Fixing check-alerts command and add test case

[rsevilla87]

Type of change

• Refactor
• New feature
• Bug fix
• Optimization
• Documentation Update

Description

check-alerts was broken due to a nil pointer in indexer

$ ~/labs/kube-burner/bin/amd64/kube-burner check-alerts -a up.yml -u http://localhost:9090                                                         16:18:54 [118/1437]
time="2024-04-22 16:16:04" level=info msg="👽 Initializing prometheus client with URL: http://localhost:9090" file="prometheus.go:47"
panic: runtime error: invalid memory address or nil pointer dereference                                                
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x1b4d890]                                                                                                                                                                       
                                                                                                                                                                                                                                              
goroutine 1 [running]:                                                                                                                                                                                                                        
main.alertCmd.func1(0xc00050d000?, {0xc00051f5c0?, 0x4?, 0x208f102?})                                                                                                                                                                         
        /home/rsevilla/labs/kube-burner/cmd/kube-burner/kube-burner.go:481 +0x7f0                                                                                                                                                             
github.com/spf13/cobra.(*Command).execute(0xc0003d6c00, {0xc00051f580, 0x4, 0x4})                                                                                                                                                             
        /home/rsevilla/go/pkg/mod/github.com/spf13/cobra@v1.6.1/command.go:920 +0x863                                                                                                                                                         
github.com/spf13/cobra.(*Command).ExecuteC(0x3550fe0)                                                                  
        /home/rsevilla/go/pkg/mod/github.com/spf13/cobra@v1.6.1/command.go:1044 +0x3a5                                                                                                                                                        
github.com/spf13/cobra.(*Command).Execute(...)                                                                                                                                                                                                
        /home/rsevilla/go/pkg/mod/github.com/spf13/cobra@v1.6.1/command.go:968                                         
main.main()                                                                                                            
        /home/rsevilla/labs/kube-burner/cmd/kube-burner/kube-burner.go:523 +0xfa     

Related Tickets & Documents

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