Falco Sidekick UI Ingress not functional

[benglewis]

Describe the bug

When using the Helm chart to use Falco Sidekick UI with an Ingress, the resulting endpoint results in 404 on all resource requests.

How to reproduce it

Run Helm chart with Falco Sidekick UI with an Ingress on GCP. Please see: #402 (comment)

Expected behaviour

Falco Sidekick UI should work on the address indicated by the Ingress.

Screenshots

Please see:
#402 (comment)

Environment

• Falco version:
  0.38.1
• System info:

Sun Jul  7 15:33:38 2024: Using deprecated config key 'rules_file' (singular form). Please use new 'rules_files' config key (plural form).
Sun Jul  7 15:33:38 2024: Falco version: 0.38.1 (x86_64)
Sun Jul  7 15:33:38 2024: Falco initialized with configuration files:
Sun Jul  7 15:33:38 2024:    /etc/falco/falco.yaml
Sun Jul  7 15:33:38 2024: System info: Linux version 6.1.85+ (builder@faf02fc191fd) (Chromium OS 16.0_pre484197_p20230405-r10 clang version 16.0.0 (/var/tmp/portage/sys-devel/llvm-16.0_pre484197_p20230405-r10/work/llvm-16.0_pre484197_p20230405/clang 2916b99182752b1aece8cc4479d8d6a20b5e02da), LLD 16.0.0) #1 SMP PREEMPT_DYNAMIC Thu Jun 27 21:05:47 UTC 2024
Sun Jul  7 15:33:38 2024: Loading rules from file /etc/falco/falco_rules.yaml
{
  "machine": "x86_64",
  "nodename": "falco-pqft2",
  "release": "6.1.85+",
  "sysname": "Linux",
  "version": "#1 SMP PREEMPT_DYNAMIC Thu Jun 27 21:05:47 UTC 2024"
}

• Cloud provider or hardware configuration:
  GCP GKE
• OS:
  Node is running on GCP Container-Optimized OS. Falco image seems to be Ubuntu based-based.
• Kernel:
  6.1.85+
• Installation method:
  Helm chart via Pulumi.

Additional context

N/A

[Issif]

Can you try to set the pathType to Prefix to check if it works better please.

falcosidekick: 
  enabled: true
  webui: 
    enabled: true
    user: "REDACTED:REDACTED"
    service: 
      type: "NodePort"
      annotations: 
        cloud.google.com/neg: "{\"ingress\": true}"
        cloud.google.com/app-protocols: "{\"http\": \"HTTP\"}"
    ingress: 
      enabled: true
      annotations: 
        kubernetes.io/ingress.class: "gce-internal"
        kubernetes.io/ingress.allow-http: true
        networking.gke.io/v1beta1.FrontendConfig: "frontend-config"
      hosts: 
        - host: "falcosidekick-ui.falco.mvp.dev.hirundo.io"
          paths: 
          - path: "/
            pathType: Prefix