Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

docs: Add a full example of CoreDNS ConfigurationSchema #334

Merged
merged 3 commits into from
Dec 21, 2023
Merged

docs: Add a full example of CoreDNS ConfigurationSchema #334

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
659ba60
add more example for eks-addons
allamand Dec 21, 2023
687528b
keep resources values
allamand Dec 21, 2023
0e3901b
Running pre-commit
rodrigobersa Dec 21, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
188 changes: 178 additions & 10 deletions docs/amazon-eks-addons.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -100,10 +100,10 @@ You can supply custom configuration values to each addon via the `configuration_

```sh
aws eks describe-addon-configuration \
--addon-name coredns \
--addon-version v1.8.7-eksbuild.2 \
--query 'configurationSchema' \
--output text | jq
--addon-name coredns \
--addon-version v1.10.1-eksbuild.2 \
--query 'configurationSchema' \
--output text | jq
```

Which returns the formatted JSON schema like below:
Expand All @@ -116,6 +116,63 @@ Which returns the formatted JSON schema like below:
"Coredns": {
"additionalProperties": false,
"properties": {
"affinity": {
"default": {
"affinity": {
"nodeAffinity": {
"requiredDuringSchedulingIgnoredDuringExecution": {
"nodeSelectorTerms": [
{
"matchExpressions": [
{
"key": "kubernetes.io/os",
"operator": "In",
"values": [
"linux"
]
},
{
"key": "kubernetes.io/arch",
"operator": "In",
"values": [
"amd64",
"arm64"
]
}
]
}
]
}
},
"podAntiAffinity": {
"preferredDuringSchedulingIgnoredDuringExecution": [
{
"podAffinityTerm": {
"labelSelector": {
"matchExpressions": [
{
"key": "k8s-app",
"operator": "In",
"values": [
"kube-dns"
]
}
]
},
"topologyKey": "kubernetes.io/hostname"
},
"weight": 100
}
]
}
}
},
"description": "Affinity of the coredns pods",
"type": [
"object",
"null"
]
},
"computeType": {
"type": "string"
},
Expand All @@ -134,6 +191,27 @@ Which returns the formatted JSON schema like below:
},
"resources": {
"$ref": "#/definitions/Resources"
},
"tolerations": {
"default": [
{
"key": "CriticalAddonsOnly",
"operator": "Exists"
},
{
"key": "node-role.kubernetes.io/master",
"operator": "NoSchedule"
}
],
"description": "Tolerations of the coredns pod",
"items": {
"type": "object"
},
"type": "array"
},
"topologySpreadConstraints": {
"description": "The coredns pod topology spread constraints",
"type": "array"
}
},
"title": "Coredns",
Expand Down Expand Up @@ -178,11 +256,104 @@ module "eks_blueprints_addons" {
# ... truncated for brevity

eks_addons = {
coredns = {
coredns = {
most_recent = true

configuration_values = jsonencode({
replicaCount = 4
tolerations = [
{
key = "dedicated",
operator = "Equal",
effect = "NoSchedule",
value = "orchestration-seb"
}
]

topologySpreadConstraints = [
{
maxSkew = 1
topologyKey = "topology.kubernetes.io/zone"
whenUnsatisfiable = "ScheduleAnyway"
labelSelector = {
matchLabels = {
k8s-app: "kube-dns"
}
}
}
]

affinity = {
nodeAffinity = {
requiredDuringSchedulingIgnoredDuringExecution = {
nodeSelectorTerms = [
{
matchExpressions = [
{
key = "kubernetes.io/os"
operator = "In"
values = ["linux"]
},
{
key = "kubernetes.io/arch"
operator = "In"
values = ["amd64"]
}
]
}]
}
}

podAffinity = {
requiredDuringSchedulingIgnoredDuringExecution = [{
labelSelector = {
matchExpressions = [
{
key = "k8s-app"
operator = "NotIn"
values = ["kube-dns"]
}
]
}
topologyKey = "kubernetes.io/hostname"
}
]
}

podAntiAffinity = {
preferredDuringSchedulingIgnoredDuringExecution = [{
podAffinityTerm = {
labelSelector = {
matchExpressions = [
{
key = "k8s-app"
operator = "In"
values = ["kube-dns"]
}
]
}
topologyKey = "kubernetes.io/hostname"
}
weight = 100
}
]

requiredDuringSchedulingIgnoredDuringExecution = [{
labelSelector = {
matchExpressions = [
{
key = "k8s-app"
operator = "In"
values = ["kube-dns"]
}
]
}
topologyKey = "kubernetes.io/hostname"
}
]
}

}

resources = {
limits = {
cpu = "100m"
Expand All @@ -191,10 +362,7 @@ module "eks_blueprints_addons" {
requests = {
cpu = "100m"
memory = "150Mi"
}
}
})
})
}
}
}
```