Report docker systems in version and user agents (#2136)

Dockerfile

@@ -10,7 +10,7 @@ COPY . .
 # wizard.sh requires GNU coreutils
 RUN apk add --no-cache git gcc libc-dev make bash gettext binutils-gold coreutils && \
     echo "githubciXXXXXXXXXXXXXXXXXXXXXXXX" > /etc/machine-id && \
-    make clean release && \
+    make clean release DOCKER_BUILD=1 && \
     cd crowdsec-v* && \
     ./wizard.sh --docker-mode && \
     cd - >/dev/null && \

Dockerfile.debian

@@ -14,7 +14,7 @@ ENV DEBCONF_NOWARNINGS="yes"
 RUN apt-get update && \
     apt-get install -y -q git gcc libc-dev make bash gettext binutils-gold coreutils tzdata && \
     echo "githubciXXXXXXXXXXXXXXXXXXXXXXXX" > /etc/machine-id && \
-    make clean release && \
+    make clean release DOCKER_BUILD=1 && \
     cd crowdsec-v* && \
     ./wizard.sh --docker-mode && \
     cd - >/dev/null && \

Makefile

@@ -36,6 +36,10 @@ LD_OPTS_VARS= \
 -X '$(GO_MODULE_NAME)/pkg/csconfig.defaultConfigDir=$(DEFAULT_CONFIGDIR)' \
 -X '$(GO_MODULE_NAME)/pkg/csconfig.defaultDataDir=$(DEFAULT_DATADIR)'
 
+ifneq (,$(DOCKER_BUILD))
+LD_OPTS_VARS += -X '$(GO_MODULE_NAME)/pkg/cwversion.System=docker'
+endif
+
 ifdef BUILD_STATIC
 	export LD_OPTS=-ldflags "-s -w $(LD_OPTS_VARS) -extldflags '-static'" -tags netgo,osusergo,sqlite_omit_load_extension
 else

docker/test/tests/test_version.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python
+
+import pytest
+
+pytestmark = pytest.mark.docker
+
+
+def test_version_docker_platform(crowdsec, flavor):
+    with crowdsec(flavor=flavor) as cs:
+        for waiter in cs.log_waiters():
+            with waiter as matcher:
+                matcher.fnmatch_lines(["*Starting processing data*"])
+        res = cs.cont.exec_run('cscli version')
+        assert res.exit_code == 0
+        assert 'Platform: docker' in res.output.decode()
+        res = cs.cont.exec_run('crowdsec -version')
+        assert res.exit_code == 0
+        assert 'Platform: docker' in res.output.decode()