/
systemCheck.go
429 lines (352 loc) · 13.1 KB
/
systemCheck.go
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package cmd
import (
"fmt"
"github.com/Jeffail/gabs/v2"
"github.com/level27/l27-go"
"github.com/level27/lvl/utils"
"github.com/spf13/cobra"
)
func init() {
//------------------------------------- SYSTEMS/CHECKS PARAMETERS (get parameters) --------------------------------------
// #region GET CHECK PARAMETERS
// ---- GET PARAMETERS (for specific checktype)
systemCheckCmd.AddCommand(systemChecktypeParametersGetCmd)
// flags needed to get checktype parameters
systemChecktypeParametersGetCmd.Flags().StringVarP(&systemCheckCreateType, "type", "t", "", "Check type to see all its available parameters")
// #endregion
//------------------------------------- SYSTEMS/CHECKS TOPLEVEL (get / post) --------------------------------------
// #region SYSTEMS/CHECKS TOPLEVEL
systemCmd.AddCommand(systemCheckCmd)
// ---- GET LIST OF ALL CHECKS
systemCheckCmd.AddCommand(systemCheckGetCmd)
addCommonGetFlags(systemCheckGetCmd)
// ---- CREATE NEW CHECK
systemCheckCmd.AddCommand(systemCheckAddCmd)
// -- flags needed to create a check
flags := systemCheckAddCmd.Flags()
flags.StringVarP(&systemCheckCreateType, "type", "t", "", "Check type (non-editable)")
systemCheckAddCmd.MarkFlagRequired("type")
// -- optional flag
flags.StringArrayVarP(&systemDynamicParams, "parameters", "p", systemDynamicParams, "Add custom parameters for a check. usage -> SINGLE PAR: [ -p waf=true ], MULTIPLE PAR: [ -p waf=true -p timeout=200 ], MULTIPLE VALUES: [ -p versions=''7, 5.4'']")
// #endregion
//------------------------------------- SYSTEMS/CHECKS ACTIONS (get/ delete/ update) --------------------------------------
// #region SYSTEMS/CHECKS ACTIONS
// --- DESCRIBE CHECK
systemCheckCmd.AddCommand(systemCheckGetSingleCmd)
// --- DELETE CHECK
systemCheckCmd.AddCommand(systemCheckDeleteCmd)
addDeleteConfirmFlag(systemCheckDeleteCmd)
// --- UPDATE CHECK (ONLY FOR HTTP REQUEST)
systemCheckCmd.AddCommand(systemCheckUpdateCmd)
// flag needed to update a specific check
systemCheckUpdateCmd.Flags().StringArrayVarP(&systemDynamicParams, "parameters", "p", systemDynamicParams, "Add custom parameters for a check. Usage -> SINGLE PAR: [ -p waf=true ], MULTIPLE PAR: [ -p waf=true -p timeout=200 ], MULTIPLE VALUES: [ -p versions=''7, 5.4'']")
systemCheckUpdateCmd.Flags().StringArrayVarP(&systemCheckUnsetParams, "unset", "u", systemCheckUnsetParams, "Unset an existing parameter on a check, restoring it to its default value")
// #endregion
// ------------------------------------ MONITORING ON SPECIFIC SYSTEM ----------------------------------------------
// ---- MONITORING COMMAND
systemCmd.AddCommand(systemMonitoringCmd)
// ---- MONITORING ON
systemMonitoringCmd.AddCommand(systemMonitoringOnCmd)
// ---- MONITORING OFF
systemMonitoringCmd.AddCommand(systemMonitoringOffCmd)
}
func resolveSystemCheck(systemID l27.IntID, arg string) (l27.IntID, error) {
id, err := l27.ParseID(arg)
if err == nil {
return id, nil
}
options, err := Level27Client.SystemCheckLookup(systemID, arg)
if err != nil {
return 0, err
}
res, err := resolveShared(
options,
arg,
"system check",
func(app l27.SystemCheckGet) string { return fmt.Sprintf("%d", app.ID) })
if err != nil {
return 0, err
}
return res.ID, err
}
//------------------------------------------------- SYSTEM/CHECKS TOPLEVEL (GET / CREATE) ----------------------------------
// ---------------- MAIN COMMAND (checks)
var systemCheckCmd = &cobra.Command{
Use: "checks",
Short: "Manage systems checks",
}
// #region SYSTEM/CHECKS (GET / CREATE)
// ---------------- GET
var systemCheckGetCmd = &cobra.Command{
Use: "get [system ID]",
Short: "Get a list of all checks from a system",
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
// check for valid system ID
id, err := resolveSystem(args[0])
if err != nil {
return err
}
system, err := Level27Client.SystemGetSingle(id)
if err != nil {
return err
}
// when monitoring is disabled on system -> checks dont need to be visible
if system.MonitoringEnabled {
return fmt.Errorf("monitoring is currently disabled for system: [NAME:%v - ID: %v]. Use the 'monitoring' command to change monitoring status", system.Name, system.ID)
}
checks, err := Level27Client.SystemCheckGetList(id, optGetParameters)
if err != nil {
return err
}
// Creating readable output
outputFormatTableFuncs(checks, []string{"ID", "CHECKTYPE", "STATUS", "LAST_STATUS_CHANGE", "INFORMATION"},
[]interface{}{"ID", "CheckType", "Status", func(s l27.SystemCheckGet) string { return utils.FormatUnixTime(s.DtLastStatusChanged) }, "StatusInformation"})
return nil
},
}
// ---------------- CREATE CHECK
var systemCheckCreateType string
var systemCheckAddCmd = &cobra.Command{
Use: "add [system ID] [parameters]",
Short: "add a new check to a specific system",
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
// check for valid system ID
id, err := resolveSystem(args[0])
if err != nil {
return err
}
// get the value of the flag type set by user
checkTypeInput := cmd.Flag("type").Value.String()
//get all data from the chosen checktype returned as Systemchecktype struct
checktypeResult, err := Level27Client.SystemCheckTypeGet(checkTypeInput)
if err != nil {
return err
}
possibleParameters := checktypeResult.ServiceType.Parameters
// create base of json container, will be used for post request and eventually filled with custom parameters
jsonObjCheckPost := gabs.New()
jsonObjCheckPost.Set(checkTypeInput, "checktype")
// if user wants to use custom parameters
if cmd.Flag("parameters").Changed {
// check if given parameters and usage of -p flag is correct
customParameterDict, err := SplitCustomParameters(systemDynamicParams)
if err != nil {
return err
}
// loop over all given custom parameters by user
for customParameterName, customParameterValue := range customParameterDict {
var isCustomParameterValid bool = false
// loop over all possible parameters we got back form the API
for i := range possibleParameters {
possibleParName := possibleParameters[i].Name
//when match found between custom paramater and possible parameter
if possibleParName == customParameterName {
isCustomParameterValid = true
jsonObjCheckPost.Set(customParameterValue, customParameterName)
}
}
if !isCustomParameterValid {
return fmt.Errorf("given parameter name is not valid: '%v'", customParameterName)
}
}
}
check, err := Level27Client.SystemCheckAdd(id, jsonObjCheckPost)
if err != nil {
return err
}
outputFormatTemplate(check, "templates/entities/systemCheck/add.tmpl")
return nil
},
}
// #endregion
//------------------------------------------------- SYSTEM/CHECKS PARAMETERS (GET) ----------------------------------
// #region SYSTEM/CHECKS PARAMETERS (GET)
// ------------- GET CHECK PARAMETERS (for specific checktype)
var systemChecktypeParametersGetCmd = &cobra.Command{
Use: "parameters",
Short: "Show all default parameters for a specific checktype.",
RunE: func(cmd *cobra.Command, args []string) error {
chosenType := cmd.Flag("type").Value.String()
checktypeResult, err := Level27Client.SystemCheckTypeGet(chosenType)
if err != nil {
return err
}
outputFormatTable(checktypeResult.ServiceType.Parameters, []string{"NAME", "DESCRIPTION", "DEFAULT_VALUE"}, []string{"Name", "Description", "DefaultValue"})
return nil
},
}
// #endregion
//------------------------------------------------- SYSTEM/CHECKS SPECIFIC (DESCRIBE / DELETE / UPDATE) ----------------------------------
// #region SYSTEM/CHECKS (DESCRIBE / DELETE / UPDATE)
// -------------- GET DETAILS FROM A CHECK
var systemCheckGetSingleCmd = &cobra.Command{
Use: "describe [systemID] [checkID]",
Short: "Get detailed info about a specific check.",
Args: cobra.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
//check for valid system ID
systemID, err := resolveSystem(args[0])
if err != nil {
return err
}
//check for valid system checkID
checkID, err := resolveSystemCheck(systemID, args[1])
if err != nil {
return err
}
check, err := Level27Client.SystemCheckDescribe(systemID, checkID)
if err != nil {
return err
}
outputFormatTemplate(check, "templates/systemCheck.tmpl")
return nil
},
}
// -------------- DELETE SPECIFIC CHECK
var systemCheckDeleteCmd = &cobra.Command{
Use: "delete [systemID] [checkID]",
Short: "Delete a specific check from a system",
Args: cobra.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
//check for valid system ID
systemID, err := resolveSystem(args[0])
if err != nil {
return err
}
//check for valid system checkID
checkID, err := resolveSystemCheck(systemID, args[1])
if err != nil {
return err
}
if !optDeleteConfirmed {
system, err := Level27Client.SystemGetSingle(systemID)
if err != nil {
return err
}
if !confirmPrompt(fmt.Sprintf("Delete system check %d on system %s (%d)?", checkID, system.Name, system.ID)) {
return nil
}
}
err = Level27Client.SystemCheckDelete(systemID, checkID)
if err != nil {
return err
}
outputFormatTemplate(nil, "templates/entities/systemCheck/delete.tmpl")
return nil
},
}
// -------------- UPDATE SPECIFIC CHECK
var systemCheckUnsetParams []string
var systemCheckUpdateCmd = &cobra.Command{
Use: "update [SystemID] [CheckID]",
Short: "update a specific check from a system",
Args: cobra.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
// check for valid system ID
systemID, err := resolveSystem(args[0])
if err != nil {
return err
}
// check for valid check ID
checkID, err := resolveSystemCheck(systemID, args[1])
if err != nil {
return err
}
// get the current data from the check
currentData, err := Level27Client.SystemCheckDescribe(systemID, checkID)
if err != nil {
return err
}
// create base of PUT request in JSON (checktype required and cannot be changed)
updateCheckJson := gabs.New()
updateCheckJson.Set(currentData.CheckType, "checktype")
// keep track of possbile parameters for current checktype
var possibleParameters []string
// loop over current parameters for the check.
// if parameter value is not default -> it needs to be sent in put request again.
for key, value := range currentData.CheckParameters.Map {
// put each possible parrameter in array for later
possibleParameters = append(possibleParameters, key)
if !value.Default && !sliceContains(systemCheckUnsetParams, key) {
updateCheckJson.Set(value.Value, key)
}
}
// check wich parameters the user gave in.
// also check if way of using parameter flag is correct
customParamaterDict, err := SplitCustomParameters(systemDynamicParams)
if err != nil {
return err
}
// check for each given parameter if its one of the possible parameters
// if parameter = valid -> add key/value to json object for put request
for givenParameter, givenValue := range customParamaterDict {
var isValidParameter bool = false
for i := range possibleParameters {
if givenParameter == possibleParameters[i] {
isValidParameter = true
updateCheckJson.Set(givenValue, givenParameter)
}
}
if !isValidParameter {
return fmt.Errorf("given parameter key: '%v' is not valid for checktype %v", givenParameter, currentData.CheckType)
}
}
//log.Print(updateCheckJson.StringIndent(""," "))
err = Level27Client.SystemCheckUpdate(systemID, checkID, updateCheckJson)
if err != nil {
return err
}
outputFormatTemplate(nil, "templates/entities/systemCheck/update.tmpl")
return nil
},
}
// #endregion
// ------------------------------------------------- MONITORING ON SPECIFIC SYSTEM ----------------------------------------------
// ---- MONITORING COMMAND
var systemMonitoringCmd = &cobra.Command{
Use: "monitoring",
Short: "Turn the monitoring for a system on or off.",
Example: "lvl system monitoring on MySystemName",
}
// ---- MONITORING ON
var systemMonitoringOnCmd = &cobra.Command{
Use: "on",
Short: "Turn on the monitoring for a system.",
Example: "lvl system monitoring on MySystemName",
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
//search for sytsemID based on name
systemID, err := resolveSystem(args[0])
if err != nil {
return err
}
_, err = Level27Client.SystemAction(systemID, "enable_monitoring")
if err != nil {
return err
}
outputFormatTemplate(nil, "templates/entities/system/monitoringOn.tmpl")
return nil
},
}
// ---- MONITORING OFF
var systemMonitoringOffCmd = &cobra.Command{
Use: "off",
Short: "Turn off the monitoring for a system.",
Example: "lvl system monitoring off MySystemName",
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
//search for sytsemID based on name
systemID, err := resolveSystem(args[0])
if err != nil {
return err
}
_, err = Level27Client.SystemAction(systemID, "disable_monitoring")
if err != nil {
return err
}
outputFormatTemplate(nil, "templates/entities/system/monitoringOff.tmpl")
return nil
},
}