Files
troubleshoot/pkg/analyze/cluster_version.go
2020-02-18 21:23:44 +00:00

91 lines
2.4 KiB
Go

package analyzer
import (
"encoding/json"
"strings"
"github.com/blang/semver"
"github.com/pkg/errors"
troubleshootv1beta1 "github.com/replicatedhq/troubleshoot/pkg/apis/troubleshoot/v1beta1"
"github.com/replicatedhq/troubleshoot/pkg/collect"
)
func analyzeClusterVersion(analyzer *troubleshootv1beta1.ClusterVersion, getCollectedFileContents func(string) ([]byte, error)) (*AnalyzeResult, error) {
clusterInfo, err := getCollectedFileContents("cluster-info/cluster_version.json")
if err != nil {
return nil, errors.Wrap(err, "failed to get contents of cluster_version.json")
}
collectorClusterVersion := collect.ClusterVersion{}
if err := json.Unmarshal(clusterInfo, &collectorClusterVersion); err != nil {
return nil, errors.Wrap(err, "failed to parse cluster_version.json")
}
k8sVersion, err := semver.Make(strings.TrimLeft(collectorClusterVersion.String, "v"))
if err != nil {
return nil, errors.Wrap(err, "failed to parse semver from cluster_version.json")
}
return analyzeClusterVersionResult(k8sVersion, analyzer.Outcomes, analyzer.CheckName)
}
func analyzeClusterVersionResult(k8sVersion semver.Version, outcomes []*troubleshootv1beta1.Outcome, checkName string) (*AnalyzeResult, error) {
for _, outcome := range outcomes {
when := ""
message := ""
uri := ""
title := checkName
if title == "" {
title = "Required Kubernetes Version"
}
result := AnalyzeResult{
Title: title,
IconKey: "kubernetes_cluster_version",
IconURI: "https://troubleshoot.sh/images/analyzer-icons/kubernetes.svg?w=16&h=16",
}
if outcome.Fail != nil {
result.IsFail = true
when = outcome.Fail.When
message = outcome.Fail.Message
uri = outcome.Fail.URI
} else if outcome.Warn != nil {
result.IsWarn = true
when = outcome.Warn.When
message = outcome.Warn.Message
uri = outcome.Warn.URI
} else if outcome.Pass != nil {
result.IsPass = true
when = outcome.Pass.When
message = outcome.Pass.Message
uri = outcome.Pass.URI
} else {
return nil, errors.New("empty outcome")
}
// When is usually empty as the final case and should be treated as true
if when == "" {
result.Message = message
result.URI = uri
return &result, nil
}
whenRange, err := semver.ParseRange(when)
if err != nil {
return nil, errors.Wrap(err, "failed to parse semver range")
}
if whenRange(k8sVersion) {
result.Message = message
result.URI = uri
return &result, nil
}
}
return &AnalyzeResult{}, nil
}