mirror of https://github.com/apache/cloudstack.git
7ce54bf7a8
This introduces a new certificate authority framework that allows pluggable CA provider implementations to handle certificate operations around issuance, revocation and propagation. The framework injects itself to `NioServer` to handle agent connections securely. The framework adds assumptions in `NioClient` that a keystore if available with known name `cloud.jks` will be used for SSL negotiations and handshake. This includes a default 'root' CA provider plugin which creates its own self-signed root certificate authority on first run and uses it for issuance and provisioning of certificate to CloudStack agents such as the KVM, CPVM and SSVM agents and also for the management server for peer clustering. Additional changes and notes: - Comma separate list of management server IPs can be set to the 'host' global setting. Newly provisioned agents (KVM/CPVM/SSVM etc) will get radomized comma separated list to which they will attempt connection or reconnection in provided order. This removes need of a TCP LB on port 8250 (default) of the management server(s). - All fresh deployment will enforce two-way SSL authentication where connecting agents will be required to present certificates issued by the 'root' CA plugin. - Existing environment on upgrade will continue to use one-way SSL authentication and connecting agents will not be required to present certificates. - A script `keystore-setup` is responsible for initial keystore setup and CSR generation on the agent/hosts. - A script `keystore-cert-import` is responsible for import provided certificate payload to the java keystore file. - Agent security (keystore, certificates etc) are setup initially using SSH, and later provisioning is handled via an existing agent connection using command-answers. The supported clients and agents are limited to CPVM, SSVM, and KVM agents, and clustered management server (peering). - Certificate revocation does not revoke an existing agent-mgmt server connection, however rejects a revoked certificate used during SSL handshake. - Older `cloudstackmanagement.keystore` is deprecated and will no longer be used by mgmt server(s) for SSL negotiations and handshake. New keystores will be named `cloud.jks`, any additional SSL certificates should not be imported in it for use with tomcat etc. The `cloud.jks` keystore is stricly used for agent-server communications. - Management server keystore are validated and renewed on start up only, the validity of them are same as the CA certificates. New APIs: - listCaProviders: lists all available CA provider plugins - listCaCertificate: lists the CA certificate(s) - issueCertificate: issues X509 client certificate with/without a CSR - provisionCertificate: provisions certificate to a host - revokeCertificate: revokes a client certificate using its serial Global settings for the CA framework: - ca.framework.provider.plugin: The configured CA provider plugin - ca.framework.cert.keysize: The key size for certificate generation - ca.framework.cert.signature.algorithm: The certificate signature algorithm - ca.framework.cert.validity.period: Certificate validity in days - ca.framework.cert.automatic.renewal: Certificate auto-renewal setting - ca.framework.background.task.delay: CA background task delay/interval - ca.framework.cert.expiry.alert.period: Days to check and alert expiring certificates Global settings for the default 'root' CA provider: - ca.plugin.root.private.key: (hidden/encrypted) CA private key - ca.plugin.root.public.key: (hidden/encrypted) CA public key - ca.plugin.root.ca.certificate: (hidden/encrypted) CA certificate - ca.plugin.root.issuer.dn: The CA issue distinguished name - ca.plugin.root.auth.strictness: Are clients required to present certificates - ca.plugin.root.allow.expired.cert: Are clients with expired certificates allowed UI changes: - Button to download/save the CA certificates. Misc changes: - Upgrades bountycastle version and uses newer classes - Refactors SAMLUtil to use new CertUtils Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com> |
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