Updating build pipelines to Cache@2 and switching to artifacts for compiled file sharing in pipeline jobs. (#14989)

* switiching product compile node cache task to newer version

* moving new changes from product-compile to sql-product-compile

* changing to yarn.lock as cache key

* Adding compilation cache

* changing keypath to key

* letting find command do the heavy lifting

* removing old save cache task

* reverting compilation cache to old task

* Creating a js to list compiled files
switching to cache 2 for compiled files
Creating a js file to compute yarn cache

* removed unused input targetFolder from pipeline cache task

* removed save cache

* Fixing compute node modules file

* Adding compiled computenodemodules

* Fixing checked variables on product compile
Updating all pipeline jobs to cache 2
Using tar for windows pipeline. Hoping it works

* Fixing indentation in web job

* Fixing different indentation in web job

* Generating sha keys for compilation cache to be cross plat

* trying deterministic key for compilation cache

* Fixing md5 command

* Trying another method of generating compilation cache

* testing with a hardcoded string

* Changing to a better hardcoded string

* Remove redundant make dir

* Fixing mkdir command in windows and trying new string key

* fixing $$ in sql product compile

* Removin redundant mkdir

* Trying source version var

* Fixing compilation key

* chaning script to powershell

* Adding artifacts to store compiled files
switching to 7zip for windows node cache

* Adding missing step key in web build

* Building not found directories

* Making correct directory

* Switching to vscode's computeNodeModuleCache

* Fixing formatting and making it look more like vscode's pipeline

* Adding back compiled comput cache key

* Fixing cache file

* Fixing copyright message
Adding sql header to custom node cache generator
Updating cache salt to force a cache miss

* Using glob instead of custom method to find all yarn.lock files
Fixing some other pipeline errors.

* Removing unnecessary variable checks.

* Added back VSCODE_STEP_ON_IT check
Moving drop artifacts before compiled files to keep it drop folder free  from compiled files

* Changing task name from cache flags to cache key

* Removing glob from compute node module cache
Fixing copyright message

* checking in updated js

build/azure-pipelines/web/sql-product-build-web.yml

@@ -1,25 +1,5 @@
+
 steps:
-- script: |
-    mkdir -p .build
-    echo -n $BUILD_SOURCEVERSION > .build/commit
-    echo -n $VSCODE_QUALITY > .build/quality
-  displayName: Prepare cache flag
-
-- task: 1ESLighthouseEng.PipelineArtifactCaching.RestoreCacheV1.RestoreCache@1
-  displayName: Restore Cache - Compiled Files
-  inputs:
-    keyfile: 'build/.cachesalt, .build/commit, .build/quality'
-    targetfolder: '.build, out-build, out-vscode-min, out-vscode-reh-min, out-vscode-reh-web-min'
-    vstsFeed: 'BuildCache'
-    platformIndependent: true
-    alias: 'Compilation'
-
-- script: |
-    set -e
-    exit 1
-  displayName: Check RestoreCache
-  condition: and(succeeded(), ne(variables['CacheRestored-Compilation'], 'true'))
-
 - task: NodeTool@0
   inputs:
     versionSpec: "12.13.0"
@@ -35,6 +15,17 @@ steps:
     KeyVaultName: ado-secrets
     SecretsFilter: 'github-distro-mixin-password'
 
+- task: DownloadPipelineArtifact@2
+  inputs:
+    artifact: Compilation
+    path: $(Build.ArtifactStagingDirectory)
+  displayName: Download compilation output
+
+- script: |
+    set -e
+    tar -xzf $(Build.ArtifactStagingDirectory)/compilation.tar.gz
+  displayName: Extract compilation output
+
 - script: |
     set -e
     cat << EOF > ~/.netrc