Logs for the probe:
time=2026-03-21T18:56:46.261Z level=ERROR source=http.go:147 msg="Missing required header" module=http_plevako_auth target=https://api.plevako.ai/accounts/sign-in/ header=Set-Cookie
time=2026-03-21T18:56:46.261Z level=ERROR source=handler.go:130 msg="Probe failed" module=http_plevako_auth target=https://api.plevako.ai/accounts/sign-in/ duration_seconds=0.74106146



Metrics that would have been returned:
# HELP probe_dns_lookup_time_seconds Returns the time taken for probe dns lookup in seconds
# TYPE probe_dns_lookup_time_seconds gauge
probe_dns_lookup_time_seconds 0.001667324
# HELP probe_duration_seconds Returns how long the probe took to complete in seconds
# TYPE probe_duration_seconds gauge
probe_duration_seconds 0.74106146
# HELP probe_failed_due_to_regex Indicates if probe failed due to regex
# TYPE probe_failed_due_to_regex gauge
probe_failed_due_to_regex 1
# HELP probe_http_content_length Length of http content response
# TYPE probe_http_content_length gauge
probe_http_content_length 554
# HELP probe_http_duration_seconds Duration of http request by phase, summed over all redirects
# TYPE probe_http_duration_seconds gauge
probe_http_duration_seconds{phase="connect"} 0.017852448
probe_http_duration_seconds{phase="processing"} 0.690639225
probe_http_duration_seconds{phase="resolve"} 0.001667324
probe_http_duration_seconds{phase="tls"} 0.029410212
probe_http_duration_seconds{phase="transfer"} 0.000726823
# HELP probe_http_redirects The number of redirects
# TYPE probe_http_redirects gauge
probe_http_redirects 0
# HELP probe_http_ssl Indicates if SSL was used for the final redirect
# TYPE probe_http_ssl gauge
probe_http_ssl 1
# HELP probe_http_status_code Response HTTP status code
# TYPE probe_http_status_code gauge
probe_http_status_code 200
# HELP probe_http_uncompressed_body_length Length of uncompressed response body
# TYPE probe_http_uncompressed_body_length gauge
probe_http_uncompressed_body_length 554
# HELP probe_http_version Returns the version of HTTP of the probe response
# TYPE probe_http_version gauge
probe_http_version 2
# HELP probe_ip_addr_hash Specifies the hash of IP address. It's useful to detect if the IP address changes.
# TYPE probe_ip_addr_hash gauge
probe_ip_addr_hash 4.122227923e+09
# HELP probe_ip_protocol Specifies whether probe ip protocol is IP4 or IP6
# TYPE probe_ip_protocol gauge
probe_ip_protocol 4
# HELP probe_ssl_earliest_cert_expiry Returns last SSL chain expiry in unixtime
# TYPE probe_ssl_earliest_cert_expiry gauge
probe_ssl_earliest_cert_expiry 1.779440254e+09
# HELP probe_ssl_last_chain_expiry_timestamp_seconds Returns last SSL chain expiry in timestamp
# TYPE probe_ssl_last_chain_expiry_timestamp_seconds gauge
probe_ssl_last_chain_expiry_timestamp_seconds 1.779440254e+09
# HELP probe_ssl_last_chain_info Contains SSL leaf certificate information
# TYPE probe_ssl_last_chain_info gauge
probe_ssl_last_chain_info{fingerprint_sha256="260b7157efc03838b8b2b5d42a5e894924a87321767e1697d2649909290653f7",issuer="CN=R13,O=Let's Encrypt,C=US",serialnumber="05b26b9a51c534d9b1d40584bbaee151e380",subject="CN=api.plevako.ai",subjectalternative="api.plevako.ai"} 1
# HELP probe_success Displays whether or not the probe was a success
# TYPE probe_success gauge
probe_success 0
# HELP probe_tls_cipher_info Returns the TLS cipher negotiated during handshake
# TYPE probe_tls_cipher_info gauge
probe_tls_cipher_info{cipher="TLS_AES_256_GCM_SHA384"} 1
# HELP probe_tls_version_info Returns the TLS version used or NaN when unknown
# TYPE probe_tls_version_info gauge
probe_tls_version_info{version="TLS 1.3"} 1



Module configuration:
prober: http
timeout: 15s
http:
  valid_status_codes:
  - 200
  valid_http_versions:
  - HTTP/1.1
  - HTTP/2.0
  preferred_ip_protocol: ip4
  ip_protocol_fallback: true
  fail_if_not_ssl: true
  method: POST
  headers:
    Content-Type: application/json
  fail_if_body_not_matches_regexp:
  - '"status":\s*"success"'
  fail_if_header_not_matches:
  - header: Set-Cookie
    regexp: refresh_token=.*
  body: '{"email":"mosa.vlad@ya.ru","password":"wHvBc3uKxb3kySR67s7Vscg9Vz765V","fingerprint":"blackbox-monitoring"}'
  follow_redirects: true
  enable_http2: true
tcp:
  ip_protocol_fallback: true
icmp:
  ip_protocol_fallback: true
  ttl: 64
dns:
  ip_protocol_fallback: true
  recursion_desired: true