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5c4486f57b
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59 Commits

Author SHA1 Message Date
Dalton Hubble
5c4486f57b Allow using Flatcar Linux Edge on bare-metal and AWS 
* On AWS, use Flatcar Linux Edge by setting `os_image` to
"flatcar-edge"
* On bare-metal, Flatcar Linux Edge by setting `os_channel` to
"flatcar-edge"
 2019-06-22 23:38:42 -07:00
Dalton Hubble
2ba0181dbe Migrate AWS module Terraform v0.11 to v0.12 
* Replace v0.11 bracket type hints with Terraform v0.12 list expressions
* Use expression syntax instead of interpolated strings, where suggested
* Update AWS tutorial and worker pools documentation
* Define Terraform and plugin version requirements in versions.tf
  * Require aws ~> 2.7 to support Terraform v0.12
  * Require ct ~> 0.3.2 to support Terraform v0.12
 2019-06-06 09:45:59 -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
c565f9fd47 Rename worker pool modules' count variable to worker_count 
* This change affects users who use worker pools on AWS, GCP, or
Azure with a Container Linux derivative
* Rename worker pool modules' `count` variable to `worker_count`,
because `count` will be a reserved variable name in Terraform v0.12
 2019-05-27 16:40:00 -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
60265f9b58 Add ability to load balance TCP applications on AWS 
* Add ability to load balance TCP applications (e.g. NodePort)
* Output the network load balancer ARN as `nlb_id`
* Accept a `worker_target_groups` (ARN) list to which worker
instances should be added
* AWS NLBs and target groups don't support UDP
 2019-04-01 21:22:20 -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
1d66ad33f7 Change AWS worker modules' default type from t2.small to t3.small 
* Worker instance types weren't updated in #365
 2019-01-12 00:07:48 -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
9b405a19b2 Fix minor naming inconsistencies in Ignition and CLC data 2018-10-27 16:24:59 -07:00
Tamer Fahmy
bfa1a679eb Name AWS and DigitalOcean Ignition data sources consistently 2018-10-27 16:14:44 -07:00
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
Robert Fairburn
0be4673e44 Add disk_iops variable for AWS 
* Setting disk_iops is required for disk_type io1
* https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSVolumeTypes.html#EBSVolumeTypes
 2018-10-17 22:18:54 -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
6f958d7577 Replace kube-dns with CoreDNS 
* Add system:coredns ClusterRole and binding
* Annotate CoreDNS for Prometheus metrics scraping
* Remove kube-dns deployment, service, & service account
* https://github.com/poseidon/terraform-render-bootkube/pull/71
* https://kubernetes.io/blog/2018/06/27/kubernetes-1.11-release-announcement/
 2018-07-01 22:55:01 -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
855aec5af3 Clarify AWS module output names and changes 2018-06-23 15:29:13 -07:00
Dalton Hubble
0227014fa0 Fix terraform formatting 2018-06-22 00:28:36 -07:00
Dalton Hubble
fb6f40051f Disable AWS detailed monitoring on worker nodes 
* Basic monitoring (free) is sufficient for casual console browsing
* Detailed monitoring (paid) is not leveraged for CloudWatch anyway
* Favor Prometheus for cloud-agnostic metrics, aggregation, and alerting
 2018-06-22 00:26:06 -07:00
Dalton Hubble
316f06df06 Combine NLBs to use one NLB per cluster 
* Simplify clusters to come with a single NLB
* Listen for apiserver traffic on port 6443 and forward
to controllers (with healthy apiserver)
* Listen for ingress traffic on ports 80/443 and forward
to workers (with healthy ingress controller)
* Reduce cost of default clusters by 1 NLB ($18.14/month)
* Keep using CNAME records to the `ingress_dns_name` NLB and
the nginx-ingress addon for Ingress (up to a few million RPS)
* Users with heavy traffic (many million RPS) can create their
own separate NLB(s) for Ingress and use the new output worker
target groups
* Fix issue where additional worker pools come with an
extraneous network load balancer
 2018-06-21 23:46:57 -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
983489bb52 Re-run terraform fmt for formatting 2018-05-14 23:38:16 -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
5eb11f5104 Allow Flatcar Linux os_image on AWS, rename os_channel 
* Replace os_channel variable with os_image to align naming
across clouds. Users who set this option to stable, beta, or
alpha should now set os_image to coreos-stable, coreos-beta,
or coreos-alpha.
* Default os_image to coreos-stable. This continues to use
the most recent image from the stable channel as always.
* Allow Container Linux derivative Flatcar Linux by setting
os_image to `flatcar-stable`, `flatcar-beta`, `flatcar-alpha`
 2018-05-12 11:41:58 -07:00
Dalton Hubble
cc29530ba0 Allow preemptible workers on AWS via spot instances 
* Add `worker_price` to allow worker spot instances. Defaults
to empty string for the worker autoscaling group to use regular
on-demand instances.
* Add `spot_price` to internal `workers` module for spot worker
pools
* Note: Unlike GCP `preemptible` workers, spot instances require
you to pick a bid price.
 2018-04-29 13:31:17 -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
23a8156bdf Fix a few typos in comments 2018-04-15 17:21:49 -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
f8e9bfb1c0 Add disk_type variable for EBS volume type on AWS 
* Change EBS volume type from `standard` ("prior generation)
 to `gp2`. Prometheus alerts are tuned for SSDs
* Other platforms have fast enough disks by default
 2018-03-29 22:51:54 -07:00
Dalton Hubble
e43cf9f608 Organize and cleanup variable descriptions 2018-03-25 21:44:43 -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