From: beierlm <mark.beierl@canonical.com>
Date: Thu, 10 Mar 2022 11:14:38 +0000 (-0500)
Subject: Bug 1903: Better SSH check
X-Git-Tag: v10.1.1-rc1^0
X-Git-Url: https://osm.etsi.org/gitweb/?a=commitdiff_plain;h=refs%2Fchanges%2F31%2F12131%2F1;p=osm%2Fdevops.git

Bug 1903: Better SSH check

Changes the ssh port ready check from a simple 'is the port open?' to
a full ssh login check to ensure that sshd is actually running on the
target server.

Adds timeout to ssh check

Fixes bug 1903

Change-Id: I8c3f0d8e1ac450726bc3336c00e7fbdf405fe067
Signed-off-by: beierlm <mark.beierl@canonical.com>
---

diff --git a/jenkins/ci-pipelines/ci_stage_3.groovy b/jenkins/ci-pipelines/ci_stage_3.groovy
index 14736e94..801ddbb0 100644
--- a/jenkins/ci-pipelines/ci_stage_3.groovy
+++ b/jenkins/ci-pipelines/ci_stage_3.groovy
@@ -396,10 +396,16 @@ node("${params.NODE}") {
                     println("Waiting for VM at ${IP_ADDRESS} to be reachable")
 
                     alive = false
-                    while (! alive) {
-                        output=sh(returnStdout: true, script: "sleep 1 ; nc -zv ${IP_ADDRESS} 22 2>&1 || true").trim()
-                        println("output is [$output]")
-                        alive = output.contains("succeeded")
+                    timeout(time: 1, unit: 'MINUTES') {
+                        while (!alive) {
+                            output = sh(
+                                returnStatus: true,
+                                script: "ssh -T -i ${SSH_KEY} " +
+                                    "-o StrictHostKeyChecking=no " +
+                                    "-o UserKnownHostsFile=/dev/null " +
+                                    "-o ConnectTimeout=5 ubuntu@${IP_ADDRESS} 'echo Alive'")
+                            alive = (output == 0)
+                        }
                     }
                     println("VM is ready and accepting ssh connections")
                 } // stage("Spawn Remote VM")