Files
poseidon/nomad/api_querier.go
2021-05-18 12:10:39 +00:00

56 lines
1.7 KiB
Go

package nomad
import (
nomadApi "github.com/hashicorp/nomad/api"
"net/url"
)
// apiQuerier provides access to the Nomad functionality.
type apiQuerier interface {
// init prepares an apiClient to be able to communicate to a provided Nomad API.
init(nomadURL *url.URL, nomadNamespace string) (err error)
// LoadJobList loads the list of jobs from the Nomad API.
LoadJobList() (list []*nomadApi.JobListStub, err error)
// JobScale returns the scale of the passed job.
JobScale(jobId string) (jobScale int, err error)
// SetJobScale sets the scaling count of the passed job to Nomad.
SetJobScale(jobId string, count int, reason string) (err error)
// DeleteRunner deletes the runner with the given Id.
DeleteRunner(runnerId string) (err error)
// loadRunners loads all allocations of the specified job.
loadRunners(jobId string) (allocationListStub []*nomadApi.AllocationListStub, err error)
}
// nomadApiClient implements the nomadApiQuerier interface and provides access to a real Nomad API.
type nomadApiClient struct {
client *nomadApi.Client
}
func (nc *nomadApiClient) init(nomadURL *url.URL, nomadNamespace string) (err error) {
nc.client, err = nomadApi.NewClient(&nomadApi.Config{
Address: nomadURL.String(),
TLSConfig: &nomadApi.TLSConfig{},
Namespace: nomadNamespace,
})
return err
}
func (nc *nomadApiClient) DeleteRunner(runnerId string) (err error) {
allocation, _, err := nc.client.Allocations().Info(runnerId, nil)
if err != nil {
return
}
_, err = nc.client.Allocations().Stop(allocation, nil)
return err
}
func (nc *nomadApiClient) loadRunners(jobId string) (allocationListStub []*nomadApi.AllocationListStub, err error) {
allocationListStub, _, err = nc.client.Jobs().Allocations(jobId, true, nil)
return
}