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2837275265
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56 Commits

Author SHA1 Message Date
Dalton Hubble
2837275265 Introduce cluster creation without local writes to asset_dir 
* Allow generated assets (TLS materials, manifests) to be
securely distributed to controller node(s) via file provisioner
(i.e. ssh-agent) as an assets bundle file, rather than relying
on assets being locally rendered to disk in an asset_dir and
then securely distributed
* Change `asset_dir` from required to optional. Left unset,
asset_dir defaults to "" and no assets will be written to
files on the machine that runs terraform apply
* Enhancement: Managed cluster assets are kept only in Terraform
state, which supports different backends (GCS, S3, etcd, etc) and
optional encryption. terraform apply accesses state, runs in-memory,
and distributes sensitive materials to controllers without making
use of local disk (simplifies use in CI systems)
* Enhancement: Improve asset unpack and layout process to position
etcd certificates and control plane certificates more cleanly,
without unneeded secret materials

Details:

* Terraform file provisioner support for distributing directories of
contents (with unknown structure) has been limited to reading from a
local directory, meaning local writes to asset_dir were required.
https://github.com/poseidon/typhoon/issues/585 discusses the problem
and newer or upcoming Terraform features that might help.
* Observation: Terraform provisioner support for single files works
well, but iteration isn't viable. We're also constrained to Terraform
language features on the apply side (no extra plugins, no shelling out)
and CoreOS / Fedora tools on the receive side.
* Take a map representation of the contents that would have been splayed
out in asset_dir and pack/encode them into a single file format devised
for easy unpacking. Use an awk one-liner on the receive side to unpack.
In pratice, this has worked well and its rather nice that a single
assets file is transferred by file provisioner (all or none)

Rel: https://github.com/poseidon/terraform-render-bootstrap/pull/162
 2019-12-05 01:24:50 -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
2c163503f1 Update etcd from v3.4.2 to v3.4.3 
* etcd v3.4.3 builds with Go v1.12.12 instead of v1.12.9
and adds a few minor metrics fixes
* https://github.com/etcd-io/etcd/compare/v3.4.2...v3.4.3
 2019-11-07 11:41:01 -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
a6702573a2 Update etcd from v3.4.1 to v3.4.2 
* https://github.com/etcd-io/etcd/releases/tag/v3.4.2
 2019-10-15 00:06:15 -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
Dalton Hubble
3e34fb075b Update etcd from v3.4.0 to v3.4.1 
* https://github.com/etcd-io/etcd/releases/tag/v3.4.1
 2019-09-28 15:09:57 -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
db947537d1 Migrate GCP, DO, Azure to static pod control plane 
* Run a kube-apiserver, kube-scheduler, and kube-controller-manager
static pod on each controller node. Previously, kube-apiserver was
self-hosted as a DaemonSet across controllers and kube-scheduler
and kube-controller-manager were a Deployment (with 2 or
controller_count many replicas).
* Remove bootkube bootstrap and pivot to self-hosted
* Remove pod-checkpointer manifests (no longer needed)
 2019-09-09 22:37:31 -07:00
Dalton Hubble
c20683067d Update etcd from v3.3.15 to v3.4.0 
* https://github.com/etcd-io/etcd/releases/tag/v3.4.0
 2019-09-08 15:32:49 -07:00
Dalton Hubble
c42139beaa Update etcd from v3.3.14 to v3.3.15 
* No functional changes, just changes to vendoring tools
(go modules -> glide). Still, update to v3.3.15 anyway
* https://github.com/etcd-io/etcd/compare/v3.3.14...v3.3.15
 2019-08-19 15:05:21 -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
8f412e2f09 Update etcd from v3.3.13 to v3.3.14 
* https://github.com/etcd-io/etcd/releases/tag/v3.3.14
 2019-08-18 21:05:06 -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
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
feb6192aac Update etcd from v3.3.12 to v3.3.13 on Container Linux 
* Skip updating etcd for Fedora Atomic clusters, now that
Fedora Atomic has been deprecated
 2019-05-04 12:55:42 -07:00
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
584088397c Update etcd from v3.3.11 to v3.3.12 
* https://github.com/etcd-io/etcd/releases/tag/v3.3.12
 2019-02-09 11:54:54 -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
b74cc8afd2 Update etcd from v3.3.10 to v3.3.11 
* https://github.com/etcd-io/etcd/releases/tag/v3.3.11
 2019-01-12 14:17:25 -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
8fd2978c31 Update bootkube image version from v0.13.0 to v0.14.0 
* https://github.com/kubernetes-incubator/bootkube/releases/tag/v0.14.0
 2018-11-06 23:35:11 -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
5a283b6443 Update etcd from v3.3.9 to v3.3.10 
* https://github.com/etcd-io/etcd/blob/master/CHANGELOG-3.3.md#v3310-2018-10-10
 2018-10-13 13:14:37 -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
db64ce3312 Update etcd from v3.3.8 to v3.3.9 
* https://github.com/coreos/etcd/blob/master/CHANGELOG-3.3.md#v339-2018-07-24
 2018-07-29 11:27:37 -07:00
Dalton Hubble
7c327b8bf4 Update from bootkube v0.12.0 to v0.13.0 2018-07-29 11:20:17 -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
6e64634748 Update etcd from v3.3.7 to v3.3.8 
* https://github.com/coreos/etcd/releases/tag/v3.3.8
 2018-06-19 21:56:21 -07:00
Dalton Hubble
51906bf398 Update etcd from v3.3.6 to v3.3.7 2018-06-14 22:46:16 -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
589c3569b7 Update etcd from v3.3.5 to v3.3.6 
* https://github.com/coreos/etcd/releases/tag/v3.3.6
 2018-06-06 23:19:30 -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