move getAPI request interface body to parameter,

move VMPath and FormatNumber methods to common utils

app/common/types.go

@@ -31,7 +31,6 @@ type RequestType int
 
 type RequestContext struct {
 	Cookies map[string]string
-	Body    map[string]any
 }
 
 type Auth struct {

app/common/utils.go

@@ -10,6 +10,7 @@ import (
 	"io"
 	"io/fs"
 	"log"
+	"math"
 	"net/http"
 	"os"
 	"reflect"
@@ -22,6 +23,12 @@ import (
 var TMPL *template.Template
 var Global Config
 
+type VMPath struct {
+	Node string
+	Type string
+	VMID string
+}
+
 func GetConfig(configPath string) Config {
 	content, err := os.ReadFile(configPath)
 	if err != nil {
@@ -159,7 +166,7 @@ func HandleNonFatalError(c *gin.Context, err error) {
 	c.Status(http.StatusInternalServerError)
 }
 
-func RequestGetAPI(path string, context RequestContext) (*http.Response, int, error) {
+func RequestGetAPI(path string, context RequestContext, body any) (*http.Response, int, error) {
 	req, err := http.NewRequest("GET", Global.API+path, nil)
 	if err != nil {
 		return nil, 0, err
@@ -186,10 +193,19 @@ func RequestGetAPI(path string, context RequestContext) (*http.Response, int, er
 		return nil, response.StatusCode, err
 	}
 
-	err = json.Unmarshal(data, &context.Body)
+	switch body.(type) { // write json to body object depending on type, currently supports map[string]any (ie json) or []any (ie array of json)
+	case *map[string]any:
+		err = json.Unmarshal(data, &body)
 		if err != nil {
 			return nil, response.StatusCode, err
 		}
+	case *[]any:
+		err = json.Unmarshal(data, &body)
+		if err != nil {
+			return nil, response.StatusCode, err
+		}
+	default:
+	}
 
 	return response, response.StatusCode, nil
 }
@@ -205,3 +221,38 @@ func GetAuth(c *gin.Context) (Auth, error) {
 		return Auth{username, token, csrf}, nil
 	}
 }
+
+func ExtractVMPath(c *gin.Context) (VMPath, error) {
+	req_node := c.Query("node")
+	req_type := c.Query("type")
+	req_vmid := c.Query("vmid")
+	if req_node == "" || req_type == "" || req_vmid == "" {
+		return VMPath{}, fmt.Errorf("request missing required values: (node: %s, type: %s, vmid: %s)", req_node, req_type, req_vmid)
+	}
+	vm_path := VMPath{
+		Node: req_node,
+		Type: req_type,
+		VMID: req_vmid,
+	}
+	return vm_path, nil
+}
+
+func FormatNumber(val int64, base int64) (float64, string) {
+	valf := float64(val)
+	basef := float64(base)
+	steps := 0
+	for math.Abs(valf) > basef && steps < 4 {
+		valf /= basef
+		steps++
+	}
+
+	if base == 1000 {
+		prefixes := []string{"", "K", "M", "G", "T"}
+		return valf, prefixes[steps]
+	} else if base == 1024 {
+		prefixes := []string{"", "Ki", "Mi", "Gi", "Ti"}
+		return valf, prefixes[steps]
+	} else {
+		return 0, ""
+	}
+}

app/routes/account.go

@@ -2,7 +2,6 @@ package routes
 
 import (
 	"fmt"
-	"math"
 	"net/http"
 	"proxmoxaas-dashboard/app/common"
 
@@ -108,7 +107,7 @@ func HandleGETAccount(c *gin.Context) {
 		for k, v := range account.Resources {
 			switch t := v.(type) {
 			case NumericResource:
-				avail, prefix := FormatNumber(t.Total.Avail*t.Multiplier, t.Base)
+				avail, prefix := common.FormatNumber(t.Total.Avail*t.Multiplier, t.Base)
 				account.Resources[k] = ResourceChart{
 					Type:     t.Type,
 					Display:  t.Display,
@@ -121,7 +120,7 @@ func HandleGETAccount(c *gin.Context) {
 					ColorHex: InterpolateColorHSV(Green, Red, float64(t.Total.Used)/float64(t.Total.Max)).ToHTML(),
 				}
 			case StorageResource:
-				avail, prefix := FormatNumber(t.Total.Avail*t.Multiplier, t.Base)
+				avail, prefix := common.FormatNumber(t.Total.Avail*t.Multiplier, t.Base)
 				account.Resources[k] = ResourceChart{
 					Type:     t.Type,
 					Display:  t.Display,
@@ -181,45 +180,45 @@ func GetUserAccount(auth common.Auth) (Account, error) {
 			"PVEAuthCookie":       auth.Token,
 			"CSRFPreventionToken": auth.CSRF,
 		},
-		Body: map[string]any{},
 	}
 
 	// get user account basic data
-	res, code, err := common.RequestGetAPI("/user/config/cluster", ctx)
+	body := map[string]any{}
+	res, code, err := common.RequestGetAPI("/user/config/cluster", ctx, &body)
 	if err != nil {
 		return account, err
 	}
 	if code != 200 {
 		return account, fmt.Errorf("request to /user/config/cluster resulted in %+v", res)
 	}
-	err = mapstructure.Decode(ctx.Body, &account)
+	err = mapstructure.Decode(body, &account)
 	if err != nil {
 		return account, err
 	} else {
 		account.Username = auth.Username
 	}
 
-	ctx.Body = map[string]any{}
+	body = map[string]any{}
 	// get user resources
-	res, code, err = common.RequestGetAPI("/user/dynamic/resources", ctx)
+	res, code, err = common.RequestGetAPI("/user/dynamic/resources", ctx, &body)
 	if err != nil {
 		return account, err
 	}
 	if code != 200 {
 		return account, fmt.Errorf("request to /user/dynamic/resources resulted in %+v", res)
 	}
-	resources := ctx.Body
+	resources := body
 
-	ctx.Body = map[string]any{}
+	body = map[string]any{}
 	// get resource meta data
-	res, code, err = common.RequestGetAPI("/global/config/resources", ctx)
+	res, code, err = common.RequestGetAPI("/global/config/resources", ctx, &body)
 	if err != nil {
 		return account, err
 	}
 	if code != 200 {
 		return account, fmt.Errorf("request to /global/config/resources resulted in %+v", res)
 	}
-	meta := ctx.Body["resources"].(map[string]any)
+	meta := body["resources"].(map[string]any)
 
 	// build each resource by its meta type
 	for k, v := range meta {
@@ -259,26 +258,6 @@ func GetUserAccount(auth common.Auth) (Account, error) {
 	return account, nil
 }
 
-func FormatNumber(val int64, base int64) (float64, string) {
-	valf := float64(val)
-	basef := float64(base)
-	steps := 0
-	for math.Abs(valf) > basef && steps < 4 {
-		valf /= basef
-		steps++
-	}
-
-	if base == 1000 {
-		prefixes := []string{"", "K", "M", "G", "T"}
-		return valf, prefixes[steps]
-	} else if base == 1024 {
-		prefixes := []string{"", "Ki", "Mi", "Gi", "Ti"}
-		return valf, prefixes[steps]
-	} else {
-		return 0, ""
-	}
-}
-
 // interpolate between min and max by normalized (0 - 1) val
 func InterpolateColorHSV(min color.RGB, max color.RGB, val float64) color.RGB {
 	minhsl := min.ToHSL()

app/routes/config.go

@@ -13,12 +13,6 @@ import (
 	"github.com/go-viper/mapstructure/v2"
 )
 
-type VMPath struct {
-	Node string
-	Type string
-	VMID string
-}
-
 // imported types from fabric
 
 type InstanceConfig struct {
@@ -56,7 +50,7 @@ type CPUConfig struct {
 func HandleGETConfig(c *gin.Context) {
 	auth, err := common.GetAuth(c)
 	if err == nil {
-		vm_path, err := ExtractVMPath(c)
+		vm_path, err := common.ExtractVMPath(c)
 		if err != nil {
 			common.HandleNonFatalError(c, err)
 		}
@@ -91,7 +85,7 @@ func HandleGETConfig(c *gin.Context) {
 func HandleGETConfigVolumesFragment(c *gin.Context) {
 	auth, err := common.GetAuth(c)
 	if err == nil {
-		vm_path, err := ExtractVMPath(c)
+		vm_path, err := common.ExtractVMPath(c)
 		if err != nil {
 			common.HandleNonFatalError(c, err)
 		}
@@ -114,7 +108,7 @@ func HandleGETConfigVolumesFragment(c *gin.Context) {
 func HandleGETConfigNetsFragment(c *gin.Context) {
 	auth, err := common.GetAuth(c)
 	if err == nil {
-		vm_path, err := ExtractVMPath(c)
+		vm_path, err := common.ExtractVMPath(c)
 		if err != nil {
 			common.HandleNonFatalError(c, err)
 		}
@@ -137,7 +131,7 @@ func HandleGETConfigNetsFragment(c *gin.Context) {
 func HandleGETConfigDevicesFragment(c *gin.Context) {
 	auth, err := common.GetAuth(c)
 	if err == nil {
-		vm_path, err := ExtractVMPath(c)
+		vm_path, err := common.ExtractVMPath(c)
 		if err != nil {
 			common.HandleNonFatalError(c, err)
 		}
@@ -160,7 +154,7 @@ func HandleGETConfigDevicesFragment(c *gin.Context) {
 func HandleGETConfigBootFragment(c *gin.Context) {
 	auth, err := common.GetAuth(c)
 	if err == nil {
-		vm_path, err := ExtractVMPath(c)
+		vm_path, err := common.ExtractVMPath(c)
 		if err != nil {
 			common.HandleNonFatalError(c, err)
 		}
@@ -180,22 +174,7 @@ func HandleGETConfigBootFragment(c *gin.Context) {
 	}
 }
 
-func ExtractVMPath(c *gin.Context) (VMPath, error) {
+func GetInstanceConfig(vm common.VMPath, auth common.Auth) (InstanceConfig, error) {
-	req_node := c.Query("node")
-	req_type := c.Query("type")
-	req_vmid := c.Query("vmid")
-	if req_node == "" || req_type == "" || req_vmid == "" {
-		return VMPath{}, fmt.Errorf("request missing required values: (node: %s, type: %s, vmid: %s)", req_node, req_type, req_vmid)
-	}
-	vm_path := VMPath{
-		Node: req_node,
-		Type: req_type,
-		VMID: req_vmid,
-	}
-	return vm_path, nil
-}
-
-func GetInstanceConfig(vm VMPath, auth common.Auth) (InstanceConfig, error) {
 	config := InstanceConfig{}
 	path := fmt.Sprintf("/cluster/%s/%s/%s", vm.Node, vm.Type, vm.VMID)
 	ctx := common.RequestContext{
@@ -204,9 +183,9 @@ func GetInstanceConfig(vm VMPath, auth common.Auth) (InstanceConfig, error) {
 			"PVEAuthCookie":       auth.Token,
 			"CSRFPreventionToken": auth.CSRF,
 		},
-		Body: map[string]any{},
 	}
-	res, code, err := common.RequestGetAPI(path, ctx)
+	body := map[string]any{}
+	res, code, err := common.RequestGetAPI(path, ctx, &body)
 	if err != nil {
 		return config, err
 	}
@@ -214,7 +193,7 @@ func GetInstanceConfig(vm VMPath, auth common.Auth) (InstanceConfig, error) {
 		return config, fmt.Errorf("request to %s resulted in %+v", path, res)
 	}
 
-	err = mapstructure.Decode(ctx.Body, &config)
+	err = mapstructure.Decode(body, &config)
 	if err != nil {
 		return config, err
 	}
@@ -225,7 +204,7 @@ func GetInstanceConfig(vm VMPath, auth common.Auth) (InstanceConfig, error) {
 	return config, nil
 }
 
-func GetCPUTypes(vm VMPath, auth common.Auth) (common.Select, error) {
+func GetCPUTypes(vm common.VMPath, auth common.Auth) (common.Select, error) {
 	cputypes := common.Select{
 		ID:       "proctype",
 		Required: true,
@@ -238,10 +217,10 @@ func GetCPUTypes(vm VMPath, auth common.Auth) (common.Select, error) {
 			"PVEAuthCookie":       auth.Token,
 			"CSRFPreventionToken": auth.CSRF,
 		},
-		Body: map[string]any{},
 	}
+	body := map[string]any{}
 	path := "/global/config/resources"
-	res, code, err := common.RequestGetAPI(path, ctx)
+	res, code, err := common.RequestGetAPI(path, ctx, &body)
 	if err != nil {
 		return cputypes, err
 	}
@@ -249,15 +228,15 @@ func GetCPUTypes(vm VMPath, auth common.Auth) (common.Select, error) {
 		return cputypes, fmt.Errorf("request to %s resulted in %+v", path, res)
 	}
 	global := GlobalConfig{}
-	err = mapstructure.Decode(ctx.Body["resources"], &global)
+	err = mapstructure.Decode(body["resources"], &global)
 	if err != nil {
 		return cputypes, err
 	}
 
 	// get user resource config
-	ctx.Body = map[string]any{}
+	body = map[string]any{}
 	path = "/user/config/resources"
-	res, code, err = common.RequestGetAPI(path, ctx)
+	res, code, err = common.RequestGetAPI(path, ctx, &body)
 	if err != nil {
 		return cputypes, err
 	}
@@ -265,7 +244,7 @@ func GetCPUTypes(vm VMPath, auth common.Auth) (common.Select, error) {
 		return cputypes, fmt.Errorf("request to %s resulted in %+v", path, res)
 	}
 	user := UserConfigResources{}
-	err = mapstructure.Decode(ctx.Body, &user)
+	err = mapstructure.Decode(body, &user)
 	if err != nil {
 		return cputypes, err
 	}
@@ -287,9 +266,9 @@ func GetCPUTypes(vm VMPath, auth common.Auth) (common.Select, error) {
 		}
 	} else { // cpu is a blacklist
 		// get the supported cpu types from the node
-		ctx.Body = map[string]any{}
+		body = map[string]any{}
 		path = fmt.Sprintf("/proxmox/nodes/%s/capabilities/qemu/cpu", vm.Node)
-		res, code, err = common.RequestGetAPI(path, ctx)
+		res, code, err = common.RequestGetAPI(path, ctx, &body)
 		if err != nil {
 			return cputypes, err
 		}
@@ -299,7 +278,7 @@ func GetCPUTypes(vm VMPath, auth common.Auth) (common.Select, error) {
 		supported := struct {
 			data []CPUConfig
 		}{}
-		err = mapstructure.Decode(ctx.Body, supported)
+		err = mapstructure.Decode(body, supported)
 		if err != nil {
 			return cputypes, err
 		}

app/routes/index.go

@@ -26,6 +26,7 @@ type InstanceCard struct {
 	NodeStatus  string
 	ConfigPath  string
 	ConsolePath string
+	BackupsPath string
 }
 
 // used in retriving cluster tasks
@@ -85,9 +86,9 @@ func GetClusterResources(auth common.Auth) (map[uint]InstanceCard, map[string]No
 			"PVEAuthCookie":       auth.Token,
 			"CSRFPreventionToken": auth.CSRF,
 		},
-		Body: map[string]any{},
 	}
-	res, code, err := common.RequestGetAPI("/proxmox/cluster/resources", ctx)
+	body := map[string]any{}
+	res, code, err := common.RequestGetAPI("/proxmox/cluster/resources", ctx, &body)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -99,7 +100,7 @@ func GetClusterResources(auth common.Auth) (map[uint]InstanceCard, map[string]No
 	nodes := map[string]Node{}
 
 	// if we successfully retrieved the resources, then process it and return index
-	for _, v := range ctx.Body["data"].([]any) {
+	for _, v := range body["data"].([]any) {
 		m := v.(map[string]any)
 		if m["type"] == "node" {
 			node := Node{}
@@ -126,11 +127,12 @@ func GetClusterResources(auth common.Auth) (map[uint]InstanceCard, map[string]No
 		} else if instance.Type == "lxc" {
 			instance.ConsolePath = fmt.Sprintf("%s/?console=lxc&vmid=%d&vmname=%s&node=%s&resize=off&cmd=&xtermjs=1", common.Global.PVE, instance.VMID, instance.Name, instance.Node)
 		}
+		instance.BackupsPath = fmt.Sprintf("backups?node=%s&type=%s&vmid=%d", instance.Node, instance.Type, instance.VMID)
 		instances[vmid] = instance
 	}
 
-	ctx.Body = map[string]any{}
+	body = map[string]any{}
-	res, code, err = common.RequestGetAPI("/proxmox/cluster/tasks", ctx)
+	res, code, err = common.RequestGetAPI("/proxmox/cluster/tasks", ctx, &body)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -141,7 +143,7 @@ func GetClusterResources(auth common.Auth) (map[uint]InstanceCard, map[string]No
 	most_recent_task := map[uint]uint{}
 	expected_state := map[uint]string{}
 
-	for _, v := range ctx.Body["data"].([]any) {
+	for _, v := range body["data"].([]any) {
 		task := Task{}
 		err := mapstructure.Decode(v, &task)
 		if err != nil {
@@ -180,8 +182,8 @@ func GetClusterResources(auth common.Auth) (map[uint]InstanceCard, map[string]No
 			// get /status/current which is updated faster than /cluster/resources
 			instance := instances[vmid]
 			path := fmt.Sprintf("/proxmox/nodes/%s/%s/%d/status/current", instance.Node, instance.Type, instance.VMID)
-			ctx.Body = map[string]any{}
+			body = map[string]any{}
-			res, code, err := common.RequestGetAPI(path, ctx)
+			res, code, err := common.RequestGetAPI(path, ctx, &body)
 			if err != nil {
 				return nil, nil, err
 			}
@@ -190,7 +192,7 @@ func GetClusterResources(auth common.Auth) (map[uint]InstanceCard, map[string]No
 			}
 
 			status := InstanceStatus{}
-			mapstructure.Decode(ctx.Body["data"], &status)
+			mapstructure.Decode(body["data"], &status)
 
 			instance.Status = status.Status
 			instances[vmid] = instance

app/routes/login.go

@@ -26,9 +26,10 @@ func GetLoginRealms() ([]Realm, error) {
 
 	ctx := common.RequestContext{
 		Cookies: nil,
-		Body:    map[string]any{},
+		//Body:    map[string]any{},
 	}
-	res, code, err := common.RequestGetAPI("/proxmox/access/domains", ctx)
+	body := map[string]any{}
+	res, code, err := common.RequestGetAPI("/proxmox/access/domains", ctx, &body)
 	if err != nil {
 		return realms, err
 	}
@@ -36,7 +37,7 @@ func GetLoginRealms() ([]Realm, error) {
 		return realms, fmt.Errorf("request to /proxmox/access/domains resulted in %+v", res)
 	}
 
-	for _, v := range ctx.Body["data"].([]any) {
+	for _, v := range body["data"].([]any) {
 		v = v.(map[string]any)
 		realm := Realm{}
 		err := mapstructure.Decode(v, &realm)