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Merge pull request #17412 from karalabe/puppeth-fix-dial-panic

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cmd/puppeth: fix nil panic on disconnected stats gathering
This commit is contained in:
Péter Szilágyi 2018-08-16 13:19:01 +03:00 committed by GitHub
commit 5952d962dc
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 2 deletions
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12
cmd/puppeth/wizard_netstats.go
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@ -82,7 +82,6 @@ func (w *wizard) gatherStats(server string, pubkey []byte, client *sshClient) *s
logger.Info("Starting remote server health-check")
stat := &serverStat{
address: client.address,
services: make(map[string]map[string]string),
}
if client == nil {
@ -94,6 +93,8 @@ func (w *wizard) gatherStats(server string, pubkey []byte, client *sshClient) *s
}
client = conn
}
stat.address = client.address
// Client connected one way or another, run health-checks
logger.Debug("Checking for nginx availability")
if infos, err := checkNginx(client, w.network); err != nil {
@ -214,6 +215,9 @@ func (stats serverStats) render() {
if len(stat.address) > len(separator[1]) {
separator[1] = strings.Repeat("-", len(stat.address))
}
if len(stat.failure) > len(separator[1]) {
separator[1] = strings.Repeat("-", len(stat.failure))
}
for service, configs := range stat.services {
if len(service) > len(separator[2]) {
separator[2] = strings.Repeat("-", len(service))
@ -250,7 +254,11 @@ func (stats serverStats) render() {
sort.Strings(services)
if len(services) == 0 {
table.Append([]string{server, stats[server].address, "", "", ""})
if stats[server].failure != "" {
table.Append([]string{server, stats[server].failure, "", "", ""})
} else {
table.Append([]string{server, stats[server].address, "", "", ""})
}
}
for j, service := range services {
// Add an empty line between all services