Cargo caching with forklift (#2466)

This PR adds cargo caching feature with custom ['forklift'
tool](https://gitlab.parity.io/parity/infrastructure/ci_cd/forklift/forklift)
Forklift acts as RUSTC_WRAPPER, intercepts rustc calls and stores
produced artifacts in S3 bucket (see [forklift
readme](https://gitlab.parity.io/parity/infrastructure/ci_cd/forklift/forklift/-/blob/main/README.MD?ref_type=heads)
for detailed description)

All settings are made in [`.forklift` job's
before_script](https://github.com/paritytech/polkadot-sdk/blob/es/forklift-test/.gitlab-ci.yml#L119)
and affect all jobs that extend `.docker-env` job

To disable feature set `FORKLIFT_BYPASS` variable to true in [project
settings in
gitlab](https://gitlab.parity.io/parity/mirrors/polkadot-sdk/-/settings/ci_cd)

.gitlab-ci.yml

@@ -106,27 +106,37 @@ default:
 
 .docker-env:
   image: "${CI_IMAGE}"
+  variables:
+    FL_FORKLIFT_VERSION: !reference [.forklift, variables, FL_FORKLIFT_VERSION]
   before_script:
     - !reference [.common-before-script, before_script]
     - !reference [.prepare-env, before_script]
     - !reference [.rust-info-script, script]
-    - !reference [.rusty-cachier, before_script]
+    - !reference [.forklift-cache, before_script]
   tags:
     - linux-docker
 
-# rusty-cachier's hidden job. Parts of this job are used to instrument the pipeline's other real jobs with rusty-cachier
-# rusty-cachier's commands are described here: https://gitlab.parity.io/parity/infrastructure/ci_cd/rusty-cachier/client#description
-.rusty-cachier:
+# 
+.forklift-cache:
   before_script:
-    # - curl -s https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.parity.io/parity/infrastructure/ci_cd/rusty-cachier/client/-/raw/release/util/install.sh | bash
-    # - mkdir -p cargo_home cargo_target_dir
-    # - export CARGO_HOME=$CI_PROJECT_DIR/cargo_home
-    # - export CARGO_TARGET_DIR=$CI_PROJECT_DIR/cargo_target_dir
-    # - find . \( -path ./cargo_target_dir -o -path ./cargo_home \) -prune -o -type f -exec touch -t 202005260100 {} +
-    # - git restore-mtime
-    # - rusty-cachier --version
-    # - rusty-cachier project touch-changed
-    - echo tbd
+    - 'curl --header "PRIVATE-TOKEN: $FL_CI_GROUP_TOKEN" -o forklift  -L "${CI_API_V4_URL}/projects/676/packages/generic/forklift/${FL_FORKLIFT_VERSION}/forklift_${FL_FORKLIFT_VERSION}_linux_amd64"'
+    - chmod +x forklift
+    - mkdir .forklift
+    - cp $FL_FORKLIFT_CONFIG .forklift/config.toml
+    - export FORKLIFT_PACKAGE_SUFFIX=${CI_JOB_NAME/ [0-9 \/]*}
+    - shopt -s expand_aliases    
+    - export PATH=$PATH:$(pwd)
+    - |
+      if [ "$FORKLIFT_BYPASS" != "true" ]; then
+      echo "FORKLIFT_BYPASS not set, creating alias cargo='forklift cargo'"
+      alias cargo="forklift cargo"
+      fi
+    - ls -al 
+    - rm -f forklift.sock 
+    - forklift clean
+    #
+    - echo "FL_FORKLIFT_VERSION ${FL_FORKLIFT_VERSION}"
+    - echo "FORKLIFT_PACKAGE_SUFFIX $FORKLIFT_PACKAGE_SUFFIX"  
 
 .common-refs:
   rules:
@@ -214,6 +224,9 @@ include:
   - project: parity/infrastructure/ci_cd/shared
     ref: main
     file: /common/ci-unified.yml
+  - project: parity/infrastructure/ci_cd/shared
+    ref: main
+    file: /common/forklift.yml
 # This job cancels the whole pipeline if any of provided jobs fail.
 # In a DAG, every jobs chain is executed independently of others. The `fail_fast` principle suggests
 # to fail the pipeline as soon as possible to shorten the feedback loop.