Remove Build-Ubuntu18-GCC job

This partially reverts
https://skia-review.googlesource.com/c/skia/+/254797. The Ubuntu18 GCC
job was added in anticipation of using it for Valgrind jobs; however,
https://skia-review.googlesource.com/c/skia/+/255537 switches Valgrind
to Clang, which makes this unnecessary.

Bug: skia:9632
Change-Id: I97d7e0d4e3be109ae48b386140117aac4279618f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/255790
Commit-Queue: Ben Wagner aka dogben <benjaminwagner@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
diff --git a/infra/bots/jobs.json b/infra/bots/jobs.json
index 22b2492..c0a5d67 100644
--- a/infra/bots/jobs.json
+++ b/infra/bots/jobs.json
@@ -113,7 +113,6 @@
   "Build-Mac-Clang-x86_64-Release-Metal",
   "Build-Mac-Clang-x86_64-Release-TSAN",
   "Build-Mac-Clang-x86_64-Release-TSAN_Metal",
-  "Build-Ubuntu18-GCC-x86_64-Release-Docker",
   "Build-Win-Clang-arm64-Debug",
   "Build-Win-Clang-arm64-Debug-ANGLE",
   "Build-Win-Clang-arm64-Release",
diff --git a/infra/bots/recipe_modules/build/docker.py b/infra/bots/recipe_modules/build/docker.py
index 43bc95e..09aa329 100644
--- a/infra/bots/recipe_modules/build/docker.py
+++ b/infra/bots/recipe_modules/build/docker.py
@@ -17,9 +17,6 @@
     'gcc-debian10-mips64el': (
         'gcr.io/skia-public/gcc-debian10-mips64el@sha256:'
         'c173a718d9f62f0cd1e5335713ebc4721d5dcf662fb02597744b71c53338a540'),
-    'gcc-ubuntu18': (
-        'gcr.io/skia-public/gcc-ubuntu18@sha256:'
-        '3439bba135be1593de385f89b59e503ab28ef637ba634e2ecec43559dd928c69'),
 }
 
 
@@ -76,11 +73,6 @@
       image_name = 'gcc-debian10-mips64el'
       args['cc'] = '/usr/bin/mips64el-linux-gnuabi64-gcc-8'
       args['cxx'] = '/usr/bin/mips64el-linux-gnuabi64-g++-8'
-  if (os == 'Ubuntu18' and compiler == 'GCC' and target_arch == 'x86_64' and
-      not extra_tokens):
-    args['cc'] = 'gcc'
-    args['cxx'] = 'g++'
-    image_name = 'gcc-ubuntu18'
 
   if not image_name:
     raise Exception('Not implemented: ' + api.vars.builder_name)
diff --git a/infra/bots/recipe_modules/build/examples/full.expected/Build-Ubuntu18-GCC-x86_64-Release-Docker.json b/infra/bots/recipe_modules/build/examples/full.expected/Build-Ubuntu18-GCC-x86_64-Release-Docker.json
deleted file mode 100644
index 2852f68..0000000
--- a/infra/bots/recipe_modules/build/examples/full.expected/Build-Ubuntu18-GCC-x86_64-Release-Docker.json
+++ /dev/null
@@ -1,122 +0,0 @@
-[
-  {
-    "cmd": [],
-    "name": "Docker setup"
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "ensure-directory",
-      "--mode",
-      "0777",
-      "[START_DIR]/cache/work/skia/out/Build-Ubuntu18-GCC-x86_64-Release-Docker/Release"
-    ],
-    "infra_step": true,
-    "name": "Docker setup.mkdirs out_dir",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "chmod",
-      "777",
-      "[START_DIR]/cache/work/skia/out/Build-Ubuntu18-GCC-x86_64-Release-Docker/Release"
-    ],
-    "infra_step": true,
-    "name": "Docker setup.chmod 777 [START_DIR]/cache/work/skia/out/Build-Ubuntu18-GCC-x86_64-Release-Docker/Release",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "chmod",
-      "755",
-      "[START_DIR]/cache/work"
-    ],
-    "infra_step": true,
-    "name": "Docker setup.chmod 755 [START_DIR]/cache/work",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "chmod",
-      "0755",
-      "RECIPE_MODULE[skia::build]/resources/docker-compile.sh"
-    ],
-    "infra_step": true,
-    "name": "Docker setup.chmod 0755 RECIPE_MODULE[skia::build]/resources/docker-compile.sh",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "docker",
-      "run",
-      "--shm-size=2gb",
-      "--rm",
-      "--mount",
-      "type=bind,source=[START_DIR]/cache/work,target=/SRC",
-      "--mount",
-      "type=bind,source=[START_DIR]/cache/work/skia/out/Build-Ubuntu18-GCC-x86_64-Release-Docker/Release,target=/OUT",
-      "gcr.io/skia-public/gcc-ubuntu18@sha256:3439bba135be1593de385f89b59e503ab28ef637ba634e2ecec43559dd928c69",
-      "/SRC/../RECIPE_MODULE[skia::build]/resources/docker-compile.sh",
-      "cc=\"gcc\" cxx=\"g++\" extra_cflags=[\"-DDUMMY_docker_image=gcr.io/skia-public/gcc-ubuntu18@sha256:3439bba135be1593de385f89b59e503ab28ef637ba634e2ecec43559dd928c69\"] extra_ldflags=[] is_debug=false target_cpu=\"x86_64\" werror=true"
-    ],
-    "env": {
-      "CHROME_HEADLESS": "1",
-      "DOCKER_CONFIG": "/home/chrome-bot/.docker",
-      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
-    },
-    "name": "Run build script in Docker"
-  },
-  {
-    "cmd": [
-      "python",
-      "-u",
-      "import errno\nimport glob\nimport os\nimport shutil\nimport sys\n\nsrc = sys.argv[1]\ndst = sys.argv[2]\nbuild_products = ['dm', 'dm.exe', 'dm.app', 'nanobench.app', 'get_images_from_skps', 'get_images_from_skps.exe', 'hello-opencl', 'hello-opencl.exe', 'nanobench', 'nanobench.exe', 'skpbench', 'skpbench.exe', '*.so', '*.dll', '*.dylib', 'skia_launcher', 'skottie_tool', 'lib/*.so', 'run_testlab', 'skqp-universal-debug.apk', 'whitelist_devices.json']\n\ntry:\n  os.makedirs(dst)\nexcept OSError as e:\n  if e.errno != errno.EEXIST:\n    raise\n\nfor pattern in build_products:\n  path = os.path.join(src, pattern)\n  for f in glob.glob(path):\n    dst_path = os.path.join(dst, os.path.relpath(f, src))\n    if not os.path.isdir(os.path.dirname(dst_path)):\n      os.makedirs(os.path.dirname(dst_path))\n    print 'Copying build product %s to %s' % (f, dst_path)\n    shutil.move(f, dst_path)\n",
-      "[START_DIR]/cache/work/skia/out/Build-Ubuntu18-GCC-x86_64-Release-Docker/Release",
-      "[START_DIR]/[SWARM_OUT_DIR]/out/Release"
-    ],
-    "infra_step": true,
-    "name": "copy build products",
-    "~followup_annotations": [
-      "@@@STEP_LOG_LINE@python.inline@import errno@@@",
-      "@@@STEP_LOG_LINE@python.inline@import glob@@@",
-      "@@@STEP_LOG_LINE@python.inline@import os@@@",
-      "@@@STEP_LOG_LINE@python.inline@import shutil@@@",
-      "@@@STEP_LOG_LINE@python.inline@import sys@@@",
-      "@@@STEP_LOG_LINE@python.inline@@@@",
-      "@@@STEP_LOG_LINE@python.inline@src = sys.argv[1]@@@",
-      "@@@STEP_LOG_LINE@python.inline@dst = sys.argv[2]@@@",
-      "@@@STEP_LOG_LINE@python.inline@build_products = ['dm', 'dm.exe', 'dm.app', 'nanobench.app', 'get_images_from_skps', 'get_images_from_skps.exe', 'hello-opencl', 'hello-opencl.exe', 'nanobench', 'nanobench.exe', 'skpbench', 'skpbench.exe', '*.so', '*.dll', '*.dylib', 'skia_launcher', 'skottie_tool', 'lib/*.so', 'run_testlab', 'skqp-universal-debug.apk', 'whitelist_devices.json']@@@",
-      "@@@STEP_LOG_LINE@python.inline@@@@",
-      "@@@STEP_LOG_LINE@python.inline@try:@@@",
-      "@@@STEP_LOG_LINE@python.inline@  os.makedirs(dst)@@@",
-      "@@@STEP_LOG_LINE@python.inline@except OSError as e:@@@",
-      "@@@STEP_LOG_LINE@python.inline@  if e.errno != errno.EEXIST:@@@",
-      "@@@STEP_LOG_LINE@python.inline@    raise@@@",
-      "@@@STEP_LOG_LINE@python.inline@@@@",
-      "@@@STEP_LOG_LINE@python.inline@for pattern in build_products:@@@",
-      "@@@STEP_LOG_LINE@python.inline@  path = os.path.join(src, pattern)@@@",
-      "@@@STEP_LOG_LINE@python.inline@  for f in glob.glob(path):@@@",
-      "@@@STEP_LOG_LINE@python.inline@    dst_path = os.path.join(dst, os.path.relpath(f, src))@@@",
-      "@@@STEP_LOG_LINE@python.inline@    if not os.path.isdir(os.path.dirname(dst_path)):@@@",
-      "@@@STEP_LOG_LINE@python.inline@      os.makedirs(os.path.dirname(dst_path))@@@",
-      "@@@STEP_LOG_LINE@python.inline@    print 'Copying build product %s to %s' % (f, dst_path)@@@",
-      "@@@STEP_LOG_LINE@python.inline@    shutil.move(f, dst_path)@@@",
-      "@@@STEP_LOG_END@python.inline@@@"
-    ]
-  },
-  {
-    "name": "$result"
-  }
-]
\ No newline at end of file
diff --git a/infra/bots/recipe_modules/build/examples/full.expected/unknown-docker-image.json b/infra/bots/recipe_modules/build/examples/full.expected/unknown-docker-image.json
index e77ea7d..413799b 100644
--- a/infra/bots/recipe_modules/build/examples/full.expected/unknown-docker-image.json
+++ b/infra/bots/recipe_modules/build/examples/full.expected/unknown-docker-image.json
@@ -21,7 +21,7 @@
       "    return func(*a, **kw)",
       "  File \"RECIPE_REPO[skia]/infra/bots/recipe_modules/build/api.py\", line 61, in __call__",
       "    self.compile_fn(self.m, checkout_root, out_dir)",
-      "  File \"RECIPE_REPO[skia]/infra/bots/recipe_modules/build/docker.py\", line 86, in compile_fn",
+      "  File \"RECIPE_REPO[skia]/infra/bots/recipe_modules/build/docker.py\", line 78, in compile_fn",
       "    raise Exception('Not implemented: ' + api.vars.builder_name)",
       "Exception: Not implemented: Build-Unix-GCC-x86_64-Release-Docker"
     ]
diff --git a/infra/bots/recipe_modules/build/examples/full.py b/infra/bots/recipe_modules/build/examples/full.py
index 662139e..f0a7d00 100644
--- a/infra/bots/recipe_modules/build/examples/full.py
+++ b/infra/bots/recipe_modules/build/examples/full.py
@@ -71,7 +71,6 @@
   'Build-Mac-Clang-x86_64-Debug-CommandBuffer',
   'Build-Mac-Clang-x86_64-Debug-Metal',
   'Build-Mac-Clang-x86_64-Release-MoltenVK_Vulkan',
-  'Build-Ubuntu18-GCC-x86_64-Release-Docker',
   'Build-Win-Clang-arm64-Release-Android',
   'Build-Win-Clang-x86-Debug-Exceptions',
   'Build-Win-Clang-x86_64-Debug-OpenCL',
diff --git a/infra/bots/tasks.json b/infra/bots/tasks.json
index bc25831..eb365d4 100755
--- a/infra/bots/tasks.json
+++ b/infra/bots/tasks.json
@@ -576,11 +576,6 @@
         "Build-Mac-Clang-x86_64-Release-TSAN_Metal"
       ]
     },
-    "Build-Ubuntu18-GCC-x86_64-Release-Docker": {
-      "tasks": [
-        "Build-Ubuntu18-GCC-x86_64-Release-Docker"
-      ]
-    },
     "Build-Win-Clang-arm64-Debug": {
       "tasks": [
         "Build-Win-Clang-arm64-Debug"
@@ -11251,75 +11246,6 @@
       ],
       "service_account": "skia-external-compile-tasks@skia-swarming-bots.iam.gserviceaccount.com"
     },
-    "Build-Ubuntu18-GCC-x86_64-Release-Docker": {
-      "caches": [
-        {
-          "name": "vpython",
-          "path": "cache/vpython"
-        },
-        {
-          "name": "docker",
-          "path": "cache/docker"
-        }
-      ],
-      "cipd_packages": [
-        {
-          "name": "infra/tools/luci/kitchen/${platform}",
-          "path": ".",
-          "version": "git_revision:0e171233385f11fd2b7458728c8ee439d4db53f1"
-        },
-        {
-          "name": "infra/tools/luci-auth/${platform}",
-          "path": "cipd_bin_packages",
-          "version": "git_revision:0e171233385f11fd2b7458728c8ee439d4db53f1"
-        },
-        {
-          "name": "infra/tools/luci/vpython/${platform}",
-          "path": "cipd_bin_packages",
-          "version": "git_revision:0e171233385f11fd2b7458728c8ee439d4db53f1"
-        }
-      ],
-      "command": [
-        "cipd_bin_packages/vpython${EXECUTABLE_SUFFIX}",
-        "skia/infra/bots/run_recipe.py",
-        "${ISOLATED_OUTDIR}",
-        "compile",
-        "{\"$kitchen\":{\"devshell\":true,\"git_auth\":true},\"buildername\":\"Build-Ubuntu18-GCC-x86_64-Release-Docker\",\"swarm_out_dir\":\"build\"}",
-        "skia"
-      ],
-      "dependencies": [
-        "Housekeeper-PerCommit-BundleRecipes"
-      ],
-      "dimensions": [
-        "cpu:x86-64-Haswell_GCE",
-        "gpu:none",
-        "machine_type:n1-standard-16",
-        "os:Debian-9.8",
-        "pool:Skia",
-        "docker_installed:true"
-      ],
-      "env_prefixes": {
-        "PATH": [
-          "cipd_bin_packages",
-          "cipd_bin_packages/bin"
-        ],
-        "VPYTHON_VIRTUALENV_ROOT": [
-          "cache/vpython"
-        ]
-      },
-      "execution_timeout_ns": 3600000000000,
-      "extra_tags": {
-        "log_location": "logdog://logs.chromium.org/skia/${SWARMING_TASK_ID}/+/annotations"
-      },
-      "idempotent": true,
-      "io_timeout_ns": 3600000000000,
-      "isolate": "compile.isolate",
-      "max_attempts": 2,
-      "outputs": [
-        "build"
-      ],
-      "service_account": "skia-external-compile-tasks@skia-swarming-bots.iam.gserviceaccount.com"
-    },
     "Build-Win-Clang-arm64-Debug": {
       "caches": [
         {
diff --git a/infra/gcc/Makefile b/infra/gcc/Makefile
index 2d2de3d..91e58b4 100644
--- a/infra/gcc/Makefile
+++ b/infra/gcc/Makefile
@@ -14,8 +14,3 @@
 	docker tag gcc-debian10-mips64el gcr.io/skia-public/gcc-debian10-mips64el
 	docker push gcr.io/skia-public/gcc-debian10-mips64el
 
-publish_Ubuntu18:
-	docker build -t gcc-ubuntu18 ./Ubuntu18/
-	docker tag gcc-ubuntu18 gcr.io/skia-public/gcc-ubuntu18
-	docker push gcr.io/skia-public/gcc-ubuntu18
-
diff --git a/infra/gcc/Ubuntu18/Dockerfile b/infra/gcc/Ubuntu18/Dockerfile
deleted file mode 100644
index 14a16cd..0000000
--- a/infra/gcc/Ubuntu18/Dockerfile
+++ /dev/null
@@ -1,9 +0,0 @@
-FROM ubuntu:18.04
-
-RUN apt-get update && apt-get upgrade -y && apt-get install -y  \
-  build-essential \
-  ca-certificates \
-  libfontconfig-dev \
-  libglu-dev \
-  python \
-  && rm -rf /var/lib/apt/lists/*