[gitlab] Remove artifacts from previous pipelines before building pkgs (

#1316)

Now that the cache works, we may have cached pkgs from previous
pipelines in the OMNIBUS_PACKAGE_DIR. Remove them, they clutter
artifacts of the current pipeline and can make build jobs fail when
trying to check/install the current artifacts.

.gitlab-ci.yml

@@ -156,6 +156,8 @@ agent_deb-x64:
   image: 486234852809.dkr.ecr.us-east-1.amazonaws.com/datadog-agent-builders/deb_x64:latest
   tags: [ "runner:main", "size:large" ]
   script:
+    # remove artifacts from previous pipelines that may come from the cache
+    - rm -rf $OMNIBUS_PACKAGE_DIR/*
     # Artifacts and cache must live within project directory but we run omnibus
     # from the GOPATH (see above). We then call `invoke` passing --base-dir,
     # pointing to a gitlab-friendly location.
@@ -178,6 +180,8 @@ agent_rpm-x64:
   image: 486234852809.dkr.ecr.us-east-1.amazonaws.com/datadog-agent-builders/rpm_x64:latest
   tags: [ "runner:main", "size:large" ]
   script:
+    # remove artifacts from previous pipelines that may come from the cache
+    - rm -rf $OMNIBUS_PACKAGE_DIR/*
     # Artifacts and cache must live within project directory but we run omnibus
     # from the GOPATH (see above). We then call `invoke` passing --base-dir,
     # pointing to a gitlab-friendly location.
@@ -204,6 +208,8 @@ agent_suse-x64:
   image: 486234852809.dkr.ecr.us-east-1.amazonaws.com/datadog-agent-builders/suse_x64:latest
   tags: [ "runner:main", "size:large" ]
   script:
+    # remove artifacts from previous pipelines that may come from the cache
+    - rm -rf $OMNIBUS_PACKAGE_DIR/*
     # Artifacts and cache must live within project directory but we run omnibus
     # from the GOPATH (see above). We then call `invoke` passing --base-dir,
     # pointing to a gitlab-friendly location.
@@ -238,6 +244,8 @@ build_windows_msi_x64:
   stage: package_build
   tags: ["runner:windows-agent6"]
   script:
+    # remove artifacts from previous pipelines that may come from the cache
+    - rm -rf .omnibus/pkg/
     - cd %GOPATH%\src\github.com\DataDog\datadog-agent
     - inv agent.omnibus-build --release-version %RELEASE_VERSION%
   after_script:
@@ -250,6 +258,8 @@ cluster-agent_deb-x64:
   image: 486234852809.dkr.ecr.us-east-1.amazonaws.com/datadog-agent-builders/deb_x64:latest
   tags: [ "runner:main", "size:large" ]
   script:
+    # remove artifacts from previous pipelines that may come from the cache
+    - rm -rf $OMNIBUS_PACKAGE_DIR/*
     # Artifacts and cache must live within project directory but we run omnibus
     # from the GOPATH (see above). We then call `invoke` passing --base-dir,
     # pointing to a gitlab-friendly location.
@@ -272,6 +282,8 @@ cluster-agent_rpm-x64:
   image: 486234852809.dkr.ecr.us-east-1.amazonaws.com/datadog-agent-builders/rpm_x64:latest
   tags: [ "runner:main", "size:large" ]
   script:
+    # remove artifacts from previous pipelines that may come from the cache
+    - rm -rf $OMNIBUS_PACKAGE_DIR/*
     # Artifacts and cache must live within project directory but we run omnibus
     # from the GOPATH (see above). We then call `invoke` passing --base-dir,
     # pointing to a gitlab-friendly location.
@@ -298,6 +310,8 @@ dogstatsd_deb-x64:
   image: 486234852809.dkr.ecr.us-east-1.amazonaws.com/datadog-agent-builders/deb_x64:latest
   tags: [ "runner:main", "size:large" ]
   script:
+    # remove artifacts from previous pipelines that may come from the cache
+    - rm -rf $OMNIBUS_PACKAGE_DIR/*
     # Artifacts and cache must live within project directory but we run omnibus
     # from the GOPATH (see above). We then call `invoke` passing --base-dir,
     # pointing to a gitlab-friendly location.
@@ -320,6 +334,8 @@ dogstatsd_rpm-x64:
   image: 486234852809.dkr.ecr.us-east-1.amazonaws.com/datadog-agent-builders/rpm_x64:latest
   tags: [ "runner:main", "size:large" ]
   script:
+    # remove artifacts from previous pipelines that may come from the cache
+    - rm -rf $OMNIBUS_PACKAGE_DIR/*
     # Artifacts and cache must live within project directory but we run omnibus
     # from the GOPATH (see above). We then call `invoke` passing --base-dir,
     # pointing to a gitlab-friendly location.
@@ -347,6 +363,8 @@ dogstatsd_suse-x64:
   image: 486234852809.dkr.ecr.us-east-1.amazonaws.com/datadog-agent-builders/suse_x64:latest
   tags: [ "runner:main", "size:large" ]
   script:
+    # remove artifacts from previous pipelines that may come from the cache
+    - rm -rf $OMNIBUS_PACKAGE_DIR/*
     # Artifacts and cache must live within project directory but we run omnibus
     # from the GOPATH (see above). We then call `invoke` passing --base-dir,
     # pointing to a gitlab-friendly location.