Cleanup jaeger backend from devstack and examples

Jaeger native backend was replaced witrh OTLP and removed in [1]

Though devstack and some option references remained as is,
which could confuse users.

[1] https://review.opendev.org/c/openstack/osprofiler/+/952373

Change-Id: I9f47b9fe5a4791d170a740a228b9cac5a5936e58
Signed-off-by: Dmitriy Rabotyagov <dmitriy.rabotyagov@cleura.com>

devstack/README.rst

@@ -16,7 +16,7 @@ that control this:
 
   * ``<empty>`` - default messaging driver is used
   * ``redis`` - Redis is installed
-  * ``jaeger`` - Jaeger is installed
+  * ``otlp`` - Jaeger is installed
   * ``sqlalchemy`` - SQLAlchemy driver is installed
 
   The default value of ``OSPROFILER_CONNECTION_STRING`` is set automatically
@@ -31,7 +31,7 @@ that control this:
   * ``elasticsearch://host:port`` - use Elasticsearch as trace storage
   * ``mongodb://host:port`` - use MongoDB as trace storage
   * ``loginsight://username:password@host`` - use LogInsight as trace collector/storage
-  * ``jaeger://host:port`` - use Jaeger as trace collector
+  * ``otlp://host:port`` - use OTLP as trace collector
   * ``mysql+pymysql://username:password@host/profiler?charset=utf8`` - use SQLAlchemy driver with MySQL database
 
 

devstack/lib/osprofiler

@@ -69,11 +69,6 @@ function install_jaeger_backend() {
     fi
 }
 
-function install_jaeger() {
-    install_jaeger_backend
-    pip_install jaeger-client
-}
-
 function install_otlp() {
     # For OTLP we use Jaeger backend but any OTLP compatible backend
     # can be used.
@@ -81,7 +76,7 @@ function install_otlp() {
     pip_install opentelemetry-sdk opentelemetry-exporter-otlp
 }
 
-function drop_jaeger() {
+function drop_jaeger_backend() {
     sg docker -c 'docker rm jaeger --force'
 }
 
@@ -119,9 +114,6 @@ function install_osprofiler_collector() {
     elif [ "$OSPROFILER_COLLECTOR" == "redis" ]; then
         install_redis
         OSPROFILER_CONNECTION_STRING=${OSPROFILER_CONNECTION_STRING:-"redis://localhost:6379"}
-    elif [ "$OSPROFILER_COLLECTOR" == "jaeger" ]; then
-        install_jaeger
-        OSPROFILER_CONNECTION_STRING=${OSPROFILER_CONNECTION_STRING:-"jaeger://localhost:6831"}
     elif [ "$OSPROFILER_COLLECTOR" == "otlp" ]; then
         install_otlp
         OSPROFILER_CONNECTION_STRING=${OSPROFILER_CONNECTION_STRING:-"otlp://localhost:4318"}

devstack/plugin.sh

@@ -20,10 +20,9 @@ elif [[ "$1" == "stack" && "$2" == "test-config" ]]; then
     configure_osprofiler_in_tempest
 
 elif [[ "$1" == "unstack" ]]; then
-    if [[ "$OSPROFILER_COLLECTOR" == "jaeger" || \
-            "$OSPROFILER_COLLECTOR" == "otlp" ]]; then
+    if [[ "$OSPROFILER_COLLECTOR" == "otlp" ]]; then
         echo_summary "Deleting jaeger docker container"
-        drop_jaeger
+        drop_jaeger_backend
     fi
 fi
 

doc/source/user/similar_projects.rst

@@ -16,5 +16,5 @@ that are similar (in idea and ideal to OSprofiler).
 .. _Dapper: http://research.google.com/pubs/pub36356.html
 .. _Tomograph: https://github.com/stackforge/tomograph
 .. _HTrace: https://htrace.incubator.apache.org/
-.. _Jaeger: https://uber.github.io/jaeger/
+.. _Jaeger: https://www.jaegertracing.io/
 .. _OpenTracing: https://opentracing.io/

osprofiler/opts.py

@@ -114,7 +114,8 @@ Examples of possible values:
 * ``mongodb://127.0.0.1:27017`` - use mongodb driver for sending spans.
 * ``elasticsearch://127.0.0.1:9200`` - use elasticsearch driver for sending
   spans.
-* ``jaeger://127.0.0.1:6831`` - use jaeger tracing as driver for sending spans.
+* ``otlp://127.0.0.1:4318`` - use OpenTelementry as driver for sending spans
+  to jaeger.
 """)
 
 _es_doc_type_opt = cfg.StrOpt(