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Add log collector for Service Mesh Interface logs, CustomResourceDefinitions, and custom resources. Related to PR Azure#48. Resolves issue Azure#67. Signed-off-by: Johnson Shi <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package collector | ||
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| import ( | ||
| "log" | ||
| "strings" | ||
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| "github.com/Azure/aks-periscope/pkg/interfaces" | ||
| "github.com/Azure/aks-periscope/pkg/utils" | ||
| ) | ||
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| // SmiCollector defines an Smi Collector struct | ||
| type SmiCollector struct { | ||
| BaseCollector | ||
| } | ||
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| var _ interfaces.Collector = &SmiCollector{} | ||
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| // NewSmiCollector is a constructor | ||
| func NewSmiCollector(exporter interfaces.Exporter) *SmiCollector { | ||
| return &SmiCollector{ | ||
| BaseCollector: BaseCollector{ | ||
| collectorType: Smi, | ||
| exporter: exporter, | ||
| }, | ||
| } | ||
| } | ||
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| // Collect implements the interface method | ||
| func (collector *SmiCollector) Collect() error { | ||
| // Get all CustomResourceDefinitions in the cluster | ||
| allCrdsList, err := utils.GetResourceList([]string{"get", "crds", "--all-namespaces", "-o", "jsonpath={..metadata.name}"}, " ") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if len(allCrdsList) == 0 { | ||
| log.Printf("Cluster does not contain any CustomResourceDefinitions\n") | ||
| return nil | ||
| } | ||
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| // Get all Smi CustomResourceDefinitions in the cluster | ||
| crdNameContainsSmiPredicate := func(s string) bool { return strings.Contains(s, "smi-spec.io") } | ||
| smiCrdsList := filter(allCrdsList, crdNameContainsSmiPredicate) | ||
| if len(smiCrdsList) == 0 { | ||
| log.Printf("Cluster does not contain any SMI CustomResourceDefinitions\n") | ||
| return nil | ||
| } | ||
|
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| // Directory where SMI logs will be written to | ||
| // rootPath, err := utils.CreateCollectorDir(collector.GetName()) | ||
| // if err != nil { | ||
| // return err | ||
| // } | ||
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| // Steps: | ||
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| // Obtain list of CRDs in the cluster. | ||
| // Return error if error on obtaining CRDs from the cluster. | ||
| // Return nil if no CRDs in the cluster. | ||
| // Filter Smi CRDs from the list of CRDs. | ||
| // Return nil if no Smi CRDs in the cluster. | ||
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| // Proceed with obtaining Smi logs. | ||
| // Create top level directory. | ||
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| // Top Level Logs - Log a cluster-wide TSV list of all Smi CustomResourceDefinitions in the cluster. | ||
| // Top Level Logs - Log the YAML definition of each Smi CustomResourceDefinition in the cluster. | ||
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| // Proceed with collecting Smi logs from each namespace. | ||
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| // For each namespace: | ||
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| // Create a directory for the namespace. | ||
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| // For each Smi CRD: | ||
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| // Log a TSV list of all custom resources of that Smi CRD type. | ||
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| // For each custom resource of that Smi CRD type: | ||
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| // Log the YAML definition of that custom resource of that Smi CRD type. | ||
| } | ||
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| func filter(ss []string, test func(string) bool) (ret []string) { | ||
| for _, s := range ss { | ||
| if test(s) { | ||
| ret = append(ret, s) | ||
| } | ||
| } | ||
| return | ||
| } |