[chore] update gensemconv to use .tools (#9055)

Also updating documentation to specify the semantic-conventions
repository instead of the spec repo.

Signed-off-by: Alex Boten <aboten@lightstep.com>

Makefile

@@ -227,13 +227,13 @@ genpdata:
 	$(MAKE) fmt
 
 # Generate semantic convention constants. Requires a clone of the opentelemetry-specification repo
-gensemconv:
+gensemconv: $(SEMCONVGEN)
 	@[ "${SPECPATH}" ] || ( echo ">> env var SPECPATH is not set"; exit 1 )
 	@[ "${SPECTAG}" ] || ( echo ">> env var SPECTAG is not set"; exit 1 )
 	@echo "Generating semantic convention constants from specification version ${SPECTAG} at ${SPECPATH}"
-	semconvgen -o semconv/${SPECTAG} -t semconv/template.j2 -s ${SPECTAG} -i ${SPECPATH}/semantic_conventions/. --only=resource -p conventionType=resource -f generated_resource.go
-	semconvgen -o semconv/${SPECTAG} -t semconv/template.j2 -s ${SPECTAG} -i ${SPECPATH}/semantic_conventions/. --only=event -p conventionType=event -f generated_event.go
-	semconvgen -o semconv/${SPECTAG} -t semconv/template.j2 -s ${SPECTAG} -i ${SPECPATH}/semantic_conventions/. --only=span -p conventionType=trace -f generated_trace.go
+	$(SEMCONVGEN) -o semconv/${SPECTAG} -t semconv/template.j2 -s ${SPECTAG} -i ${SPECPATH}/model/. --only=resource -p conventionType=resource -f generated_resource.go
+	$(SEMCONVGEN) -o semconv/${SPECTAG} -t semconv/template.j2 -s ${SPECTAG} -i ${SPECPATH}/model/. --only=event -p conventionType=event -f generated_event.go
+	$(SEMCONVGEN) -o semconv/${SPECTAG} -t semconv/template.j2 -s ${SPECTAG} -i ${SPECPATH}/model/. --only=span -p conventionType=trace -f generated_trace.go
 
 # Checks that the HEAD of the contrib repo checked out in CONTRIB_PATH compiles
 # against the current version of this repo.

Makefile.Common

@@ -31,6 +31,7 @@ IMPI         := $(TOOLS_BIN_DIR)/impi
 MISSPELL     := $(TOOLS_BIN_DIR)/misspell
 MULTIMOD     := $(TOOLS_BIN_DIR)/multimod
 PORTO        := $(TOOLS_BIN_DIR)/porto
+SEMCONVGEN   := $(TOOLS_BIN_DIR)/semconvgen
 YQ           := $(TOOLS_BIN_DIR)/yq
 
 .PHONY: install-tools

semconv/README.md

@@ -6,14 +6,15 @@ from definitions in the specification.
 ## Generation
 
 To generate the constants you can use the `gensemconv` make target. You must provide the path to the root of a clone of
-the `opentelemetry-specification` repository in the `SPECPATH` variable and the version of the conventions to generate
+the `semantic-conventions` repository in the `SPECPATH` variable and the version of the conventions to generate
 in the `SPECTAG` variable.
 
 ```console
-$ make gensemconv SPECPATH=~/dev/opentelemetry-specification SPECTAG=v1.5.0
-Generating semantic convention constants from specification version v1.5.0 at ~/dev/opentelemetry-specification
-semconvgen -o semconv/v1.5.0 -t semconv/template.j2 -s v1.5.0 -i ~/dev/opentelemetry-specification/semantic_conventions/resource -p conventionType=resource
-semconvgen -o semconv/v1.5.0 -t semconv/template.j2 -s v1.5.0 -i ~/dev/opentelemetry-specification/semantic_conventions/trace -p conventionType=trace
+$ make gensemconv SPECPATH=/tmp/semantic-conventions SPECTAG=v1.22.0
+Generating semantic convention constants from specification version v1.22.0 at /tmp/semantic-conventions
+.tools/semconvgen -o semconv/v1.22.0 -t semconv/template.j2 -s v1.22.0 -i /tmp/semantic-conventions/model/. --only=resource -p conventionType=resource -f generated_resource.go
+.tools/semconvgen -o semconv/v1.22.0 -t semconv/template.j2 -s v1.22.0 -i /tmp/semantic-conventions/model/. --only=event -p conventionType=event -f generated_event.go
+.tools/semconvgen -o semconv/v1.22.0 -t semconv/template.j2 -s v1.22.0 -i /tmp/semantic-conventions/model/. --only=span -p conventionType=trace -f generated_trace.go
 ```
 
 When generating the constants for a new version ot the specification it is important to note that only