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NETOBSERV-2402 : Add LokiStack operator status integration #1122

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NETOBSERV-2402 : Add LokiStack operator status integration #1122

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2 changes: 2 additions & 0 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ require (
github.com/gogo/protobuf v1.3.2 // indirect
github.com/google/gnostic-models v0.7.0 // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/grafana/loki/operator/apis/loki v0.0.0-20241021105923-5e970e50b166 // indirect
github.com/josharian/intern v1.0.0 // indirect
github.com/jpillora/backoff v1.0.0 // indirect
github.com/mailru/easyjson v0.9.0 // indirect
Expand Down Expand Up @@ -63,6 +64,7 @@ require (
k8s.io/klog/v2 v2.130.1 // indirect
k8s.io/kube-openapi v0.0.0-20250710124328-f3f2b991d03b // indirect
k8s.io/utils v0.0.0-20250604170112-4c0f3b243397 // indirect
sigs.k8s.io/controller-runtime v0.20.4 // indirect
sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8 // indirect
sigs.k8s.io/randfill v1.0.0 // indirect
sigs.k8s.io/structured-merge-diff/v6 v6.3.0 // indirect
Expand Down
4 changes: 4 additions & 0 deletions go.sum
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,8 @@ github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
github.com/grafana/loki/operator/apis/loki v0.0.0-20241021105923-5e970e50b166 h1:cmG5fwmF+0PsyerLecb7CU4bzNRg5+tDgO3PiNxskKo=
github.com/grafana/loki/operator/apis/loki v0.0.0-20241021105923-5e970e50b166/go.mod h1:QggEReYyQzjnwTlj9hMeRaI2M/w3UPAwrMOXYzIyonc=
github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
github.com/jpillora/backoff v1.0.0 h1:uvFg412JmmHBHw7iwprIxkPMI+sGQ4kzOWsMeHnm2EA=
Expand Down Expand Up @@ -233,6 +235,8 @@ k8s.io/kube-openapi v0.0.0-20250710124328-f3f2b991d03b h1:MloQ9/bdJyIu9lb1PzujOP
k8s.io/kube-openapi v0.0.0-20250710124328-f3f2b991d03b/go.mod h1:UZ2yyWbFTpuhSbFhv24aGNOdoRdJZgsIObGBUaYVsts=
k8s.io/utils v0.0.0-20250604170112-4c0f3b243397 h1:hwvWFiBzdWw1FhfY1FooPn3kzWuJ8tmbZBHi4zVsl1Y=
k8s.io/utils v0.0.0-20250604170112-4c0f3b243397/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0=
sigs.k8s.io/controller-runtime v0.20.4 h1:X3c+Odnxz+iPTRobG4tp092+CvBU9UK0t/bRf+n0DGU=
sigs.k8s.io/controller-runtime v0.20.4/go.mod h1:xg2XB0K5ShQzAgsoujxuKN4LNXR2LfwwHsPj7Iaw+XY=
sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8 h1:gBQPwqORJ8d8/YNZWEjoZs7npUVDpVXUUOFfW6CgAqE=
sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8/go.mod h1:mdzfpAEoE6DHQEN0uh9ZbOCuHbLK5wOm7dK4ctXE9Tg=
sigs.k8s.io/randfill v1.0.0 h1:JfjMILfT8A6RbawdsK2JXGBR5AQVfd+9TbzrlneTyrU=
Expand Down
34 changes: 18 additions & 16 deletions pkg/config/loki.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,26 +4,28 @@ import (
"fmt"
"strings"

lokiv1 "github.com/grafana/loki/operator/apis/loki/v1"
"github.com/netobserv/network-observability-console-plugin/pkg/utils"
)

type Loki struct {
URL string `yaml:"url" json:"url"`
Labels []string `yaml:"labels" json:"labels"`
FieldsType map[string]string `yaml:"fieldsType" json:"fieldsType"`
FieldsFormat map[string]string `yaml:"fieldsFormat" json:"fieldsFormat"`
StatusURL string `yaml:"statusUrl,omitempty" json:"statusUrl,omitempty"`
Timeout Duration `yaml:"timeout,omitempty" json:"timeout,omitempty"`
TenantID string `yaml:"tenantID,omitempty" json:"tenantID,omitempty"`
TokenPath string `yaml:"tokenPath,omitempty" json:"tokenPath,omitempty"`
SkipTLS bool `yaml:"skipTls,omitempty" json:"skipTls,omitempty"`
CAPath string `yaml:"caPath,omitempty" json:"caPath,omitempty"`
StatusSkipTLS bool `yaml:"statusSkipTls,omitempty" json:"statusSkipTls,omitempty"`
StatusCAPath string `yaml:"statusCaPath,omitempty" json:"statusCaPath,omitempty"`
StatusUserCertPath string `yaml:"statusUserCertPath,omitempty" json:"statusUserCertPath,omitempty"`
StatusUserKeyPath string `yaml:"statusUserKeyPath,omitempty" json:"statusUserKeyPath,omitempty"`
UseMocks bool `yaml:"useMocks,omitempty" json:"useMocks,omitempty"`
ForwardUserToken bool `yaml:"forwardUserToken,omitempty" json:"forwardUserToken,omitempty"`
URL string `yaml:"url" json:"url"`
Labels []string `yaml:"labels" json:"labels"`
FieldsType map[string]string `yaml:"fieldsType" json:"fieldsType"`
FieldsFormat map[string]string `yaml:"fieldsFormat" json:"fieldsFormat"`
StatusURL string `yaml:"statusUrl,omitempty" json:"statusUrl,omitempty"`
Timeout Duration `yaml:"timeout,omitempty" json:"timeout,omitempty"`
TenantID string `yaml:"tenantID,omitempty" json:"tenantID,omitempty"`
TokenPath string `yaml:"tokenPath,omitempty" json:"tokenPath,omitempty"`
SkipTLS bool `yaml:"skipTls,omitempty" json:"skipTls,omitempty"`
CAPath string `yaml:"caPath,omitempty" json:"caPath,omitempty"`
Status *lokiv1.LokiStackStatus `yaml:"status,omitempty" json:"status,omitempty"`
StatusSkipTLS bool `yaml:"statusSkipTls,omitempty" json:"statusSkipTls,omitempty"`
StatusCAPath string `yaml:"statusCaPath,omitempty" json:"statusCaPath,omitempty"`
StatusUserCertPath string `yaml:"statusUserCertPath,omitempty" json:"statusUserCertPath,omitempty"`
StatusUserKeyPath string `yaml:"statusUserKeyPath,omitempty" json:"statusUserKeyPath,omitempty"`
UseMocks bool `yaml:"useMocks,omitempty" json:"useMocks,omitempty"`
ForwardUserToken bool `yaml:"forwardUserToken,omitempty" json:"forwardUserToken,omitempty"`
labelsMap map[string]struct{}
}

Expand Down
24 changes: 24 additions & 0 deletions pkg/handler/loki.go
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Original file line number Diff line number Diff line change
Expand Up @@ -198,6 +198,18 @@ func getLokiNamesForPrefix(cfg *config.Loki, lokiClient httpclient.Caller, filts
}

func (h *Handlers) getLokiStatus(r *http.Request) ([]byte, int, error) {
// Check if the status was provided by the operator
if h.Cfg.Loki.Status != nil {
for _, conditions := range h.Cfg.Loki.Status.Conditions {
if conditions.Reason == "ReadyComponents" {
if conditions.Status == "True" {
return []byte("ready"), 200, nil
}
break
}
}
return []byte("pending"), 400, nil
}
lokiClient := newLokiClient(&h.Cfg.Loki, r.Header, true)
baseURL := strings.TrimRight(h.Cfg.Loki.GetStatusURL(), "/")
return executeLokiQuery(fmt.Sprintf("%s/%s", baseURL, "ready"), lokiClient)
Expand Down Expand Up @@ -231,6 +243,10 @@ func (h *Handlers) LokiMetrics() func(w http.ResponseWriter, r *http.Request) {
writeError(w, http.StatusBadRequest, "Loki is disabled")
return
}
if h.Cfg.Loki.Status != nil {
writeError(w, http.StatusBadRequest, "Loki status URL is not usable with Loki operator")
return
}
lokiClient := newLokiClient(&h.Cfg.Loki, r.Header, true)
baseURL := strings.TrimRight(h.Cfg.Loki.GetStatusURL(), "/")

Expand All @@ -250,6 +266,10 @@ func (h *Handlers) LokiBuildInfos() func(w http.ResponseWriter, r *http.Request)
writeError(w, http.StatusBadRequest, "Loki is disabled")
return
}
if h.Cfg.Loki.Status != nil {
writeError(w, http.StatusBadRequest, "Loki status URL is not usable with Loki operator")
return
}
lokiClient := newLokiClient(&h.Cfg.Loki, r.Header, true)
baseURL := strings.TrimRight(h.Cfg.Loki.GetStatusURL(), "/")

Expand All @@ -264,6 +284,10 @@ func (h *Handlers) LokiBuildInfos() func(w http.ResponseWriter, r *http.Request)
}

func (h *Handlers) fetchLokiConfig(cl httpclient.Caller, output any) error {
if h.Cfg.Loki.Status != nil {
return fmt.Errorf("loki status url is not usable with Loki operator")
}

baseURL := strings.TrimRight(h.Cfg.Loki.GetStatusURL(), "/")

resp, _, err := executeLokiQuery(fmt.Sprintf("%s/%s", baseURL, "config"), cl)
Expand Down
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