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Add HTTPProxyCheck for API servers

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It makes sense to check all API servers mentioned in the command
line and print warnings if they're going to be accessed through proxy.
This is similar to what's already done for 'kubeadm init'.
This commit is contained in:
Ed Bartosh 2018-01-31 22:50:58 +02:00
parent aee2cff1b8
commit 3ecc49daaa
1 changed files with 14 additions and 6 deletions
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20
cmd/kubeadm/app/preflight/checks.go
View File

@ -999,19 +999,27 @@ func RunJoinNodeChecks(execer utilsexec.Interface, cfg *kubeadmapi.NodeConfigura
criCtlChecker)
}
var bridgenf6Check Checker
for _, server := range cfg.DiscoveryTokenAPIServers {
ipstr, _, err := net.SplitHostPort(server)
if err == nil {
if ip := net.ParseIP(ipstr); ip != nil {
if ip.To4() == nil && ip.To16() != nil {
checks = append(checks,
FileContentCheck{Path: bridgenf6, Content: []byte{'1'}},
)
break // Ensure that check is added only once
checks = append(checks,
HTTPProxyCheck{Proto: "https", Host: ipstr},
)
if bridgenf6Check == nil {
if ip := net.ParseIP(ipstr); ip != nil {
if ip.To4() == nil && ip.To16() != nil {
// This check should be added only once
bridgenf6Check = FileContentCheck{Path: bridgenf6, Content: []byte{'1'}}
}
}
}
}
}
if bridgenf6Check != nil {
checks = append(checks, bridgenf6Check)
}
return RunChecks(checks, os.Stderr, ignorePreflightErrors)
}