update database schema to avoid bool confusion

db/migrations/20240927002029_change_inventory.sql

@@ -0,0 +1,56 @@
+-- +goose Up
+-- +goose StatementBegin
+ALTER TABLE "Inventory" RENAME COLUMN IsTemplate TO IsTemplate_old;
+ALTER TABLE "Inventory" RENAME COLUMN PowerState TO PowerState_old;
+ALTER TABLE "Inventory" RENAME COLUMN SrmPlaceholder TO SrmPlaceholder_old;
+ALTER TABLE "Inventory" ADD COLUMN IsTemplate TEXT NOT NULL DEFAULT "FALSE";
+ALTER TABLE "Inventory" ADD COLUMN PoweredOn TEXT NOT NULL DEFAULT "FALSE";
+ALTER TABLE "Inventory" ADD COLUMN SrmPlaceholder TEXT NOT NULL DEFAULT "FALSE";
+UPDATE Inventory
+SET IsTemplate = CASE 
+    WHEN IsTemplate_old = 1 THEN 'TRUE'
+    ELSE 'FALSE'
+END;
+UPDATE Inventory
+SET PoweredOn = CASE 
+    WHEN PowerState_old = 1 THEN 'TRUE'
+    ELSE 'FALSE'
+END;
+UPDATE Inventory
+SET SrmPlaceholder = CASE 
+    WHEN SrmPlaceholder_old = 1 THEN 'TRUE'
+    ELSE 'FALSE'
+END;
+ALTER TABLE "Inventory" DROP COLUMN IsTemplate_old;
+ALTER TABLE "Inventory" DROP COLUMN PowerState_old;
+
+ALTER TABLE "Inventory" DROP COLUMN SrmPlaceholder_old;
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+ALTER TABLE "Inventory" RENAME COLUMN IsTemplate TO IsTemplate_old;
+ALTER TABLE "Inventory" RENAME COLUMN PoweredOn TO PoweredOn_old;
+ALTER TABLE "Inventory" RENAME COLUMN SrmPlaceholder TO SrmPlaceholder_old;
+ALTER TABLE "Inventory" ADD COLUMN IsTemplate INTEGER;
+ALTER TABLE "Inventory" ADD COLUMN PowerState INTEGER;
+ALTER TABLE "Inventory" ADD COLUMN SrmPlaceholder INTEGER;
+UPDATE Inventory
+SET IsTemplate = CASE 
+    WHEN IsTemplate_old = 'TRUE' THEN 1
+    ELSE 0
+END;
+UPDATE Inventory
+SET PowerState = CASE 
+    WHEN PoweredOn_old = 'TRUE' THEN 1
+    ELSE 0
+END;
+UPDATE Inventory
+SET SrmPlaceholder = CASE 
+    WHEN SrmPlaceholder_old = 'TRUE' THEN 1
+    ELSE 0
+END;
+ALTER TABLE "Inventory" DROP COLUMN IsTemplate_old;
+ALTER TABLE "Inventory" DROP COLUMN PoweredOn_old;
+ALTER TABLE "Inventory" DROP COLUMN SrmPlaceholder_old;
+-- +goose StatementEnd

db/queries/models.go

@@ -43,9 +43,9 @@ type Inventory struct {
 	ProvisionedDisk sql.NullFloat64
 	InitialVcpus    sql.NullInt64
 	InitialRam      sql.NullInt64
-	SrmPlaceholder  sql.NullInt64
+	IsTemplate      interface{}
-	IsTemplate      sql.NullInt64
+	PoweredOn       interface{}
-	PowerState      sql.NullInt64
+	SrmPlaceholder  interface{}
 }
 
 type Updates struct {

db/queries/query.sql

@@ -2,6 +2,10 @@
 SELECT * FROM "Inventory"
 ORDER BY "Name";
 
+-- name: GetReportInventory :many
+SELECT * FROM "Inventory"
+ORDER BY "CreationTime";
+
 -- name: GetInventoryByName :many
 SELECT * FROM "Inventory"
 WHERE "Name" = ?;
@@ -16,7 +20,7 @@ WHERE "CloudId" = ? LIMIT 1;
 
 -- name: CreateInventory :one
 INSERT INTO "Inventory" (
-    "Name", "Vcenter", "VmId", "EventKey", "CloudId", "CreationTime", "ResourcePool", "VmType", "IsTemplate", "Datacenter", "Cluster", "Folder", "ProvisionedDisk", "InitialVcpus", "InitialRam", "SrmPlaceholder", "PowerState"
+    "Name", "Vcenter", "VmId", "EventKey", "CloudId", "CreationTime", "ResourcePool", "VmType", "IsTemplate", "Datacenter", "Cluster", "Folder", "ProvisionedDisk", "InitialVcpus", "InitialRam", "SrmPlaceholder", "PoweredOn"
 ) VALUES(
     ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?
 )

db/queries/query.sql.go

@@ -90,11 +90,11 @@ func (q *Queries) CreateEvent(ctx context.Context, arg CreateEventParams) (Event
 
 const createInventory = `-- name: CreateInventory :one
 INSERT INTO "Inventory" (
-    "Name", "Vcenter", "VmId", "EventKey", "CloudId", "CreationTime", "ResourcePool", "VmType", "IsTemplate", "Datacenter", "Cluster", "Folder", "ProvisionedDisk", "InitialVcpus", "InitialRam", "SrmPlaceholder", "PowerState"
+    "Name", "Vcenter", "VmId", "EventKey", "CloudId", "CreationTime", "ResourcePool", "VmType", "IsTemplate", "Datacenter", "Cluster", "Folder", "ProvisionedDisk", "InitialVcpus", "InitialRam", "SrmPlaceholder", "PoweredOn"
 ) VALUES(
     ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?
 )
-RETURNING Iid, Name, Vcenter, VmId, EventKey, CloudId, CreationTime, DeletionTime, ResourcePool, VmType, Datacenter, Cluster, Folder, ProvisionedDisk, InitialVcpus, InitialRam, SrmPlaceholder, IsTemplate, PowerState
+RETURNING Iid, Name, Vcenter, VmId, EventKey, CloudId, CreationTime, DeletionTime, ResourcePool, VmType, Datacenter, Cluster, Folder, ProvisionedDisk, InitialVcpus, InitialRam, IsTemplate, PoweredOn, SrmPlaceholder
 `
 
 type CreateInventoryParams struct {
@@ -106,15 +106,15 @@ type CreateInventoryParams struct {
 	CreationTime    sql.NullInt64
 	ResourcePool    sql.NullString
 	VmType          sql.NullString
-	IsTemplate      sql.NullInt64
+	IsTemplate      interface{}
 	Datacenter      sql.NullString
 	Cluster         sql.NullString
 	Folder          sql.NullString
 	ProvisionedDisk sql.NullFloat64
 	InitialVcpus    sql.NullInt64
 	InitialRam      sql.NullInt64
-	SrmPlaceholder  sql.NullInt64
+	SrmPlaceholder  interface{}
-	PowerState      sql.NullInt64
+	PoweredOn       interface{}
 }
 
 func (q *Queries) CreateInventory(ctx context.Context, arg CreateInventoryParams) (Inventory, error) {
@@ -135,7 +135,7 @@ func (q *Queries) CreateInventory(ctx context.Context, arg CreateInventoryParams
 		arg.InitialVcpus,
 		arg.InitialRam,
 		arg.SrmPlaceholder,
-		arg.PowerState,
+		arg.PoweredOn,
 	)
 	var i Inventory
 	err := row.Scan(
@@ -155,9 +155,9 @@ func (q *Queries) CreateInventory(ctx context.Context, arg CreateInventoryParams
 		&i.ProvisionedDisk,
 		&i.InitialVcpus,
 		&i.InitialRam,
-		&i.SrmPlaceholder,
 		&i.IsTemplate,
-		&i.PowerState,
+		&i.PoweredOn,
+		&i.SrmPlaceholder,
 	)
 	return i, err
 }
@@ -215,7 +215,7 @@ func (q *Queries) CreateUpdate(ctx context.Context, arg CreateUpdateParams) (Upd
 }
 
 const getInventoryByName = `-- name: GetInventoryByName :many
-SELECT Iid, Name, Vcenter, VmId, EventKey, CloudId, CreationTime, DeletionTime, ResourcePool, VmType, Datacenter, Cluster, Folder, ProvisionedDisk, InitialVcpus, InitialRam, SrmPlaceholder, IsTemplate, PowerState FROM "Inventory"
+SELECT Iid, Name, Vcenter, VmId, EventKey, CloudId, CreationTime, DeletionTime, ResourcePool, VmType, Datacenter, Cluster, Folder, ProvisionedDisk, InitialVcpus, InitialRam, IsTemplate, PoweredOn, SrmPlaceholder FROM "Inventory"
 WHERE "Name" = ?
 `
 
@@ -245,9 +245,9 @@ func (q *Queries) GetInventoryByName(ctx context.Context, name string) ([]Invent
 			&i.ProvisionedDisk,
 			&i.InitialVcpus,
 			&i.InitialRam,
-			&i.SrmPlaceholder,
 			&i.IsTemplate,
-			&i.PowerState,
+			&i.PoweredOn,
+			&i.SrmPlaceholder,
 		); err != nil {
 			return nil, err
 		}
@@ -263,7 +263,7 @@ func (q *Queries) GetInventoryByName(ctx context.Context, name string) ([]Invent
 }
 
 const getInventoryEventId = `-- name: GetInventoryEventId :one
-SELECT Iid, Name, Vcenter, VmId, EventKey, CloudId, CreationTime, DeletionTime, ResourcePool, VmType, Datacenter, Cluster, Folder, ProvisionedDisk, InitialVcpus, InitialRam, SrmPlaceholder, IsTemplate, PowerState FROM "Inventory"
+SELECT Iid, Name, Vcenter, VmId, EventKey, CloudId, CreationTime, DeletionTime, ResourcePool, VmType, Datacenter, Cluster, Folder, ProvisionedDisk, InitialVcpus, InitialRam, IsTemplate, PoweredOn, SrmPlaceholder FROM "Inventory"
 WHERE "CloudId" = ? LIMIT 1
 `
 
@@ -287,15 +287,15 @@ func (q *Queries) GetInventoryEventId(ctx context.Context, cloudid sql.NullStrin
 		&i.ProvisionedDisk,
 		&i.InitialVcpus,
 		&i.InitialRam,
-		&i.SrmPlaceholder,
 		&i.IsTemplate,
-		&i.PowerState,
+		&i.PoweredOn,
+		&i.SrmPlaceholder,
 	)
 	return i, err
 }
 
 const getInventoryVmId = `-- name: GetInventoryVmId :one
-SELECT Iid, Name, Vcenter, VmId, EventKey, CloudId, CreationTime, DeletionTime, ResourcePool, VmType, Datacenter, Cluster, Folder, ProvisionedDisk, InitialVcpus, InitialRam, SrmPlaceholder, IsTemplate, PowerState FROM "Inventory"
+SELECT Iid, Name, Vcenter, VmId, EventKey, CloudId, CreationTime, DeletionTime, ResourcePool, VmType, Datacenter, Cluster, Folder, ProvisionedDisk, InitialVcpus, InitialRam, IsTemplate, PoweredOn, SrmPlaceholder FROM "Inventory"
 WHERE "VmId" = ?1  AND "Datacenter" = ?2
 `
 
@@ -324,17 +324,65 @@ func (q *Queries) GetInventoryVmId(ctx context.Context, arg GetInventoryVmIdPara
 		&i.ProvisionedDisk,
 		&i.InitialVcpus,
 		&i.InitialRam,
-		&i.SrmPlaceholder,
 		&i.IsTemplate,
-		&i.PowerState,
+		&i.PoweredOn,
+		&i.SrmPlaceholder,
 	)
 	return i, err
 }
 
+const getReportInventory = `-- name: GetReportInventory :many
+SELECT Iid, Name, Vcenter, VmId, EventKey, CloudId, CreationTime, DeletionTime, ResourcePool, VmType, Datacenter, Cluster, Folder, ProvisionedDisk, InitialVcpus, InitialRam, IsTemplate, PoweredOn, SrmPlaceholder FROM "Inventory"
+ORDER BY "CreationTime"
+`
+
+func (q *Queries) GetReportInventory(ctx context.Context) ([]Inventory, error) {
+	rows, err := q.db.QueryContext(ctx, getReportInventory)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []Inventory
+	for rows.Next() {
+		var i Inventory
+		if err := rows.Scan(
+			&i.Iid,
+			&i.Name,
+			&i.Vcenter,
+			&i.VmId,
+			&i.EventKey,
+			&i.CloudId,
+			&i.CreationTime,
+			&i.DeletionTime,
+			&i.ResourcePool,
+			&i.VmType,
+			&i.Datacenter,
+			&i.Cluster,
+			&i.Folder,
+			&i.ProvisionedDisk,
+			&i.InitialVcpus,
+			&i.InitialRam,
+			&i.IsTemplate,
+			&i.PoweredOn,
+			&i.SrmPlaceholder,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
 const inventoryCleanup = `-- name: InventoryCleanup :exec
 DELETE FROM "Inventory"
 WHERE "VmId" = ?1 AND "Datacenter" = ?2
-RETURNING Iid, Name, Vcenter, VmId, EventKey, CloudId, CreationTime, DeletionTime, ResourcePool, VmType, Datacenter, Cluster, Folder, ProvisionedDisk, InitialVcpus, InitialRam, SrmPlaceholder, IsTemplate, PowerState
+RETURNING Iid, Name, Vcenter, VmId, EventKey, CloudId, CreationTime, DeletionTime, ResourcePool, VmType, Datacenter, Cluster, Folder, ProvisionedDisk, InitialVcpus, InitialRam, IsTemplate, PoweredOn, SrmPlaceholder
 `
 
 type InventoryCleanupParams struct {
@@ -409,7 +457,7 @@ func (q *Queries) ListEvents(ctx context.Context) ([]Events, error) {
 }
 
 const listInventory = `-- name: ListInventory :many
-SELECT Iid, Name, Vcenter, VmId, EventKey, CloudId, CreationTime, DeletionTime, ResourcePool, VmType, Datacenter, Cluster, Folder, ProvisionedDisk, InitialVcpus, InitialRam, SrmPlaceholder, IsTemplate, PowerState FROM "Inventory"
+SELECT Iid, Name, Vcenter, VmId, EventKey, CloudId, CreationTime, DeletionTime, ResourcePool, VmType, Datacenter, Cluster, Folder, ProvisionedDisk, InitialVcpus, InitialRam, IsTemplate, PoweredOn, SrmPlaceholder FROM "Inventory"
 ORDER BY "Name"
 `
 
@@ -439,9 +487,9 @@ func (q *Queries) ListInventory(ctx context.Context) ([]Inventory, error) {
 			&i.ProvisionedDisk,
 			&i.InitialVcpus,
 			&i.InitialRam,
-			&i.SrmPlaceholder,
 			&i.IsTemplate,
-			&i.PowerState,
+			&i.PoweredOn,
+			&i.SrmPlaceholder,
 		); err != nil {
 			return nil, err
 		}

internal/report/create.go

@@ -20,7 +20,7 @@ func CreateReport(logger *slog.Logger, Database db.Database, ctx context.Context
 	var buffer bytes.Buffer
 
 	logger.Debug("Querying inventory table")
-	results, err := Database.Queries().ListInventory(ctx)
+	results, err := Database.Queries().GetReportInventory(ctx)
 	if err != nil {
 		logger.Error("Unable to query inventory table", "error", err)
 		return nil, err

internal/tasks/processEvents.go

@@ -26,10 +26,10 @@ func (c *CronTask) RunVmCheck(ctx context.Context, logger *slog.Logger) error {
 		numVcpus       int32
 		numRam         int32
 		totalDiskGB    float64
-		srmPlaceholder int
+		srmPlaceholder string
 		foundVm        bool
-		isTemplate     int
+		isTemplate     string
-		poweredOn      int
+		poweredOn      string
 		folderPath     string
 	)
 
@@ -64,11 +64,11 @@ func (c *CronTask) RunVmCheck(ctx context.Context, logger *slog.Logger) error {
 			numRam = 0
 			numVcpus = 0
 			totalDiskGB = 0
-			isTemplate = 0
+			isTemplate = "FALSE"
 			folderPath = ""
 		} else {
 			c.Logger.Debug("found VM")
-			srmPlaceholder = 0 // Default assumption
+			srmPlaceholder = "FALSE" // Default assumption
 			//prettyPrint(vmObject)
 
 			// calculate VM properties we want to store
@@ -79,6 +79,14 @@ func (c *CronTask) RunVmCheck(ctx context.Context, logger *slog.Logger) error {
 				// Calculate the total disk allocated in GB
 				for _, device := range vmObject.Vm.Config.Hardware.Device {
 					if disk, ok := device.(*types.VirtualDisk); ok {
+
+						// Print the filename of the backing device
+						if backing, ok := disk.Backing.(*types.VirtualDiskFlatVer2BackingInfo); ok {
+							c.Logger.Debug("Adding disk", "size_bytes", disk.CapacityInBytes, "backing_file", backing.FileName)
+						} else {
+							c.Logger.Debug("Adding disk, unknown backing type", "size_bytes", disk.CapacityInBytes)
+						}
+
 						totalDiskGB += float64(disk.CapacityInBytes / 1024 / 1024 / 1024) // Convert from bytes to GB
 					}
 				}
@@ -86,13 +94,13 @@ func (c *CronTask) RunVmCheck(ctx context.Context, logger *slog.Logger) error {
 				// Determine if the VM is a normal VM or an SRM placeholder
 				if vmObject.Vm.Config.ManagedBy != nil && vmObject.Vm.Config.ManagedBy.Type == "com.vmware.vcDr" {
 					c.Logger.Debug("VM ManagedBy indicates managed by SRM")
-					srmPlaceholder = 1
+					srmPlaceholder = "TRUE"
 				}
 
 				if vmObject.Vm.Config.Template {
-					isTemplate = 1
+					isTemplate = "TRUE"
 				} else {
-					isTemplate = 0
+					isTemplate = "FALSE"
 				}
 
 				// Retrieve the full folder path of the VM
@@ -109,15 +117,12 @@ func (c *CronTask) RunVmCheck(ctx context.Context, logger *slog.Logger) error {
 				c.Logger.Error("Empty VM config")
 			}
 
-			//if (types.VirtualMachineRuntimeInfo{}) != vmObject.Vm.Runtime {
-			//if runtime, ok := vmObject.Vm.Runtime.(types.VirtualMachineRuntimeInfo); ok {
 			c.Logger.Debug("VM has runtime data", "power_state", vmObject.Vm.Runtime.PowerState)
-			if vmObject.Vm.Runtime.PowerState == "" {
+			if vmObject.Vm.Runtime.PowerState == "poweredOff" {
-				poweredOn = 0
+				poweredOn = "FALSE"
 			} else {
-				poweredOn = 1
+				poweredOn = "TRUE"
 			}
-			//}
 
 		}
 		err = vc.Logout()
@@ -142,9 +147,9 @@ func (c *CronTask) RunVmCheck(ctx context.Context, logger *slog.Logger) error {
 				ProvisionedDisk: sql.NullFloat64{Float64: totalDiskGB, Valid: totalDiskGB > 0},
 				Folder:          sql.NullString{String: folderPath, Valid: folderPath != ""},
 				ResourcePool:    sql.NullString{String: vmObject.ResourcePool, Valid: vmObject.ResourcePool != ""},
-				SrmPlaceholder:  sql.NullInt64{Int64: int64(srmPlaceholder), Valid: true},
+				SrmPlaceholder:  srmPlaceholder,
-				IsTemplate:      sql.NullInt64{Int64: int64(isTemplate), Valid: true},
+				IsTemplate:      isTemplate,
-				PowerState:      sql.NullInt64{Int64: int64(poweredOn), Valid: true},
+				PoweredOn:       poweredOn,
 			}
 
 			c.Logger.Debug("database params", "params", params)

main.go

@@ -25,6 +25,7 @@ var (
 	sha1ver          string // sha1 revision used to build the program
 	buildTime        string // when the executable was built
 	cronFrequency    time.Duration
+	cronInvFrequency time.Duration
 )
 
 func main() {
@@ -125,17 +126,29 @@ func main() {
 		Settings: s,
 	}
 
-	cronFrequencyString := os.Getenv("VCENTER_POLLING_SECONDS")
+	cronFrequencyString := os.Getenv("VCENTER_EVENT_POLLING_SECONDS")
 	if cronFrequencyString != "" {
 		cronFrequency, err = time.ParseDuration(cronFrequencyString)
 		if err != nil {
-			slog.Error("Can't convert VCENTER_POLLING_SECONDS value to time duration. Defaulting to 60s", "value", cronFrequencyString, "error", err)
+			slog.Error("Can't convert VCENTER_EVENT_POLLING_SECONDS value to time duration. Defaulting to 60s", "value", cronFrequencyString, "error", err)
 			cronFrequency = time.Second * 60
 		}
 	} else {
 		cronFrequency = time.Second * 60
 	}
-	logger.Debug("Setting VM polling cronjob frequency to", "frequency", cronFrequency)
+	logger.Debug("Setting VM event polling cronjob frequency to", "frequency", cronFrequency)
+
+	cronInventoryFrequencyString := os.Getenv("VCENTER_INVENTORY_POLLING_SECONDS")
+	if cronInventoryFrequencyString != "" {
+		cronInvFrequency, err = time.ParseDuration(cronInventoryFrequencyString)
+		if err != nil {
+			slog.Error("Can't convert VCENTER_INVENTORY_POLLING_SECONDS value to time duration. Defaulting to 3600s", "value", cronInventoryFrequencyString, "error", err)
+			cronInvFrequency = time.Second * 3600
+		}
+	} else {
+		cronInvFrequency = time.Second * 3600
+	}
+	logger.Debug("Setting VM inventory polling cronjob frequency to", "frequency", cronInvFrequency)
 
 	// start background processing for events stored in events table
 	startsAt := time.Now().Add(time.Second * 10)
@@ -147,24 +160,25 @@ func main() {
 		gocron.WithStartAt(gocron.WithStartDateTime(startsAt)),
 	)
 	if err != nil {
-		logger.Error("failed to start cron jobs", "error", err)
+		logger.Error("failed to start event processing cron job", "error", err)
 		os.Exit(1)
 	}
 	logger.Debug("Created event processing cron job", "job", job.ID())
 
-	startsAt2 := time.Now().Add(time.Second * 10)
+	// start background checks of vcenter inventory
+	startsAt2 := time.Now().Add(time.Second * 300)
 	job2, err := c.NewJob(
-		gocron.DurationJob(cronFrequency),
+		gocron.DurationJob(cronInvFrequency),
 		gocron.NewTask(func() {
 			ct.RunVcenterPoll(ctx, logger)
 		}), gocron.WithSingletonMode(gocron.LimitModeReschedule),
 		gocron.WithStartAt(gocron.WithStartDateTime(startsAt2)),
 	)
 	if err != nil {
-		logger.Error("failed to start cron jobs", "error", err)
+		logger.Error("failed to start vcenter inventory cron job", "error", err)
 		os.Exit(1)
 	}
-	logger.Debug("Created vcenter polling cron job", "job", job2.ID())
+	logger.Debug("Created vcenter inventory cron job", "job", job2.ID())
 
 	// start cron scheduler
 	c.Start()
@@ -176,11 +190,11 @@ func main() {
 		cancel,
 		bindAddress,
 		server.WithRouter(router.New(logger, database, buildTime, sha1ver, runtime.Version())),
+		server.SetTls(bindDisableTls),
+		server.SetCertificate(tlsCertFilename),
+		server.SetPrivateKey(tlsKeyFilename),
 	)
-
+	//logger.Debug("Server configured", "object", svr)
-	svr.DisableTls(bindDisableTls)
-	svr.SetCertificate(tlsCertFilename)
-	svr.SetPrivateKey(tlsKeyFilename)
 
 	svr.StartAndWait()
 

server/server.go

@@ -3,6 +3,7 @@ package server
 import (
 	"context"
 	"crypto/tls"
+	"fmt"
 	"log/slog"
 	"net/http"
 	"os"
@@ -47,16 +48,21 @@ func New(logger *slog.Logger, cron gocron.Scheduler, cancel context.CancelFunc,
 		TLSConfig:    tlsConfig,
 		TLSNextProto: make(map[string]func(*http.Server, *tls.Conn, http.Handler)),
 	}
-	for _, opt := range opts {
-		opt(&Server{srv: srv})
-	}
 
-	return &Server{
+	// Set the initial server values
+	server := &Server{
 		srv:    srv,
 		logger: logger,
 		cron:   cron,
 		cancel: cancel,
 	}
+
+	// Apply any options
+	for _, opt := range opts {
+		opt(server)
+	}
+
+	return server
 }
 
 // Option represents a server option.
@@ -83,19 +89,26 @@ func WithRouter(handler http.Handler) Option {
 	}
 }
 
-// DisableTls sets the disable tls value
+// SetTls sets the disable tls value
-func (s *Server) DisableTls(disableTls bool) {
+func SetTls(disableTls bool) Option {
+	return func(s *Server) {
 		s.disableTls = disableTls
+	}
 }
 
 // SetCertificate sets the path to the certificate used for TLS, in PEM format
-func (s *Server) SetCertificate(tlsCertFilename string) {
+func SetCertificate(tlsCertFilename string) Option {
+	return func(s *Server) {
+		fmt.Printf("Setting tlsCertFilename to '%s'\n", tlsCertFilename)
 		s.tlsCertFilename = tlsCertFilename
+	}
 }
 
 // SetPrivateKey sets the path to the private key used for TLS, in PEM format
-func (s *Server) SetPrivateKey(tlsKeyFilename string) {
+func SetPrivateKey(tlsKeyFilename string) Option {
+	return func(s *Server) {
 		s.tlsKeyFilename = tlsKeyFilename
+	}
 }
 
 // StartAndWait starts the server and waits for a signal to shut down.
@@ -111,12 +124,14 @@ func (s *Server) Start() {
 		if s.disableTls {
 			s.logger.Info("starting server", "port", s.srv.Addr)
 			if err := s.srv.ListenAndServe(); err != nil {
-				s.logger.Warn("failed to start server", "error", err)
+				s.logger.Error("failed to start server", "error", err)
+				os.Exit(1)
 			}
 		} else {
 			s.logger.Info("starting TLS server", "port", s.srv.Addr, "cert", s.tlsCertFilename, "key", s.tlsKeyFilename)
 			if err := s.srv.ListenAndServeTLS(s.tlsCertFilename, s.tlsKeyFilename); err != nil && err != http.ErrServerClosed {
-				s.logger.Warn("failed to start server", "error", err)
+				s.logger.Error("failed to start server", "error", err)
+				os.Exit(1)
 			}
 		}
 	}()