aa Retry yum/apt/rpm download commands, fix succeeded filter 2017-03-17 18:56:26 +03:00
Matthew Mosesohn
3cfb76e57f Merge pull request #1146 from mattymo/resolvconf_optimize
Condense resolvconf sources before starting loop
2017-03-17 18:42:32 +03:00
Matthew Mosesohn
25bff851dd Merge pull request #1136 from adidenko/fix-calico-policy-order
Move calico-policy-controller into separate role
2017-03-17 17:32:14 +03:00
Aleksandr Didenko
3a39904011 Move calico-policy-controller into separate role
By default Calico CNI does not create any network access policies
or profiles if 'policy' is enabled in CNI config. And without any
policies/profiles network access to/from PODs is blocked.

K8s related policies are created by calico-policy-controller in
such case. So we need to start it as soon as possible, before any
real workloads.

This patch also fixes kube-api port in calico-policy-controller
yaml template.

Closes #1132
2017-03-17 11:21:52 +01:00
Matthew Mosesohn
a52064184e Condense resolvconf sources before starting loop 2017-03-17 13:06:56 +03:00
Matthew Mosesohn
b0830f0cd7 Merge pull request #1087 from bradbeam/openstack
Adding openstack domain id
2017-03-16 17:53:14 +03:00
Matthew Mosesohn
8195957461 Merge branch 'master' into idempotency2 2017-03-16 09:29:43 +03:00
Matthew Mosesohn
02fed4a082 Merge pull request #1138 from mattymo/idempotency-fixes
Idempotency fixes for etcd certs and resolvconf tasks
2017-03-16 09:20:28 +03:00
Matthew Mosesohn
a422ad0d50 More idempotency fixes
Fixed sync_tokens fact
Fixed sync_certs for k8s tokens fact
Disabled register docker images changability
Fixed CNI dir permission
Fix idempotency for etcd pre upgrade checks
2017-03-15 19:06:39 +03:00
Matthew Mosesohn
4354162067 Merge pull request #1080 from VincentS/Granular_Auth_Control
Granular authentication Control
2017-03-15 13:12:51 +03:00
Matthew Mosesohn
a62a444229 Merge pull request #1117 from mattymo/etcd3-upgrade
Migrate k8s data to etcd3 api store
2017-03-15 12:56:06 +03:00
Matthew Mosesohn
f6b72fa830 Make resolvconf preinstall idempotent 2017-03-15 01:20:13 +04:00
Vincent Schwarzer
026da060f2 Granular authentication Control
It is now possible to deactivate selected authentication methods
(basic auth, token auth) inside the cluster by adding
removing the required arguments to the Kube API Server and generating
the secrets accordingly.

The x509 authentification is currently not optional because disabling it
would affect the kubectl clients deployed on the master nodes.
2017-03-14 16:57:35 +01:00
Matthew Mosesohn
3feab1cb2d Merge pull request #1134 from mattymo/1.6-support
Explicitly set cni-bin-dir
2017-03-14 17:53:08 +03:00
Matthew Mosesohn
804e9a09c0 Migrate k8s data to etcd3 api store
Default backend is now etcd3 (was etcd2).
The migration process consists of the following steps:
* check if migration is necessary
* stop etcd on first etcd server
* run migration script
* start etcd on first etcd server
* stop kube-apiserver until configuration is updated
* update kube-apiserver
* purge old etcdv2 data
2017-03-14 17:50:20 +03:00
Matthew Mosesohn
4038954f96 Merge pull request #1078 from VincentS/oidc_support
Added Support for OpenID Connect Authentication
2017-03-14 12:07:21 +03:00
Matthew Mosesohn
52a6dd5427 Explicitly set cni-bin-dir 2017-03-13 20:13:21 +03:00
Matthew Mosesohn
c301dd5d94 Merge pull request #1118 from mattymo/noderolelabels
Add node labels in kubelet
2017-03-13 19:04:21 +03:00
Cesarini, Daniele
69636d2453 Adding /O=system:masters to admin certificate
Issue #1125. Make RBAC authorization plugin work out of the box.
"When bootstrapping, superuser credentials should include the system:masters group, for example by creating a client cert with /O=system:masters. This gives those credentials full access to the API and allows an admin to then set up bindings for other users."
2017-03-08 14:42:25 +00:00
Brad Beam
d04fbf3f78 Removing cloud_provider tag to fix scenario where cloud_provider is not defined 2017-03-06 10:52:38 -06:00
Matthew Mosesohn
54207877bd Add node labels in kubelet
Related-issue: https://github.com/kubernetes/community/issues/300
Upgraded nodes do not obtain labels automatically.
See https://github.com/kubernetes/kubernetes/pull/29459 for more details.
2017-03-06 17:18:42 +03:00
Vincent Schwarzer
b075960e3b Added Support for OpenID Connect Authentication
To use OpenID Connect Authentication beside deploying an OpenID Connect
Identity Provider it is necesarry to pass additional arguments to the Kube API Server.
These required arguments were added to the kube apiserver manifest.
2017-03-06 12:40:35 +01:00
Antoine Legrand
85596c2610 Merge pull request #1045 from bradbeam/vsphere
Adding vsphere cloud provider support
2017-03-06 12:34:05 +01:00
Antoine Legrand
ee5f009b95 Merge pull request #1112 from mattymo/skip_vault_if_disabled
Disable vault role properly on ansible 2.2.0
2017-03-06 11:27:53 +01:00
Matthew Mosesohn
45274560ec Disable vault role properly on ansible 2.2.0
when condition does not seem to work correctly at playbook
level for ansible 2.2.0.
2017-03-05 00:43:01 +04:00
Matthew Mosesohn
8f3d9e93ce Merge pull request #1111 from mattymo/use_find_for_certs
Use find module for checking for certificates
2017-03-03 20:08:33 +03:00
Matthew Mosesohn
d176818c44 Use find module for checking for certificates
Also generate certs only when absent on master (rather than
when absent on target node)
2017-03-03 16:21:01 +03:00
Bogdan Dobrelya
aeec0f9a71 Merge pull request #1071 from vijaykatam/atomic_host
Add support for atomic host
2017-03-03 13:03:59 +01:00
Matthew Mosesohn
08a02af833 Merge pull request #1075 from VincentS/loadbalancer_aws
Possibility to add Loadbalancers without static IP (e.g. AWS ELB) #1074
2017-03-03 14:07:22 +03:00
Matthew Mosesohn
5ebc9a380c Merge pull request #1060 from holser/etcdv3
Allow to specify etcd backend for kube-api
2017-03-02 17:24:09 +03:00
Vincent Schwarzer
68e8d74545 Changes based on feedback (additional ansible checks) 2017-03-02 11:04:10 +01:00
Vincent Schwarzer
fc054e21f6 Modified how adding LB for the Kube API is handled (AWS)
Until now it was not possible to add an API Loadbalancer
without an static IP Address. But certain Loadbalancers
like AWS Elastic Loadbalanacer dontt have an fixed IP address.
With this commit it is possible to add these kind of Loadbalancers
to the Kargo deployment.
2017-03-02 11:04:10 +01:00
Matthew Mosesohn
a5cd73d047 Merge pull request #959 from galthaus/host-mode-restart
Restart kube-controller for host_resolvconf mode
2017-03-01 20:54:21 +03:00
Vijay Katam
a0b1eda1d0 Add support for atomic host
Updates based on feedback

Simplify checks for file exists

remove invalid char

Review feedback. Use regular systemd file.

Add template for docker systemd atomic
2017-03-01 09:38:19 -08:00
Sergii Golovatiuk
295103adc0 Allow to specify etcd backend for kube-api
Kubernetes project is about to set etcdv3 as default storage engine in
1.6. This patch allows to specify particular backend for
kube-apiserver. User may force the option to etcdv3 for new environment.
At the same time if the environment uses v2 it will continue uses it
until user decides to upgrade to v3.

Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>
2017-02-28 17:13:22 +01:00
Brad Beam
8a63b35f44 Adding flag for docker container in kubelet w/ rkt 2017-02-28 07:55:12 -06:00
Brad Beam
bfff06d402 Adding KUBELET_CLOUDPROVIDER to kubelet.rkt.service 2017-02-28 06:29:35 -06:00
Brad Beam
30a9899262 Making openstack domain name optional 2017-02-27 21:19:27 -06:00
Xavier Lange
dd10b8a27c Bug fix: support kilo's keystone requirement for domain-name, extracts from ENV var 2017-02-27 21:18:30 -06:00
Brad Beam
dbf13290f5 Updating vsphere cloud provider support 2017-02-27 15:08:04 -06:00
Jan Jungnickel
df476b0088 Initial support for vsphere as cloud provider 2017-02-27 12:51:41 -06:00
Brad Beam
56664b34a6 Lower default memory requests
This is to address out of memory issues on CI as well as help
fit deployments for people starting out with kargo on smaller
machines
2017-02-27 10:53:43 -06:00
Bogdan Dobrelya
069606947c Merge pull request #1063 from bogdando/fix
Align LB defaults with the HA docs
2017-02-27 10:14:42 +01:00
Sergii Golovatiuk
00cfead9bb Increase SSL TTL to 3650 days
In real scenarios 365 days is short period of time. 3650 days is good
enough for long running k8s environments
2017-02-24 15:38:13 +01:00
Bogdan Dobrelya
f2a4619c57 Align LB defaults with the HA docs
Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
2017-02-23 10:32:44 +01:00
Bogdan Dobrelya
712872efba Rework inventory all by real groups' vars
* Leave all.yml to keep only optional vars
* Store groups' specific vars by existing group names
* Fix optional vars casted as mandatory (add default())
* Fix missing defaults for an optional IP var
* Relink group_vars for terraform to reflect changes

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
2017-02-23 09:43:42 +01:00
Matthew Mosesohn
8cbf3fe5f8 Merge pull request #1020 from mattymo/synthscale
Add synthetic scale deployment mode
2017-02-22 19:15:46 +03:00
Ivan Shvedunov
0006e5ab45 Fix shell special vars 2017-02-21 22:22:40 +03:00
Matthew Mosesohn
d821448e2f Merge branch 'master' into synthscale 2017-02-21 22:17:43 +03:00
Matthew Mosesohn
0afadb9149 Merge pull request #1046 from skyscooby/pedantic-syntax-cleanup
Cleanup legacy syntax, spacing, files all to yml
2017-02-21 17:03:16 +03:00
Matthew Mosesohn
042d094ce7 Merge pull request #1034 from rutsky/fix-openssl-lb-index
fix load balancer DNS name index evaluation in openssl.conf
2017-02-20 20:23:26 +03:00
Matthew Mosesohn
3cc1491833 Merge branch 'master' into pedantic-syntax-cleanup 2017-02-20 20:19:38 +03:00
Abel Lopez
0bfc2d0f2f
Safe disable SELinux
Sometimes, a sysadmin might outright delete the SELinux rpms and
delete the configuration. This causes the selinux module to fail
with
```
IOError: [Errno 2] No such file or directory: '/etc/selinux/config'\n",
"module_stdout": "", "msg": "MODULE FAILURE"}
```

This simply checks that /etc/selinux/config exists before we try
to set it Permissive.

Update from feedback
2017-02-18 11:54:25 -08:00
Matthew Mosesohn
a21eb036ee Add no_log to cert tar tasks
This works around 4MB limit for gitlab CI runner.
2017-02-18 14:09:57 +04:00
Andrew Greenwood
ca9ea097df Cleanup legacy syntax, spacing, files all to yml
Migrate older inline= syntax to pure yml syntax for module args as to be consistant with most of the rest of the tasks
Cleanup some spacing in various files
Rename some files named yaml to yml for consistancy
2017-02-17 16:22:34 -05:00
Antoine Legrand
3629b9051d Merge pull request #1038 from rutsky/kubelet-mount-var-log
Mount host's /var/log into kubelet container
2017-02-17 10:26:12 +01:00
Vladimir Rutsky
bff955ff7e Mount host's /var/log into kubelet container
Kubelet is responsible for creating symlinks from /var/lib/docker to /var/log
to make fluentd logging collector work.
However without using host's /var/log those links are invisible to fluentd.

This is done on rkt configuration too.
2017-02-16 22:31:05 +03:00
Matthew Mosesohn
80c0e747a7 Fix references to CoreOS and Container Linux by CoreOS
Fixes #967
2017-02-16 19:25:17 +03:00
Vladimir Rutsky
a1ec6f401c fix load balancer DNS name index evaluation in openssl.conf
Looks like OpenSSL still properly handles it, even with duplicated
"DNS.X" items.
2017-02-16 00:16:13 +03:00
Matthew Mosesohn
d92d955aeb Merge pull request #985 from rutsky/check-mode-for-shell-commands
set "check_mode: on" for read-only "shell" steps that registers result
2017-02-15 17:53:41 +03:00
Brad Beam
4c891b8bb0 Adding support for proxy w/ rkt kubelet 2017-02-14 08:09:49 -06:00
Matthew Mosesohn
b7258ec3bb Merge pull request #1013 from mattymo/remove_masqerade_all
Disable kube_proxy_masquerade_all
2017-02-14 14:00:29 +03:00
Matthew Mosesohn
f5e27f1a21 Merge pull request #1021 from holser/remove_deprecated
Replace always_run with check_mode
2017-02-14 11:25:58 +03:00
Vladimir Rutsky
09847567ae set "check_mode: no" for read-only "shell" steps that registers result
"shell" step doesn't support check mode, which currently leads to failures,
when Ansible is being run in check mode (because Ansible doesn't run command,
assuming that command might have effect, and no "rc" or "output" is registered).

Setting "check_mode: no" allows to run those "shell" commands in check mode
(which is safe, because those shell commands doesn't have side effects).
2017-02-13 18:53:41 +03:00
Greg Althaus
2b10376339 When resolv.conf changes during host_resolvconf mode, we need to
restart the controller to get the new file configuration.
I'm not fond of this form and would like a better way, but this
seems to "work".
2017-02-13 09:20:02 -06:00
Sergii Golovatiuk
5f4cc3e1de Replace always_run with check_mode
always_run was deprecated in Ansible 2.2 and will be removed in 2.4
ansible logs contain "[DEPRECATION WARNING]: always_run is deprecated.
Use check_mode = no instead". This patch fix deprecation.
2017-02-13 15:00:56 +01:00
Sergii Golovatiuk
aeadaa1184 Set ssl_ca_dirs for rkt based on fact
Since systemd kubelet.service has {{ ssl_ca_dirs }}, fact should be
gathered before writing kubelet.service.

Closes: #1007
Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>
2017-02-13 13:28:29 +01:00
Matthew Mosesohn
2c532cb74d Disable kube_proxy_masquerade_all
Fixes #1012
2017-02-10 13:16:39 +03:00
Bogdan Dobrelya
89ae9f1f88 Merge pull request #1002 from code0x9/master
use ansible sysctl module for config ip forwarding
2017-02-10 10:40:18 +01:00
Matthew Mosesohn
2f88c9eefe Merge pull request #989 from holser/kubelet_remedy
Kubernetes Reliability Improvements
2017-02-10 09:29:29 +03:00
Sergii Golovatiuk
c07d60bc90 Kubernetes Reliability Improvements
- Exclude kubelet CPU/RAM (kube-reserved) from cgroup. It decreases a
  chance of overcommitment
- Add a possibility to modify Kubelet node-status-update-frequency
- Add a posibility to configure node-monitor-grace-period,
  node-monitor-period, pod-eviction-timeout for Kubernetes controller
  manager
- Add Kubernetes Relaibility Documentation with recomendations for
  various scenarios.

Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>
2017-02-09 23:54:08 +01:00
Greg Althaus
3f0c13af8a Make kubelet_load_modules always present but false.
Update code and docs for that assumption.
2017-02-09 10:25:44 -06:00
Greg Althaus
fcd78eb1f7 Due to the nsenter and other reworks, it appears that
kubelet lost the ability to load kernel modules.  This
puts that back by adding the lib/modules mount to kubelet.

The new variable kubelet_load_modules can be set to true
to enable this item.  It is OFF by default.
2017-02-09 10:02:26 -06:00
Mark Lee
e414c25fd7 follow sysctl.conf file symlink if linked 2017-02-09 18:16:52 +09:00
Mark Lee
34a71554ae use ansible sysctl module for config ip forwarding 2017-02-09 17:28:44 +09:00
Josh Conant
245e05ce61 Vault security hardening and role isolation 2017-02-08 21:41:36 +00:00
Matthew Mosesohn
0180ad7f38 Merge pull request #990 from mattymo/fix_cert_upgrade
Fix check for node-NODEID certs existence
2017-02-08 14:44:09 +03:00
Matthew Mosesohn
d587270293 Merge pull request #992 from vwfs/host_mount_dev
Host mount /dev for kubelet
2017-02-08 13:45:22 +03:00
Bogdan Dobrelya
c2bd76a22e Merge pull request #956 from adidenko/update-netchecker
Update playbooks to support new netchecker
2017-02-08 10:09:46 +01:00
Alexander Block
010fe30b53 Host mount /dev for kubelet 2017-02-08 09:55:51 +01:00
Matthew Mosesohn
e5779ab786 Fix check for node-NODEID certs existence
Fixes upgrade from pre-individual node cert envs.
2017-02-07 21:06:48 +03:00
Aleksandr Didenko
54af533b31 Update playbooks to support new netchecker
Netchecker is rewritten in Go lang with some new args instead of
env variables. Also netchecker-server no longer requires kubectl
container. Updating playbooks accordingly.
2017-02-07 15:20:34 +01:00
Matthew Mosesohn
f3a0f73588 Prevent dynamic port allocation in nodePort range
kube_apiserver_node_port_range should be accessible only
to kube-proxy and not be taken by a dynamic port allocation.

Potentially temporary if https://github.com/kubernetes/kubernetes/issues/40920
gets fixed.
2017-02-06 20:01:16 +03:00
Matthew Mosesohn
fd30131dc2 Revert "Drop linux capabilities and rework users/groups" 2017-02-06 15:58:54 +03:00
Bogdan Dobrelya
cae2982d81 Merge pull request #911 from bogdando/DROP_CAPS
Drop linux capabilities and rework users/groups
2017-02-06 12:05:51 +01:00
Bogdan Dobrelya
5a7a3f6d4a Merge pull request #949 from vmtyler/master
Fixes Support for OpenStack v3 credentials
2017-02-03 12:22:00 +01:00
Matthew Mosesohn
10f924a617 Merge pull request #927 from holser/nsenter_fix
Remove nsenter workaround
2017-02-02 18:18:15 +03:00
Sergii Golovatiuk
585afef945 Remove nsenter workaround
- Docker 1.12 and further don't need nsenter hack. This patch removes
  it.  Also, it bumps the minimal version to 1.12.

Closes #776

Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>
2017-02-02 14:38:11 +01:00
Greg Althaus
923057c1a8 This continues the DHCP hook checks. Also protect the create side
if the system doesn't have any config files at all.
2017-01-31 09:56:27 -06:00
Matthew Mosesohn
08822ec684 Fix cert distribution at scale
Use stdin instead of bash args to pass node filenames and base64 data.
Use tempfile for master cert data
2017-01-31 16:27:45 +03:00
Tyler Britten
f8ffa1601d Fixed for non-null output 2017-01-27 10:47:59 -05:00
Tyler Britten
da01bc1fbb Updated OpenStack vars to check for tenant_id (v2) and project_id (v3) 2017-01-27 10:26:20 -05:00
Xavier Lange
e5fdc63bdd Bugfix: skip cloud_config on etcd 2017-01-25 14:09:21 -08:00
Bogdan Dobrelya
cb2e5ac776 Drop linux capabilities and rework users/groups
* Drop linux capabilities for unprivileged containerized
  worlkoads Kargo configures for deployments.
* Configure required securityContext/user/group/groups for kube
  components' static manifests, etcd, calico-rr and k8s apps,
  like dnsmasq daemonset.
* Rework cloud-init (etcd) users creation for CoreOS.
* Fix nologin paths, adjust defaults for addusers role and ensure
  supplementary groups membership added for users.
* Add netplug user for network plugins (yet unused by privileged
  networking containers though).
* Grant the kube and netplug users read access for etcd certs via
  the etcd certs group.
* Grant group read access to kube certs via the kube cert group.
* Remove priveleged mode for calico-rr and run it under its uid/gid
  and supplementary etcd_cert group.
* Adjust docs.
* Align cpu/memory limits and dropped caps with added rkt support
  for control plane.

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
2017-01-20 08:50:42 +01:00
Matthew Mosesohn
8ce32eb3e1 Merge pull request #905 from galthaus/async-runs
Add tasks to ensure that the first nodes have their directories for cert gen
2017-01-19 18:32:27 +03:00
Matthew Mosesohn
aae0314bda Merge pull request #904 from galthaus/nginx-port-config
Add nginx local balancer port configuration variable
2017-01-19 18:31:57 +03:00
Greg Althaus
0d44599a63 Add explicit name printing in task names for deletgated task during
cert creation
2017-01-18 14:06:50 -06:00
Matthew Mosesohn
b6c3e61603 Fix setting resolvconf when using rkt deploy mode
rkt deploy mode doesn't create {{ bin_dir }}/kubelet, so
let's rely on kubelet.env file instad.
2017-01-18 19:18:47 +03:00
Matthew Mosesohn
b2a27ed089 Fix bash completion installation 2017-01-17 20:36:58 +03:00
Greg Althaus
6905edbeb6 Add a variable that defaults to kube_apiserver_port that defines
the which port the local nginx proxy should listen on for HA
local balancer configurations.
2017-01-14 23:38:07 -06:00
Greg Althaus
6c69da1573 This PR adds/or modifies a few tasks to allow for the playbook to
be run by limit on each node without regard for order.

The changes make sure that all of the directories needed to do
certificate management are on the master[0] or etcd[0] node regardless
of when the playbook gets run on each node.  This allows for separate
ansible playbook runs in parallel that don't have to be synchronized.
2017-01-14 23:24:34 -06:00
Greg Althaus
95bf380d07 If the inventory name of the host exceeds 63 characters,
the openssl tools will fail to create signing requests because
the CN is too long.  This is mainly a problem when FQDNs are used
in the inventory file.

THis will truncate the hostname for the CN field only at the
first dot.  This should handle the issue for most cases.
2017-01-13 10:02:23 -06:00
Matthew Mosesohn
80703010bd Use only one certificate for all apiservers
https://github.com/kubernetes/kubernetes/issues/25063
2017-01-13 14:03:20 +03:00
Bogdan Dobrelya
e88c10670e Merge pull request #891 from galthaus/selinux-order
preinstall fails on AWS CentOS7 image
2017-01-13 11:51:18 +01:00
Alexander Block
1054f37765 Don't try to delete kargo specific config from dhclient when file does not exist
Also remove the check for != "RedHat" when removing the dhclient hook,
as this had also to be done on other distros. Instead, check if the
dhclienthookfile is defined.
2017-01-13 10:56:10 +01:00
Greg Althaus
f77257cf79 When running on CentOS7 image in AWS with selinux on, the order of
the tasks fail because selinux prevents ip-forwarding setting.

Moving the tasks around addresses two issues.  Makes sure that
the correct python tools are in place before adjusting of selinux
and makes sure that ipforwarding is toggled after selinux adjustments.
2017-01-12 10:12:21 -06:00
Bogdan Dobrelya
f004cc07df Merge pull request #830 from mattymo/k8sperhost
Generate individual certificates for k8s hosts
2017-01-12 12:42:14 +01:00
Alexander Block
a7bf7867d7 Add tasks to undo changes to hosts /etc/resolv.conf and dhclient configs 2017-01-11 16:56:16 +01:00
Matthew Mosesohn
3f274115b0 Generate individual certificates for k8s hosts 2017-01-11 12:58:07 +03:00
Matthew Mosesohn
3b0918981e Merge pull request #878 from bradbeam/rkt-cni
Adding /opt/cni /etc/cni to rkt run kubelet
2017-01-11 12:22:04 +03:00
Bogdan Dobrelya
d8cef34d6c Merge pull request #872 from mattymo/bug868
Bind nginx localhost proxy to localhost
2017-01-10 17:09:25 +01:00
Brad Beam
db8173da28 Adding /opt/cni /etc/cni to rkt run kubelet 2017-01-10 08:48:58 -06:00
Bogdan Dobrelya
bcdfb3cfb0 Merge pull request #793 from kubernetes-incubator/fix_dhclientconf_path
Fix wrong path of dhclient on CentOS+Azure
2017-01-10 13:23:55 +01:00
Matthew Mosesohn
e22f938ae5 Bind nginx localhost proxy to localhost
This proxy should only be listening for local connections, not 0.0.0.0.

Fixes #868
2017-01-09 17:19:54 +03:00
Bogdan Dobrelya
091b634ea1 Merge pull request #799 from kubernetes-incubator/docker_dns
Implement "dockerd --dns-xxx" based dns mode
2017-01-09 11:38:02 +01:00
Alexander Block
1d2a18b355 Introduce dns_mode and resolvconf_mode and implement docker_dns mode
Also update reset.yml to do more dns/network related cleanup.
2017-01-05 23:38:51 +01:00
Spencer Smith
4a59340182 remove assertion for family not being CoreOS 2017-01-05 13:36:25 -05:00
Bogdan Dobrelya
5af2c42bde Better fix for different CoreOS os family facts
Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
2017-01-05 16:32:08 +01:00
Bogdan Dobrelya
f7447837c5 Rename CoreOS fact
Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
2017-01-05 14:02:29 +01:00
Brad Beam
4b6f29d5e1 Adding kubelet in rkt 2017-01-03 14:49:48 -06:00
Alexander Block
ab7df10a7d Upgrade docker version and do some cleanups for unsupported distros/docker versions 2017-01-02 18:05:50 +01:00
Bogdan Dobrelya
93663e987c Merge pull request #847 from bogdando/bug_769
Fix etc hosts for cluster nodes
2017-01-02 17:47:23 +01:00
Bogdan Dobrelya
97f96a6376 Fix etc hosts for cluster nodes
Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
2017-01-02 13:20:51 +01:00
Bogdan Dobrelya
58062be2a3 Drop non systemd OS types support
Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
2017-01-02 12:14:03 +01:00
Bogdan Dobrelya
a56d9de502 Systemd units, limits, and bin path fixes
* Add restart for weave service unit
* Reuse docker_bin_dir everythere
* Limit systemd managed docker containers by CPU/RAM. Do not configure native
  systemd limits due to the lack of consensus in the kernel community
  requires out-of-tree kernel patches.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-12-28 15:49:42 +01:00
Matthew Mosesohn
e7a1949d85 Merge pull request #818 from mattymo/calico-rr-certs
Fix calico-rr to use etcd certs instead of kube certs
2016-12-28 08:47:16 +03:00
Matthew Mosesohn
6d9cd2d720 Fix calico-rr to use etcd certs instead of kube certs 2016-12-27 17:04:50 +03:00
Bogdan Dobrelya
79996b557b Rework ignore_errors to report no reds
Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
2016-12-27 13:00:50 +01:00
Bogdan Dobrelya
bb0c3537cb Do not forward bogus domains for upstream resolvers
Also fix kube log level 4 to log dnsmasq queries.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-12-23 11:53:14 +01:00
Matthew Mosesohn
ad796d188d Individual etcd ssl certs
Includes hooks for triggering calico, kubelet, and kube-apiserver restarts
if etcd certs changed.
2016-12-22 13:31:11 +03:00
Alexander Block
8e4e3998dd Fix wrong path of dhclient on CentOS+Azure
This was alredy fixed in #755 but had to be reverted. This PR should be
more intelligent about deciding which path to use.
2016-12-21 21:51:07 +01:00
Alexander Block
fe150d4e4d Register master node as unschedulable
Also refactor generation of kubelet args to not repeat args.
2016-12-19 10:47:43 +01:00
Antoine Legrand
1c48a001df Merge pull request #763 from bogdando/resolver_fallback
Fallback to default resolver if no nameservers
2016-12-17 12:03:41 +01:00
Bogdan Dobrelya
1782d19e1f Fallback to default resolver if no nameservers
Current design expects users to define at least one
nameserver in the nameservers var to backup host OS DNS config
when the K8s cluster DNS service IP is not available and hosts
still have to resolve external or intranet FQDNs.

Fix undefined nameservers to fallback to the default_resolver.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-12-16 14:51:34 +01:00
Bogdan Dobrelya
e2476fbd0b Revert "Fix wrong path for dhclient.conf on RedHat/CentOS" 2016-12-16 14:49:26 +01:00
Antoine Legrand
a2f8f17270 Merge pull request #757 from kubernetes-incubator/issue754
Add dns_domain for each host to /etc/hosts
2016-12-15 21:42:59 +01:00
Bogdan Dobrelya
0e2329b59e Merge pull request #755 from kubernetes-incubator/fix_dhclientconf_path
Fix wrong path for dhclient.conf on RedHat/CentOS
2016-12-15 19:08:31 +01:00
Matthew Mosesohn
68ad4ff4d9 Add dns_domain for each host to /etc/hosts
Fixes #754
2016-12-15 13:34:59 +04:00
Bogdan Dobrelya
725f9ea3bd Merge pull request #749 from kubernetes-incubator/azure_ip_forward
Set net.ipv4.ip_forward=1 on all systems, not only on GCE
2016-12-15 10:19:43 +01:00
Alexander Block
a9684648ab Fix wrong path for dhclient.conf on RedHat/CentOS
/etc/dhclient.conf is ignored on RedHat/CentOS
Correct location is /etc/dhcp/dhclient.conf
2016-12-15 10:11:16 +01:00
Bogdan Dobrelya
114ab5e4e6 Merge pull request #721 from adidenko/calico-add-rr
Add calico/routereflector support
2016-12-14 17:22:00 +01:00
Smaine Kahlouch
29874baf8a Merge pull request #708 from vwfs/cloud_network
Add support for cloud-provider based networking
2016-12-14 16:23:20 +01:00
Alexander Block
81317505eb Set net.ipv4.ip_forward=1 on all systems, not only on GCE 2016-12-14 15:08:13 +01:00
Aleksandr Didenko
d57c27ffcf Add calico/routereflector support
Add BGP route reflectors support in order to optimize BGP topology
for deployments with Calico network plugin.

Also bump version of calico/ctl for some bug fixes.
2016-12-14 13:44:10 +01:00
Alexander Block
d50eb60827 Add --reconcile-cidr flag to kubelet to support cloud network plugin in 1.4 2016-12-13 17:30:10 +01:00
Alexander Block
dbd9aaf1ea Add check for azure_route_table_name and add it to all.yml 2016-12-13 17:30:10 +01:00
Alexander Block
d20d5e648f Add pseudo network plugin called "cloud" to use cloud provider for network
Allow to let the cloud provider configure proper routing for nodes.
2016-12-13 17:30:10 +01:00
Antoine Legrand
26e3142c95 Merge branch 'master' into standalone_kubelet 2016-12-13 17:26:21 +01:00
Alexander Block
444b1dafdc Pass --anonymous-auth to apiserver
Fixes #732
2016-12-13 17:06:53 +01:00
Bogdan Dobrelya
c75f394707 Address standalone kubelet config case
Also place in global vars and do not repeat the kube_*_config_dir
and kube_namespace vars for better code maintainability and UX.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-12-13 16:35:53 +01:00
Bogdan Dobrelya
0515814e0c Fix resolvconf
Do not repeat options and nameservers in the dhclient hooks.
Do not prepend nameservers for dhclient but supersede and fail back
to the upstream_dns_resolvers then default_resolver. Fixes order of
nameservers placement, which is cluster DNS ip goes always first.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-12-13 15:48:53 +01:00
Bogdan Dobrelya
45135ad3e4 Merge pull request #705 from vwfs/centos7-azure
Better support for CentOS 7 on Azure
2016-12-13 10:36:58 +01:00
Bogdan Dobrelya
f52ed9f91e Update main.yml 2016-12-12 21:37:16 +01:00
Bogdan Dobrelya
3117858dcd Rework DNS stack to meet hostnet pods needs
* For Debian/RedHat OS families (with NetworkManager/dhclient/resolvconf
  optionally enabled) prepend /etc/resolv.conf with required nameservers,
  options, and supersede domain and search domains via the dhclient/resolvconf
  hooks.

* Drop (z)nodnsupdate dhclient hook and re-implement it to complement the
  resolvconf -u command, which is distro/cloud provider specific.
  Update docs as well.

* Enable network restart to apply and persist changes and simplify handlers
  to rely on network restart only. This fixes DNS resolve for hostnet K8s
  pods for Red Hat OS family. Skip network restart for canal/calico plugins,
  unless https://github.com/projectcalico/felix/issues/1185 fixed.

* Replace linefiles line plus with_items to block mode as it's faster.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
Co-authored-by: Matthew Mosesohn <mmosesohn@mirantis.com>
2016-12-12 17:43:47 +01:00
Alexander Block
5176e5c968 Make growpart only run on Azure 2016-12-12 14:14:22 +01:00
Alexander Block
9fd14cb6ea Add growpart role to allow growing the root partition on CentOS
At least the OS images from Azure do not grow the root FS automatically.
2016-12-12 09:55:28 +01:00
Bogdan Dobrelya
a15d626771 Preconfigure DNS stack and docker early
In order to enable offline/intranet installation cases:
* Move DNS/resolvconf configuration to preinstall role. Remove
  skip_dnsmasq_k8s var as not needed anymore.

* Preconfigure DNS stack early, which may be the case when downloading
  artifacts from intranet repositories. Do not configure
  K8s DNS resolvers for hosts /etc/resolv.conf yet early (as they may be
  not existing).

* Reconfigure K8s DNS resolvers for hosts only after kubedns/dnsmasq
  was set up and before K8s apps to be created.

* Move docker install task to early stage as well and unbind it from the
  etcd role's specific install path. Fix external flannel dependency on
  docker role handlers. Also fix the docker restart handlers' steps
  ordering to match the expected sequence (the socket then the service).

* Add default resolver fact, which is
  the cloud provider specific and remove hardcoded GCE resolver.

* Reduce default ndots for hosts /etc/resolv.conf to 2. Multiple search
  domains combined with high ndots values lead to poor performance of
  DNS stack and make ansible workers to fail very often with the
  "Timeout (12s) waiting for privilege escalation prompt:" error.

* Update docs.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-12-09 17:30:55 +01:00
Bogdan Dobrelya
7897c34ba3 Merge pull request #700 from bogdando/tags
Add tags
2016-12-09 13:23:56 +01:00
Bogdan Dobrelya
8cc84e132a Add tags
Add tags to allow more granular tasks filtering.
Add generator script for MD formatted tags found.
Add docs for tags how-to.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-12-09 12:14:28 +01:00
Dan Bode
eec2ed5809 Allow etcd_access_addresses to be more flexible
The variale etcd_access_addresses is used to determine
how to address communication from other roles to
the etcd cluster.

It was set to the address that ansible uses to
connect to instance ({{ item }})s and not the
the variable:
  ip_access
which had already been created and could already
be overridden through the access_ip variable.

This change allows ansible to connect to a machine using
a different address than the one used to access etcd.
2016-12-07 10:33:15 -08:00
Bogdan Dobrelya
8eb26c21be Merge pull request #692 from bogdando/gce_fixes
Change GCE sysctls placement and docs
2016-12-07 16:17:30 +01:00
Bogdan Dobrelya
f0f2b81276 Change GCE sysctls placement and docs
Override GCE sysctl in /etc/sysctl.d/99-sysctl.conf instead of
the /etc/sysctl.d/11-gce-network-security.conf. It is recreated
by GCE, f.e. if gcloud CLI invokes some security related changes,
thus losing customizations we want to be persistent.

Update cloud providers firewall requirements in calico docs.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-12-07 12:53:45 +01:00
fen4o
246c8209c1 add cluster-signing to kube-controller-manager
kube-controller-manager's cluster signing cert and key points by default to not
existing `/etc/kubernetes/ca/ca.pem` and `/etc/kubernetes/ca/ca.key` [docs][1]

[1]: http://kubernetes.io/docs/admin/kube-controller-manager/#options
2016-12-07 11:20:18 +02:00
Bogdan Dobrelya
36fe2cb5ea Merge pull request #584 from chadswen/docker-options-refactor
Docker Options Refactor
2016-12-07 07:57:53 +01:00
Spencer Smith
8870178a2d Merge pull request #627 from kubernetes-incubator/issue-626
add restart flag for docker run kubelet
2016-12-06 08:47:18 -08:00
Bogdan Dobrelya
59a097b255 Merge pull request #679 from kubernetes-incubator/kube-proxy-dbus
Add dbus socket dir to kube-proxy
2016-12-06 11:08:16 +01:00
Matthew Mosesohn
7a3a473ccf Fix ipv4 forwarding on GCE
ipv4 forwarding gets broken when restarting networking, which
breaks all networking for all pods.
2016-12-06 11:57:57 +03:00
Matthew Mosesohn
2cdf752481 Add dbus socket dir to kube-proxy 2016-12-05 19:25:27 +03:00
Chad Swenson
8b5b27bb51 Docker Options Refactor 2016-12-02 15:07:51 -06:00
Bogdan Dobrelya
7328e0e1ac Merge pull request #672 from kubernetes-incubator/fail_all_on_error
Fail all nodes on error
2016-12-02 17:08:10 +01:00
Bogdan Dobrelya
c13d0db0cc Merge pull request #656 from YorikSar/nginx-proxy-timeout
Set proxy_timeout to 10m in nginx.conf
2016-12-02 12:48:18 +01:00
ant31
dba2026002 Fail all nodes on error 2016-12-02 12:37:22 +01:00
Sebastian Melchior
bb55f68f95 add basic azure support for kargo 2016-11-29 10:20:28 +01:00
Yuriy Taraday
658543c949 Set proxy_timeout to 10m in nginx.conf
Fixes #655.

This is a teporary solution for long-polling idle connections to
apiserver. It will make Nginx not cut them for the duration of expected
timeout. It will also make Nginx extremely slow in realizing that there
is some issue with connectivity to apiserver as well, so it might not be
perfect permanent solution.
2016-11-28 20:27:47 +03:00
Antoine Legrand
5b382668f5 Merge pull request #529 from bogdando/netcheck
Add a k8s app for advanced e2e netcheck for DNS
2016-11-28 15:26:30 +01:00
Bogdan Dobrelya
b7692fad09 Add advanced net check for DNS K8s app
* Add an option to deploy K8s app to test e2e network connectivity
  and cluster DNS resolve via Kubedns for nethost/simple pods
  (defaults to false).
* Parametrize existing k8s apps templates with kube_namespace and
  kube_config_dir instead of hardcode.
* For CoreOS, ensure nameservers from inventory to be put in the
  first place to allow hostnet pods connectivity via short names
  or FQDN and hostnet agents to pass as well, if netchecker
  deployed.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-11-28 13:23:25 +01:00
Bogdan Dobrelya
2d18e19263 Tune dnsmasq/kubedns limits, replicas, logging
* Add dns_replicas, dns_memory/cpu_limit/requests vars for
dns related apps.
* When kube_log_level=4, log dnsmasq queries as well.
* Add log level control for skydns (part of kubedns app).
* Add limits/requests vars for dnsmasq (part of kubedns app) and
  dnsmasq daemon set.
* Drop string defaults for kube_log_level as it is int and
  is defined in the global vars as well.
* Add docs

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-11-25 12:49:17 +01:00
Bogdan Dobrelya
d890d2f277 Fix nginx container download for download_run_once mode
W/o this patch, the "Download containers" task may be skipped
when running on the delegate node due to wrong "when" confition.
Then it fails to upload nginx image to the nodes as well.

Fix download nginx dependency so it always can be pushed to
nodes when download_run_once is enabled.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-11-23 10:37:08 +01:00
Bogdan Dobrelya
793f3990a0 Merge pull request #642 from kubernetes-incubator/k8s_imgpull
Allow pre-downloaded images to be used effectively
2016-11-22 18:09:38 +01:00
Bogdan Dobrelya
dff78f616e Allow pre-downloaded images to be used effectively
According to http://kubernetes.io/docs/user-guide/images/ :
By default, the kubelet will try to pull each image from the
specified registry. However, if the imagePullPolicy property
of the container is set to IfNotPresent or Never, then a local\
image is used (preferentially or exclusively, respectively).

Use IfNotPresent value to allow images prepared by the download
role dependencies to be effectively used by kubelet without pull
errors resulting apps to stay blocked in PullBackOff/Error state
even when there are images on the localhost exist.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-11-22 16:16:04 +01:00
Antoine Legrand
d3a4d8dc24 Merge pull request #638 from pskrzyns/fix_setting_loadbalancer_apiserver_localhost
Fix conditional when setting loadbalancer_apiserver_localhost
2016-11-22 15:15:38 +01:00
Antoine Legrand
b60d5647a2 Merge pull request #635 from kubernetes-incubator/download_images
Download images as dependencies of roles
2016-11-22 14:53:12 +01:00
Bogdan Dobrelya
66f27ed1f3 Download images as dependencies of roles
Pre download all required container images as roles' deps.
Drop unused flannel-server-helper images pre download.
Improve pods creation post-install test pre downloaded busybox.
Improve logs collection script with kubectl describe, fix sudo/etcd/weave
commands.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-11-22 11:13:57 +01:00
Paweł Skrzyński
32a5453473 Fix conditional when setting loadbalancer_apiserver_localhost 2016-11-21 19:36:05 +01:00
Bogdan Dobrelya
1bd1825ecb Add missing liveness probe for apiserver static pod
Fix unreliable waiting for the apiserver to become ready.
Remove logfile mount to align with the rest of static pods
and because containers shall write logs to stdout only.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-11-21 13:15:51 +01:00
Spencer Smith
0eebe43c08 updated all instances of restart always to restart on-failure with a max of 5 times 2016-11-18 14:33:22 -05:00
Maciej Filipiak
cc2f26b8e9 Add service-node-port-range parameter for kube-apiserver 2016-11-18 14:09:38 +01:00
Spencer Smith
a5af87758a remove the --rm b/c it conflicts with restart 2016-11-17 12:21:30 -05:00
Spencer Smith
ff928e0e66 add restart flag for docker run kubelet 2016-11-17 12:03:41 -05:00
Aleksandr Didenko
e3470b28c5 Move CNI config and add MTU support for calico-cni
- Move CNI configuration creation for Calico to appropriate
network_plugin role from kubernetes/node.
- Add support for MTU configuration in Calico.
2016-11-15 18:05:11 +01:00
Bogdan Dobrelya
876c4df1b6 Fix mountflags and kubelet config
Add missing --require-kubeconfig to the if..else stanza.
Make sure certs dirs mounted in RO.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-11-15 11:22:23 +01:00
Antoine Legrand
216e0b2a52 Merge pull request #599 from kubernetes-incubator/bug_542
Fix kubelet deprecated options
2016-11-15 10:50:26 +01:00
Matthew Mosesohn
ab0ff2ab3c Merge pull request #602 from adidenko/fix-canal-ssl
Fix etcd ssl for canal
2016-11-15 12:43:22 +03:00
Matthew Mosesohn
5cd65f9c45 Merge pull request #598 from kubernetes-incubator/bug_376
Generate kubectl bash completion from kubectl instead of file
2016-11-15 12:28:51 +03:00
Matthew Mosesohn
8ca1f4ce44 Fix kubelet deprecated options
--api-servers now just reads kubeconfig
--config is now --pod-manifest-path

Fixes #542
2016-11-14 22:13:44 +04:00
Aleksandr Didenko
caa81f3ac2 Fix etcd ssl for canal
- Move CNI configuration from `kubernetes/node` role to
`network_plugin/canal`
- Create SSL dir for Canal and symlink etcd SSL files
- Add needed options to `canal-config` configmap
- Run flannel and calico-node containers with proper configuration
2016-11-14 14:49:17 +01:00
Matthew Mosesohn
15bc445a9c Generate kubectl bash completion from kubectl instead of file 2016-11-14 14:54:59 +04:00
Matthew Mosesohn
45c2900e71 Merge branch 'master' into hostname-alias 2016-11-14 09:32:35 +03:00
Matthew Mosesohn
46ee9faca9 Fix ca certificate loading on CoreOS 2016-11-14 08:47:09 +04:00
Bogdan Dobrelya
88577b9889 Merge pull request #593 from bogdando/label_apps
Label k8s apps, adjust collect info commands
2016-11-10 18:09:05 +01:00
Bogdan Dobrelya
cf7c60029b Label k8s apps, adjust collect/upload info steps
- Drop debugs from collect-info playbook
- Drop sudo from collect-info step and add target dir var (required for travis jobs)
- Label all k8s apps, including static manifests
- Add logs for K8s apps to be collected as well
- Fix upload to GCS as a public-read tarball

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-11-10 16:05:50 +01:00
Matthew Mosesohn
fe16fecd8f Fix canal's calico networking config for ETCD TLS
Also fixes kube-apiserver upgrade that was erroneously
deleted in a previous commit.
2016-11-10 12:49:47 +03:00
Matthew Mosesohn
9ea9604b3f Merge pull request #591 from kubernetes-incubator/etcdtls
Add etcd tls support
2016-11-10 12:32:13 +03:00
Matthew Mosesohn
a32cd85eb7 Add etcd TLS support 2016-11-09 18:38:28 +03:00
Matthew Mosesohn
95b460ae94 Remove etcd-proxy from all nodes and use etcd multiaccess 2016-11-09 13:31:12 +03:00
Aleksandr Didenko
60a217766f Add ConfigMap for basic configuration options
Container settings moved from deamonset yaml to a separate
configmap.
2016-11-08 12:57:34 +01:00
Aleksandr Didenko
309240cd6f Adding support for canal network plugin
This patch provides support for Canal network plugin installation
as a self-hosted app, see the following link for details:

https://github.com/tigera/canal/tree/master/k8s-install
2016-11-08 11:04:01 +01:00
Spencer Smith
8f20d90f88 update admission controllers for > 1.4 2016-11-04 12:54:35 -04:00
Smaine Kahlouch
d6f206b5fd Merge pull request #561 from kubespray/rsync_certs
Use tar+register instead of copy/slurp for distributing tokens and certs
2016-10-27 10:52:41 +02:00
Matthew Mosesohn
c7b00caeaa Use tar+register instead of copy/slurp for distributing tokens and certs
Related bug: https://github.com/ansible/ansible/issues/15405

Uses tar and register because synchronize module cannot sudo on the
remote side correctly and copy is too slow.

This patch dramatically cuts down the number of tasks to process
for cert synchronization.
2016-10-26 15:46:18 +03:00
Bogdan Dobrelya
c59c3a1bcf Fix idempotency/recurrence of download and preinstall
* Don't push containers if not changed
* Do preinstall role only once and redistribute defaults to
  corresponding roles

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-10-24 18:28:53 +02:00
Matthew Mosesohn
11f1f71b3b dynamically calculate etcd peer names 2016-10-21 16:17:50 +03:00
Matthew Mosesohn
0e9d1e09e3 Sync master tokens only with those in play_hosts 2016-10-21 14:43:41 +03:00
Matthew Mosesohn
65d2a3b0e5 Use only native cachable hostvars for etcd set_facts 2016-10-21 14:39:58 +03:00
Chad Swenson
a5137affeb Hostname alias fixes
Change the kubelet --hostname-override flag to use the ansible_hostname variable which should be more consistent with the value required by cloud providers

Add ansible_hostname alias to /etc/hosts when it is different from inventory_hostname to overcome node name limitations see https://github.com/kubernetes/kubernetes/issues/22770

Signed-off-by: Chad Swenson <chadswen@gmail.com>
2016-10-18 16:22:32 -05:00
Chad Swenson
c402feffbd Parameterize several dependency endpoints so that they can be overridden with internal mirrors.
Signed-off-by: Chad Swenson <chadswen@gmail.com>
2016-10-15 12:26:52 -05:00
Matthew Mosesohn
71347322d6 Add cluster-cidr to kube-proxy config
This option enables masquerading for traffic directed at pods
that comes frmom outside the cluster.
2016-10-12 19:13:33 +03:00
Artem Roma
3919d666c1 Add possibility to enable network policy via Calico network controller
The requirements for network policy feature are described here [1]. In
order to enable it, appropriate configuration must be provided to the CNI
plug in and Calico policy controller must be set up. Beside that
corresponding extensions needed to be enabled in k8s API.

Now to turn on the feature user can define `enable_network_policy`
customization variable for Ansible.

[1] http://kubernetes.io/docs/user-guide/networkpolicies/
2016-10-10 17:22:12 +03:00
Sergey Vasilenko
dea4210da1 Bump Calico-CNI plugin binaries versions
and correct checksums
2016-10-07 13:14:46 +03:00
Sergey Vasilenko
a6344f7561 Changes in Kubernetes and Calico-CNI plugin config files
required for usage of Calico CNI plugin version 1.4.2
2016-10-06 19:33:16 +03:00
Smaine Kahlouch
c490e5c8a1 Merge pull request #528 from kubespray/proxy-nginx
Use nginx proxy on non-master nodes to proxy apiserver traffic
2016-10-05 19:19:32 +02:00
Matthew Mosesohn
84052ff0b6 use nginx proxy on non-master nodes to proxy apiserver traffic
Also adds all masters by hostname and localhost/127.0.0.1 to
apiserver SSL certificate.

Includes documentation update on how localhost loadbalancer works.
2016-10-05 20:09:10 +03:00
Matthew Mosesohn
f4e6fdc193 Enable quorum read for apiserver
This reduces the likelihood of apiserver status updates
timing out due to etcd write conflicts.
2016-10-04 18:31:42 +03:00
Aleksandr Didenko
fb0ee9d84a Add support for --masquerade-all in kube-proxy
New boolean var `kube_proxy_masquerade_all` which enables/disables
`--masquerade-all` argument for kube-proxy.

Closes #524
2016-10-03 12:24:43 +02:00
Matthew Mosesohn
d9641771ed add kube-masters to SSL certificate 2016-09-29 15:12:30 +03:00
Bogdan Dobrelya
5fd43b7cf0 Allow subdomains of dns_domain and fix kubelet restarts
* Add a var for ndots (default 5) and put it hosts' /etc/resolv.conf.
* Poke kube dns container image to v1.7
* In order to apply changes to kubelet, notify it to
be restarted on changes made to /etc/resolv.conf. Ignore errors as the kubelet
may yet to be present up to the moment of the notification being processed.
* Remove unnecessary kubelet restart for master role as the node role ensures
it is up and running. Notify master static pods waiters for apiserver,
scheduler, controller-manager instead.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-09-27 14:32:49 +02:00
Bogdan Dobrelya
82ee60fe8b Make dnsmasq daemon set optional
Change additional dnsmasq opts:
- Adjust caching size and TTL
- Disable resolve conf to not create loops
- Change dnsPolicy to default (similarly to kubedns's dnsmasq). The
  ClusterFirst should not be used to not create loops
- Disable negative NXDOMAIN replies to be cached
- Make its very installation as optional step (enabled by default).
  If you don't want more than 3 DNS servers, including 1 for K8s, disable
  it.
- Add docs and a drawing to clarify DNS setup.
- Fix stdout logs for dnsmasq/kubedns app configs
- Add missed notifies to resolvconf -u handler
- Fix idempotency of resolvconf head file changes

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-09-23 12:59:06 +02:00
Smaine Kahlouch
0643ed968f Merge pull request #494 from kubespray/etcd_proxy_fix
always bind etcd_proxy to localhost
2016-09-19 14:19:55 +02:00
Smaine Kahlouch
1572aaf6ca Merge pull request #489 from lukaszo/patch-1
Add socat do required pkgs
2016-09-19 12:19:46 +02:00
Smaine Kahlouch
5803de1ac5 Merge pull request #486 from kubespray/etchosts
switch /etc/hosts to use blockinfile
2016-09-19 12:19:37 +02:00
Matthew Mosesohn
341ea5a6ea always bind etcd_proxy to localhost 2016-09-18 19:58:15 +04:00
Bogdan Dobrelya
390764c2b4 Add retry_stagger var for failed download/pushes.
* Add the retry_stagger var to tweak push and retry time strategies.
* Add large deployments related docs.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-09-15 16:43:58 +02:00
Bogdan Dobrelya
422428908a Download containers and save all
Move version/repo vars to download role.
Add container to download params, which overrides url/source_url,
if enabled.
Fix networking plugins download depending on kube_network_plugin.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-09-15 16:43:56 +02:00
Łukasz Oleś
0db441b28f Add socat do required pkgs
It's required for port forwarding.
2016-09-14 21:27:33 +02:00
Matthew Mosesohn
e3ebabc3b0 switch /etc/hosts to use blockinfile 2016-09-14 19:43:33 +03:00
Bogdan Dobrelya
783871a253 Add retries for packages installation
Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-09-13 18:12:07 +02:00
Bogdan Dobrelya
6fdcaa1a63 Add retries for copying binaries from containers
Closes issue: https://github.com/kubespray/kargo/issues/479

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-09-13 15:09:34 +02:00
Matthew Mosesohn
c50c6672f3 Remove SecurityContextDeny API plugin
This is no longer recommended for use since K8s 1.2:
http://kubernetes.io/docs/admin/admission-controllers/#is-there-a-recommended-set-of-plug-ins-to-use
2016-08-29 14:20:28 +03:00
Spencer Smith
82076f90a3 ensure bin dir for coreos before anything else 2016-08-26 13:24:47 -04:00
Bogdan Dobrelya
8168689caa Refactor roles and hosts
Shorten deployment time with:
- Remove redundand roles if duplicated by a dependency and vice versa
- When a member of k8s-cluster, always install docker as a dependency
  of the etcd role and drop the docker role from cluster.yaml.
- Drop etcd and node role dependencies from master role as they are
  covered by the node role in k8s-cluster group as well. Copy defaults
  for master from node role.
- Decouple master, node, secrets roles handlers and vars to be used w/o
  cross references.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-08-25 13:27:57 +02:00
Smaine Kahlouch
c71b078c8e Merge pull request #437 from kubespray/issues/429
Fix handler triggering for kubelet restart
2016-08-25 11:33:50 +02:00
Bogdan Dobrelya
caa8efbf86 Fix handler triggering for kubelet restart
Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2016-08-25 09:12:25 +02:00
Spencer Smith
4e76bced53 merge with current master, update typos in doc 2016-08-24 09:56:42 -04:00
Spencer Smith
60f263b629 updated to no longer handle gce as cloud-provider. provided aws setup doc 2016-08-24 09:48:32 -04:00