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Repair smoke-test for Windows GCE clusters
This commit is contained in:
Peter Hornyack
parent
79bb357193
commit
9b17de7462
@ -40,7 +40,7 @@
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# Override this to use a different kubectl binary.
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kubectl=kubectl
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linux_deployment_timeout=60
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windows_deployment_timeout=180
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windows_deployment_timeout=300
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output_file=/tmp/k8s-smoke-test.out
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function check_windows_nodes_are_ready {
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@ -458,9 +458,9 @@ function test_linux_pod_to_internet {
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echo "TEST: ${FUNCNAME[0]}"
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local linux_command_pod
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linux_command_pod="$(get_linux_command_pod_name)"
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local internet_ip="8.8.8.8" # Google DNS
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# A stable (hopefully) HTTP server provided by Cloudflare.
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local internet_ip="1.1.1.1"
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# This is expected to return 404 (not found).
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if ! $kubectl exec "$linux_command_pod" -- curl -m 20 \
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"http://$internet_ip" > $output_file; then
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cleanup_deployments
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@ -474,7 +474,7 @@ function test_linux_pod_to_k8s_service {
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echo "TEST: ${FUNCNAME[0]}"
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local linux_command_pod
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linux_command_pod="$(get_linux_command_pod_name)"
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local service="heapster"
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local service="metrics-server"
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local service_ip
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service_ip=$($kubectl get service --namespace kube-system $service \
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-o jsonpath='{.spec.clusterIP}')
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@ -483,8 +483,8 @@ function test_linux_pod_to_k8s_service {
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-o jsonpath='{.spec.ports[?(@.protocol=="TCP")].port}')
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echo "curl-ing $service address from Linux pod: $service_ip:$service_port"
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# curl-ing the heapster service results in an expected 404 response code. The
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# curl command does not set a failure return code in this case.
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# curl-ing the metrics-server service downloads 14 bytes of unprintable binary
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# data and sets a return code of success (0).
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if ! $kubectl exec "$linux_command_pod" -- \
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curl -m 20 "http://$service_ip:$service_port" &> $output_file; then
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cleanup_deployments
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@ -547,26 +547,12 @@ function test_windows_pod_to_internet {
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echo "TEST: ${FUNCNAME[0]}"
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local windows_command_pod
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windows_command_pod="$(get_windows_command_pod_name)"
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local internet_ip="8.8.8.8"
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# A stable (hopefully) HTTP server provided by Cloudflare. If this ever stops
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# working, we can request from 8.8.8.8 (Google DNS) using https instead.
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local internet_ip="1.1.1.1"
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# This snippet tests Internet connectivity without depending on DNS by
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# attempting to curl Google's well-known DNS IP, 8.8.8.8. On success we expect
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# to get back a 404 status code; on failure the response object will have a
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# status code of 0 or some other HTTP code.
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if ! $kubectl exec "$windows_command_pod" -- powershell.exe \
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"\$response = try { \`
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(curl -UseBasicParsing http://$internet_ip \`
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-ErrorAction Stop).BaseResponse \`
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} catch [System.Net.WebException] { \`
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\$_.Exception.Response \`
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}; \`
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\$statusCodeInt = [int]\$response.StatusCode; \`
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if (\$statusCodeInt -eq 404) { \`
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exit 0 \`
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} else { \`
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Write-Host \"curl $internet_ip got unexpected status code \$statusCodeInt\"
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exit 1 \`
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}" > $output_file; then
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"curl -UseBasicParsing http://$internet_ip" > $output_file; then
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cleanup_deployments
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echo "Failing output: $(cat $output_file)"
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echo "FAILED: ${FUNCNAME[0]}"
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@ -578,7 +564,7 @@ function test_windows_pod_to_k8s_service {
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echo "TEST: ${FUNCNAME[0]}"
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local windows_command_pod
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windows_command_pod="$(get_windows_command_pod_name)"
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local service="heapster"
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local service="metrics-server"
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local service_ip
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service_ip=$($kubectl get service --namespace kube-system $service \
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-o jsonpath='{.spec.clusterIP}')
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@ -588,21 +574,25 @@ function test_windows_pod_to_k8s_service {
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local service_address="$service_ip:$service_port"
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echo "curl-ing $service address from Windows pod: $service_address"
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# Performing a web request to the heapster service results in an expected 404
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# response; this code snippet filters out the expected 404 from other status
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# codes that indicate failure.
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# curl-ing the metrics-server service results in a ServerProtocolViolation
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# ("The server committed a protocol violation. Section=ResponseStatusLine")
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# exception. Since we don't care about what the metrics-server actually gives
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# back to us, just that we can reach it, we check that we get the expected
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# exception code and not some other exception code.
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# TODO: it might be less fragile to check that we don't get the "Unable to
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# connect to the remote server" exception code (2) instead of specifically
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# expecting the protocol-violation exception code (11).
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if ! $kubectl exec "$windows_command_pod" -- powershell.exe \
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"\$response = try { \`
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(curl -UseBasicParsing http://$service_address \`
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-ErrorAction Stop).BaseResponse \`
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"\$result = try { \`
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curl -UseBasicParsing http://$service_address -ErrorAction Stop \`
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} catch [System.Net.WebException] { \`
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\$_.Exception.Response \`
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\$_ \`
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}; \`
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\$statusCodeInt = [int]\$response.StatusCode; \`
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if (\$statusCodeInt -eq 404) { \`
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if ([int]\$result.Exception.Status -eq 11) { \`
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Write-Host \"curl $service_address got expected exception\"
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exit 0 \`
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} else { \`
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Write-Host \"curl $service_address got unexpected status code \$statusCodeInt\"
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Write-Host \"curl $service_address got unexpected result/exception: \$result\"
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exit 1 \`
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}" > $output_file; then
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cleanup_deployments
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