* Lazy load chunks for queries.

Signed-off-by: Goutham Veeramachaneni <gouthamve@gmail.com>

* Add context to the lazy chunk calls

Signed-off-by: Goutham Veeramachaneni <gouthamve@gmail.com>

* Make sure labels are plumbed through

Signed-off-by: Goutham Veeramachaneni <gouthamve@gmail.com>

* Pre-load non-overlapping chunk iterators

Signed-off-by: Goutham Veeramachaneni <gouthamve@gmail.com>

* Review feedback

Signed-off-by: Goutham Veeramachaneni <gouthamve@gmail.com>

* Added example of usage API on Python

* fix link

Update helm docs

Helm: Allow custom loki config

create and update promtail-examples.md

Added option that loki service run as nodeport

Update troubleshooting doc

Changes to the library move the handling of symlinks and re-opening to the tail library.
fsnotify events are only used now to start new tailers for files not previously seen.

Add note about auth_enabled

Signed-off-by: ialidzhikov <i.alidjikov@gmail.com>

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

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

* Move live log tailing behind websocket on server

Live log tailing now requires client to just open a websocket and keep listening to it for getting live logs for matching query

* Fixed linting errors

* Unexported tailQuery querier method

* Added a delay in querying of logs to not miss delayed entries

* Renamed variable for better readability

* Some code refactoring suggested in PR review

* Fixed linter errors

* Code refactoring requested in PR review

* Disabling linting for writeHTTPErrorResponse since same value for an input is being passed from all function calls for now

* Removed a function which already existed

* Improved printing of log entries using cli and some other code refactoring

* Checking no-labels flag before printing log stream while tailing

Added option that loki service run as nodeport

rewrite exist example, and add more examples with descriptions

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

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

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

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

Remove useless func

No one called this func, keep it only mislead.

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

include all lifecycler ring config

Create promtail-examples.md

simple configs and description

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

Fix missing volume after refactor

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

TestClient used for watching log file events appends logs to a list
Due to race condition some of the logs added to it goes missing
Adding a Mutex to it to lock messages before adding logs to it

Add link to chunk format doc

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

Add help info for users uses high k8s version