adding labels design doc

Fix serviceaccount error

remove logcli config part

Signed-off-by: Xiang Dai <764524258@qq.com>

Signed-off-by: Steven Sheehy <ssheehy@firescope.com>

Fixing lagging alert to also catch when the read_bytes is past the end of the file.
Adding an alert to let us know if we are missing tailing of any files.

Update logcli doc

Signed-off-by: Xiang Dai <764524258@qq.com>

Since kinpin.v2 not support use config like this, remove them.

Signed-off-by: Xiang Dai <764524258@qq.com>

Add health check

Signed-off-by: Xiang Dai <764524258@qq.com>

Signed-off-by: Xiang Dai <764524258@qq.com>

Signed-off-by: Xiang Dai <764524258@qq.com>

Change hpcloud tailer library to poll mode to workaround bugs in the event driven code within the library
Had to rework tests with some waits for messages because polling is slower
There are several longer sleeps in the promtail_test which are not ideal and have been marked with FIXME to remove once we have a better solution

Add help about how to get metrics

Added a flag --no-labels to skip printing labels in the output from l…

Add comment about external_labels

docs: link to grafana documentation for loki provisioning

add miss promtail client config option

Signed-off-by: Xiang Dai <764524258@qq.com>

Signed-off-by: Xiang Dai <764524258@qq.com>

Signed-off-by: Tom Wilkie <tom.wilkie@gmail.com>

Signed-off-by: Xiang Dai <764524258@qq.com>

Signed-off-by: Xiang Dai <764524258@qq.com>

Fix helm

Helm: Custom promtail configuration

Dropping liveness/readiness probe from promtail helm template as there is not health checks currently.. Can add back once something exist and we can do so without if statements..