DO NOT MERGE: switch all CI workflows to run on Ubuntu 20.04

.github/workflows/check_formatting.yml

@@ -4,7 +4,7 @@ jobs:
 
   build:
     name: Check Formatting
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
 
     - name: Set up Go

.github/workflows/check_make_parser.yml

@@ -4,7 +4,7 @@ jobs:
 
   build:
     name: Check Make Parser
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
 
     - name: Set up Go

.github/workflows/check_make_sizegen.yml

@@ -4,7 +4,7 @@ jobs:
 
   build:
     name: Check Make Sizegen
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
 
       - name: Set up Go

.github/workflows/check_make_visitor.yml

@@ -4,7 +4,7 @@ jobs:
 
   build:
     name: Check Make Visitor
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
 
     - name: Set up Go

.github/workflows/check_runs_analysis.yaml

@@ -6,7 +6,7 @@ jobs:
   analyze:
     if: github.repository == 'vitessio/vitess'
     name: analyze_check_runs
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
 
     - uses: actions/checkout@v2

.github/workflows/cluster_endtoend_11.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (11)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_12.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (12)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_13.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (13)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_14.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (14)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_15.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (15)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_16.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (16)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_17.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (17)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_18.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (18)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_19.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (19)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_20.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (20)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_21.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (21)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_22.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (22)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_23.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (23)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_24.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (24)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_26.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (26)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_27.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (27)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_onlineddl_ghost.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (onlineddl_ghost)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_onlineddl_vrepl.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_onlineddl_vrepl_stress.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (onlineddl_vrepl_stress)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_upgrade.yml

@@ -5,7 +5,7 @@ jobs:
   build:
     if: github.repository == 'vitessio/vitess'
     name: Run endtoend tests on Cluster (upgrade)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_vreplication_basic.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (vreplication_basic)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_vreplication_cellalias.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (vreplication_cellalias)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_vreplication_migrate.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (vreplication_migrate)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_vreplication_multicell.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (vreplication_multicell)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_endtoend_vreplication_v2.yml

@@ -6,7 +6,7 @@ jobs:
 
   build:
     name: Run endtoend tests on Cluster (vreplication_v2)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
     - name: Set up Go

.github/workflows/cluster_initial_sharding_multi.yml

@@ -4,7 +4,7 @@ jobs:
 
   build:
     name: cluster initial sharding multi
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
 
     - name: Set up Go

.github/workflows/docker_test_1.yml

@@ -4,7 +4,7 @@ jobs:
 
   build:
     name: Docker Test 1
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
 
@@ -18,4 +18,4 @@ jobs:
 
     - name: Run tests which require docker - 1
       run: |
-        go run test.go -docker=true --follow -shard 10
+        go run test.go -docker=true --follow -shard 10

.github/workflows/docker_test_2.yml

@@ -4,7 +4,7 @@ jobs:
 
   build:
     name: Docker Test 2
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
 
@@ -18,4 +18,4 @@ jobs:
 
     - name: Run tests which require docker - 2
       run: |
-        go run test.go -docker=true --follow -shard 25
+        go run test.go -docker=true --follow -shard 25

.github/workflows/docker_test_3.yml

@@ -4,7 +4,7 @@ jobs:
 
   build:
     name: Docker Test 3
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
 

.github/workflows/e2e_race.yml

@@ -4,7 +4,7 @@ jobs:
 
   build:
     name: End-to-End Test (Race)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
 
     - name: Set up Go

.github/workflows/endtoend.yml

@@ -4,7 +4,7 @@ jobs:
 
   build:
     name: End-to-End Test
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
 
     - name: Set up Go

.github/workflows/ensure_bootstrap_updated.yml

@@ -4,7 +4,7 @@ jobs:
 
   build:
     name: Check Bootstrap Updated
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
 
     - name: Set up Go

.github/workflows/golangci-linter.yml

@@ -3,7 +3,7 @@ on: [push, pull_request]
 jobs:
   build:
     name: Lint using golangci-lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Set up Go 1.15
         uses: actions/setup-go@v1

.github/workflows/gomod-tidy.yml

@@ -3,7 +3,7 @@ on: [push, pull_request]
 jobs:
   build:
     name: Check go mod tidy
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Set up Go 1.15
         uses: actions/setup-go@v1

.github/workflows/legacy_local_example.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest]
+        os: [ubuntu-20.04]
         topo: [etcd,k8s]
 
     steps:
@@ -22,7 +22,7 @@ jobs:
 
     - name: Get dependencies
       run: |
-        if [ ${{matrix.os}} = "ubuntu-latest" ]; then
+        if [ ${{matrix.os}} = "ubuntu-20.04" ]; then
           sudo apt-get update
           sudo apt-get install -y mysql-server mysql-client make unzip g++ etcd curl git wget eatmydata
           sudo service mysql stop