119 lines
3.4 KiB
Go
119 lines
3.4 KiB
Go
package apps
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import (
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"regexp"
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"strings"
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"time"
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// This is line from GORM documentation that imports database dialect
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_ "github.com/jinzhu/gorm/dialects/sqlite"
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)
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// ValidationError is error that holds multiple validation error messages
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type ValidationError struct {
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// List of validation errors
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// Example: ["phone number is too short", "email address is wrongly formated"]
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Errors []string
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}
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func (v ValidationError) Error() string {
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return strings.Join(v.Errors, "\n")
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}
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// Label holds metadata about the application
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type Label struct {
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// Value of the label
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// Example: userid:1
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// Required: true
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Value string `json:"value"`
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AppID uint `json:"-" gorm:"not null"`
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}
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// AppState contains info about runnint application, it's not saved in the database
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type AppState struct {
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State string `json:"state"`
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CPUUsage float64 `json:"cpu_usage"` // in percents
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MemoryUsage int `json:"memory_usage"` // in MB
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DiskUsageBytes int `json:"disk_usage_bytes"`
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DiskUsageInodes int `json:"disk_usage_inodes"`
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}
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// Apps is list of applications
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type Apps []App
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// App keeps info about hosted application
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type App struct {
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// ID of the applicaton
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// Unique: true
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ID uint `gorm:"primary_key" json:"id"`
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// Datetime of creation
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CreatedAt time.Time `json:"created_at"`
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// Datetime of last update
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UpdatedAt time.Time `json:"updated_at"`
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// Datetime of deletion
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DeletedAt *time.Time `sql:"index" json:"deleted_at"`
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// Name of the application
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// Example: test_1234
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Name string `json:"name" gorm:"unique,index,not_null"`
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// SSH port where the application will be available
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// Unique: true
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// Example: 10001
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SSHPort int `json:"ssh_port"`
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// HTTP port where the application will be available
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// Unique: true
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// Example: 10002
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HTTPPort int `json:"http_port"`
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// Runtime image
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Image string `json:"image"`
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// Number of CPUs ticks assigned, 100 means one CPU, 200 are two
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CPU int `json:"cpu"` // percentage, 200 means two CPU
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// Memory limit in MB
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Memory int `json:"memory"` // Limit in MB
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// Custom labels
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Labels []Label `json:"labels" gorm:"foreignkey:AppID"` // username:cx or user_id:1
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// Current status of the application (underlaying container)
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State string `json:"state"`
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// CPU usage in percents
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CPUUsage float64 `json:"cpu_usage"` // in percents
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// Memory usage in bytes
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MemoryUsage int `json:"memory_usage"` // in B
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// Disk usage in bytes
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DiskUsageBytes int `json:"disk_usage_bytes"`
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// Disk usage in inodes
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DiskUsageInodes int `json:"disk_usage_inodes"`
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}
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// Validate do basic checks of the struct values
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func (a *App) Validate() []string {
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var errors []string
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nameRegExp := regexp.MustCompile(`^[a-z0-9_\-]{3,48}$`)
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if !nameRegExp.MatchString(a.Name) {
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errors = append(errors, "name can contain only characters, numbers and underscores and has to be between 3 and 48 characters")
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}
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if a.SSHPort < 0 && a.SSHPort > 65536 {
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errors = append(errors, "SSH port has to be between 0 and 65536, where 0 means disabled")
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}
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if a.HTTPPort < 1 && a.HTTPPort > 65536 {
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errors = append(errors, "HTTP port has to be between 1 and 65536")
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}
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if a.Image == "" {
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errors = append(errors, "image cannot be empty")
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}
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if a.CPU < 10 && a.CPU > 800 {
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errors = append(errors, "CPU value has be between 10 and 800")
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}
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if a.Memory < 32 && a.Memory > 16384 {
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errors = append(errors, "Memory value has be between 32 and 16384")
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}
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return errors
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}
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