403 lines
14 KiB
Perl
403 lines
14 KiB
Perl
#!/usr/bin/perl
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# (C) Nginx, Inc.
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# Tests for OTel exporter in case HTTP using otelcol.
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###############################################################################
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use warnings;
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use strict;
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use Test::More;
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BEGIN { use FindBin; chdir($FindBin::Bin); }
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use Test::Nginx;
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###############################################################################
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select STDERR; $| = 1;
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select STDOUT; $| = 1;
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plan(skip_all => "depends on logs content") unless $ENV{TEST_NGINX_UNSAFE};
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eval { require JSON::PP; };
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plan(skip_all => "JSON::PP not installed") if $@;
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my $t = Test::Nginx->new()->has(qw/http http_ssl rewrite/)
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->write_file_expand('nginx.conf', <<'EOF');
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%%TEST_GLOBALS%%
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daemon off;
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events {
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}
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http {
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%%TEST_GLOBALS_HTTP%%
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ssl_certificate_key localhost.key;
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ssl_certificate localhost.crt;
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otel_exporter {
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endpoint 127.0.0.1:%%PORT_4317%%;
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interval 1s;
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batch_size 10;
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batch_count 2;
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}
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otel_service_name test_server;
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otel_trace on;
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server {
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listen 127.0.0.1:8080;
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listen 127.0.0.1:8081 ssl;
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server_name localhost;
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location /trace-on {
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otel_trace_context extract;
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otel_span_name default_location;
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otel_span_attr http.request.header.completion
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$request_completion;
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otel_span_attr http.response.header.content.type
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$sent_http_content_type;
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otel_span_attr http.request $request;
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add_header "X-Otel-Trace-Id" $otel_trace_id;
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add_header "X-Otel-Span-Id" $otel_span_id;
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add_header "X-Otel-Parent-Id" $otel_parent_id;
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add_header "X-Otel-Parent-Sampled" $otel_parent_sampled;
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return 200 "TRACE-ON";
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}
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location /context-ignore {
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otel_trace_context ignore;
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otel_span_name context_ignore;
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add_header "X-Otel-Parent-Id" $otel_parent_id;
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proxy_pass http://localhost:8080/trace-off;
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}
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location /context-extract {
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otel_trace_context extract;
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otel_span_name context_extract;
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add_header "X-Otel-Parent-Id" $otel_parent_id;
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proxy_pass http://localhost:8080/trace-off;
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}
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location /context-inject {
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otel_trace_context inject;
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otel_span_name context_inject;
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add_header "X-Otel-Parent-Id" $otel_parent_id;
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proxy_pass http://localhost:8080/trace-off;
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}
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location /context-propagate {
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otel_trace_context propagate;
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otel_span_name context_propogate;
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add_header "X-Otel-Parent-Id" $otel_parent_id;
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proxy_pass http://localhost:8080/trace-off;
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}
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location /trace-off {
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otel_trace off;
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add_header "X-Otel-Traceparent" $http_traceparent;
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add_header "X-Otel-Tracestate" $http_tracestate;
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return 200 "TRACE-OFF";
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}
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}
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}
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EOF
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$t->write_file_expand('otel-config.yaml', <<EOF);
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receivers:
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otlp:
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protocols:
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grpc:
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endpoint: 127.0.0.1:%%PORT_4317%%
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exporters:
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logging:
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loglevel: debug
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file:
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path: ${\ $t->testdir() }/otel.json
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service:
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pipelines:
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traces:
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receivers: [otlp]
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exporters: [logging, file]
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metrics:
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receivers: [otlp]
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exporters: [logging, file]
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EOF
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$t->write_file('openssl.conf', <<'EOF');
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[ req ]
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default_bits = 2048
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encrypt_key = no
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distinguished_name = req_distinguished_name
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[ req_distinguished_name ]
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EOF
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my $d = $t->testdir();
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foreach my $name ('localhost') {
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system('openssl req -x509 -new '
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. "-config $d/openssl.conf -subj /CN=$name/ "
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. "-out $d/$name.crt -keyout $d/$name.key "
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. ">>$d/openssl.out 2>&1") == 0
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or die "Can't create certificate for $name: $!\n";
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}
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#suppress otel collector output
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open OLDERR, ">&", \*STDERR;
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open STDERR, ">>" , $^O eq 'MSWin32' ? 'nul' : '/dev/null';
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$t->run_daemon('../otelcol', '--config', $t->testdir().'/otel-config.yaml');
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open STDERR, ">&", \*OLDERR;
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$t->waitforsocket('127.0.0.1:' . port(4317)) or
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die 'No otel collector open socket';
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$t->try_run('no OTel module')->plan(69);
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###############################################################################
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#do requests
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my $t_off_resp = http1_get('/trace-off');
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#batch0 (10 requests)
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my $tp_resp = http1_get('/trace-on', trace_headers => 1);
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my $t_resp = http1_get('/trace-on', port => 8081, ssl => 1);
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my $t_resp_ignore = http1_get('/context-ignore');
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my $tp_resp_ignore = http1_get('/context-ignore', trace_headers => 1);
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my $t_resp_extract = http1_get('/context-extract');
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my $tp_resp_extract = http1_get('/context-extract', trace_headers => 1);
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my $t_resp_inject = http1_get('/context-inject');
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my $tp_resp_inject = http1_get('/context-inject', trace_headers => 1);
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my $t_resp_propagate = http1_get('/context-propagate');
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my $tp_resp_propagate = http1_get('/context-propagate', trace_headers => 1);
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#batch1 (5 reqeusts)
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http1_get('/trace-on') for (1..5);
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#waiting batch1 is sent to collector for 1s
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select undef, undef, undef, 1;
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my @batches = split /\n/, $t->read_file('otel.json');
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my $batch_json = JSON::PP::decode_json($batches[0]);
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my $spans = $$batch_json{"resourceSpans"}[0]{"scopeSpans"}[0]{"spans"};
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#validate responses
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like($tp_resp, qr/TRACE-ON/, 'http request1 - trace on');
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like($t_resp, qr/TRACE-ON/, 'http request2 - trace on');
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like($t_off_resp, qr/TRACE-OFF/, 'http request - trace off');
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#validate amount of batches
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is(scalar @batches, 2, 'amount of batches - trace on');
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#validate batch size
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is(scalar @{$spans}, 10, 'batch0 size - trace on');
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is(scalar @{${JSON::PP::decode_json($batches[1])}{"resourceSpans"}[0]
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{"scopeSpans"}[0]{"spans"}}, 5, 'batch1 size - trace on');
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#validate general attributes
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is(get_attr("service.name", "stringValue",
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$$batch_json{resourceSpans}[0]{resource}),
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'test_server', 'service.name - trace on');
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is($$spans[0]{name}, 'default_location', 'span.name - trace on');
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#validate http metrics
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is(get_attr("http.method", "stringValue", $$spans[0]), 'GET',
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'http.method metric - trace on');
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is(get_attr("http.target", "stringValue", $$spans[0]), '/trace-on',
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'http.target metric - trace on');
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is(get_attr("http.route", "stringValue", $$spans[0]), '/trace-on',
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'http.route metric - trace on');
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is(get_attr("http.scheme", "stringValue", $$spans[0]), 'http',
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'http.scheme metric - trace on');
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is(get_attr("http.flavor", "stringValue", $$spans[0]), '1.0',
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'http.flavor metric - trace on');
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is(get_attr("http.user_agent", "stringValue", $$spans[0]), 'nginx-tests',
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'http.user_agent metric - trace on');
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is(get_attr("http.request_content_length", "intValue", $$spans[0]), 0,
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'http.request_content_length metric - trace on');
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is(get_attr("http.response_content_length", "intValue", $$spans[0]), 8,
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'http.response_content_length metric - trace on');
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is(get_attr("http.status_code", "intValue", $$spans[0]), 200,
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'http.status_code metric - trace on');
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is(get_attr("net.host.name", "stringValue", $$spans[0]), 'localhost',
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'net.host.name metric - trace on');
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is(get_attr("net.host.port", "intValue", $$spans[0]), 8080,
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'net.host.port metric - trace on');
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is(get_attr("net.sock.peer.addr", "stringValue", $$spans[0]), '127.0.0.1',
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'net.sock.peer.addr metric - trace on');
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like(get_attr("net.sock.peer.port", "intValue", $$spans[0]), qr/\d+/,
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'net.sock.peer.port metric - trace on');
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#validate custom http metrics
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is(${get_attr("http.request.header.completion", "arrayValue", $$spans[0])}
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{values}[0]{stringValue}, 'OK',
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'http.request.header.completion metric - trace on');
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is(${get_attr("http.response.header.content.type", "arrayValue",$$spans[0])}
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{values}[0]{stringValue}, 'text/plain',
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'http.response.header.content.type metric - trace on');
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is(get_attr("http.request", "stringValue", $$spans[0]),
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'GET /trace-on HTTP/1.0', 'http.request metric - trace on');
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#validate https metrics
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is(get_attr("http.method", "stringValue", $$spans[1]), 'GET',
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'http.method metric - trace on (https)');
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is(get_attr("http.target", "stringValue", $$spans[1]), '/trace-on',
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'http.target metric - trace on (https)');
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is(get_attr("http.route", "stringValue", $$spans[1]), '/trace-on',
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'http.route metric - trace on (https)');
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is(get_attr("http.scheme", "stringValue", $$spans[1]), 'https',
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'http.scheme metric - trace on (https)');
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is(get_attr("http.flavor", "stringValue", $$spans[1]), '1.0',
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'http.flavor metric - trace on (https)');
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is(get_attr("http.user_agent", "stringValue", $$spans[1]), 'nginx-tests',
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'http.user_agent metric - trace on (https)');
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is(get_attr("http.request_content_length", "intValue", $$spans[1]), 0,
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'http.request_content_length metric - trace on (https)');
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is(get_attr("http.response_content_length", "intValue", $$spans[1]), 8,
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'http.response_content_length metric - trace on (https)');
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is(get_attr("http.status_code", "intValue", $$spans[1]), 200,
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'http.status_code metric - trace on (https)');
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is(get_attr("net.host.name", "stringValue", $$spans[1]), 'localhost',
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'net.host.name metric - trace on (https)');
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is(get_attr("net.host.port", "intValue", $$spans[1]), 8081,
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'net.host.port metric - trace on (https)');
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is(get_attr("net.sock.peer.addr", "stringValue", $$spans[1]), '127.0.0.1',
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'net.sock.peer.addr metric - trace on (https)');
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like(get_attr("net.sock.peer.port", "intValue", $$spans[1]), qr/\d+/,
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'net.sock.peer.port metric - trace on (https)');
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#extract trace info
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is($$spans[0]{parentSpanId}, 'b9c7c989f97918e1', 'traceparent - trace on');
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is($$spans[0]{traceState}, 'congo=ucfJifl5GOE,rojo=00f067aa0ba902b7',
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'tracestate - trace on');
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is($$spans[1]{parentSpanId}, '', 'no traceparent - trace on');
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is($$spans[1]{traceState}, undef, 'no tracestate - trace on');
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#variables
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like($tp_resp, qr/X-Otel-Trace-Id: $$spans[0]{traceId}/,
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'$otel_trace_id variable - trace on');
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like($tp_resp, qr/X-Otel-Span-Id: $$spans[0]{spanId}/,
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'$otel_span_id variable - trace on');
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like($tp_resp, qr/X-Otel-Parent-Id: $$spans[0]{parentSpanId}/,
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'$otel_parent_id variable - trace on');
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like($tp_resp, qr/X-Otel-Parent-Sampled: 1/,
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'$otel_parent_sampled variable - trace on');
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like($t_resp, qr/X-Otel-Parent-Sampled: 0/,
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'$otel_parent_sampled variable - trace on (no traceparent header)');
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#trace off
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unlike($batches[0].$batches[1],
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qr/\Q{"key":"http.target","value":{"stringValue":"\/trace-off"}}\E/,
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'no metrics - trace off');
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#trace context: ignore
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unlike($t_resp_ignore, qr/X-Otel-Traceparent/,
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'no traceparent - trace context ignore (no trace headers)');
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unlike($t_resp_ignore, qr/X-Otel-Tracestate/,
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'no tracestate - trace context ignore (no trace headers)');
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unlike($tp_resp_ignore, qr/X-Otel-Parent-Id/,
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'no parent span id - trace context ignore (trace headers)');
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like($tp_resp_ignore,
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qr/Traceparent: 00-0af7651916cd43dd8448eb211c80319c-b9c7c989f97918e1-01/,
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'traceparent - trace context ignore (trace headers)');
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like($tp_resp_ignore,
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qr/Tracestate: congo=ucfJifl5GOE,rojo=00f067aa0ba902b7/,
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'tracestate - trace context ignore (trace headers)');
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#trace context: extract
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unlike($t_resp_extract, qr/X-Otel-Traceparent/,
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'no traceparent - trace context extract (no trace headers)');
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unlike($t_resp_extract, qr/X-Otel-Tracestate/,
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'no tracestate - trace context extract (no trace headers)');
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like($tp_resp_extract, qr/X-Otel-Parent-Id: b9c7c989f97918e1/,
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'parent span id - trace context extract (trace headers)');
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like($tp_resp_extract,
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qr/Traceparent: 00-0af7651916cd43dd8448eb211c80319c-b9c7c989f97918e1-01/,
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'traceparent - trace context extract (trace headers)');
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like($tp_resp_extract,
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qr/Tracestate: congo=ucfJifl5GOE,rojo=00f067aa0ba902b7/,
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'tracestate - trace context extract (trace headers)');
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#trace context: inject
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like($t_resp_inject,
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qr/X-Otel-Traceparent: 00-$$spans[6]{traceId}-$$spans[6]{spanId}-01/,
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'traceparent - trace context inject (no trace headers)');
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unlike($t_resp_inject, qr/X-Otel-Tracestate/,
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'no tracestate - trace context inject (no trace headers)');
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unlike($tp_resp_inject, qr/X-Otel-Parent-Id/,
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'no parent span id - trace context inject (trace headers)');
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like($tp_resp_inject,
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qr/Traceparent: 00-$$spans[7]{traceId}-$$spans[7]{spanId}-01/,
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'traceparent - trace context inject (trace headers)');
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unlike($tp_resp_inject, qr/Tracestate:/,
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'no tracestate - trace context inject (trace headers)');
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#trace context: propagate
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like($t_resp_propagate,
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qr/X-Otel-Traceparent: 00-$$spans[8]{traceId}-$$spans[8]{spanId}-01/,
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'traceparent - trace context propagate (no trace headers)');
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unlike($t_resp_propagate, qr/X-Otel-Tracestate/,
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'no tracestate - trace context propagate (no trace headers)');
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like($tp_resp_propagate, qr/X-Otel-Parent-Id: b9c7c989f97918e1/,
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'parent id - trace context propagate (trace headers)');
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like($tp_resp_propagate,
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qr/Traceparent: 00-0af7651916cd43dd8448eb211c80319c-$$spans[9]{spanId}-01/,
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'traceparent - trace context propagate (trace headers)');
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like($tp_resp_propagate,
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qr/Tracestate: congo=ucfJifl5GOE,rojo=00f067aa0ba902b7/,
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'tracestate - trace context propagate (trace headers)');
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$t->stop();
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my $log = $t->read_file("error.log");
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unlike($log, qr/OTel\/grpc: Error parsing metadata: error=invalid value/,
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'log: no error parsing metadata');
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unlike($log, qr/OTel export failure: No status received/,
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'log: no export failure');
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###############################################################################
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sub http1_get {
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my ($path, %extra) = @_;
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my $port = $extra{port} || 8080;
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my $r = <<EOF;
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GET $path HTTP/1.0
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Host: localhost
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User-agent: nginx-tests
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EOF
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$r .= <<EOF if $extra{trace_headers};
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Traceparent: 00-0af7651916cd43dd8448eb211c80319c-b9c7c989f97918e1-01
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Tracestate: congo=ucfJifl5GOE,rojo=00f067aa0ba902b7
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EOF
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return http($r . "\n", PeerAddr => '127.0.0.1:' . port($port),
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SSL => $extra{ssl});
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}
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sub get_attr {
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my($attr, $type, $obj) = @_;
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my ($res) = grep { $$_{"key"} eq $attr } @{$$obj{"attributes"}};
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return defined $res ? $res->{"value"}{$type} : undef;
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}
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###############################################################################
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