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main.go
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// Homer-App
//
// Homer-App User interface for WEB AI
//
// Schemes: http, https
// Host: localhost:9080
// BasePath: /api/v3
// Version: 1.1.2
// License: AGPL https://www.gnu.org/licenses/agpl-3.0.en.html
// Copyright: QXIP B.V. 2019-2020
// Contact: Aqs <aqsyounas@gmail.com>
// Contact: Alexandr Dubovikov <alexandr.dubovikov@gmail.com>
//
// Consumes:
// - application/json
//
// Produces:
// - application/json
//
// Security:
// - bearer
//
// SecurityDefinitions:
// bearer:
// type: apiKey
// name: Authorization
// in: header
//
// swagger:meta
package main
import (
"flag"
"fmt"
"net/http"
"net/url"
"os"
"strings"
"time"
_ "github.com/influxdata/influxdb1-client" // this is important because of the bug in go mod
client "github.com/influxdata/influxdb1-client/v2"
"github.com/jinzhu/gorm"
_ "github.com/jinzhu/gorm/dialects/postgres"
"github.com/labstack/echo/v4"
"github.com/labstack/echo/v4/middleware"
"github.com/mcuadros/go-defaults"
uuid "github.com/satori/go.uuid"
"github.com/sipcapture/homer-app/auth"
"github.com/sipcapture/homer-app/config"
"github.com/sipcapture/homer-app/data/service"
"github.com/sipcapture/homer-app/migration"
"github.com/sipcapture/homer-app/migration/jsonschema"
"github.com/sipcapture/homer-app/model"
apirouterv1 "github.com/sipcapture/homer-app/router/v1"
"github.com/sipcapture/homer-app/utils/heputils"
"github.com/sipcapture/homer-app/utils/httpauth"
"github.com/sipcapture/homer-app/utils/ldap"
"github.com/sipcapture/homer-app/utils/logger"
"github.com/sirupsen/logrus"
"github.com/spf13/viper"
"gopkg.in/go-playground/validator.v9"
)
//CustomValidator function
type CustomValidator struct {
validator *validator.Validate
}
// validate function
func (cv *CustomValidator) Validate(i interface{}) error {
return cv.validator.Struct(i)
}
var appFlags CommandLineFlags
var ldapClient ldap.LDAPClient
var authType string
var httpAuth httpauth.Client
type arrayFlags []string
func (i *arrayFlags) String() string {
return "my string representation"
}
func (i *arrayFlags) Set(value string) error {
*i = append(*i, value)
return nil
}
//params for Flags
type CommandLineFlags struct {
InitializeDB *bool `json:"initialize_db"`
CreateConfigDB *bool `json:"create_config_db"`
CreateDataDB *bool `json:"create_data_db"`
CreateTableConfigDB *bool `json:"create_table_config"`
UpgradeTableConfigDB *bool `json:"upgrade_table_config"`
PopulateTableConfigDB *bool `json:"populate_table_config"`
CreateHomerUser *bool `json:"create_homer_user"`
DeleteHomerUser *bool `json:"delete_homer_user"`
ShowVersion *bool `json:"version"`
ForcePopulate *bool `json:"force_insert"`
TablesPopulate arrayFlags `json:"force_tables"`
RevokeHomerRole *bool `json:"revoke_homer_role"`
CreateHomerRole *bool `json:"create_homer_role"`
SaveHomerDbConfigToConfig *bool `json:"save_db_config_to_config"`
SaveHomerDbDataToConfig *bool `json:"save_db_data_to_config"`
ShowDbUsers *bool `json:"show_db_users"`
ShowHelpMessage *bool `json:"help"`
DatabaseRootUser *string `json:"root_user"`
DatabaseRootPassword *string `json:"root_password"`
DatabaseHost *string `json:"root_host"`
DatabasePort *int `json:"root_port"`
DatabaseRootDB *string `json:"root_db"`
DatabaseSSLMode *string `json:"sslmode_db"`
DatabaseHomerNode *string `json:"homer_node"`
DatabaseHomerUser *string `json:"homer_user"`
DatabaseHomerPassword *string `json:"homer_password"`
DatabaseHomerConfig *string `json:"db_homer_config"`
DatabaseHomerData *string `json:"db_homer_data"`
PathWebAppConfig *string `json:"path_webapp"`
LogPathWebApp *string `json:"path_log_webapp"`
LogName *string `json:"log_name_webapp"`
APIPrefix *string `json:"api_prefix"`
}
//params for Services
type ServicesObject struct {
configDBSession *gorm.DB
dataDBSession map[string]*gorm.DB
databaseNodeMap []model.DatabasesMap
influxDBSession service.ServiceInfluxDB
servicePrometheus service.ServicePrometheus
serviceLoki service.ServiceLoki
serviceGrafana service.ServiceGrafana
externalDecoder service.ExternalDecoder
}
var servicesObject ServicesObject
/* init flags */
func initFlags() {
appFlags.InitializeDB = flag.Bool("initialize_db", false, "initialize the database and create all tables")
appFlags.CreateConfigDB = flag.Bool("create-config-db", false, "create config db")
appFlags.CreateDataDB = flag.Bool("create-data-db", false, "create data db")
appFlags.CreateTableConfigDB = flag.Bool("create-table-db-config", false, "create table in db config")
appFlags.UpgradeTableConfigDB = flag.Bool("upgrade-table-db-config", false, "upgrade table in db config")
appFlags.PopulateTableConfigDB = flag.Bool("populate-table-db-config", false, "populate table in db config")
appFlags.CreateHomerUser = flag.Bool("create-homer-user", false, "create homer user")
appFlags.DeleteHomerUser = flag.Bool("delete-homer-user", false, "delete homer user")
appFlags.ShowDbUsers = flag.Bool("show-db-users", false, "show db users")
appFlags.ForcePopulate = flag.Bool("force-populate", false, "force populate all records to config")
flag.Var(&appFlags.TablesPopulate, "populate-table", "force to populate only current tables")
appFlags.ShowVersion = flag.Bool("version", false, "show version")
appFlags.CreateHomerRole = flag.Bool("create-homer-role", false, "create homer role")
appFlags.RevokeHomerRole = flag.Bool("revoke-homer-role", false, "revoke homer user")
appFlags.SaveHomerDbConfigToConfig = flag.Bool("save-homer-db-config-settings", false, "save homer db-config to configs")
appFlags.SaveHomerDbDataToConfig = flag.Bool("save-homer-db-data-settings", false, "save homer db-data settings to configs")
appFlags.ShowHelpMessage = flag.Bool("help", false, "show help")
appFlags.DatabaseRootUser = flag.String("database-root-user", "postgres", "database-root-user")
appFlags.DatabaseRootPassword = flag.String("database-root-password", "", "database-root-password")
appFlags.DatabaseHost = flag.String("database-host", "localhost", "database-host")
appFlags.DatabasePort = flag.Int("database-port", 5432, "database-port")
appFlags.DatabaseSSLMode = flag.String("database-ssl-mode", "disable", "database-ssl-mode")
appFlags.DatabaseRootDB = flag.String("database-root-db", "postgres", "database-root-db")
appFlags.DatabaseHomerNode = flag.String("database-homer-node", "localnode", "database-homer-node")
appFlags.DatabaseHomerUser = flag.String("database-homer-user", "homer_user", "database-homer-user")
appFlags.DatabaseHomerPassword = flag.String("database-homer-password", "homer_password", "database-homer-password")
appFlags.DatabaseHomerConfig = flag.String("database-homer-config", "homer_config", "database-homer-config")
appFlags.DatabaseHomerData = flag.String("database-homer-data", "homer_data", "database-homer-data")
appFlags.PathWebAppConfig = flag.String("webapp-config-path", "/usr/local/homer/etc", "the path to the webapp config file")
appFlags.LogName = flag.String("webapp-log-name", "", "the name prefix of the log file.")
appFlags.LogPathWebApp = flag.String("webapp-log-path", "", "the path for the log file.")
appFlags.APIPrefix = flag.String("webapp-api-prefix", "", "API prefix.")
flag.Parse()
}
func main() {
//init flags
initFlags()
/* first check admin flags */
checkHelpVersionFlags()
cfg := new(config.HomerSettingServer)
defaults.SetDefaults(cfg) //<-- This set the defaults values
config.Setting = *cfg
// read system configurations and expose through viper
readConfig()
logPath := viper.GetString("system_settings.logpath")
logName := viper.GetString("system_settings.logname")
logLevel := viper.GetString("system_settings.loglevel")
logStdout := viper.GetBool("system_settings.logstdout")
if *appFlags.LogPathWebApp != "" {
logPath = *appFlags.LogPathWebApp
} else if logPath == "" {
logPath = "log"
}
if *appFlags.LogName != "" {
logName = *appFlags.LogName
} else if logPath == "" {
logName = "webapp.log"
}
// initialize logger
logger.InitLogger(logPath, logName, logLevel, logStdout)
/* first check admin flags */
checkAdminFlags()
/* now check if we do write to config */
if *appFlags.SaveHomerDbConfigToConfig {
applyDBDataParamToConfig(appFlags.DatabaseHomerUser, appFlags.DatabaseHomerPassword, appFlags.DatabaseHomerConfig,
appFlags.DatabaseHost, appFlags.DatabaseHomerNode, appFlags.DatabaseSSLMode)
os.Exit(0)
} else if *appFlags.SaveHomerDbDataToConfig {
applyDBConfigParamToConfig(appFlags.DatabaseHomerUser, appFlags.DatabaseHomerPassword,
appFlags.DatabaseHomerData, appFlags.DatabaseHost, appFlags.DatabaseSSLMode)
os.Exit(0)
}
servicesObject.configDBSession = getConfigDBSession()
defer servicesObject.configDBSession.Close()
if *appFlags.CreateTableConfigDB || *appFlags.UpgradeTableConfigDB {
nameHomerConfig := viper.GetString("database_config.name")
migration.CreateHomerConfigTables(servicesObject.configDBSession, nameHomerConfig, *appFlags.UpgradeTableConfigDB, true)
os.Exit(0)
} else if *appFlags.PopulateTableConfigDB {
nameHomerConfig := viper.GetString("database_config.name")
migration.PopulateHomerConfigTables(servicesObject.configDBSession, nameHomerConfig, *appFlags.ForcePopulate, appFlags.TablesPopulate)
os.Exit(0)
}
// configure new db session
servicesObject.dataDBSession, servicesObject.databaseNodeMap = getDataDBSession()
for val := range servicesObject.dataDBSession {
defer servicesObject.dataDBSession[val].Close()
}
// configure new influx db session
servicesObject.influxDBSession = getInfluxDBSession()
if servicesObject.influxDBSession.Active {
defer servicesObject.influxDBSession.InfluxClient.Close()
}
// configure new influx db session
servicesObject.servicePrometheus = getPrometheusDBSession()
//defer prometheusService.Close()
servicesObject.serviceLoki = getRemoteDBSession()
//defer httpClient.CloseIdleConnections()
servicesObject.serviceGrafana = getGrafanaSession()
/***********************************/
config.Setting.IsolateQuery = viper.GetString("group_settings.isolate_query")
config.Setting.IsolateGroup = viper.GetString("group_settings.isolate_group")
/***********************************/
authType = viper.GetString("auth_settings.type")
/* check the auth type */
if authType == "" {
authType = "internal"
}
/* Check LDAP here */
switch authType {
case "ldap":
logrus.Println("Ldap implementation here")
ldapClient.Base = viper.GetString("ldap_config.base")
ldapClient.Host = viper.GetString("ldap_config.host")
ldapClient.Port = viper.GetInt("ldap_config.port")
ldapClient.UseSSL = viper.GetBool("ldap_config.usessl")
ldapClient.Anonymous = viper.GetBool("ldap_config.anonymous")
ldapClient.UserDN = viper.GetString("ldap_config.userdn")
ldapClient.BindDN = viper.GetString("ldap_config.binddn")
ldapClient.BindPassword = viper.GetString("ldap_config.bindpassword")
ldapClient.UserFilter = viper.GetString("ldap_config.userfilter")
ldapClient.Attributes = viper.GetStringSlice("ldap_config.attributes")
ldapClient.AdminGroup = viper.GetString("ldap_config.admingroup")
ldapClient.AdminMode = viper.GetBool("ldap_config.adminmode")
ldapClient.UserGroup = viper.GetString("ldap_config.usergroup")
ldapClient.UserMode = viper.GetBool("ldap_config.usermode")
ldapClient.GroupFilter = viper.GetString("ldap_config.groupfilter")
if viper.IsSet("ldap_config.UseDNForGroupSearch") {
ldapClient.UseDNForGroupSearch = viper.GetBool("ldap_config.UseDNForGroupSearch")
} else {
ldapClient.UseDNForGroupSearch = false
}
if viper.IsSet("ldap_config.groupattribute") {
ldapClient.GroupAttribute = viper.GetString("ldap_config.groupattribute")
} else {
ldapClient.GroupAttribute = "cn"
}
if viper.IsSet("ldap_config.skiptls") {
ldapClient.SkipTLS = viper.GetBool("ldap_config.skiptls")
} else {
if !ldapClient.UseSSL {
ldapClient.SkipTLS = true
}
}
if viper.IsSet("ldap_config.skipverify") {
ldapClient.InsecureSkipVerify = viper.GetBool("ldap_config.skipverify")
} else {
ldapClient.InsecureSkipVerify = true
}
defer ldapClient.Close()
case "http_auth":
httpAuth.URL = viper.GetString("http_auth.url")
httpAuth.InsecureSkipVerify = viper.GetBool("skipverify")
}
/* apply token expire - default 1200 */
authTokenExpire := viper.GetInt("auth_settings.token_expire")
if authTokenExpire > 0 {
auth.TokenExpiryTime = authTokenExpire
}
if versionPg, err := migration.CheckVersion(servicesObject.configDBSession); err != nil {
heputils.Colorize(heputils.ColorRed, "\r\nVersion of DB couldn't be retrieved\r\n")
} else if (versionPg / 10000) < jsonschema.MinimumPgSQL {
heputils.Colorize(heputils.ColorRed, fmt.Sprintf("\r\nYou don't have required version of PostgreSQL. Please install minimum: %d\r\n", jsonschema.MinimumPgSQL))
} else {
heputils.Colorize(heputils.ColorBlue, fmt.Sprintf("\r\nPostgreSQL version: %d.%d\r\n", versionPg/10000, versionPg%10000))
}
/* force to upgrade */
if nameHomerConfig := viper.GetString("database_config.name"); nameHomerConfig != "" {
migration.CreateHomerConfigTables(servicesObject.configDBSession, nameHomerConfig, true, false)
}
// update version
updateVersionApplication(servicesObject.configDBSession)
// configure to serve WebServices
configureAsHTTPServer()
}
func configureAsHTTPServer() {
e := echo.New()
// add validation
e.Validator = &CustomValidator{validator: validator.New()}
// Middleware
if httpDebugEnable := viper.GetBool("http_settings.debug"); httpDebugEnable {
e.Use(middleware.Logger())
e.Use(middleware.Recover())
e.Use(middleware.BodyDumpWithConfig(middleware.BodyDumpConfig{Skipper: skipper, Handler: bodyDumpHandler}))
}
//CORS
e.Use(middleware.CORSWithConfig(middleware.CORSConfig{
AllowOrigins: []string{"*"},
AllowMethods: []string{echo.GET, echo.PUT, echo.PATCH, echo.POST, echo.DELETE},
}))
/* hide bunner */
e.HideBanner = true
/* static */
rootPath := viper.GetString("http_settings.root")
if rootPath == "" {
rootPath = "/usr/local/homer/dist"
}
/* static */
e.Use(middleware.Static(rootPath))
/* enable guzip*/
if gzipEnable := viper.GetBool("http_settings.gzip"); gzipEnable {
e.Use(middleware.GzipWithConfig(middleware.GzipConfig{
Skipper: func(c echo.Context) bool {
if strings.HasPrefix(c.Request().RequestURI, "/swagger") {
return true
}
return true
},
Level: 5,
}))
}
gzipStaticEnable := true
if viper.IsSet("http_settings.gzip_static") {
gzipStaticEnable = viper.GetBool("http_settings.gzip_static")
}
if gzipStaticEnable {
e.Pre(middleware.RewriteWithConfig(middleware.RewriteConfig{
Skipper: func(c echo.Context) bool {
if strings.HasSuffix(c.Request().RequestURI, ".js") {
if heputils.FileExists(rootPath + c.Request().RequestURI + ".gz") {
c.Response().Header().Set(echo.HeaderContentEncoding, "gzip")
c.Response().Header().Set(echo.HeaderContentType, echo.MIMEApplicationJavaScript)
return false
}
}
return true
},
Rules: map[string]string{
"*.js": "$1.js.gz",
},
}))
}
registerGetRedirect(e, rootPath)
/* decoder */
servicesObject.externalDecoder.Active = false
binShark := viper.GetString("decoder_shark.bin")
if binShark != "" {
servicesObject.externalDecoder.Binary = binShark
servicesObject.externalDecoder.Param = viper.GetString("decoder_shark.param")
servicesObject.externalDecoder.Protocols = viper.GetStringSlice("decoder_shark.protocols")
servicesObject.externalDecoder.UID = uint32(viper.GetInt("decoder_shark.uid"))
servicesObject.externalDecoder.GID = uint32(viper.GetInt("decoder_shark.gid"))
servicesObject.externalDecoder.Active = viper.GetBool("decoder_shark.active")
}
// perform routing for v1 version of web apis
performV1APIRouting(e)
if viper.GetBool("https_settings.enable") {
httpsHost := viper.GetString("https_settings.host")
httpsPort := viper.GetString("https_settings.port")
httpsURL := fmt.Sprintf("%s:%s", httpsHost, httpsPort)
httpsCert := viper.GetString("https_settings.cert")
httpsKey := viper.GetString("https_settings.key")
heputils.Colorize(heputils.ColorRed, heputils.HomerLogo)
heputils.Colorize(heputils.ColorGreen, fmt.Sprintf("Version: %s %s", getName(), getVersion()))
//Doc Swagger for future. For now - external
/* e.GET("/swagger/*", echoSwagger.WrapHandler)
*/
e.Logger.Fatal(e.StartTLS(httpsURL, httpsCert, httpsKey))
} else {
httpHost := viper.GetString("http_settings.host")
httpPort := viper.GetString("http_settings.port")
httpURL := fmt.Sprintf("%s:%s", httpHost, httpPort)
heputils.Colorize(heputils.ColorRed, heputils.HomerLogo)
heputils.Colorize(heputils.ColorGreen, fmt.Sprintf("Version: %s %s", getName(), getVersion()))
//Doc Swagger for future. For now - external
/* e.GET("/swagger/*", echoSwagger.WrapHandler)
*/
e.Logger.Fatal(e.Start(httpURL))
}
}
func performV1APIRouting(e *echo.Echo) {
prefix := *appFlags.APIPrefix
if viper.IsSet("http_settings.api_prefix") {
prefix = viper.GetString("http_settings.api_prefix")
}
// accessible web services will fall in this group
acc := e.Group(prefix + "/api/v3")
switch authType {
case "ldap":
apirouterv1.RouteUserApis(acc, servicesObject.configDBSession, &ldapClient, nil)
case "http_auth":
apirouterv1.RouteUserApis(acc, servicesObject.configDBSession, nil, &httpAuth)
default:
apirouterv1.RouteUserApis(acc, servicesObject.configDBSession, nil, nil)
}
//subscribe access with authKey
apirouterv1.RouteAgentsubAuthKeyApis(acc, servicesObject.configDBSession)
// route hep_reply apis
addr := fmt.Sprintf("%s:%d", viper.Get("hep_relay.host"), viper.GetInt("hep_relay.port"))
apirouterv1.RouteWebSocketApis(acc, addr)
// restricted web services will fall in this group
res := e.Group(prefix + "/api/v3")
// Configure middleware with the custom claims type
config := middleware.JWTConfig{
Claims: &auth.JwtUserClaim{},
SigningKey: []byte(auth.JwtSecret),
}
res.Use(middleware.JWTWithConfig(config))
res.Use(auth.MiddlewareRes)
logrus.Debug(auth.JwtUserClaim{})
/*************** admin access ONLY ***************/
// route mapping apis
apirouterv1.RouteMappingdApis(res, servicesObject.configDBSession)
// route alias apis
apirouterv1.RouteAliasApis(res, servicesObject.configDBSession)
// route advanced apis
apirouterv1.RouteAdvancedApis(res, servicesObject.configDBSession)
// route hepsub apis
apirouterv1.RouteHepsubApis(res, servicesObject.configDBSession)
// route make auth token
apirouterv1.RouteAuthTokenApis(res, servicesObject.configDBSession)
/*************** PARTLY admin access ONLY ***************/
// route user apis
apirouterv1.RouteUserDetailsApis(res, servicesObject.configDBSession)
// route userSettings apis
apirouterv1.RouteUserSettingsApis(res, servicesObject.configDBSession)
// route agent sub apis
apirouterv1.RouteAgentsubApis(res, servicesObject.configDBSession)
// route hep sub search apis
apirouterv1.RouteHepSubSearch(res, servicesObject.configDBSession)
// route search apis
apirouterv1.RouteSearchApis(res, servicesObject.dataDBSession, servicesObject.configDBSession, servicesObject.externalDecoder)
// route dashboards apis
apirouterv1.RouteDashboardApis(res, servicesObject.configDBSession)
// route profile apis
apirouterv1.RouteProfileApis(res, servicesObject.configDBSession, servicesObject.databaseNodeMap)
// route RouteStatisticApis apis
apirouterv1.RouteStatisticApis(res, servicesObject.influxDBSession)
// route RouteStatisticApis apis
apirouterv1.RoutePrometheusApis(res, servicesObject.servicePrometheus)
// route RouteLokiApis apis
apirouterv1.RouteLokiApis(res, servicesObject.serviceLoki)
// route RouteLokiApis apis
apirouterv1.RouteGrafanaApis(res, servicesObject.configDBSession, servicesObject.serviceGrafana)
}
// getSession creates a new mongo session and panics if connection error occurs
func getDataDBSession() (map[string]*gorm.DB, []model.DatabasesMap) {
dataConfig := viper.GetStringMapStringSlice("database_data")
dbMap := make(map[string]*gorm.DB)
var dbNodeMap []model.DatabasesMap
if _, ok := dataConfig["user"]; !ok {
for val := range dataConfig {
keyData := "database_data." + val
user := viper.GetString(keyData + ".user")
password := viper.GetString(keyData + ".pass")
name := viper.GetString(keyData + ".name")
host := viper.GetString(keyData + ".host")
node := viper.GetString(keyData + ".node")
port := viper.GetInt(keyData + ".port")
/* keep alive is on by default */
keepAlive := true
if viper.IsSet(keyData + ".keepalive") {
keepAlive = viper.GetBool(keyData + ".keepalive")
}
sslMode := "disable"
if viper.IsSet(keyData + ".sslmode") {
sslMode = viper.GetString(keyData + ".sslmode")
}
logrus.Println(fmt.Sprintf("Connecting to [%s, %s, %s, %s, %d, ssl: %s]\n", host, user, name, node, port, sslMode))
connectString := fmt.Sprintf("host=%s user=%s dbname=%s sslmode=%s password=%s", host, user, name, sslMode, password)
if port != 0 {
connectString += fmt.Sprintf(" port=%d", port)
}
db, err := gorm.Open("postgres", connectString)
if err != nil {
logrus.Error(fmt.Sprintf("couldn't make connection to [Host: %s, Node: %s, Port: %d]: \n", host, node, port), err)
continue
} else {
db.DB().SetMaxIdleConns(5)
db.DB().SetMaxOpenConns(10)
db.DB().SetConnMaxLifetime(5 * time.Minute)
/* activate logging */
db.SetLogger(&logger.GormLogger{})
dbMap[val] = db
dbNodeMap = append(dbNodeMap, model.DatabasesMap{Name: node, Value: val})
if keepAlive {
go makePingKeepAlive(db, host)
}
}
logrus.Println("----------------------------------- ")
logrus.Println("*** Database Config Session created *** ")
logrus.Println("----------------------------------- ")
}
} else {
//single node
user := viper.GetString("database_data.user")
password := viper.GetString("database_data.pass")
name := viper.GetString("database_data.name")
host := viper.GetString("database_data.host")
port := viper.GetInt("database_data.port")
/* keep alive is on by default */
keepAlive := true
if viper.IsSet("database_data.keepalive") {
keepAlive = viper.GetBool("database_data.keepalive")
}
logrus.Println(fmt.Sprintf("Connecting to the old way: [%s, %s, %s, %d]\n", host, user, name, port))
sslMode := "disable"
if viper.IsSet("database_data.sslmode") {
sslMode = viper.GetString("database_data.sslmode")
}
connectString := fmt.Sprintf("host=%s user=%s dbname=%s sslmode=%s password=%s", host, user, name, sslMode, password)
if port != 0 {
connectString += fmt.Sprintf(" port=%d", port)
}
db, err := gorm.Open("postgres", connectString)
db.DB().SetMaxIdleConns(5)
db.DB().SetMaxOpenConns(10)
db.DB().SetConnMaxLifetime(5 * time.Minute)
/* activate logging */
db.SetLogger(&logger.GormLogger{})
dbMap["localnode"] = db
if err != nil {
logrus.Error(err)
panic("failed to connect database")
}
dbNodeMap = append(dbNodeMap, model.DatabasesMap{Value: "localnode", Name: "LocalNode"})
if keepAlive {
go makePingKeepAlive(db, host)
}
logrus.Println("----------------------------------- ")
logrus.Println("*** Database Data Session created *** ")
logrus.Println("----------------------------------- ")
}
return dbMap, dbNodeMap
}
// getSession creates a new postgres session and panics if connection error occurs
func getConfigDBSession() *gorm.DB {
user := viper.GetString("database_config.user")
password := viper.GetString("database_config.pass")
name := viper.GetString("database_config.name")
host := viper.GetString("database_config.host")
port := viper.GetInt("database_config.port")
/* keep alive is on by default */
keepAlive := true
if viper.IsSet("database_config.keepalive") {
keepAlive = viper.GetBool("database_config.keepalive")
}
sslMode := "disable"
if viper.IsSet("database_config.sslmode") {
sslMode = viper.GetString("database_config.sslmode")
}
connectString := fmt.Sprintf("host=%s user=%s dbname=%s sslmode=%s password=%s", host, user, name, sslMode, password)
if port != 0 {
connectString += fmt.Sprintf(" port=%d", port)
}
logrus.Println(fmt.Sprintf("Connecting to the config: [%s, %s, %s, %d]\n", host, user, name, port))
db, err := gorm.Open("postgres", connectString)
if err != nil {
logrus.Error(err)
panic("failed to connect database")
}
db.DB().SetMaxIdleConns(5)
db.DB().SetMaxOpenConns(10)
db.DB().SetConnMaxLifetime(5 * time.Minute)
db.SetLogger(&logger.GormLogger{})
logrus.Println("----------------------------------- ")
logrus.Println("*** Database Config Session created *** ")
logrus.Println("----------------------------------- ")
if keepAlive {
go makePingKeepAlive(db, host)
}
return db
}
// getSession creates a new mongo session and panics if connection error occurs
func updateVersionApplication(configDBSession *gorm.DB) bool {
var err error
var saveConfig = false
recordApp := model.TableApplications{}
recordApp.VersionApplication = getVersion()
recordApp.NameApplication = getName()
recordApp.HostApplication = viper.GetString("system_settings.hostname")
if recordApp.HostApplication == "" {
recordApp.HostApplication, err = os.Hostname()
if err != nil {
recordApp.HostApplication = "unknown"
}
viper.Set("system_settings.hostname", recordApp.HostApplication)
saveConfig = true
}
recordApp.GUID = viper.GetString("system_settings.uuid")
if recordApp.GUID == "" {
recordApp.GUID = uuid.NewV4().String()
viper.Set("system_settings.uuid", recordApp.GUID)
saveConfig = true
}
if saveConfig {
err := viper.WriteConfig()
if err != nil {
fmt.Println("No configuration file loaded: ", err)
logrus.Errorln("No configuration file loaded - using defaults")
return false
}
}
if err := configDBSession.Debug().Set(
"gorm:insert_option",
fmt.Sprintf("ON CONFLICT (name,host) DO UPDATE SET version = EXCLUDED.version, guid = EXCLUDED.guid"),
).Table("applications").Create(&recordApp).Error; err != nil {
logrus.Error("Error by updating application table", err)
return false
}
return true
}
// getInfluxDBSession creates a new influxdb session and panics if connection error occurs
func getInfluxDBSession() service.ServiceInfluxDB {
user := viper.GetString("influxdb_config.user")
password := viper.GetString("influxdb_config.pass")
host := viper.GetString("influxdb_config.host")
if host == "" {
logrus.Println("InfluxDB functions disabled")
return service.ServiceInfluxDB{Active: false}
}
urlInflux, err := url.Parse(host)
if err != nil {
logrus.Error(err)
panic("failed to parse influx host")
}
conf := client.HTTPConfig{
Addr: urlInflux.String(),
Username: user,
Password: password,
}
influxClient, err := client.NewHTTPClient(conf)
if err != nil {
logrus.Error(err)
panic("failed to connect influx database")
}
serviceInfluxDB := service.ServiceInfluxDB{
InfluxClient: influxClient,
Active: true,
}
logrus.Println("----------------------------------- ")
logrus.Println("*** Influx Database Session created *** ")
logrus.Println("----------------------------------- ")
return serviceInfluxDB
}
// getPrometheusDBSession creates a new influxdb session and panics if connection error occurs
func getPrometheusDBSession() service.ServicePrometheus {
host := viper.GetString("prometheus_config.host")
user := viper.GetString("prometheus_config.user")
password := viper.GetString("prometheus_config.pass")
api := viper.GetString("prometheus_config.api")
if host == "" {
logrus.Println("Prometheus functions disabled")
return service.ServicePrometheus{Active: false}
}
httpClient := &http.Client{
Timeout: time.Second * 10,
}
servicePrometheus := service.ServicePrometheus{
HttpClient: httpClient,
User: user,
Password: password,
Host: host,
Api: api,
Active: true,
}
logrus.Println("------------------------------------ ")
logrus.Println("**** Prometheus Session created **** ")
logrus.Println("------------------------------------ ")
return servicePrometheus
}
// getInfluxDBSession creates a new influxdb session and panics if connection error occurs
func getRemoteDBSession() service.ServiceLoki {
user := viper.GetString("loki_config.user")
password := viper.GetString("loki_config.pass")
host := viper.GetString("loki_config.host")
api := viper.GetString("loki_config.api")
paramQuery := viper.GetString("loki_config.param_query")
if host == "" {
logrus.Println("Loki functions disabled")
return service.ServiceLoki{Active: false}
}
/* if the param_query has been not defined - we use the new schema */
if paramQuery == "" {
paramQuery = "query_range"
}
/* force to new api*/
if api == "" || api == "api/prom" {
api = "loki/api/v1"
}
httpClient := &http.Client{
Timeout: time.Second * 10,
}
ServiceLoki := service.ServiceLoki{
HttpClient: httpClient,
User: user,
Password: password,
Host: host,
Api: api,
ParamQuery: paramQuery,
Active: true,
}
logrus.Println("------------------------------------ ")
logrus.Println("**** Loki Session created **** ")
logrus.Println("------------------------------------ ")
return ServiceLoki
}
// getInfluxDBSession creates a new influxdb session and panics if connection error occurs
func getGrafanaSession() service.ServiceGrafana {
httpClient := &http.Client{
Timeout: time.Second * 10,
}
ServiceGrafana := service.ServiceGrafana{
HttpClient: httpClient,
User: "admin",
Password: "",
Token: "",
Host: "http://127.0.0.1:3000",
Api: "",
Active: true,
}
return ServiceGrafana
}
func readConfig() {
// Getting constant values
if configEnv := os.Getenv("WEBAPPENV"); configEnv != "" {
viper.SetConfigName("webapp_config_" + configEnv)
} else {
viper.SetConfigName("webapp_config")
}
viper.SetConfigType("json")
if configPath := os.Getenv("WEBAPPPATH"); configPath != "" {
viper.AddConfigPath(configPath)
} else {
viper.AddConfigPath(*appFlags.PathWebAppConfig)
}
err := viper.ReadInConfig()
if err != nil {
fmt.Println("No configuration file loaded: ", err)
logrus.Errorln("No configuration file loaded - using defaults")
panic("DB configuration file not found: ")
}
}
func applyDBDataParamToConfig(user *string, password *string, dbname *string, host *string, node *string, sslmode *string) {
createString := fmt.Sprintf("\r\nHOMER - writing data to config [user=%s password=%s, dbname=%s, host=%s, node=%s, sslmode=%s]", *user, *password, *dbname, *host, *node, *sslmode)
heputils.Colorize(heputils.ColorRed, createString)
viper.Set("database_data."+*node+".user", *user)
viper.Set("database_data."+*node+".pass", *password)
viper.Set("database_data."+*node+".name", *dbname)
viper.Set("database_data."+*node+".host", *host)
viper.Set("database_data."+*node+".node", *node)
viper.Set("database_data."+*node+".sslmode", *sslmode)
err := viper.WriteConfig()
if err != nil {
fmt.Println("No configuration file loaded: ", err)
logrus.Errorln("No configuration file loaded - using defaults")
panic("DB configuration file not found: ")
}
}
func applyDBConfigParamToConfig(user *string, password *string, dbname *string, host *string, sslmode *string) {
createString := fmt.Sprintf("\r\nHOMER - writing data to config [user=%s password=%s, dbname=%s, host=%s, sslmode=%s]", *user, *password, *dbname, *host, *sslmode)
heputils.Colorize(heputils.ColorRed, createString)
viper.Set("database_config.user", *user)
viper.Set("database_config.pass", *password)
viper.Set("database_config.name", *dbname)
viper.Set("database_config.host", *host)
viper.Set("database_config.sslmode", *sslmode)
err := viper.WriteConfig()
if err != nil {
fmt.Println("No configuration file loaded: ", err)
logrus.Errorln("No configuration file loaded - using defaults")
panic("DB configuration file not found: ")
}
}
func registerGetRedirect(e *echo.Echo, path string) {
prefix := *appFlags.APIPrefix
if viper.IsSet("http_settings.api_prefix") {
prefix = viper.GetString("http_settings.api_prefix")
}
e.GET(prefix+"/dashboard/:name", func(c echo.Context) (err error) {
return c.File(path + "/index.html")
})
e.GET(prefix+"/call/:name", func(c echo.Context) (err error) {
return c.File(path + "/index.html")
})
e.GET(prefix+"/call/:name/", func(c echo.Context) (err error) {
return c.File(path + "/index.html")
})
e.GET(prefix+"/search/:name", func(c echo.Context) (err error) {
return c.File(path + "/index.html")
})
e.GET(prefix+"/search/:name/", func(c echo.Context) (err error) {
return c.File(path + "/index.html")
})
e.GET(prefix+"/registration/:name", func(c echo.Context) (err error) {
return c.File(path + "/index.html")