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chrischdichrischdi
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add sidecar for kube-state-metrics and read crd config from cm + add option to add kustomizations via tilt
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9 files changed

+186
-47
lines changed

9 files changed

+186
-47
lines changed

‎Tiltfile

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Original file line numberDiff line numberDiff line change
@@ -482,6 +482,19 @@ def deploy_observability():
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objects = ["capi-visualizer:serviceaccount"],
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)
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485+
def deploy_kustomizations():
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for name in settings.get("deploy_kustomizations", []):
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yaml = read_file("./.tiltbuild/yaml/{}.kustomization.yaml".format(name))
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k8s_yaml(yaml)
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objs = decode_yaml_stream(yaml)
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print("objects")
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print(find_all_objects_names(objs))
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k8s_resource(
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new_name = name,
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objects = find_all_objects_names(objs),
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labels = ["kustomization"],
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)
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485498
def prepare_all():
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tools_arg = "--tools kustomize,envsubst,clusterctl "
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tilt_settings_file_arg = "--tilt-settings-file " + tilt_file
@@ -640,6 +653,8 @@ deploy_provider_crds()
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deploy_observability()
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656+
deploy_kustomizations()
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643658
enable_providers()
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cluster_templates()

‎hack/observability/kube-state-metrics/chart/cm-crd-sidecar.yaml

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@@ -0,0 +1,30 @@
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: kube-state-metrics-crd-sidecar-script
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data:
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compile.sh: |
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#!/bin/sh
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set -x
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SOURCE_DIR="/tmp"
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TARGET_FILE="/etc/config/crd-config.yaml"
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# This script will use a temporary file to only overwrite the target file once.
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TARGET_FILE_TMP="${TARGET_FILE}.tmp"
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# Create header
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cat << EOF > "${TARGET_FILE_TMP}"
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kind: CustomResourceStateMetrics
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spec:
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resources:
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EOF
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# Append custom resource config of all files but remove headers
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for f in $(ls -1 ${SOURCE_DIR}/*.yaml); do
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cat $f | grep -v -E -e '^(-|kind: CustomResourceStateMetrics|spec:| +resources:)' \
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>> "${TARGET_FILE_TMP}"
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done
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# Overwrite target file
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mv "${TARGET_FILE_TMP}" "${TARGET_FILE}"

‎hack/observability/kube-state-metrics/chart/kustomization.yaml

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Original file line numberDiff line numberDiff line change
@@ -11,3 +11,12 @@ helmGlobals:
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# Otherwise "go mod tidy" picks up dependencies of go files contained in the Helm Chart.
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# "go mod tidy" ignores folders that begin with ".": https://pkg.go.dev/cmd/go#hdr-Package_lists_and_patterns.
1313
chartHome: .charts
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resources:
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- rbac-crd-aggregation.yaml
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- cm-crd-sidecar.yaml
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patches:
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- path: patch-crd-sidecar.yaml
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target:
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kind: Deployment

‎hack/observability/kube-state-metrics/chart/patch-crd-sidecar.yaml

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@@ -0,0 +1,46 @@
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: kube-state-metrics
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spec:
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template:
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spec:
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containers:
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- env:
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- name: LABEL
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value: kube-state-metrics/custom-resource
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- name: FOLDER
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value: /tmp
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- name: RESOURCE
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value: configmap
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- name: NAMESPACE
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value: observability
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- name: SCRIPT
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value: /script/compile.sh
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image: kiwigrid/k8s-sidecar:latest
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name: crd-sidecar
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volumeMounts:
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- mountPath: /etc/config
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name: config-volume
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- mountPath: /script
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name: compile-script
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initContainers:
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- command:
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- /bin/sh
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- -c
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- |
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cat << EOF > "/etc/config/crd-config.yaml"
33+
kind: CustomResourceStateMetrics
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spec:
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resources: []
36+
EOF
37+
image: kiwigrid/k8s-sidecar:latest
38+
name: init-crd-config
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volumeMounts:
40+
- mountPath: /etc/config
41+
name: config-volume
42+
volumes:
43+
- configMap:
44+
defaultMode: 511
45+
name: kube-state-metrics-crd-sidecar-script
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name: compile-script

‎hack/observability/kube-state-metrics/chart/rbac-crd-aggregation.yaml

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@@ -0,0 +1,24 @@
1+
---
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# ClusterRole to aggregate other ClusterRoles for different Custom Resource Configurations
3+
apiVersion: rbac.authorization.k8s.io/v1
4+
kind: ClusterRole
5+
metadata:
6+
name: kube-state-metrics-aggregated-role
7+
aggregationRule:
8+
clusterRoleSelectors:
9+
- matchLabels:
10+
kube-state-metrics/aggregate-to-manager: "true"
11+
---
12+
# ClusterRoleBinding for the aggregation role
13+
apiVersion: rbac.authorization.k8s.io/v1
14+
kind: ClusterRoleBinding
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metadata:
16+
name: kube-state-metrics-custom-resource-rolebinding
17+
roleRef:
18+
apiGroup: rbac.authorization.k8s.io
19+
kind: ClusterRole
20+
name: kube-state-metrics-aggregated-role
21+
subjects:
22+
- kind: ServiceAccount
23+
name: kube-state-metrics
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namespace: observability

‎hack/observability/kube-state-metrics/chart/values.yaml

Lines changed: 2 additions & 33 deletions
Original file line numberDiff line numberDiff line change
@@ -4,9 +4,8 @@ volumeMounts:
44
name: config-volume
55

66
volumes:
7-
- configMap:
8-
name: kube-state-metrics-crd-config
9-
name: config-volume
7+
- emptyDir: {}
8+
name: config-volume
109

1110
extraArgs:
1211
- "--custom-resource-state-config-file=/etc/config/crd-config.yaml"
@@ -21,33 +20,3 @@ rbac:
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- get
2221
- list
2322
- watch
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- apiGroups:
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- cluster.x-k8s.io
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resources:
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- clusterclasses
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- clusters
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- machinedeployments
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- machinepools
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- machinesets
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- machines
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- machinehealthchecks
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verbs:
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- get
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- list
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- watch
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- apiGroups:
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- controlplane.cluster.x-k8s.io
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resources:
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- kubeadmcontrolplanes
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verbs:
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- get
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- list
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- watch
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- apiGroups:
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- bootstrap.cluster.x-k8s.io
48-
resources:
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- kubeadmconfigs
50-
verbs:
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- get
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- list
53-
- watch

‎hack/observability/kube-state-metrics/crd-clusterrole.yaml

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@@ -0,0 +1,38 @@
1+
---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRole
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metadata:
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name: kube-state-metrics-custom-resource-capi
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labels:
7+
kube-state-metrics/aggregate-to-manager: "true"
8+
rules:
9+
- apiGroups:
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- cluster.x-k8s.io
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resources:
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- clusterclasses
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- clusters
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- machinedeployments
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- machinepools
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- machinesets
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- machines
18+
- machinehealthchecks
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verbs:
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- get
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- list
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- watch
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- apiGroups:
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- controlplane.cluster.x-k8s.io
25+
resources:
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- kubeadmcontrolplanes
27+
verbs:
28+
- get
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- list
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- watch
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- apiGroups:
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- bootstrap.cluster.x-k8s.io
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resources:
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- kubeadmconfigs
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verbs:
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- get
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- list
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- watch

‎hack/observability/kube-state-metrics/kustomization.yaml

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Original file line numberDiff line numberDiff line change
@@ -1,15 +1,15 @@
11
resources:
22
- ../namespace.yaml
3-
# The kube-state-metrics helm chart will reference a configmap with name `kube-state-metrics-crd-config`.
4-
# The configMapGenerator below will create the configmap and append a hash suffix calculated from its
5-
# content to the name. Kustomize will append the suffix hash to all references in the helm chart, but
6-
# only when the helm chart content is referenced in "resources".
7-
# This would not work if the helm chart is configured in this file via the "helmCharts" option.
83
- ./chart
4+
- ./crd-clusterrole.yaml
95

106
namespace: observability
117

128
configMapGenerator:
13-
- name: kube-state-metrics-crd-config
9+
- name: kube-state-metrics-crd-config-capi
1410
files:
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- crd-config.yaml
11+
- capi.yaml=crd-config.yaml
12+
options:
13+
disableNameSuffixHash: true
14+
labels:
15+
kube-state-metrics/custom-resource: "true"

‎hack/tools/internal/tilt-prepare/main.go

Lines changed: 15 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -104,13 +104,14 @@ var (
104104
// Types used to de-serialize the tilt-settings.yaml/json file from the Cluster API repository.
105105

106106
type tiltSettings struct {
107-
Debug map[string]tiltSettingsDebugConfig `json:"debug,omitempty"`
108-
ExtraArgs map[string]tiltSettingsExtraArgs `json:"extra_args,omitempty"`
109-
DeployCertManager *bool `json:"deploy_cert_manager,omitempty"`
110-
DeployObservability []string `json:"deploy_observability,omitempty"`
111-
EnableProviders []string `json:"enable_providers,omitempty"`
112-
AllowedContexts []string `json:"allowed_contexts,omitempty"`
113-
ProviderRepos []string `json:"provider_repos,omitempty"`
107+
Debug map[string]tiltSettingsDebugConfig `json:"debug,omitempty"`
108+
ExtraArgs map[string]tiltSettingsExtraArgs `json:"extra_args,omitempty"`
109+
DeployCertManager *bool `json:"deploy_cert_manager,omitempty"`
110+
DeployObservability []string `json:"deploy_observability,omitempty"`
111+
DeployKustomizations map[string]string `json:"deploy_kustomizations,omitempty"`
112+
EnableProviders []string `json:"enable_providers,omitempty"`
113+
AllowedContexts []string `json:"allowed_contexts,omitempty"`
114+
ProviderRepos []string `json:"provider_repos,omitempty"`
114115
}
115116

116117
type tiltSettingsDebugConfig struct {
@@ -308,6 +309,13 @@ func tiltResources(ctx context.Context, ts *tiltSettings) error {
308309
)
309310
}
310311

312+
for name, path := range ts.DeployKustomizations {
313+
name := fmt.Sprintf("%s.kustomization", name)
314+
tasks[name] = sequential(
315+
kustomizeTask(path, fmt.Sprintf("%s.yaml", name)),
316+
)
317+
}
318+
311319
// Add read configurations from provider repos
312320
for _, p := range ts.ProviderRepos {
313321
tiltProviderConfigs, err := loadTiltProvider(p)

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