87 lines
2.3 KiB
Go
87 lines
2.3 KiB
Go
package tasks
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import (
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"context"
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"log/slog"
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"time"
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"vctp/db"
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"vctp/internal/vcenter"
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)
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// Handler handles requests.
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type CronTask struct {
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Logger *slog.Logger
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Database db.Database
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}
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// use gocron to check events in the Events table
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func (c *CronTask) RunVmCheck(ctx context.Context, logger *slog.Logger) error {
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var (
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//unixTimestamp int64
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numVcpus int32
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numRam int32
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datacenter string
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)
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logger.Debug("Started Events processing", "time", time.Now())
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// Query events table
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events, err := c.Database.Queries().ListUnprocessedEvents(ctx)
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if err != nil {
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logger.Error("Unable to query for unprocessed events", "error", err)
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return nil // TODO - what to do with this error?
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}
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for _, evt := range events {
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logger.Debug("Checking event", "event", evt)
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// TODO - get a list of unique vcenters, then process each event in batches
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// to avoid doing unnecessary login/logout of vcenter
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c.Logger.Debug("connecting to vcenter")
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vc := vcenter.New(c.Logger)
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vc.Login(evt.Source)
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datacenter = evt.DatacenterName.String
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vmObject, err := vc.FindVMByIDWithDatacenter(evt.VmId.String, evt.DatacenterId.String)
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if err != nil {
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c.Logger.Error("Can't locate vm in vCenter", "vmID", evt.VmId.String, "error", err)
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} else if vmObject == nil {
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c.Logger.Debug("didn't find VM", "vm_id", evt.VmId.String)
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numRam = 0
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numVcpus = 0
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} else {
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c.Logger.Debug("found VM")
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//prettyPrint(vmObject)
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// calculate VM properties we want to store
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if vmObject.Vm.Config != nil {
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numRam = vmObject.Vm.Config.Hardware.MemoryMB
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//numVcpus = vmObject.Vm.Config.Hardware.NumCPU * vmObject.Vm.Config.Hardware.NumCoresPerSocket
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numVcpus = vmObject.Vm.Config.Hardware.NumCPU
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} else {
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c.Logger.Error("Empty VM config")
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}
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}
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err = vc.Logout()
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if err != nil {
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c.Logger.Error("unable to logout of vcenter", "error", err)
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}
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c.Logger.Debug("Simulate adding to Inventory", "vm_name", evt.VmName.String, "vcpus", numVcpus, "ram", numRam, "dc", datacenter)
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// mark this event as processed
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err = c.Database.Queries().UpdateEventsProcessed(ctx, evt.Eid)
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if err != nil {
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c.Logger.Error("Unable to mark this event as processed", "event_id", evt.Eid, "error", err)
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} else {
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c.Logger.Debug("Marked event as processed", "event_id", evt.Eid)
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}
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}
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//fmt.Printf("processing at %s", time.Now())
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return nil
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}
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