From c941292559b236fb8e7da2b1eddba64ea2f8967f Mon Sep 17 00:00:00 2001 From: Pratik Bandarkar Date: Thu, 28 Mar 2024 14:29:26 +0000 Subject: [PATCH] Use HashiCorp Vault for Ceilometer deployment This commit will consume the secrets from HashiCorp Vault using vault-secretes-operator for the Ceilometer deployment. --- docs/openstack-ceilometer.md | 91 ++++++++++++++++--- .../ceilometer-keystone-admin-password.yaml | 24 +++++ .../ceilometer-keystone-test-password.yaml | 24 +++++ .../vault/ceilometer-rabbitmq-password.yaml | 24 +++++ .../ceilometer/base/vault/kustomization.yaml | 7 ++ .../ceilometer/base/vault/vaultauth.yaml | 14 +++ .../base/vault/vaultconnection.yaml | 18 ++++ 7 files changed, 191 insertions(+), 11 deletions(-) create mode 100644 kustomize/ceilometer/base/vault/ceilometer-keystone-admin-password.yaml create mode 100644 kustomize/ceilometer/base/vault/ceilometer-keystone-test-password.yaml create mode 100644 kustomize/ceilometer/base/vault/ceilometer-rabbitmq-password.yaml create mode 100644 kustomize/ceilometer/base/vault/kustomization.yaml create mode 100644 kustomize/ceilometer/base/vault/vaultauth.yaml create mode 100644 kustomize/ceilometer/base/vault/vaultconnection.yaml diff --git a/docs/openstack-ceilometer.md b/docs/openstack-ceilometer.md index 9d67fb4f..2ee3c7f9 100644 --- a/docs/openstack-ceilometer.md +++ b/docs/openstack-ceilometer.md @@ -1,20 +1,89 @@ # Deploy Ceilometer -## Create Secrets +## Pre-requsites + +- Vault should be installed by following the instructions in [vault documentation](https://docs.rackspacecloud.com/vault/) +- User has access to `osh/ceilometer/` path in the Vault + +## Create secrets in the vault + +### Login to the vault + +``` shell +kubectl exec -it vault-0 -n vault -- \ + vault login -method userpass username=ceilometer +``` + +### List the existing secrets from `osh/ceilometer/`: + +``` shell +kubectl exec --stdin=true --tty=true vault-0 -n vault -- \ + vault kv list osh/ceilometer +``` + +### Create the secrets + +- Ceilometer-keystone-admin-password: + +``` shell +kubectl exec --stdin=true --tty=true vault-0 -n vault -- \ + vault kv put osh/ceilometer/ceilometer-keystone-admin-password password=$(< /dev/urandom tr -dc _A-Za-z0-9 | head -c${1:-32};echo;) +``` + +- Ceilometer-keystone-test-password: + +``` shell +kubectl exec --stdin=true --tty=true vault-0 -n vault -- \ + vault kv put -mount=osh/ceilometer ceilometer-keystone-test-password \ + password=$(< /dev/urandom tr -dc _A-Za-z0-9 | head -c${1:-32};echo;) +``` + +- Ceilometer-rabbitmq-password: + +``` shell +kubectl exec --stdin=true --tty=true vault-0 -n vault -- \ + vault kv put -mount=osh/ceilometer ceilometer-rabbitmq-password \ + password=$(< /dev/urandom tr -dc _A-Za-z0-9 | head -c${1:-32};echo;) +``` + +### Validate the secrets + +``` shell +kubectl exec --stdin=true --tty=true vault-0 -n vault -- \ + vault kv list osh/ceilometer +kubectl exec --stdin=true --tty=true vault-0 -n vault -- \ + vault kv get -mount=osh/ceilometer ceilometer-keystone-admin-password +``` + +## Install Ceilometer + +- Ensure that the `vault-ca-secret` Kubernetes Secret exists in the OpenStack namespace containing the Vault CA certificate: + +```shell +kubectl get secret vault-ca-secret -o yaml -n openstack +``` + +- If it is absent, create one using the following command: + +``` shell +kubectl create secret generic vault-ca-secret \ + --from-literal=ca.crt="$(kubectl get secret vault-tls-secret \ + -o jsonpath='{.data.ca\.crt}' -n vault | base64 -d -)" -n openstack +``` + +- Deploy the necessary Vault resources to create Kubernetes secrets required by the Ceilometer installation: + +``` shell +kubectl apply -k /opt/genestack/kustomize/ceilometer/base/vault/ +``` + +- Validate whether the required Kubernetes secrets from Vault are populated: ``` shell -kubectl --namespace openstack create secret generic ceilometer-keystone-admin-password \ - --type Opaque \ - --from-literal=password="$(< /dev/urandom tr -dc _A-Za-z0-9 | head -c${1:-32};echo;)" -kubectl --namespace openstack create secret generic ceilometer-keystone-test-password \ - --type Opaque \ - --from-literal=password="$(< /dev/urandom tr -dc _A-Za-z0-9 | head -c${1:-32};echo;)" -kubectl --namespace openstack create secret generic ceilometer-rabbitmq-password \ - --type Opaque \ - --from-literal=password="$(< /dev/urandom tr -dc _A-Za-z0-9 | head -c${1:-32};echo;)" +kubectl get secrets -n openstack ``` -## Run the package deployment +### Deploy Ceilometer helm chart ``` shell cd /opt/genestack/submodules/openstack-helm diff --git a/kustomize/ceilometer/base/vault/ceilometer-keystone-admin-password.yaml b/kustomize/ceilometer/base/vault/ceilometer-keystone-admin-password.yaml new file mode 100644 index 00000000..aefd9c4d --- /dev/null +++ b/kustomize/ceilometer/base/vault/ceilometer-keystone-admin-password.yaml @@ -0,0 +1,24 @@ +apiVersion: secrets.hashicorp.com/v1beta1 +kind: VaultStaticSecret +metadata: + name: ceilometer-keystone-admin-password + namespace: openstack +spec: + type: kv-v2 + + # mount path + mount: 'osh/ceilometer' + + # path of the secret + path: ceilometer-keystone-admin-password + + # dest k8s secret + destination: + name: ceilometer-keystone-admin-password + create: true + + # static secret refresh interval + refreshAfter: 30s + + # Name of the CRD to authenticate to Vault + vaultAuthRef: vault-auth diff --git a/kustomize/ceilometer/base/vault/ceilometer-keystone-test-password.yaml b/kustomize/ceilometer/base/vault/ceilometer-keystone-test-password.yaml new file mode 100644 index 00000000..0c74d01e --- /dev/null +++ b/kustomize/ceilometer/base/vault/ceilometer-keystone-test-password.yaml @@ -0,0 +1,24 @@ +apiVersion: secrets.hashicorp.com/v1beta1 +kind: VaultStaticSecret +metadata: + name: ceilometer-keystone-test-password + namespace: openstack +spec: + type: kv-v2 + + # mount path + mount: 'osh/ceilometer' + + # path of the secret + path: ceilometer-keystone-test-password + + # dest k8s secret + destination: + name: ceilometer-keystone-test-password + create: true + + # static secret refresh interval + refreshAfter: 30s + + # Name of the CRD to authenticate to Vault + vaultAuthRef: vault-auth diff --git a/kustomize/ceilometer/base/vault/ceilometer-rabbitmq-password.yaml b/kustomize/ceilometer/base/vault/ceilometer-rabbitmq-password.yaml new file mode 100644 index 00000000..da0bae5a --- /dev/null +++ b/kustomize/ceilometer/base/vault/ceilometer-rabbitmq-password.yaml @@ -0,0 +1,24 @@ +apiVersion: secrets.hashicorp.com/v1beta1 +kind: VaultStaticSecret +metadata: + name: ceilometer-rabbitmq-password + namespace: openstack +spec: + type: kv-v2 + + # mount path + mount: 'osh/ceilometer' + + # path of the secret + path: ceilometer-rabbitmq-password + + # dest k8s secret + destination: + name: ceilometer-rabbitmq-password + create: true + + # static secret refresh interval + refreshAfter: 30s + + # Name of the CRD to authenticate to Vault + vaultAuthRef: vault-auth diff --git a/kustomize/ceilometer/base/vault/kustomization.yaml b/kustomize/ceilometer/base/vault/kustomization.yaml new file mode 100644 index 00000000..6c9be785 --- /dev/null +++ b/kustomize/ceilometer/base/vault/kustomization.yaml @@ -0,0 +1,7 @@ +namespace: openstack +resources: + - vaultauth.yaml + - vaultconnection.yaml + - ceilometer-keystone-admin-password.yaml + - ceilometer-keystone-test-password.yaml + - ceilometer-rabbitmq-password.yaml diff --git a/kustomize/ceilometer/base/vault/vaultauth.yaml b/kustomize/ceilometer/base/vault/vaultauth.yaml new file mode 100644 index 00000000..a4f6a50a --- /dev/null +++ b/kustomize/ceilometer/base/vault/vaultauth.yaml @@ -0,0 +1,14 @@ +apiVersion: secrets.hashicorp.com/v1beta1 +kind: VaultAuth +metadata: + name: vault-auth + namespace: openstack +spec: + method: kubernetes + mount: genestack + kubernetes: + role: osh + serviceAccount: default + audiences: + - vault + vaultConnectionRef: vault-connection diff --git a/kustomize/ceilometer/base/vault/vaultconnection.yaml b/kustomize/ceilometer/base/vault/vaultconnection.yaml new file mode 100644 index 00000000..61e878fd --- /dev/null +++ b/kustomize/ceilometer/base/vault/vaultconnection.yaml @@ -0,0 +1,18 @@ +apiVersion: secrets.hashicorp.com/v1beta1 +kind: VaultConnection +metadata: + namespace: openstack + name: vault-connection +spec: + # required configuration + # address to the Vault server. + address: https://vault.vault.svc.cluster.local:8200 + # optional configuration + # HTTP headers to be included in all Vault requests. + # headers: [] + # TLS server name to use as the SNI host for TLS connections. + # tlsServerName: "" + # skip TLS verification for TLS connections to Vault. + skipTLSVerify: false + # the trusted PEM encoded CA certificate chain stored in a Kubernetes Secret + caCertSecretRef: "vault-ca-secret"