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e2e: Allow max-node-to-gather to be changed when running against larger clusters

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While debugging issues I found myself having to change the constant in the code
for a cluster > 20 nodes, and then on a very small cluster I found myself passing
0 to avoid the mostly useless output (it's useful in specific scenarios but generates
a *lot* of output that doesn't help debugging the rest of the time).
This commit is contained in:
Clayton Coleman 2018-11-27 23:26:54 -05:00
parent 9b9f5f949d
commit 653ed22fc9
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2 changed files with 3 additions and 1 deletions
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2
test/e2e/framework/test_context.go
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@ -115,6 +115,7 @@ type TestContextType struct {
GatherLogsSizes bool
GatherMetricsAfterTest string
GatherSuiteMetricsAfterTest bool
MaxNodesToGather int
AllowGatheringProfiles bool
// If set to 'true' framework will gather ClusterAutoscaler metrics when gathering them for other components.
IncludeClusterAutoscalerMetrics bool
@ -206,6 +207,7 @@ func RegisterCommonFlags() {
flag.StringVar(&TestContext.GatherKubeSystemResourceUsageData, "gather-resource-usage", "false", "If set to 'true' or 'all' framework will be monitoring resource usage of system all add-ons in (some) e2e tests, if set to 'master' framework will be monitoring master node only, if set to 'none' of 'false' monitoring will be turned off.")
flag.BoolVar(&TestContext.GatherLogsSizes, "gather-logs-sizes", false, "If set to true framework will be monitoring logs sizes on all machines running e2e tests.")
flag.IntVar(&TestContext.MaxNodesToGather, "max-nodes-to-gather-from", 20, "The maximum number of nodes to gather extended info from on test failure.")
flag.StringVar(&TestContext.GatherMetricsAfterTest, "gather-metrics-at-teardown", "false", "If set to 'true' framework will gather metrics from all components after each test. If set to 'master' only master component metrics would be gathered.")
flag.BoolVar(&TestContext.GatherSuiteMetricsAfterTest, "gather-suite-metrics-at-teardown", false, "If set to true framwork will gather metrics from all components after the whole test suite completes.")
flag.BoolVar(&TestContext.AllowGatheringProfiles, "allow-gathering-profiles", true, "If set to true framework will allow to gather CPU/memory allocation pprof profiles from the master.")

2
test/e2e/framework/util.go
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@ -2491,7 +2491,7 @@ func DumpAllNamespaceInfo(c clientset.Interface, namespace string) {
// 1. it takes tens of minutes or hours to grab all of them
// 2. there are so many of them that working with them are mostly impossible
// So we dump them only if the cluster is relatively small.
maxNodesForDump := 20
maxNodesForDump := TestContext.MaxNodesToGather
if nodes, err := c.CoreV1().Nodes().List(metav1.ListOptions{}); err == nil {
if len(nodes.Items) <= maxNodesForDump {
dumpAllPodInfo(c)