Docker Compose(logs): Log Ingestion via Labels

[qclaogui]

Added support for ingesting logs and controlling the behavior of their ingestion through labels.

The following docker compose service labels are supported:

Label	Description
logs.agent.grafana.com/scrape	Allow a service to declare it's logs should be dropped.
logs.agent.grafana.com/tenant	Allow a service to override the tenant for its logs.
logs.agent.grafana.com/log-format	If specified additional processing is performed to extract details based on the specified format. This value can be a comma-delimited list, in the instances a pod may have multiple containers. The following formats are currently supported: common-log donet istio json klog log4j-json logfmt otel postgres python spring-boot syslog zerolog
logs.agent.grafana.com/scrub-level	Boolean whether or not the level should be dropped from the log message (as it is a label).
logs.agent.grafana.com/scrub-timestamp	Boolean whether or not the timestamp should be dropped from the log message (as it is metadata).
logs.agent.grafana.com/scrub-nulls	Boolean whether or not keys with null values should be dropped from json, reducing the size of the log message.
logs.agent.grafana.com/scrub-empties	Boolean whether or not keys with empty values ("", [], {}) should be dropped from json, reducing the size of the log message.
logs.agent.grafana.com/drop-info	Boolean whether or not info messages should be dropped (default is false), but a pod can override this temporarily or permanently.
logs.agent.grafana.com/drop-debug	Boolean whether or not debug messages should be dropped (default is true), but a pod can override this temporarily or permanently.
logs.agent.grafana.com/drop-trace	Boolean whether or not trace messages should be dropped (default is true), but a pod can override this temporarily or permanently.
logs.agent.grafana.com/mask-ssn	Boolean whether or not to mask SSNs in the log line, if true the data will be masked as *SSN*salt*
logs.agent.grafana.com/mask-credit-card	Boolean whether or not to mask credit cards in the log line, if true the data will be masked as *credit-card*salt*
logs.agent.grafana.com/mask-email	Boolean whether or not to mask emails in the log line, if true the data will be masked as*email*salt*
logs.agent.grafana.com/mask-ipv4	Boolean whether or not to mask IPv4 addresses in the log line, if true the data will be masked as*ipv4*salt*
logs.agent.grafana.com/mask-ipv6	Boolean whether or not to mask IPv6 addresses in the log line, if true the data will be masked as *ipv6*salt*
logs.agent.grafana.com/mask-phone	Boolean whether or not to mask phone numbers in the log line, if true the data will be masked as *phone*salt*