diff --git a/scanner/playground/README.md b/scanner/playground/README.md new file mode 100644 index 0000000..4fc63d5 --- /dev/null +++ b/scanner/playground/README.md @@ -0,0 +1,26 @@ +# Playground + +This is a little Playground to build a little k8s cluster with some resources to build scanners on top of it. + +## Setup of Local cluster using helm + +To setup the playground you need to have a running k8s cluster. You can use e.g. minikube, docker desktop or kind for that + +```bash +helm install k8s-playground ./k8s-playground +``` + +## Usage of Service Account + +To use the Service Account that created with the local cluster helm chart you need to use the "localSAConfig" method in main.go + +To generate the token for the Service Account you can use the following command: + +```bash +kubectl create token {{ .Values.serviceAccount.name }} --duration=24h > ./my_token +``` + +## Script examples + +There are 3 examples provided in the "main.go" to show how to authenticate against the local cluster and how to use the client-go library to interact with an OIDC protected oidc cluster. + diff --git a/scanner/playground/go.mod b/scanner/playground/go.mod new file mode 100644 index 0000000..7f26bca --- /dev/null +++ b/scanner/playground/go.mod @@ -0,0 +1,53 @@ +module github.com/cloudoperators/heureka/scanners/playground + +go 1.22.6 + +require ( + k8s.io/apimachinery v0.31.0 + k8s.io/client-go v0.31.0 +) + +require ( + github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect + github.com/emicklei/go-restful/v3 v3.11.0 // indirect + github.com/fxamacker/cbor/v2 v2.7.0 // indirect + github.com/go-logr/logr v1.4.2 // indirect + github.com/go-openapi/jsonpointer v0.19.6 // indirect + github.com/go-openapi/jsonreference v0.20.2 // indirect + github.com/go-openapi/swag v0.22.4 // indirect + github.com/gogo/protobuf v1.3.2 // indirect + github.com/golang/protobuf v1.5.4 // indirect + github.com/google/gnostic-models v0.6.8 // indirect + github.com/google/go-cmp v0.6.0 // indirect + github.com/google/gofuzz v1.2.0 // indirect + github.com/google/uuid v1.6.0 // indirect + github.com/imdario/mergo v0.3.6 // indirect + github.com/jedib0t/go-pretty/v6 v6.5.9 // indirect + github.com/josharian/intern v1.0.0 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/mailru/easyjson v0.7.7 // indirect + github.com/mattn/go-runewidth v0.0.15 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect + github.com/rivo/uniseg v0.2.0 // indirect + github.com/spf13/pflag v1.0.5 // indirect + github.com/x448/float16 v0.8.4 // indirect + golang.org/x/net v0.26.0 // indirect + golang.org/x/oauth2 v0.21.0 // indirect + golang.org/x/sys v0.21.0 // indirect + golang.org/x/term v0.21.0 // indirect + golang.org/x/text v0.16.0 // indirect + golang.org/x/time v0.3.0 // indirect + google.golang.org/protobuf v1.34.2 // indirect + gopkg.in/inf.v0 v0.9.1 // indirect + gopkg.in/yaml.v2 v2.4.0 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect + k8s.io/api v0.31.0 // indirect + k8s.io/klog/v2 v2.130.1 // indirect + k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 // indirect + k8s.io/utils v0.0.0-20240711033017-18e509b52bc8 // indirect + sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect + sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect + sigs.k8s.io/yaml v1.4.0 // indirect +) diff --git a/scanner/playground/go.sum b/scanner/playground/go.sum new file mode 100644 index 0000000..2da1bc1 --- /dev/null +++ b/scanner/playground/go.sum @@ -0,0 +1,160 @@ +github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM= +github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/emicklei/go-restful/v3 v3.11.0 h1:rAQeMHw1c7zTmncogyy8VvRZwtkmkZ4FxERmMY4rD+g= +github.com/emicklei/go-restful/v3 v3.11.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc= +github.com/fxamacker/cbor/v2 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h1:N8hJocpFajUSSeSJ9bOZ77VzejKZaXsTtZo4/u7Io08= +sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E= +sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY= diff --git a/scanner/playground/k8s-playground/.helmignore b/scanner/playground/k8s-playground/.helmignore new file mode 100644 index 0000000..0e8a0eb --- /dev/null +++ b/scanner/playground/k8s-playground/.helmignore @@ -0,0 +1,23 @@ +# Patterns to ignore when building packages. +# This supports shell glob matching, relative path matching, and +# negation (prefixed with !). Only one pattern per line. +.DS_Store +# Common VCS dirs +.git/ +.gitignore +.bzr/ +.bzrignore +.hg/ +.hgignore +.svn/ +# Common backup files +*.swp +*.bak +*.tmp +*.orig +*~ +# Various IDEs +.project +.idea/ +*.tmproj +.vscode/ diff --git a/scanner/playground/k8s-playground/Chart.yaml b/scanner/playground/k8s-playground/Chart.yaml new file mode 100644 index 0000000..8cc5969 --- /dev/null +++ b/scanner/playground/k8s-playground/Chart.yaml @@ -0,0 +1,27 @@ +# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors +# SPDX-License-Identifier: Apache-2.0 + +apiVersion: v2 +name: k8s-playground +description: This Helm chart does create a couple of resources in a Kubernetes cluster to operate locally against + +# A chart can be either an 'application' or a 'library' chart. +# +# Application charts are a collection of templates that can be packaged into versioned archives +# to be deployed. +# +# Library charts provide useful utilities or functions for the chart developer. They're included as +# a dependency of application charts to inject those utilities and functions into the rendering +# pipeline. Library charts do not define any templates and therefore cannot be deployed. +type: application + +# This is the chart version. This version number should be incremented each time you make changes +# to the chart and its templates, including the app version. +# Versions are expected to follow Semantic Versioning (https://semver.org/) +version: 0.1.0 + +# This is the version number of the application being deployed. This version number should be +# incremented each time you make changes to the application. Versions are not expected to +# follow Semantic Versioning. They should reflect the version the application is using. +# It is recommended to use it with quotes. +appVersion: "1.16.0" diff --git a/scanner/playground/k8s-playground/templates/NOTES.txt b/scanner/playground/k8s-playground/templates/NOTES.txt new file mode 100644 index 0000000..3365218 --- /dev/null +++ b/scanner/playground/k8s-playground/templates/NOTES.txt @@ -0,0 +1,32 @@ +-- This is a Testing Helm Chart for Kubernetes that deploys some pods. There is no functionality included. +{{ if .Values.serviceAccount.create }} + {{ if .Values.rbac.create }} +To get a Service Account Token for "{{ .Values.serviceAccount.name }}" that gives your read capabilities to this cluster do the following: +-------------------------------------------------------------- +kubectl create token {{ .Values.serviceAccount.name }} --duration=24h > ./my_token +-------------------------------------------------------------- +This will create a file "./my_token" with a token as content with a 24 hour vadility that you can use to access the cluster. + {{- end }} +{{- end }} +{{/*-- To access the nginx ingress controller / the application do the following:*/}} +{{/*{{- if .Values.ingress.enabled }}*/}} +{{/*{{- range $host := .Values.ingress.hosts }}*/}} +{{/* {{- range .paths }}*/}} +{{/* http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ .path }}*/}} +{{/* {{- end }}*/}} +{{/*{{- end }}*/}} +{{/*{{- else if contains "NodePort" .Values.service.type }}*/}} +{{/* export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "k8s-playground.fullname" . }})*/}} +{{/* export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")*/}} +{{/* echo http://$NODE_IP:$NODE_PORT*/}} +{{/*{{- else if contains "LoadBalancer" .Values.service.type }}*/}} +{{/* NOTE: It may take a few minutes for the LoadBalancer IP to be available.*/}} +{{/* You can watch its status by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "k8s-playground.fullname" . }}'*/}} +{{/* export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "k8s-playground.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")*/}} +{{/* echo http://$SERVICE_IP:{{ .Values.service.port }}*/}} +{{/*{{- else if contains "ClusterIP" .Values.service.type }}*/}} +{{/* export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "k8s-playground.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")*/}} +{{/* export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")*/}} +{{/* echo "Visit http://127.0.0.1:8080 to use your application"*/}} +{{/* kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT*/}} +{{/*{{- end }}*/}} diff --git a/scanner/playground/k8s-playground/templates/_helpers.tpl b/scanner/playground/k8s-playground/templates/_helpers.tpl new file mode 100644 index 0000000..8bf4893 --- /dev/null +++ b/scanner/playground/k8s-playground/templates/_helpers.tpl @@ -0,0 +1,62 @@ +{{/* +Expand the name of the chart. +*/}} +{{- define "k8s-playground.name" -}} +{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }} +{{- end }} + +{{/* +Create a default fully qualified app name. +We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec). +If release name contains chart name it will be used as a full name. +*/}} +{{- define "k8s-playground.fullname" -}} +{{- if .Values.fullnameOverride }} +{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }} +{{- else }} +{{- $name := default .Chart.Name .Values.nameOverride }} +{{- if contains $name .Release.Name }} +{{- .Release.Name | trunc 63 | trimSuffix "-" }} +{{- else }} +{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }} +{{- end }} +{{- end }} +{{- end }} + +{{/* +Create chart name and version as used by the chart label. +*/}} +{{- define "k8s-playground.chart" -}} +{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }} +{{- end }} + +{{/* +Common labels +*/}} +{{- define "k8s-playground.labels" -}} +helm.sh/chart: {{ include "k8s-playground.chart" . }} +{{ include "k8s-playground.selectorLabels" . }} +{{- if .Chart.AppVersion }} +app.kubernetes.io/version: {{ .Chart.AppVersion | quote }} +{{- end }} +app.kubernetes.io/managed-by: {{ .Release.Service }} +{{- end }} + +{{/* +Selector labels +*/}} +{{- define "k8s-playground.selectorLabels" -}} +app.kubernetes.io/name: {{ include "k8s-playground.name" . }} +app.kubernetes.io/instance: {{ .Release.Name }} +{{- end }} + +{{/* +Create the name of the service account to use +*/}} +{{- define "k8s-playground.serviceAccountName" -}} +{{- if .Values.serviceAccount.create }} +{{- default (include "k8s-playground.fullname" .) .Values.serviceAccount.name }} +{{- else }} +{{- default "default" .Values.serviceAccount.name }} +{{- end }} +{{- end }} diff --git a/scanner/playground/k8s-playground/templates/clusterrole.yaml b/scanner/playground/k8s-playground/templates/clusterrole.yaml new file mode 100644 index 0000000..ea5143a --- /dev/null +++ b/scanner/playground/k8s-playground/templates/clusterrole.yaml @@ -0,0 +1,9 @@ +# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors +# SPDX-License-Identifier: Apache-2.0 + +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRole +metadata: + name: {{ .Values.rbac.clusterRole.name }} +rules: +{{ toYaml .Values.rbac.clusterRole.rules | indent 2 }} \ No newline at end of file diff --git a/scanner/playground/k8s-playground/templates/clusterrolebinding.yaml b/scanner/playground/k8s-playground/templates/clusterrolebinding.yaml new file mode 100644 index 0000000..6e87df8 --- /dev/null +++ b/scanner/playground/k8s-playground/templates/clusterrolebinding.yaml @@ -0,0 +1,15 @@ +# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors +# SPDX-License-Identifier: Apache-2.0 + +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRoleBinding +metadata: + name: {{ .Values.rbac.clusterRole.name }}-binding +roleRef: + apiGroup: rbac.authorization.k8s.io + kind: ClusterRole + name: {{ .Values.rbac.clusterRole.name }} +subjects: + - kind: ServiceAccount + name: {{ .Values.serviceAccount.name }} + namespace: {{ .Release.Namespace }} \ No newline at end of file diff --git a/scanner/playground/k8s-playground/templates/deployment.yaml b/scanner/playground/k8s-playground/templates/deployment.yaml new file mode 100644 index 0000000..a1ff2cd --- /dev/null +++ b/scanner/playground/k8s-playground/templates/deployment.yaml @@ -0,0 +1,71 @@ +# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors +# SPDX-License-Identifier: Apache-2.0 + +apiVersion: apps/v1 +kind: Deployment +metadata: + name: {{ include "k8s-playground.fullname" . }} + labels: + {{- include "k8s-playground.labels" . | nindent 4 }} +spec: + {{- if not .Values.autoscaling.enabled }} + replicas: {{ .Values.replicaCount }} + {{- end }} + selector: + matchLabels: + {{- include "k8s-playground.selectorLabels" . | nindent 6 }} + template: + metadata: + {{- with .Values.podAnnotations }} + annotations: + {{- toYaml . | nindent 8 }} + {{- end }} + labels: + {{- include "k8s-playground.labels" . | nindent 8 }} + {{- with .Values.podLabels }} + {{- toYaml . | nindent 8 }} + {{- end }} + spec: + {{- with .Values.imagePullSecrets }} + imagePullSecrets: + {{- toYaml . | nindent 8 }} + {{- end }} + serviceAccountName: {{ include "k8s-playground.serviceAccountName" . }} + securityContext: + {{- toYaml .Values.podSecurityContext | nindent 8 }} + containers: + - name: {{ .Chart.Name }} + securityContext: + {{- toYaml .Values.securityContext | nindent 12 }} + image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}" + imagePullPolicy: {{ .Values.image.pullPolicy }} + ports: + - name: http + containerPort: {{ .Values.service.port }} + protocol: TCP + livenessProbe: + {{- toYaml .Values.livenessProbe | nindent 12 }} + readinessProbe: + {{- toYaml .Values.readinessProbe | nindent 12 }} + resources: + {{- toYaml .Values.resources | nindent 12 }} + {{- with .Values.volumeMounts }} + volumeMounts: + {{- toYaml . | nindent 12 }} + {{- end }} + {{- with .Values.volumes }} + volumes: + {{- toYaml . | nindent 8 }} + {{- end }} + {{- with .Values.nodeSelector }} + nodeSelector: + {{- toYaml . | nindent 8 }} + {{- end }} + {{- with .Values.affinity }} + affinity: + {{- toYaml . | nindent 8 }} + {{- end }} + {{- with .Values.tolerations }} + tolerations: + {{- toYaml . | nindent 8 }} + {{- end }} diff --git a/scanner/playground/k8s-playground/templates/hpa.yaml b/scanner/playground/k8s-playground/templates/hpa.yaml new file mode 100644 index 0000000..d419fb6 --- /dev/null +++ b/scanner/playground/k8s-playground/templates/hpa.yaml @@ -0,0 +1,35 @@ +# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors +# SPDX-License-Identifier: Apache-2.0 + +{{- if .Values.autoscaling.enabled }} +apiVersion: autoscaling/v2 +kind: HorizontalPodAutoscaler +metadata: + name: {{ include "k8s-playground.fullname" . }} + labels: + {{- include "k8s-playground.labels" . | nindent 4 }} +spec: + scaleTargetRef: + apiVersion: apps/v1 + kind: Deployment + name: {{ include "k8s-playground.fullname" . }} + minReplicas: {{ .Values.autoscaling.minReplicas }} + maxReplicas: {{ .Values.autoscaling.maxReplicas }} + metrics: + {{- if .Values.autoscaling.targetCPUUtilizationPercentage }} + - type: Resource + resource: + name: cpu + target: + type: Utilization + averageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }} + {{- end }} + {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }} + - type: Resource + resource: + name: memory + target: + type: Utilization + averageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }} + {{- end }} +{{- end }} diff --git a/scanner/playground/k8s-playground/templates/ingress.yaml b/scanner/playground/k8s-playground/templates/ingress.yaml new file mode 100644 index 0000000..a3e8dfb --- /dev/null +++ b/scanner/playground/k8s-playground/templates/ingress.yaml @@ -0,0 +1,64 @@ +# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors +# SPDX-License-Identifier: Apache-2.0 + +{{- if .Values.ingress.enabled -}} +{{- $fullName := include "k8s-playground.fullname" . -}} +{{- $svcPort := .Values.service.port -}} +{{- if and .Values.ingress.className (not (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion)) }} + {{- if not (hasKey .Values.ingress.annotations "kubernetes.io/ingress.class") }} + {{- $_ := set .Values.ingress.annotations "kubernetes.io/ingress.class" .Values.ingress.className}} + {{- end }} +{{- end }} +{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion -}} +apiVersion: networking.k8s.io/v1 +{{- else if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}} +apiVersion: networking.k8s.io/v1beta1 +{{- else -}} +apiVersion: extensions/v1beta1 +{{- end }} +kind: Ingress +metadata: + name: {{ $fullName }} + labels: + {{- include "k8s-playground.labels" . | nindent 4 }} + {{- with .Values.ingress.annotations }} + annotations: + {{- toYaml . | nindent 4 }} + {{- end }} +spec: + {{- if and .Values.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }} + ingressClassName: {{ .Values.ingress.className }} + {{- end }} + {{- if .Values.ingress.tls }} + tls: + {{- range .Values.ingress.tls }} + - hosts: + {{- range .hosts }} + - {{ . | quote }} + {{- end }} + secretName: {{ .secretName }} + {{- end }} + {{- end }} + rules: + {{- range .Values.ingress.hosts }} + - host: {{ .host | quote }} + http: + paths: + {{- range .paths }} + - path: {{ .path }} + {{- if and .pathType (semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion) }} + pathType: {{ .pathType }} + {{- end }} + backend: + {{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }} + service: + name: {{ $fullName }} + port: + number: {{ $svcPort }} + {{- else }} + serviceName: {{ $fullName }} + servicePort: {{ $svcPort }} + {{- end }} + {{- end }} + {{- end }} +{{- end }} diff --git a/scanner/playground/k8s-playground/templates/namespaces.yaml b/scanner/playground/k8s-playground/templates/namespaces.yaml new file mode 100644 index 0000000..c201b88 --- /dev/null +++ b/scanner/playground/k8s-playground/templates/namespaces.yaml @@ -0,0 +1,10 @@ +# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors +# SPDX-License-Identifier: Apache-2.0 + +{{- range .Values.namespaces }} +--- +apiVersion: v1 +kind: Namespace +metadata: + name: {{ .name }} +{{- end }} \ No newline at end of file diff --git a/scanner/playground/k8s-playground/templates/pods.yaml b/scanner/playground/k8s-playground/templates/pods.yaml new file mode 100644 index 0000000..3db323a --- /dev/null +++ b/scanner/playground/k8s-playground/templates/pods.yaml @@ -0,0 +1,31 @@ +# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors +# SPDX-License-Identifier: Apache-2.0 + +{{- range $namespace, $pods := .Values.pods }} + {{- range $pod := $pods }} +--- +apiVersion: v1 +kind: Pod +metadata: + name: {{ $pod.name }} + namespace: {{ $namespace }} +spec: + containers: + - name: {{ $pod.name }} + image: {{ $pod.image }} + {{- if $pod.env }} + env: + {{- range $key, $value := $pod.env }} + - name: {{ $key }} + value: {{ $value }} + {{- end }} + {{- end }} + {{- if $pod.ports }} + ports: + {{- range $port := $pod.ports }} + - containerPort: {{ $port.containerPort }} + {{- end }} + {{- end }} + {{- end }} + +{{- end }} \ No newline at end of file diff --git a/scanner/playground/k8s-playground/templates/service.yaml b/scanner/playground/k8s-playground/templates/service.yaml new file mode 100644 index 0000000..d7ccf6f --- /dev/null +++ b/scanner/playground/k8s-playground/templates/service.yaml @@ -0,0 +1,18 @@ +# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors +# SPDX-License-Identifier: Apache-2.0 + +apiVersion: v1 +kind: Service +metadata: + name: {{ include "k8s-playground.fullname" . }} + labels: + {{- include "k8s-playground.labels" . | nindent 4 }} +spec: + type: {{ .Values.service.type }} + ports: + - port: {{ .Values.service.port }} + targetPort: http + protocol: TCP + name: http + selector: + {{- include "k8s-playground.selectorLabels" . | nindent 4 }} diff --git a/scanner/playground/k8s-playground/templates/serviceaccount.yaml b/scanner/playground/k8s-playground/templates/serviceaccount.yaml new file mode 100644 index 0000000..fe12f41 --- /dev/null +++ b/scanner/playground/k8s-playground/templates/serviceaccount.yaml @@ -0,0 +1,17 @@ +# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors +# SPDX-License-Identifier: Apache-2.0 + +{{- if .Values.serviceAccount.create -}} +apiVersion: v1 +kind: ServiceAccount +metadata: + name: {{ include "k8s-playground.serviceAccountName" . }} + namespace: {{ .Release.Namespace }} + labels: + {{- include "k8s-playground.labels" . | nindent 4 }} + {{- with .Values.serviceAccount.annotations }} + annotations: + {{- toYaml . | nindent 4 }} + {{- end }} +automountServiceAccountToken: {{ .Values.serviceAccount.automount }} +{{- end }} \ No newline at end of file diff --git a/scanner/playground/k8s-playground/values.yaml b/scanner/playground/k8s-playground/values.yaml new file mode 100644 index 0000000..01220ab --- /dev/null +++ b/scanner/playground/k8s-playground/values.yaml @@ -0,0 +1,168 @@ +# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors +# SPDX-License-Identifier: Apache-2.0 + +# Default values for k8s-playground. +# This is a YAML-formatted file. +# Declare variables to be passed into your templates. + +replicaCount: 1 + +# Define the namespaces and the pods that will be created in each namespace +namespaces: + - name: namespace1 + - name: namespace2 + - name: namespace3 + +pods: + namespace1: + - name: mariadb-pod + # change version to specific vulnerable version for testing + image: mariadb:latest + env: + MYSQL_ROOT_PASSWORD: "password" + - name: nginx-pod + # change version to specific vulnerable version for testing + image: nginx:latest + ports: + - containerPort: 80 + - name: mongodb-pod + # change version to specific vulnerable version for testing + image: mongo:latest + ports: + - containerPort: 27017 + + namespace2: + - name: redis-pod + # change version to specific vulnerable version for testing + image: redis:latest + # change version to specific vulnerable version for testing + - name: nats-pod + image: nats:alpine + env: + MYSQL_ROOT_PASSWORD: "password" + + namespace3: + - name: apache-pod + # change version to specific vulnerable version for testing + image: httpd:latest + ports: + - containerPort: 80 + - name: redis-pod + # change version to specific vulnerable version for testing + image: redis:latest + +serviceAccount: + # Specifies whether a service account should be created + create: true + # Automatically mount a ServiceAccount's API credentials? + automount: true + # Annotations to add to the service account + annotations: {} + # The name of the service account to use. + # If not set and create is true, a name is generated using the fullname template + name: read-only-sa + +rbac: + create: true + clusterRole: + create: true + name: read-only + rules: + - apiGroups: [""] + resources: ["pods"] + verbs: ["get", "list"] + - apiGroups: [""] + resources: ["namespace"] + verbs: ["get", "list"] + +##### BELOW IS AUTOGENERATED BY HELM ##### +image: + repository: nginx + pullPolicy: IfNotPresent + # Overrides the image tag whose default is the chart appVersion. + tag: "" + +imagePullSecrets: [] +nameOverride: "" +fullnameOverride: "" + +podAnnotations: {} +podLabels: {} + +podSecurityContext: {} + # fsGroup: 2000 + +securityContext: {} + # capabilities: + # drop: + # - ALL + # readOnlyRootFilesystem: true + # runAsNonRoot: true + # runAsUser: 1000 + +service: + type: ClusterIP + port: 80 + +ingress: + enabled: false + className: "" + annotations: {} + # kubernetes.io/ingress.class: nginx + # kubernetes.io/tls-acme: "true" + hosts: + - host: chart-example.local + paths: + - path: / + pathType: ImplementationSpecific + tls: [] + # - secretName: chart-example-tls + # hosts: + # - chart-example.local + +resources: {} + # We usually recommend not to specify default resources and to leave this as a conscious + # choice for the user. This also increases chances charts run on environments with little + # resources, such as Minikube. If you do want to specify resources, uncomment the following + # lines, adjust them as necessary, and remove the curly braces after 'resources:'. + # limits: + # cpu: 100m + # memory: 128Mi + # requests: + # cpu: 100m + # memory: 128Mi + +livenessProbe: + httpGet: + path: / + port: http +readinessProbe: + httpGet: + path: / + port: http + +autoscaling: + enabled: false + minReplicas: 1 + maxReplicas: 100 + targetCPUUtilizationPercentage: 80 + # targetMemoryUtilizationPercentage: 80 + +# Additional volumes on the output Deployment definition. +volumes: [] +# - name: foo +# secret: +# secretName: mysecret +# optional: false + +# Additional volumeMounts on the output Deployment definition. +volumeMounts: [] +# - name: foo +# mountPath: "/etc/foo" +# readOnly: true + +nodeSelector: {} + +tolerations: [] + +affinity: {} diff --git a/scanner/playground/main.go b/scanner/playground/main.go new file mode 100644 index 0000000..be6b512 --- /dev/null +++ b/scanner/playground/main.go @@ -0,0 +1,99 @@ +// SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Greenhouse contributors +// SPDX-License-Identifier: Apache-2.0 + +package main + +import ( + "context" + "flag" + "github.com/jedib0t/go-pretty/v6/table" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + "k8s.io/client-go/kubernetes" + _ "k8s.io/client-go/plugin/pkg/client/auth/oidc" // required for OIDC support + "k8s.io/client-go/rest" + "k8s.io/client-go/tools/clientcmd" + "k8s.io/client-go/util/homedir" + "os" + "path" +) + +func localKubeConfig() *rest.Config { + // path to kubeconfig + var kubeconfig *string + if home := homedir.HomeDir(); home != "" { + kubeconfig = flag.String("kubeconfig", path.Join(home, ".kube", "config"), "(optional) absolute path to the kubeconfig file") + } else { + kubeconfig = flag.String("kubeconfig", "", "absolute path to the kubeconfig file") + } + + flag.Parse() + + // load config from kube config + config, err := clientcmd.BuildConfigFromFlags("", *kubeconfig) + if err != nil { + panic(err.Error()) + } + return config +} + +func oidcBasedConfig() *rest.Config { + config, err := clientcmd.NewNonInteractiveDeferredLoadingClientConfig( + //replace path with a kubeconfig that has a valid oidc token for your cluster + &clientcmd.ClientConfigLoadingRules{ExplicitPath: path.Join(homedir.HomeDir(), "Library", "Application Support", "SAPCC", "u8s", ".kube", "config")}, + //replace with the context you want to use + &clientcmd.ConfigOverrides{CurrentContext: "qa-de-1"}, + ).ClientConfig() + + if err != nil { + panic(err.Error()) + } + return config +} + +func localSAConfig() *rest.Config { + + tokenFilePath := "my_token" // path to the token file + token, err := os.ReadFile(tokenFilePath) + if err != nil { + panic(err.Error()) + } + + config := &rest.Config{ + Host: "https://localhost:6443", // The API server's URL + TLSClientConfig: rest.TLSClientConfig{ + Insecure: true, // allow insecure connections ( ok as we are local ) + //CAFile: "/path/to/ca.crt", // Path to the CA certificate + }, + BearerToken: string(token), //the token + } + return config +} + +func main() { + // get config + config := localSAConfig() + + // create k8s client + clientset, err := kubernetes.NewForConfig(config) + if err != nil { + panic(err.Error()) + } + + // List pods from all namespaces + pods, err := clientset.CoreV1().Pods("").List(context.TODO(), metav1.ListOptions{}) + if err != nil { + panic(err.Error()) + } + + t := table.NewWriter() + t.SetOutputMirror(os.Stdout) + t.AppendHeader(table.Row{"Namespace", "Pod Name", "Container Name", "Image", "Container Ready", "Pod Status"}) + t.SetStyle(table.StyleColoredDark) + for _, pod := range pods.Items { + for _, containerS := range pod.Status.ContainerStatuses { + t.AppendRow([]interface{}{pod.Namespace, pod.Name, containerS.Name, containerS.Image, containerS.Ready, pod.Status.Phase}) + } + } + + t.Render() +}