Node-side Load Balancing
The complete guide for letting your node handle load balancing requests to the Controller
Be sure to run ankacluster as root
❯ sudo ankacluster join http://anka.controller:8090
Testing connection to the controller...: Ok
Testing connection to the registry...: Ok
Success!
Anka Cloud Cluster join success
You can join a Node to multiple controllers by comma separating them:
sudo ankacluster join http://anka.controller1:8090,http://anka.controller2:8090
❯ ankacluster join --help
Joins the current Node to your Anka Cloud Cluster
Usage:
ankacluster join [controller_address] [flags]
Flags:
-c, --cacert string Specify the path to your Root CA Certificate (PEM/X509)
-M, --capacity-mode string Set the capacity mode (resource or number) the Node will use when pulling jobs from the Anka Cloud Cluster queue. 'resource' will look at available resources (see --vcp-override and --ram-override) / 'number' will only accept if --max-vm-count isn't already met (default "number")
-C, --cert string Specify the path to the Node's certificate file (PEM/X509)
-K, --cert-key string Specify the path to the Node's certificate key file (PEM/X509)
--enable-vm-monitor Enabled unresponsive VM monitoring. This will throw a failure when the VM becomes unresponsive for longer than the --vm-stuck-timeout
-f, --force-no-sudo Force the anka_agent to start without sudo
-g, --global DEPRECATED! Install agent into system domain
-G, --groups string Specify group name (or multiple names sepearated by ',') to add the current Node to
--heartbeat duration Set the duration between status updates the Node sends to the Anka Cloud Cluster (default: 5 seconds)
-h, --help help for join
-H, --host string Set the address (IP or Hostname) of the Node that the Anka Cloud Cluster will use when communicating with CI tools/plugins. This is useful when your CI tool cannot connect to the Node's local IP address (the default value of --host), but does have access to an external IP or hostname for it (proxy, load balancer, etc).
-k, --keystore string Specify the path to your certificate keystore (PEM/PKCS12)
-p, --keystore-pass string Specify the password for your certificate keystore
-m, --max-vm-count int Set the maximum number of VMs this Node is allowed to run (default: 2) (default 2)
-n, --name string Set a custom Node name (default: hostname)
--no-central-logging Disable sending logs to central logging location
-R, --ram-override int Set the the max RAM (in GB) that this Node can handle (default: {total ram} - 2GB)
--reserve-space string Set the space the Node will reserve when it receives a job and pulls the Template/Tag. This is useful if you want to ensure there is always enough space for other application/disk usage. (Format: 1024B, 10KB, 140MB, 45GB, etc)
-r, --root-cert string Identical to --cacert
--skip-tests Disable testing the connection before starting the agent
--skip-tls-verification Skip TLS verification
-t, --tls Enable TLS for communicating with the Anka Cloud Cluster
-V, --vcpu-override int Set the max vcpus that this Node can handle. (default: {current physical cpu count} * 2)
--vm-stuck-delay duration The time between unresponsive VM checks (default: 30s - Duration examples: 3500s, 20m, 5h)
--vm-stuck-timeout duration The time to wait until the VM is considered unresponsive (default: 10s - Duration examples: 3500s, 20m, 5h)
You don't need to disjoin nodes to upgrade the Anka Virtualization package
❯ sudo ankacluster disjoin
Disjoined from the Anka Cloud Cluster
The complete guide for letting your node handle load balancing requests to the Controller
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