Use llvm-10 on phabricator agent

- removed 'clang8' from the image name;

- added --no-cache to ./build_deploy.sh to make sure that image will use
  most recent packages.

Tested locally

containers/agent-debian-testing-ssd/Dockerfile

@@ -1,6 +1,7 @@
 FROM debian:testing
 
-RUN apt-get update ;\
+RUN echo "deb [trusted=yes] http://apt.llvm.org/buster/ llvm-toolchain-buster main\n$(cat /etc/apt/sources.list)" > /etc/apt/sources.list;\ # add LLVM 10 deb pkg to sources
+    apt-get update ;\
     apt-get install -y --no-install-recommends locales \
         cmake ninja-build git ca-certificates clang lld ccache python3 build-essential \
         clang-tidy clang-format \

containers/build_deploy.sh

@@ -25,6 +25,6 @@ IMAGE_NAME="${1%/}"
 QUALIFIED_NAME="${GCR_HOSTNAME}/${GCP_PROJECT}/${IMAGE_NAME}"
 
 cd "${DIR}/${IMAGE_NAME}"
-docker build -t ${IMAGE_NAME} .
+docker build -t --no-cache ${IMAGE_NAME} .
 docker tag ${IMAGE_NAME} ${QUALIFIED_NAME}
 docker push ${QUALIFIED_NAME}

containers/build_run.sh

@@ -14,7 +14,7 @@
 # limitations under the License.
 
 # Starts a new instances of a docker image. Example:
-# sudo build_run.sh agent-debian-testing-clang8-ssd /bin/bash
+# sudo build_run.sh agent-debian-testing-ssd /bin/bash
 
 set -eux
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"

docs/playbooks.md

@@ -137,7 +137,7 @@ Invoke-WebRequest -uri 'https://raw.githubusercontent.com/google/llvm-premerge-c
 
 ## Testing scripts locally
 
-Build and run agent docker image `sudo ./containers/build_run.sh agent-debian-testing-clang8-ssd /bin/bash`.
+Build and run agent docker image `sudo ./containers/build_run.sh agent-debian-testing-ssd /bin/bash`.
 
 Within a container set environment variables similar to [pipeline](https://github.com/google/llvm-premerge-checks/blob/master/Jenkins/Phabricator-pipeline/Jenkinsfile).
 

kubernetes/jenkins.yaml

@@ -151,18 +151,18 @@ spec:
 apiVersion: extensions/v1beta1
 kind: Deployment
 metadata:
-  name: agent-debian-testing-clang8-ssd
+  name: agent-debian-testing-ssd
   namespace: jenkins
 spec:
   replicas: 2
   template:
     metadata:
       labels:
-        app: agent-debian-testing-clang8-ssd
+        app: agent-debian-testing-ssd
     spec:
       containers:
       - name: agent-debian-testing-clang8
-        image: gcr.io/llvm-premerge-checks/agent-debian-testing-clang8-ssd    
+        image: gcr.io/llvm-premerge-checks/agent-debian-testing-ssd
         ports:
         - containerPort: 22
         resources: