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operator: Refactor CreateOrUpdateLokiStack handler (grafana#11592)
Co-authored-by: Robert Jacob <[email protected]>
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Original file line number | Diff line number | Diff line change |
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package gateway | ||
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import ( | ||
"context" | ||
"fmt" | ||
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"github.com/go-logr/logr" | ||
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configv1 "github.com/grafana/loki/operator/apis/config/v1" | ||
lokiv1 "github.com/grafana/loki/operator/apis/loki/v1" | ||
"github.com/grafana/loki/operator/internal/external/k8s" | ||
"github.com/grafana/loki/operator/internal/handlers/internal/openshift" | ||
"github.com/grafana/loki/operator/internal/manifests" | ||
"github.com/grafana/loki/operator/internal/status" | ||
) | ||
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// BuildOptions returns the options needed to generate Kubernetes resource | ||
// manifests for the lokistack-gateway. | ||
// The returned error can be a status.DegradedError in the following cases: | ||
// - The tenants spec is missing. | ||
// - The tenants spec is invalid. | ||
func BuildOptions(ctx context.Context, log logr.Logger, k k8s.Client, stack *lokiv1.LokiStack, fg configv1.FeatureGates) (string, manifests.Tenants, error) { | ||
var ( | ||
err error | ||
baseDomain string | ||
secrets []*manifests.TenantSecrets | ||
configs map[string]manifests.TenantConfig | ||
tenants manifests.Tenants | ||
) | ||
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if !fg.LokiStackGateway { | ||
return "", tenants, nil | ||
} | ||
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if stack.Spec.Tenants == nil { | ||
return "", tenants, &status.DegradedError{ | ||
Message: "Invalid tenants configuration: TenantsSpec cannot be nil when gateway flag is enabled", | ||
Reason: lokiv1.ReasonInvalidTenantsConfiguration, | ||
Requeue: false, | ||
} | ||
} | ||
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if err = validateModes(stack); err != nil { | ||
return "", tenants, &status.DegradedError{ | ||
Message: fmt.Sprintf("Invalid tenants configuration: %s", err), | ||
Reason: lokiv1.ReasonInvalidTenantsConfiguration, | ||
Requeue: false, | ||
} | ||
} | ||
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switch stack.Spec.Tenants.Mode { | ||
case lokiv1.OpenshiftLogging, lokiv1.OpenshiftNetwork: | ||
baseDomain, err = getOpenShiftBaseDomain(ctx, k) | ||
if err != nil { | ||
return "", tenants, err | ||
} | ||
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if stack.Spec.Proxy == nil { | ||
// If the LokiStack has no proxy set but there is a cluster-wide proxy setting, | ||
// set the LokiStack proxy to that. | ||
ocpProxy, proxyErr := openshift.GetProxy(ctx, k) | ||
if proxyErr != nil { | ||
return "", tenants, proxyErr | ||
} | ||
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stack.Spec.Proxy = ocpProxy | ||
} | ||
default: | ||
secrets, err = getTenantSecrets(ctx, k, stack) | ||
if err != nil { | ||
return "", tenants, err | ||
} | ||
} | ||
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// extract the existing tenant's id, cookieSecret if exists, otherwise create new. | ||
configs, err = getTenantConfigFromSecret(ctx, k, stack) | ||
if err != nil { | ||
log.Error(err, "error in getting tenant secret data") | ||
} | ||
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tenants = manifests.Tenants{ | ||
Secrets: secrets, | ||
Configs: configs, | ||
} | ||
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return baseDomain, tenants, nil | ||
} |
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