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UPSTREAM: <carry>: crd: add ClusterOperator condition message table c…
…olumn The logic is not exressible via JSONPath. Hence, if we want this, we have to help a little with this custom column writer. OpenShift-Rebase-Source: 633a422
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94 changes: 94 additions & 0 deletions
94
...extensions-apiserver/pkg/registry/customresource/tableconvertor/patch_clusteroperators.go
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Original file line number | Diff line number | Diff line change |
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package tableconvertor | ||
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import ( | ||
"encoding/json" | ||
"io" | ||
"reflect" | ||
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configv1 "github.com/openshift/api/config/v1" | ||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
"k8s.io/apimachinery/pkg/runtime/schema" | ||
"k8s.io/apiserver/pkg/registry/rest" | ||
) | ||
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var clusterOperatorGVK = schema.GroupVersionKind{configv1.GroupName, "v1", "ClusterOperator"} | ||
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func withClusterOperatorColumns(c *convertor, gvk schema.GroupVersionKind) rest.TableConvertor { | ||
if gvk != clusterOperatorGVK { | ||
return c | ||
} | ||
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c.headers = append(c.headers, metav1.TableColumnDefinition{ | ||
Name: "Message", | ||
Type: "string", | ||
Description: "A message describing the status of the operator", | ||
Priority: 0, | ||
}) | ||
c.additionalColumns = append(c.additionalColumns, clusterOperatorConditionMessage{}) | ||
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return c | ||
} | ||
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type clusterOperatorConditionMessage struct { | ||
} | ||
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func (c clusterOperatorConditionMessage) FindResults(data interface{}) ([][]reflect.Value, error) { | ||
obj := data.(map[string]interface{}) | ||
unstructuredConds, _, _ := unstructured.NestedFieldNoCopy(obj, "status", "conditions") | ||
var conds []configv1.ClusterOperatorStatusCondition | ||
bs, err := json.Marshal(unstructuredConds) | ||
if err != nil { | ||
return nil, err | ||
} | ||
if err := json.Unmarshal(bs, &conds); err != nil { | ||
return nil, err | ||
} | ||
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var available, degraded, progressing *configv1.ClusterOperatorStatusCondition | ||
for i := range conds { | ||
cond := &conds[i] | ||
switch { | ||
case cond.Type == configv1.OperatorAvailable && cond.Status == configv1.ConditionFalse: | ||
available = cond | ||
case cond.Type == configv1.OperatorDegraded && cond.Status == configv1.ConditionTrue: | ||
degraded = cond | ||
case cond.Type == configv1.OperatorProgressing && cond.Status == configv1.ConditionTrue: | ||
progressing = cond | ||
} | ||
} | ||
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mostCritical := progressing | ||
if degraded != nil { | ||
mostCritical = degraded | ||
} | ||
if available != nil { | ||
mostCritical = available | ||
} | ||
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if mostCritical != nil { | ||
if len(mostCritical.Message) > 0 { | ||
return [][]reflect.Value{{reflect.ValueOf(mostCritical.Message)}}, nil | ||
} | ||
if len(mostCritical.Reason) > 0 { | ||
return [][]reflect.Value{{reflect.ValueOf(mostCritical.Reason)}}, nil | ||
} | ||
} | ||
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return nil, nil | ||
} | ||
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func (c clusterOperatorConditionMessage) PrintResults(wr io.Writer, results []reflect.Value) error { | ||
first := true | ||
for _, r := range results { | ||
if !first { | ||
wr.Write([]byte("; ")) // should never happen as we only return one result | ||
} | ||
if _, err := wr.Write([]byte(r.String())); err != nil { | ||
return err | ||
} | ||
first = false | ||
} | ||
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return nil | ||
} |
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