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Merge pull request #3007 from akhilmhdh/feat/base64-decode-in-operator

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Base64 decode in operator
This commit is contained in:
Maidul Islam
2025-01-19 13:50:56 -05:00
committed by GitHub
parent 3ba396f7fa b9d06ff686
commit 4a6f759900
4 changed files with 140 additions and 159 deletions
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274
docs/integrations/platforms/kubernetes/infisical-secret-crd.mdx
View File

@@ -5,6 +5,7 @@ description: "Learn how to use the InfisicalSecret CRD to fetch secrets from Inf
---
Once you have installed the operator to your cluster, you'll need to create a `InfisicalSecret` custom resource definition (CRD).
In this CRD, you'll define the authentication method to use, the secrets to fetch, and the target location to store the secrets within your cluster.
```yaml example-infisical-secret-crd.yaml
apiVersion: secrets.infisical.com/v1alpha1
@@ -19,101 +20,28 @@ spec:
hostAPI: https://app.infisical.com/api
resyncInterval: 10
authentication:
# Make sure to only have 1 authentication method defined, serviceToken/universalAuth.
# If you have multiple authentication methods defined, it may cause issues.
# (Deprecated) Service Token Auth
serviceToken:
serviceTokenSecretReference:
secretName: service-token
secretNamespace: default
secretsScope:
envSlug: <env-slug>
secretsPath: <secrets-path>
recursive: true
# Universal Auth
universalAuth:
secretsScope:
projectSlug: new-ob-em
envSlug: dev # "dev", "staging", "prod", etc..
secretsPath: "/" # Root is "/"
recursive: true # Whether or not to use recursive mode (Fetches all secrets in an environment from a given secret path, and all folders inside the path) / defaults to false
credentialsRef:
secretName: universal-auth-credentials
secretNamespace: default
# Native Kubernetes Auth
kubernetesAuth:
identityId: <machine-identity-id>
serviceAccountRef:
name: <service-account-name>
namespace: <service-account-namespace>
# secretsScope is identical to the secrets scope in the universalAuth field in this sample.
secretsScope:
projectSlug: your-project-slug
envSlug: prod
secretsPath: "/path"
recursive: true
# AWS IAM Auth
awsIamAuth:
identityId: <your-machine-identity-id>
# secretsScope is identical to the secrets scope in the universalAuth field in this sample.
secretsScope:
projectSlug: your-project-slug
envSlug: prod
secretsPath: "/path"
recursive: true
# Azure Auth
azureAuth:
identityId: <your-machine-identity-id>
resource: https://management.azure.com/&client_id=CLIENT_ID # (Optional) This is the Azure resource that you want to access. For example, "https://management.azure.com/". If no value is provided, it will default to "https://management.azure.com/"
# secretsScope is identical to the secrets scope in the universalAuth field in this sample.
secretsScope:
projectSlug: your-project-slug
envSlug: prod
secretsPath: "/path"
recursive: true
# GCP ID Token Auth
gcpIdTokenAuth:
identityId: <your-machine-identity-id>
# secretsScope is identical to the secrets scope in the universalAuth field in this sample.
secretsScope:
projectSlug: your-project-slug
envSlug: prod
secretsPath: "/path"
recursive: true
# GCP IAM Auth
gcpIamAuth:
identityId: <your-machine-identity-id>
# secretsScope is identical to the secrets scope in the universalAuth field in this sample.
secretsScope:
projectSlug: your-project-slug
envSlug: prod
secretsPath: "/path"
recursive: true
managedSecretReference:
secretName: managed-secret
secretNamespace: default
creationPolicy: "Orphan" ## Owner | Orphan
# template:
# includeAllSecrets: true
# data:
# CUSTOM_KEY: "{{ .KEY.SecretPath }} {{ .KEY.Value }}"
# secretType: kubernetes.io/dockerconfigjson
creationPolicy: "Orphan"
template:
includeAllSecrets: true
data:
NEW_KEY_NAME: "{{ .KEY.SecretPath }} {{ .KEY.Value }}"
KEY_WITH_BINARY_VALUE: "{{ .KEY.SecretPath }} {{ .KEY.Value }}"
```
### InfisicalSecret CRD properties
## CRD properties
### Generic
The following properties help define what instance of Infisical the operator will interact with, the interval it will sync secrets and any CA certificates that may be required to connect.
<Accordion title="hostAPI">
If you are fetching secrets from a self-hosted instance of Infisical set the value of `hostAPI` to
@@ -165,10 +93,12 @@ When `hostAPI` is not defined the operator fetches secrets from Infisical Cloud.
CA certificate to use for connecting to the Infisical instance with SSL/TLS.
</Accordion>
<Accordion title="authentication">
This block defines the method that will be used to authenticate with Infisical
so that secrets can be fetched
</Accordion>
### Authentication methods
To retrieve the requested secrets, the operator must first authenticate with Infisical.
The list of available authentication methods are shown below.
<Accordion title="authentication"></Accordion>
<Accordion title="authentication.universalAuth">
The universal machine identity authentication method is used to authenticate with Infisical. The client ID and client secret needs to be stored in a Kubernetes secret. This block defines the reference to the name and namespace of secret that stores these credentials.
@@ -605,13 +535,13 @@ spec:
</Accordion>
### Operator managed secrets
The managed secret properties specify where to store the secrets retrieved from your Infisical project.
This includes defining the name and namespace of the Kubernetes secret that will hold these secrets.
The Infisical operator will automatically create the Kubernetes secret in the specified name/namespace and ensure it stays up-to-date.
<Accordion title="managedSecretReference">
The `managedSecretReference` field is used to define the target location for storing secrets retrieved from an Infisical project.
This field requires specifying both the name and namespace of the Kubernetes secret that will hold these secrets.
The Infisical operator will automatically create the Kubernetes secret with the specified name/namespace and keep it continuously updated.
Note: The managed secret be should be created in the same namespace as the deployment that will use it.
</Accordion>
<Accordion title="managedSecretReference.secretName">
The name of the managed Kubernetes secret to be created
@@ -621,57 +551,6 @@ The namespace of the managed Kubernetes secret to be created.
</Accordion>
<Accordion title="managedSecretReference.secretType">
Override the default Opaque type for managed secrets with this field. Useful for creating kubernetes.io/dockerconfigjson secrets.
</Accordion>
<Accordion title="managedSecretReference.template">
Templates enable you to transform data from Infisical before storing it as a Kubernetes Secret.
</Accordion>
<Accordion title="managedSecretReference.template.includeAllSecrets">
When set to true, this option injects all secrets retrieved from Infisical into your configuration.
Secrets defined in the template will override the automatically injected secrets.
</Accordion>
<Accordion title="managedSecretReference.template.data">
Define secret keys and their corresponding templates.
Each data value uses a Golang template with access to all secrets retrieved from the specified scope.
Secrets are structured as follows:
```golang
type TemplateSecret struct {
Value string `json:"value"`
SecretPath string `json:"secretPath"`
}
```
#### Example template configuration:
```golang
managedSecretReference:
secretName: managed-secret
secretNamespace: default
template:
includeAllSecrets: true
data:
NEW_KEY: "{{ .KEY1.SecretPath }} {{ .KEY1.Value }}"
```
When you run the following command:
```bash
kubectl get secret managed-secret -o jsonpath='{.data}'
```
You'll receive Kubernetes secrets output that includes the NEW_KEY:
```bash
{... "KEY":"d29ybGQ=","NEW_KEY":"LyBoZWxsbw=="}
```
When you set `includeAllSecrets` as `false` the Kubernetes secrets outputs will be:
```bash
{"NEW_KEY":"LyBoZWxsbw=="}
```
</Accordion>
<Accordion title="managedSecretReference.creationPolicy">
Creation polices allow you to control whether or not owner references should be added to the managed Kubernetes secret that is generated by the Infisical operator.
@@ -689,7 +568,104 @@ This is useful for tools such as ArgoCD, where every resource requires an owner
</Accordion>
### Apply the InfisicalSecret CRD to your cluster
### Manged secret templating
Fetching secrets from Infisical as is via the operator may not be enough. This is where templating functionality may be helpful.
Using Go templates, you can format, combine, and create new key-value pairs from secrets fetched from Infisical before storing them as Kubernetes Secrets.
<Accordion title="managedSecretReference.template">
</Accordion>
<Accordion title="managedSecretReference.template.includeAllSecrets">
This property controls what secrets are included in your managed secret when using templates.
When set to `true`, all secrets fetched from your Infisical project will be added into your managed Kubernetes secret resource.
**Use this option when you would like to sync all secrets from Infisical to Kubernetes but want to template a subset of them.**
When set to `false`, only secrets defined in the `managedSecretReference.template.data` field of the template will be included in the managed secret.
Use this option when you would like to sync **only** a subset of secrets from Infisical to Kubernetes.
</Accordion>
<Accordion title="managedSecretReference.template.data">
Define secret keys and their corresponding templates.
Each data value uses a Golang template with access to all secrets retrieved from the specified scope.
Secrets are structured as follows:
```golang
type TemplateSecret struct {
Value string `json:"value"`
SecretPath string `json:"secretPath"`
}
```
#### Example template configuration:
```yaml
managedSecretReference:
secretName: managed-secret
secretNamespace: default
template:
includeAllSecrets: true
data:
# Create new secret key that doesn't exist in your Infisical project using values of other secrets
NEW_KEY: "{{ .DB_PASSWORD.Value }}"
# Override an existing secret key in Infisical project with a new value using values of other secrets
API_URL: "https://api.{{.COMPANY_NAME.Value}}.{{.REGION.Value}}.com"
```
For this example, let's assume the following secrets exist in your Infisical project:
```
DB_PASSWORD = "secret123"
COMPANY_NAME = "acme"
REGION = "us-east-1"
API_URL = "old-url" # This will be overridden
```
The resulting managed Kubernetes secret will then contain:
```
# Original secrets (from includeAllSecrets: true)
DB_PASSWORD = "secret123"
COMPANY_NAME = "acme"
REGION = "us-east-1"
# New and overridden templated secrets
NEW_KEY = "secret123" # New secret created from template
API_URL = "https://api.acme.us-east-1.com" # Existing secret overridden by template
```
To help transform your secrets further, the operator provides a set of built-in functions that you can use in your templates.
### Available templating functions
<Accordion title="decodeBase64ToBytes">
**Function name**: decodeBase64ToBytes
**Description**:
Given a base64 encoded string, this function will decodes the base64-encoded string.
This function is useful when your secrets are already stored as base64 encoded value in Infisical.
**Returns**: The decoded base64 string as bytes.
**Example**:
The example below assumes that the `BINARY_KEY_BASE64` secret is stored as a base64 encoded value in Infisical.
The resulting managed secret will contain the decoded value of `BINARY_KEY_BASE64`.
```yaml
managedSecretReference:
secretName: managed-secret
secretNamespace: default
template:
includeAllSecrets: true
data:
BINARY_KEY: "{{ decodeBase64ToBytes .BINARY_KEY_BASE64.Value }}"
```
</Accordion>
</Accordion>
## Applying CRD
Once you have configured the InfisicalSecret CRD with the required fields, you can apply it to your cluster.
After applying, you should notice that the managed secret has been created in the desired namespace your specified.
@@ -698,8 +674,6 @@ After applying, you should notice that the managed secret has been created in th
kubectl apply -f example-infisical-secret-crd.yaml
```
### Verify managed secret creation
To verify that the operator has successfully created the managed secret, you can check the secrets in the namespace that was specified.
```bash
@@ -714,7 +688,7 @@ kubectl get secrets -n <namespace of managed secret>
## Using managed secret in your deployment
Incorporating the managed secret created by the operator into your deployment can be achieved through several methods.
To make use of the managed secret created by the operator into your deployment can be achieved through several methods.
Here, we will highlight three of the most common ways to utilize it. Learn more about Kubernetes secrets [here](https://kubernetes.io/docs/concepts/configuration/secret/)
<Accordion title="envFrom">
@@ -960,4 +934,4 @@ metadata:
type: Opaque
```
</Accordion>
</Accordion>

4
helm-charts/secrets-operator/Chart.yaml
View File

@@ -13,9 +13,9 @@ 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: v0.8.2
version: v0.8.3
# 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: "v0.8.2"
appVersion: "v0.8.3"

1
k8-operator/config/samples/sample-with-template.yml → k8-operator/config/samples/crd/infisicalsecret/infisical-secret-crd-with-template.yml
View File

@@ -104,6 +104,7 @@ spec:
includeAllSecrets: true
data:
SSH_KEY: "{{ .KEY.SecretPath }} {{ .KEY.Value }}"
BINARY_KEY: "{{ toBase64DecodedString .BINARY_KEY_BASE64.Value }}"
creationPolicy: "Orphan" ## Owner | Orphan
# secretType: kubernetes.io/dockerconfigjson

20
k8-operator/controllers/infisicalsecret/infisicalsecret_helper.go
View File

@@ -3,6 +3,7 @@ package controllers
import (
"bytes"
"context"
"encoding/base64"
"errors"
"fmt"
"strings"
@@ -154,6 +155,16 @@ func (r *InfisicalSecretReconciler) getInfisicalServiceAccountCredentialsFromKub
return model.ServiceAccountDetails{AccessKey: string(accessKeyFromSecret), PrivateKey: string(privateKeyFromSecret), PublicKey: string(publicKeyFromSecret)}, nil
}
var infisicalSecretTemplateFunctions = template.FuncMap{
"decodeBase64ToBytes": func(encodedString string) []byte {
decoded, err := base64.StdEncoding.DecodeString(encodedString)
if err != nil {
panic(fmt.Sprintf("Error: %v", err))
}
return decoded
},
}
func (r *InfisicalSecretReconciler) createInfisicalManagedKubeSecret(ctx context.Context, logger logr.Logger, infisicalSecret v1alpha1.InfisicalSecret, secretsFromAPI []model.SingleEnvironmentVariable, ETag string) error {
plainProcessedSecrets := make(map[string][]byte)
secretType := infisicalSecret.Spec.ManagedSecretReference.SecretType
@@ -175,7 +186,7 @@ func (r *InfisicalSecretReconciler) createInfisicalManagedKubeSecret(ctx context
}
for templateKey, userTemplate := range managedTemplateData.Data {
tmpl, err := template.New("secret-templates").Parse(userTemplate)
tmpl, err := template.New("secret-templates").Funcs(infisicalSecretTemplateFunctions).Parse(userTemplate)
if err != nil {
return fmt.Errorf("unable to compile template: %s [err=%v]", templateKey, err)
}
@@ -261,7 +272,7 @@ func (r *InfisicalSecretReconciler) updateInfisicalManagedKubeSecret(ctx context
}
for templateKey, userTemplate := range managedTemplateData.Data {
tmpl, err := template.New("secret-templates").Parse(userTemplate)
tmpl, err := template.New("secret-templates").Funcs(infisicalSecretTemplateFunctions).Parse(userTemplate)
if err != nil {
return fmt.Errorf("unable to compile template: %s [err=%v]", templateKey, err)
}
@@ -412,11 +423,6 @@ func (r *InfisicalSecretReconciler) ReconcileInfisicalSecret(ctx context.Context
return errors.New("no authentication method provided yet. Please configure a authentication method then try again")
}
if !updateDetails.Modified {
logger.Info("ReconcileInfisicalSecret: No secrets modified so reconcile not needed")
return nil
}
if managedKubeSecret == nil {
return r.createInfisicalManagedKubeSecret(ctx, logger, infisicalSecret, plainTextSecretsFromApi, updateDetails.ETag)
} else {