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<!--monopod:start--> | ||
# node-feature-directory | ||
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| **OCI Reference** | `cgr.dev/chainguard/node-feature-directory` | | ||
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* [View Image in Chainguard Academy](https://edu.chainguard.dev/chainguard/chainguard-images/reference/node-feature-directory/overview/) | ||
* [View Image Catalog](https://console.enforce.dev/images/catalog) for a full list of available tags. | ||
* [Contact Chainguard](https://www.chainguard.dev/chainguard-images) for enterprise support, SLAs, and access to older tags.* | ||
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--- | ||
<!--monopod:end--> | ||
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<!--overview:start--> | ||
A minimal wolfi-based image for node-feature-discovery, Node feature discovery for Kubernetes | ||
<!--overview:end--> | ||
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<!--getting:start--> | ||
## Download this Image | ||
The image is available on `cgr.dev`: | ||
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``` | ||
docker pull cgr.dev/chainguard/node-feature-directory:latest | ||
``` | ||
<!--getting:end--> | ||
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<!--body:start--> | ||
## Upstream documentation | ||
For more information on grafana, refer to the [node-feature-discovery documentation](https://kubernetes-sigs.github.io/node-feature-discovery/stable/get-started/index.html). | ||
Additionally the node-feature-discovery GitHub reposiory can be [found here](https://github.com/kubernetes-sigs/node-feature-discovery). | ||
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## Helm | ||
Node-feature-discovery can be deployed using the following helm chart: | ||
- [https://artifacthub.io/packages/helm/node-feature-discovery/node-feature-discovery](https://artifacthub.io/packages/helm/node-feature-discovery/node-feature-discovery) | ||
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Follow the instructions in the link above to deploy node-feature-discovery using helm. Note you | ||
will need to override the default image and tag used, replacing with the | ||
chainguard image, example: | ||
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```bash | ||
helm repo add node-feature-discovery https://kubernetes-sigs.github.io/node-feature-discovery/charts | ||
helm repo update | ||
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export NFD_NS=node-feature-discovery | ||
helm install nfd/node-feature-discovery --namespace $NFD_NS --create-namespace --generate-name \ | ||
--set image.repository=cgr.dev/chainguard/node-feature-discovery \ | ||
--set image.tag=latest | ||
``` | ||
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Refer to the [helm chart documentation](https://artifacthub.io/packages/helm/node-feature-discovery/node-feature-discovery) | ||
for full instructions on how to use the helm chart. | ||
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<!--body:end--> |
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contents: | ||
packages: | ||
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accounts: | ||
groups: | ||
- groupname: nonroot | ||
gid: 65532 | ||
users: | ||
- username: nonroot | ||
uid: 65532 | ||
gid: 65532 | ||
run-as: 65532 | ||
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environment: | ||
PATH: /usr/sbin:/sbin:/usr/bin:/bin |
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terraform { | ||
required_providers { | ||
apko = { source = "chainguard-dev/apko" } | ||
} | ||
} | ||
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variable "extra_packages" { | ||
description = "The additional packages to install" | ||
default = ["node-feature-discovery"] | ||
} | ||
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data "apko_config" "this" { | ||
config_contents = file("${path.module}/latest.apko.yaml") | ||
extra_packages = var.extra_packages | ||
} | ||
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output "config" { | ||
value = jsonencode(data.apko_config.this.config) | ||
} |
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terraform { | ||
required_providers { | ||
oci = { source = "chainguard-dev/oci" } | ||
} | ||
} | ||
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variable "target_repository" { | ||
description = "The docker repo into which the image and attestations should be published." | ||
} | ||
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module "latest-config" { source = "./config" } | ||
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module "latest" { | ||
source = "../../tflib/publisher" | ||
name = basename(path.module) | ||
target_repository = var.target_repository | ||
config = module.latest-config.config | ||
build-dev = true | ||
} | ||
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module "test-latest" { | ||
source = "./tests" | ||
digest = module.latest.image_ref | ||
} | ||
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resource "oci_tag" "latest" { | ||
depends_on = [module.test-latest] | ||
digest_ref = module.latest.image_ref | ||
tag = "latest" | ||
} | ||
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resource "oci_tag" "latest-dev" { | ||
depends_on = [module.test-latest] | ||
digest_ref = module.latest.dev_ref | ||
tag = "latest-dev" | ||
} | ||
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name: node-feature-directory | ||
image: cgr.dev/chainguard/node-feature-directory | ||
logo: https://storage.googleapis.com/chainguard-academy/logos/grafana.svg | ||
endoflife: "" | ||
console_summary: "" | ||
short_description: A minimal wolfi-based image for node-feature-discovery, Node feature discovery for Kubernetes | ||
compatibility_notes: "" | ||
readme_file: README.md | ||
upstream_url: https://github.com/grafana/https://github.com/kubernetes-sigs/node-feature-discovery | ||
keywords: | ||
- kubernetes | ||
- application | ||
- node-discovery |
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terraform { | ||
required_providers { | ||
oci = { source = "chainguard-dev/oci" } | ||
helm = { source = "hashicorp/helm" } | ||
imagetest = { source = "chainguard-dev/imagetest" } | ||
} | ||
} | ||
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variable "digest" { | ||
description = "The image digest to run tests over." | ||
} | ||
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data "oci_string" "ref" { | ||
input = var.digest | ||
} | ||
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data "imagetest_inventory" "this" {} | ||
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resource "imagetest_harness_k3s" "this" { | ||
name = "node-feature-discovery" | ||
inventory = data.imagetest_inventory.this | ||
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sandbox = { | ||
mounts = [ | ||
{ | ||
source = path.module | ||
destination = "/tests" | ||
} | ||
] | ||
} | ||
} | ||
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module "helm_node-feature-discovery" { | ||
source = "../../../tflib/imagetest/helm" | ||
chart = "node-feature-discovery" | ||
repo = "https://kubernetes-sigs.github.io/node-feature-discovery/charts" | ||
name = "node-feature-discovery" | ||
values = { | ||
image = { | ||
repository = data.oci_string.ref.registry_repo | ||
tag = data.oci_string.ref.pseudo_tag | ||
pullPolicy = "Always" | ||
} | ||
} | ||
} | ||
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resource "imagetest_feature" "test_labels" { | ||
harness = imagetest_harness_k3s.this | ||
name = "Test Labels" | ||
description = "Basic functionality of the node-feature-discovery helm chart." | ||
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steps = [ | ||
{ | ||
name = "Helm install node-feature-discovery" | ||
cmd = module.helm_node-feature-discovery.install_cmd | ||
}, | ||
{ | ||
name = "Ensure it has the necessary labels For CPU, Kernel and Storage" | ||
cmd = <<EOF | ||
apk add jq bash | ||
bash /tests/test-labels.sh | ||
EOF | ||
} | ||
] | ||
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labels = { | ||
type = "k8s" | ||
} | ||
} |
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echo -e "Sleeping for 10 seconds" | ||
sleep 10 | ||
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cpu=`kubectl get no -o json | jq '.items[].metadata.labels' | grep 'feature.node.kubernetes.io/cpu-'` | ||
kernel=`kubectl get no -o json | jq '.items[].metadata.labels' | grep 'feature.node.kubernetes.io/kernel-'` | ||
storage=`kubectl get no -o json | jq '.items[].metadata.labels' | grep 'feature.node.kubernetes.io/storage-'` | ||
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if [[ ${#cpu} -ge 1 && ${#kernel} -ge 1 && ${#storage} -ge 1 ]]; then | ||
exit 0 | ||
else | ||
echo "Corresponding CPU or Kernel or storage labels have not been found" | ||
exit 1 | ||
fi |
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