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Create Health Checks Provider to interact with Google Cloud
This separates business logic and handling health checks resources
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| package healthchecks_l4 | ||
|
|
||
| import ( | ||
| "github.com/GoogleCloudPlatform/k8s-cloud-provider/pkg/cloud/meta" | ||
| v1 "k8s.io/api/core/v1" | ||
| "k8s.io/ingress-gce/pkg/composite" | ||
| "k8s.io/ingress-gce/pkg/utils" | ||
| "k8s.io/ingress-gce/pkg/utils/namer" | ||
| ) | ||
|
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| // L4HealthChecks defines methods for creating and deleting health checks (and their firewall rules) for l4 services | ||
| type L4HealthChecks interface { | ||
| // EnsureL4HealthCheck creates health check (and firewall rule) for l4 service | ||
| EnsureL4HealthCheck(svc *v1.Service, namer namer.L4ResourcesNamer, sharedHC bool, scope meta.KeyType, l4Type utils.L4LBType, nodeNames []string) *EnsureL4HealthCheckResult | ||
| // DeleteHealthCheck deletes health check (and firewall rule) for l4 service | ||
| DeleteHealthCheck(svc *v1.Service, namer namer.L4ResourcesNamer, sharedHC bool, scope meta.KeyType, l4Type utils.L4LBType) (string, error) | ||
| } | ||
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| type EnsureL4HealthCheckResult struct { | ||
| HCName string | ||
| HCLink string | ||
| HCFirewallRuleName string | ||
| GceResourceInError string | ||
| Err error | ||
| } | ||
|
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| type HealthChecksProvider interface { | ||
| Get(name string, scope meta.KeyType) (*composite.HealthCheck, error) | ||
| Create(healthCheck *composite.HealthCheck) error | ||
| Update(name string, scope meta.KeyType, updatedHealthCheck *composite.HealthCheck) error | ||
| Delete(name string, scope meta.KeyType) error | ||
| SelfLink(name string, scope meta.KeyType) (string, error) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package healthchecks_l4 | ||
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| import ( | ||
| "fmt" | ||
|
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| cloudprovider "github.com/GoogleCloudPlatform/k8s-cloud-provider/pkg/cloud" | ||
| "github.com/GoogleCloudPlatform/k8s-cloud-provider/pkg/cloud/meta" | ||
| "k8s.io/ingress-gce/pkg/composite" | ||
| "k8s.io/ingress-gce/pkg/utils" | ||
| "k8s.io/legacy-cloud-providers/gce" | ||
| ) | ||
|
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| type HealthChecks struct { | ||
| cloud *gce.Cloud | ||
| version meta.Version | ||
| } | ||
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| func NewHealthChecks(cloud *gce.Cloud, version meta.Version) *HealthChecks { | ||
| return &HealthChecks{ | ||
| cloud: cloud, | ||
| version: version, | ||
| } | ||
| } | ||
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| func (hc *HealthChecks) createKey(name string, scope meta.KeyType) (*meta.Key, error) { | ||
| return composite.CreateKey(hc.cloud, name, scope) | ||
| } | ||
|
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| func (hc *HealthChecks) Get(name string, scope meta.KeyType) (*composite.HealthCheck, error) { | ||
| key, err := hc.createKey(name, scope) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("hc.createKey(%s, %s) returned error %w, want nil", name, scope, err) | ||
| } | ||
| healthCheck, err := composite.GetHealthCheck(hc.cloud, key, hc.version) | ||
| if err != nil { | ||
| if utils.IsNotFoundError(err) { | ||
| return nil, nil | ||
| } | ||
| return nil, fmt.Errorf("composite.GetHealthCheck(_, %v, %v) returned error %w, want nil", key, meta.VersionGA, err) | ||
| } | ||
| return healthCheck, nil | ||
| } | ||
|
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| func (hc *HealthChecks) Create(healthCheck *composite.HealthCheck) error { | ||
| key, err := hc.createKey(healthCheck.Name, healthCheck.Scope) | ||
| if err != nil { | ||
| return fmt.Errorf("hc.createKey(%s, %s) returned error: %w, want nil", healthCheck.Name, healthCheck.Scope, err) | ||
| } | ||
|
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| err = composite.CreateHealthCheck(hc.cloud, key, healthCheck) | ||
| if err != nil { | ||
| return fmt.Errorf("composite.CreateHealthCheck(_, %s, %v) returned error %w, want nil", key, healthCheck, err) | ||
| } | ||
| return nil | ||
| } | ||
|
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| func (hc *HealthChecks) Update(name string, scope meta.KeyType, updatedHealthCheck *composite.HealthCheck) error { | ||
| key, err := hc.createKey(name, scope) | ||
| if err != nil { | ||
| return fmt.Errorf("hc.createKey(%s, %s) returned error: %w, want nil", name, scope, err) | ||
| } | ||
|
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| err = composite.UpdateHealthCheck(hc.cloud, key, updatedHealthCheck) | ||
| if err != nil { | ||
| return fmt.Errorf("composite.UpdateHealthCheck(_, %s, %v) returned error %w, want nil", key, updatedHealthCheck, err) | ||
| } | ||
| return nil | ||
| } | ||
|
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| func (hc *HealthChecks) Delete(name string, scope meta.KeyType) error { | ||
| key, err := hc.createKey(name, scope) | ||
| if err != nil { | ||
| return fmt.Errorf("hc.createKey(%s, %s) returned error %w, want nil", name, scope, err) | ||
| } | ||
|
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| return utils.IgnoreHTTPNotFound(composite.DeleteHealthCheck(hc.cloud, key, hc.version)) | ||
| } | ||
|
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| func (hc *HealthChecks) SelfLink(name string, scope meta.KeyType) (string, error) { | ||
| key, err := hc.createKey(name, scope) | ||
| if err != nil { | ||
| return "", fmt.Errorf("hc.createKey(%s, %s) returned error %w, want nil", name, scope, err) | ||
| } | ||
|
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| return cloudprovider.SelfLink(meta.VersionGA, hc.cloud.ProjectID(), "healthChecks", key), nil | ||
| } |
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