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nomad.go
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nomad.go
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package nomad
import (
"fmt"
nc "github.com/hashicorp/nomad-openapi/clients/go/v1"
v1 "github.com/hashicorp/nomad-openapi/v1"
)
type Client struct {
nc *v1.Client
}
func NewClient() (*Client, error) {
nc, err := v1.NewClient()
if err != nil {
return nil, err
}
client := &Client{}
client.nc = nc
return client, nil
}
func (client *Client) GetJob(name string) (*nc.Job, error) {
opts := v1.DefaultQueryOpts()
job, _, err := client.nc.Jobs().GetJob(opts.Ctx(), name)
if err != nil {
return nil, err
}
return job, nil
}
func (client *Client) ListJobs() (map[string]*nc.Job, error) {
opts := v1.DefaultQueryOpts()
joblist, _, err := client.nc.Jobs().GetJobs(opts.Ctx())
if err != nil {
return nil, err
}
jobs := make(map[string]*nc.Job)
for _, job := range *joblist {
// fmt.Println(*job.Name)
j, _ := client.GetJob(*job.Name)
jobs[*job.Name] = j
// fmt.Println(j.Meta)
}
return jobs, nil
}
func (client *Client) ParseJob(job string) (*nc.Job, error) {
opts := v1.DefaultQueryOpts()
parsedJob, err := client.nc.Jobs().Parse(opts.Ctx(), job, false, false)
if err != nil {
return nil, err
}
return parsedJob, nil
}
// https://github.com/hashicorp/nomad-openapi/
// https://docs.google.com/presentation/d/1h4OOjPFOHbDJsbtuQZRYDjotyBH1YZs7V8L7qmEjRXc/edit#slide=id.gd36c5fdcb4_1_200
func (client *Client) ApplyJob(job *nc.Job) (string, error) {
opts := v1.DefaultQueryOpts()
// Adding metadata to identify the jobs managed by the Nomoporator
metadata := make(map[string]string)
metadata["nomoporater"] = "true"
metadata["uid"] = "nomoporator"
job.SetMeta(metadata)
// fmt.Printf("JobName: %s \n", job.GetName())
_, _, err := client.nc.Jobs().Plan(opts.Ctx(), job, false)
if err != nil {
return "", fmt.Errorf("error while running nomad plan: %s", err)
}
res, _, err := client.nc.Jobs().Post(opts.Ctx(), job)
if err != nil {
return "", fmt.Errorf("error while running nomad post: %s", err)
}
return *res.EvalID, nil
}
func (client *Client) DeleteJob(job *nc.Job) error {
opts := v1.DefaultQueryOpts()
_, _, err := client.nc.Jobs().Delete(opts.Ctx(), job.GetName(), true, true)
if err != nil {
return err
}
return nil
}