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50 Commits

Author SHA1 Message Date
Dalton Hubble
b642e3b41b Update Kubernetes from v1.17.0 to v1.17.1 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.17.md#v1171
 2020-01-14 20:21:36 -08:00
Dalton Hubble
b2eb3e05d0 Disable Kubelet 127.0.0.1.10248 healthz endpoint 
* Kubelet runs a healthz server listening on 127.0.0.1:10248
by default. Its unused by Typhoon and can be disabled
* https://kubernetes.io/docs/reference/command-line-tools-reference/kubelet/
 2019-12-29 11:23:25 -08:00
Dalton Hubble
f1f4cd6fc0 Inline Container Linux kubelet.service, deprecate kubelet-wrapper 
* Change kubelet.service on Container Linux nodes to ExecStart Kubelet
inline to replace the use of the host OS kubelet-wrapper script
* Express rkt run flags and volume mounts in a clear, uniform way to
make the Kubelet service easier to audit, manage, and understand
* Eliminate reliance on a Container Linux kubelet-wrapper script
* Typhoon for Fedora CoreOS developed a kubelet.service that similarly
uses an inline ExecStart (except with podman instead of rkt) and a
more minimal set of volume mounts. Adopt the volume improvements:
  * Change Kubelet /etc/kubernetes volume to read-only
  * Change Kubelet /etc/resolv.conf volume to read-only
  * Remove unneeded /var/lib/cni volume mount

Background:

* kubelet-wrapper was added in CoreOS around the time of Kubernetes v1.0
to simplify running a CoreOS-built hyperkube ACI image via rkt-fly. The
script defaults are no longer ideal (e.g. rkt's notion of trust dates
back to quay.io ACI image serving and signing, which informed the OCI
standard images we use today, though they still lack rkt's signing ideas).
* Shipping kubelet-wrapper was regretted at CoreOS, but remains in the
distro for compatibility. The script is not updated to track hyperkube
changes, but it is stable and kubelet.env overrides bridge most gaps
* Typhoon Container Linux nodes have used kubelet-wrapper to rkt/rkt-fly
run the Kubelet via the official k8s.gcr.io hyperkube image using overrides
(new image registry, new image format, restart handling, new mounts, new
entrypoint in v1.17).
* Observation: Most of what it takes to run a Kubelet container is defined
in Typhoon, not in kubelet-wrapper. The wrapper's value is now undermined
by having to workaround its dated defaults. Typhoon may be better served
defining Kubelet.service explicitly
* Typhoon for Fedora CoreOS developed a kubelet.service without the use
of a host OS kubelet-wrapper which is both clearer and eliminated some
volume mounts
 2019-12-29 11:17:26 -08:00
Dalton Hubble
50db3d0231 Rename CLC files and favor Terraform list index syntax 
* Rename Container Linux Config (CLC) files to *.yaml to align
with Fedora CoreOS Config (FCC) files and for syntax highlighting
* Replace common uses of Terraform `element` (which wraps around)
with `list[index]` syntax to surface index errors
 2019-12-28 12:14:01 -08:00
Dalton Hubble
ed3550dce1 Update systemd services for the v0.17.x hyperkube 
* Binary asset locations within the upstream hyperkube image
changed https://github.com/kubernetes/kubernetes/pull/84662
* Fix Container Linux and Flatcar Linux kubelet.service
(rkt-fly with fairly dated CoreOS kubelet-wrapper)
* Fix Fedora CoreOS kubelet.service (podman)
* Fix Fedora CoreOS bootstrap.service
* Fix delete-node kubectl usage for workers where nodes may
delete themselves on shutdown (e.g. preemptible instances)
 2019-12-09 18:39:17 -08:00
Dalton Hubble
de36d99afc Update Kubernetes from v1.16.3 to v1.17.0 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.17.md/#v1170
 2019-12-09 18:31:58 -08:00
Dalton Hubble
d7061020ba Update Kubernetes from v1.16.2 to v1.16.3 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.16.md#v1163
 2019-11-13 13:05:15 -08:00
Dalton Hubble
24fc440d83 Update Kubernetes from v1.16.1 to v1.16.2 
* Update Calico from v3.9.1 to v3.9.2
 2019-10-15 22:42:52 -07:00
Dalton Hubble
1c5ed84fc2 Update Kubernetes from v1.16.0 to v1.16.1 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.16.md#v1161
 2019-10-02 21:31:55 -07:00
Valer Cara
99ab81f79c Add node_labels variable in workers modules to set initial node labels (#550) 
* Also add `worker_node_labels` variable in `kubernetes` modules to set
initial node labels for the default workers
 2019-09-28 14:59:24 -07:00
Dalton Hubble
5b06e0e869 Organize and cleanup Kubelet ExecStartPre 
* Sort Kubelet ExecStartPre mkdir commands
* Remove unused inactive-manifests and checkpoint-secrets
directories (were used by bootkube self-hosting)
 2019-09-19 00:38:34 -07:00
Dalton Hubble
9da3725738 Update Kubernetes from v1.15.3 to v1.16.0 
* Drop `node-role.kubernetes.io/master` and
`node-role.kubernetes.io/node` node labels
* Kubelet (v1.16) now rejects the node labels used
in the kubectl get nodes ROLES output
* https://github.com/kubernetes/kubernetes/issues/75457
 2019-09-18 22:53:06 -07:00
Dalton Hubble
35c2763ab0 Update Kubernetes from v1.15.2 to v1.15.3 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.15.md/#v1153
 2019-08-19 14:49:24 -07:00
Dalton Hubble
2227f2cc62 Update Kubernetes from v1.15.1 to v1.15.2 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.15.md#v1152
 2019-08-05 08:48:57 -07:00
Dalton Hubble
e0c7676a15 Update Kubernetes from v1.15.0 to v1.15.1 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.15.md#downloads-for-v1151
 2019-07-19 01:21:08 -07:00
Dalton Hubble
408e60075a Update Kubernetes from v1.14.3 to v1.15.0 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.15.md#v1150
* Remove docs referring to possible v1.14.4 release
 2019-06-23 13:12:18 -07:00
Dalton Hubble
79d910821d Configure Kubelet cgroup-driver for Flatcar Linux Edge 
* For Container Linux or Flatcar Linux alpha/beta/stable,
continue using the `cgroupfs` driver
* For Fedora Atomic, continue using the `systemd` driver
* For Flatcar Linux Edge, use the `systemd` driver
 2019-06-22 23:38:42 -07:00
Dalton Hubble
0ccb2217b5 Update Kubernetes from v1.14.2 to v1.14.3 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.14.md#v1143
 2019-05-31 01:08:32 -07:00
Dalton Hubble
da97bd4f12 Update Kubernetes from v1.14.1 to v1.14.2 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.14.md#v1142
 2019-05-17 13:09:15 +02:00
Dalton Hubble
452253081b Update Kubernetes from v1.14.0 to v1.14.1 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.14.md#changelog-since-v1140
 2019-04-09 21:47:23 -07:00
Dalton Hubble
5271e410eb Update Kubernetes from v1.13.5 to v1.14.0 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.14.md#v1140
 2019-04-07 00:15:59 -07:00
Dalton Hubble
4fea526ebf Update Kubernetes from v1.13.4 to v1.13.5 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.13.md#v1135
 2019-03-25 21:43:47 -07:00
Dalton Hubble
f598307998 Update Kubernetes from v1.13.3 to v1.13.4 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.13.md#v1134
 2019-02-28 22:47:43 -08:00
Dalton Hubble
ccd96c37da Update Kubernetes from v1.13.2 to v1.13.3 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.13.md#v1133
 2019-02-01 23:26:13 -08:00
Dalton Hubble
4d32b79c6f Update Kubernetes from v1.13.1 to v1.13.2 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.13.md#v1132
 2019-01-12 00:00:53 -08:00
Dalton Hubble
b57273b6f1 Rename internal kube_dns_service_ip to cluster_dns_service_ip 
* terraform-render-bootkube module deprecated kube_dns_service_ip
output in favor of cluster_dns_service_ip
* Rename k8s_dns_service_ip to cluster_dns_service_ip for
consistency too
 2019-01-05 13:32:03 -08:00
Dalton Hubble
018c5edc25 Update Kubernetes from v1.13.0 to v1.13.1 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.13.md#v1131
 2018-12-15 11:44:57 -08:00
Dalton Hubble
d31f444fcd Update Kubernetes from v1.12.3 to v1.13.0 2018-12-03 20:44:32 -08:00
Dalton Hubble
5b27d8d889 Update Kubernetes from v1.12.2 to v1.12.3 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.12.md/#v1123
 2018-11-26 21:06:09 -08:00
Dalton Hubble
f1da0731d8 Update Kubernetes from v1.12.1 to v1.12.2 
* Update CoreDNS from v1.2.2 to v1.2.4
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.12.md#v1122
* https://coredns.io/2018/10/17/coredns-1.2.4-release/
* https://coredns.io/2018/10/16/coredns-1.2.3-release/
 2018-10-27 15:47:57 -07:00
Dalton Hubble
99a6d5478b Disable Kubelet read-only port 10255 
* We can finally disable the Kubelet read-only port 10255!
* Journey: https://github.com/poseidon/typhoon/issues/322#issuecomment-431073073
 2018-10-18 21:14:14 -07:00
Dalton Hubble
9b6113a058 Update Kubernetes from v1.11.3 to v1.12.1 
* Mount an empty dir for the controller-manager to work around
https://github.com/kubernetes/kubernetes/issues/68973
* Update coreos/pod-checkpointer to strip affinity from
checkpointed pod manifests. Kubernetes v1.12.0-rc.1 introduced
a default affinity that appears on checkpointed manifests; but
it prevented scheduling and checkpointed pods should not have an
affinity, they're run directly by the Kubelet on the local node
* https://github.com/kubernetes-incubator/bootkube/issues/1001
* https://github.com/kubernetes/kubernetes/pull/68173
 2018-10-16 20:28:13 -07:00
Dalton Hubble
ad871dbfa9 Update Kubernetes from v1.11.2 to v1.11.3 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.11.md#v1113
 2018-09-13 18:50:41 -07:00
Dalton Hubble
f7ebdf475d Update Kubernetes from v1.11.1 to v1.11.2 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.11.md#v1112
 2018-08-07 21:57:25 -07:00
Dalton Hubble
d8d524d10b Update Kubernetes from v1.11.0 to v1.11.1 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.11.md#v1111
 2018-07-20 00:41:27 -07:00
Dalton Hubble
8464b258d8 Update Kubernetes from v1.10.5 to v1.11.0 
* Force apiserver to stop listening on 127.0.0.1:8080
* Remove deprecated Kubelet `--allow-privileged`. Defaults to
true. Use `PodSecurityPolicy` if limiting is desired
* https://github.com/kubernetes/kubernetes/releases/tag/v1.11.0
* https://github.com/poseidon/terraform-render-bootkube/pull/68
 2018-06-27 22:47:35 -07:00
Dalton Hubble
f4d3059b00 Update Kubernetes from v1.10.4 to v1.10.5 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.10.md#v1105
 2018-06-21 22:51:39 -07:00
Dalton Hubble
79260c48f6 Update Kubernetes from v1.10.3 to v1.10.4 2018-06-06 23:23:11 -07:00
Dalton Hubble
4ea1fde9c5 Update Kubernetes from v1.10.2 to v1.10.3 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.10.md#v1103
* Update Calico from v3.1.1 to v3.1.2
 2018-05-21 21:38:43 -07:00
Dalton Hubble
37981f9fb1 Allow bearer token authn/authz to the Kubelet 
* Require Webhook authorization to the Kubelet
* Switch apiserver X509 client cert org to systems:masters
to grant the apiserver admin and satisfy the authorization
requirement. kubectl commands like logs or exec that have
the apiserver make requests of a kubelet continue to work
as before
* https://kubernetes.io/docs/admin/kubelet-authentication-authorization/
* https://github.com/poseidon/typhoon/issues/215
 2018-05-13 23:20:42 -07:00
Dalton Hubble
32ddfa94e1 Update Kubernetes from v1.10.1 to v1.10.2 
* https://github.com/kubernetes/kubernetes/releases/tag/v1.10.2
 2018-04-28 00:27:00 -07:00
Dalton Hubble
a54f76db2a Update Calico from v3.0.4 to v3.1.1 
* https://github.com/projectcalico/calico/releases/tag/v3.1.1
* https://github.com/projectcalico/calico/releases/tag/v3.1.0
 2018-04-21 18:30:36 -07:00
Dalton Hubble
77c0a4cf2e Update Kubernetes from v1.10.0 to v1.10.1 
* Use kubernetes-incubator/bootkube v0.12.0
 2018-04-12 20:57:31 -07:00
Dalton Hubble
9bb3de5327 Skip creating unused dirs on worker nodes 2018-04-11 22:23:51 -07:00
Dalton Hubble
6b08bde479 Use k8s.gcr.io instead of gcr.io/google_containers 
* Kubernetes recommends using the alias to fetch images
from the nearest GCR regional mirror, to abstract the use
of GCR, and to drop names containing 'google'
* https://groups.google.com/forum/#!msg/kubernetes-dev/ytjk_rNrTa0/3EFUHvovCAAJ
 2018-04-08 12:57:52 -07:00
Dalton Hubble
1cc043d1eb Update Kubernetes from v1.9.6 to v1.10.0 2018-03-30 22:14:07 -07:00
Dalton Hubble
a04ef3919a Update Kubernetes from v1.9.5 to v1.9.6 2018-03-21 20:29:52 -07:00
Dalton Hubble
758c09fa5c Update Kubernetes from v1.9.4 to v1.9.5 2018-03-19 00:25:44 -07:00
Dalton Hubble
931e311786 Update Kubernetes from v1.9.3 to v1.9.4 2018-03-12 18:07:50 -07:00
Dalton Hubble
73126eb7f8 Add support for worker pools on AWS 
* Allow groups of workers to be defined and joined to
a cluster (i.e. worker pools)
* Move worker resources into a Terraform submodule
* Output variables needed for passing to worker pools
* Add usage docs for AWS worker pools (advanced)
 2018-02-27 18:31:42 -08:00