88 lines
3.7 KiB
Text
88 lines
3.7 KiB
Text
<#import "/templates/guide.adoc" as tmpl>
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<#import "/templates/kc.adoc" as kc>
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<@tmpl.guide
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title="Using a vault"
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summary="Learn how to use and configure a vault in {project_name}"
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priority=30
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includedOptions="vault vault-*">
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{project_name} provides two out-of-the-box implementations of the Vault SPI: a plain-text file-based vault and Java KeyStore-based vault.
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The file-based vault implementation is especially useful for Kubernetes/OpenShift secrets. You can mount Kubernetes secrets into the {project_name} Container, and the data fields will be available in the mounted folder with a flat-file structure.
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The Java KeyStore-based vault implementation is useful for storing secrets in bare metal installations. You can use the KeyStore vault, which is encrypted using a password.
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== Available integrations
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Secrets stored in the vaults can be used at the following places of the Administration Console:
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* Obtain the SMTP Mail server Password
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* Obtain the LDAP Bind Credential when using LDAP-based User Federation
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* Obtain the OIDC identity providers Client Secret when integrating external identity providers
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== Enabling a vault
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For enabling the file-based vault you need to build {project_name} first using the following build option:
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<@kc.build parameters="--vault=file"/>
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Analogically, for the Java KeyStore-based you need to specify the following build option:
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<@kc.build parameters="--vault=keystore"/>
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== Configuring the file-based vault
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=== Setting the base directory to lookup secrets
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Kubernetes/OpenShift secrets are basically mounted files. To configure a directory where these files should be mounted, enter this command:
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<@kc.start parameters="--vault-dir=/my/path"/>
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=== Realm-specific secret files
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Kubernetes/OpenShift Secrets are used on a per-realm basis in {project_name}, which requires a naming convention for the file in place:
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[source, bash]
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----
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${r"${vault.<realmname>_<secretname>}"}
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----
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=== Using underscores in the Name
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To process the secret correctly, you double all underscores in the <realmname> or the <secretname>, separated by a single underscore.
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.Example
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* Realm Name: `sso_realm`
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* Desired Name: `ldap_credential`
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* Resulting file Name:
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[source, bash]
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----
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sso__realm_ldap__credential
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----
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Note the doubled underscores between __sso__ and __realm__ and also between __ldap__ and __credential__.
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== Configuring the Java KeyStore-based vault
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In order to use the Java KeyStore-based vault, you need to create a KeyStore file first. You can use the following command for doing so:
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[source, bash]
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----
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keytool -importpass -alias <realm-name>_<alias> -keystore keystore.p12 -storepass keystorepassword
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----
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and then enter a value you want to store in the vault. Note that the format of the `-alias` parameter depends on the key resolver used. The default key resolver is `REALM_UNDERSCORE_KEY`.
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This by default results to storing the value in a form of generic PBEKey (password based encryption) within SecretKeyEntry.
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You can then start {project_name} using the following runtime options:
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<@kc.start parameters=" --vault-file=/path/to/keystore.p12 --vault-pass=<value> --vault-type=<value>"/>
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Note that the `--vault-type` parameter is optional and defaults to `PKCS12`.
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Secrets stored in the vault can then be accessed in a realm via the following placeholder (assuming using the `REALM_UNDERSCORE_KEY` key resolver): `${r"${vault.realm-name_alias}"}`.
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== Example: Use an LDAP bind credential secret in the Admin Console
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.Example setup
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* A realm named `secrettest`
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* A desired Name `ldapBc` for the bind Credential
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* Resulting file name: `secrettest_ldapBc`
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.Usage in Admin Console
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You can then use this secret from the Admin Console by using `${r"${vault.ldapBc}"}` as the value for the `Bind Credential` when configuring your LDAP User federation.
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</@tmpl.guide>
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