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Fix for failing Nginx tests #343

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merged 1 commit into from
Jul 15, 2024
Merged

Fix for failing Nginx tests #343

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29 changes: 21 additions & 8 deletions nginx/tests/ServiceLogsClientIp/build.gradle.kts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ import java.io.ByteArrayOutputStream

tasks.named<DockerComposeUp>("test") {
doLast {
// get the docker logs from our nginx service
// Get the docker logs from our nginx service.
val outputStream = ByteArrayOutputStream()
project.exec {
commandLine = baseArguments + listOf("logs")
Expand All @@ -12,15 +12,28 @@ tasks.named<DockerComposeUp>("test") {
}
val output = outputStream.toString()

// see if the log has a match for the IP we set in the test.sh cURL -H command
val pattern = "nginx-1 | 1.2.3.4"
val matchingLines = output.lines().filter { line ->
line.startsWith(pattern)
// See if the log has a match for the IP we set in the test.sh cURL -H command
// Output is expected for follow the log_format specified in:
//
// nginx/rootfs/etc/confd/templates/nginx.conf.tmpl
//
// Which is:
// log_format main '$remote_addr - $remote_user [$time_local] "$request" '
// '$status $body_bytes_sent "$http_referer" '
// '"$http_user_agent" "$http_x_forwarded_for"';
//
// A literal example:
//
// ::1 - - [14/Jul/2024:11:26:36 +0000] "GET / HTTP/1.1" 404 146 "-" "curl/8.5.0" "1.2.3.4"
val logEntryPattern = """::1 - - \[\d{2}/[A-Za-z]{3}/\d{4}:\d{2}:\d{2}:\d{2} \+\d{4}\] "GET / HTTP/1\.1" \d{3} \d+ "-" "curl/\d+\.\d+\.\d+" "(?<ip>\d+\.\d+\.\d+\.\d+)"""".toRegex()

val found = output.lines().any { logEntry ->
logEntryPattern.find(logEntry)?.groups?.get("ip")?.value == "1.2.3.4"
}

// fail the test if we didn't find any logs with the IP
if (matchingLines.isEmpty()) {
throw GradleException("No lines found starting with '$pattern'")
// Fail the test if we didn't find any logs with the IP.
if (!found) {
throw GradleException("No log entry found where http_x_forwarded_for is set to 1.2.3.4")
}
}
}
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