ci: Add ubuntu18_04 nightly and release jobs

This adds release jobs for ubuntu18_04 which uses glibc 2.27 which is
older than the 2.28 which is used by Rocky8 bindists.

Ticket #22268

3 files changed, 123 insertions, 0 deletions

diff --git a/.gitlab/gen_ci.hs b/.gitlab/gen_ci.hs
index ad1016d90e..a7c4cd3cf4 100755
--- a/.gitlab/gen_ci.hs
+++ b/.gitlab/gen_ci.hs
@@ -112,6 +112,7 @@ data LinuxDistro
   = Debian11 | Debian10 | Debian9
   | Fedora33
   | Ubuntu2004
+  | Ubuntu1804
   | Centos7
   | Alpine
   | Rocky8
@@ -270,6 +271,7 @@ distroName Debian11  = "deb11"
 distroName Debian10   = "deb10"
 distroName Debian9   = "deb9"
 distroName Fedora33  = "fedora33"
+distroName Ubuntu1804 = "ubuntu18_04"
 distroName Ubuntu2004 = "ubuntu20_04"
 distroName Centos7    = "centos7"
 distroName Alpine     = "alpine3_12"
@@ -860,6 +862,7 @@ job_groups =
      -- We still build Deb9 bindists for now due to Ubuntu 18 and Linux Mint 19
      -- not being at EOL until April 2023 and they still need tinfo5.
      , disableValidate (standardBuildsWithConfig Amd64 (Linux Debian9) (splitSectionsBroken vanilla))
+     , disableValidate (standardBuilds Amd64 (Linux Ubuntu1804))
      , disableValidate (standardBuilds Amd64 (Linux Ubuntu2004))
      , disableValidate (standardBuilds Amd64 (Linux Rocky8))
      , disableValidate (standardBuildsWithConfig Amd64 (Linux Centos7) (splitSectionsBroken vanilla))
diff --git a/.gitlab/jobs.yaml b/.gitlab/jobs.yaml
index 81fcf0ee39..678d8cbb0c 100644
--- a/.gitlab/jobs.yaml
+++ b/.gitlab/jobs.yaml
@@ -1872,6 +1872,65 @@
       "XZ_OPT": "-9"
     }
   },
+  "nightly-x86_64-linux-ubuntu18_04-validate": {
+    "after_script": [
+      ".gitlab/ci.sh save_cache",
+      ".gitlab/ci.sh clean",
+      "cat ci_timings"
+    ],
+    "allow_failure": false,
+    "artifacts": {
+      "expire_in": "8 weeks",
+      "paths": [
+        "ghc-x86_64-linux-ubuntu18_04-validate.tar.xz",
+        "junit.xml"
+      ],
+      "reports": {
+        "junit": "junit.xml"
+      },
+      "when": "always"
+    },
+    "cache": {
+      "key": "x86_64-linux-ubuntu18_04-$CACHE_REV",
+      "paths": [
+        "cabal-cache",
+        "toolchain"
+      ]
+    },
+    "dependencies": [],
+    "image": "registry.gitlab.haskell.org/ghc/ci-images/x86_64-linux-ubuntu18_04:$DOCKER_REV",
+    "needs": [
+      {
+        "artifacts": false,
+        "job": "hadrian-ghc-in-ghci"
+      }
+    ],
+    "rules": [
+      {
+        "if": "($CI_MERGE_REQUEST_LABELS !~ /.*fast-ci.*/) && ($RELEASE_JOB != \"yes\") && ($NIGHTLY) && (\"true\" == \"true\") && (\"true\" == \"true\") && (\"true\" == \"true\")",
+        "when": "on_success"
+      }
+    ],
+    "script": [
+      "sudo chown ghc:ghc -R .",
+      ".gitlab/ci.sh setup",
+      ".gitlab/ci.sh configure",
+      ".gitlab/ci.sh build_hadrian",
+      ".gitlab/ci.sh test_hadrian"
+    ],
+    "stage": "full-build",
+    "tags": [
+      "x86_64-linux"
+    ],
+    "variables": {
+      "BIGNUM_BACKEND": "gmp",
+      "BIN_DIST_NAME": "ghc-x86_64-linux-ubuntu18_04-validate",
+      "BUILD_FLAVOUR": "validate",
+      "CONFIGURE_ARGS": "",
+      "TEST_ENV": "x86_64-linux-ubuntu18_04-validate",
+      "XZ_OPT": "-9"
+    }
+  },
   "nightly-x86_64-linux-ubuntu20_04-validate": {
     "after_script": [
       ".gitlab/ci.sh save_cache",
@@ -3038,6 +3097,66 @@
       "XZ_OPT": "-9"
     }
   },
+  "release-x86_64-linux-ubuntu18_04-release": {
+    "after_script": [
+      ".gitlab/ci.sh save_cache",
+      ".gitlab/ci.sh clean",
+      "cat ci_timings"
+    ],
+    "allow_failure": false,
+    "artifacts": {
+      "expire_in": "1 year",
+      "paths": [
+        "ghc-x86_64-linux-ubuntu18_04-release.tar.xz",
+        "junit.xml"
+      ],
+      "reports": {
+        "junit": "junit.xml"
+      },
+      "when": "always"
+    },
+    "cache": {
+      "key": "x86_64-linux-ubuntu18_04-$CACHE_REV",
+      "paths": [
+        "cabal-cache",
+        "toolchain"
+      ]
+    },
+    "dependencies": [],
+    "image": "registry.gitlab.haskell.org/ghc/ci-images/x86_64-linux-ubuntu18_04:$DOCKER_REV",
+    "needs": [
+      {
+        "artifacts": false,
+        "job": "hadrian-ghc-in-ghci"
+      }
+    ],
+    "rules": [
+      {
+        "if": "($CI_MERGE_REQUEST_LABELS !~ /.*fast-ci.*/) && ($RELEASE_JOB == \"yes\") && ($NIGHTLY == null) && (\"true\" == \"true\") && (\"true\" == \"true\") && (\"true\" == \"true\")",
+        "when": "on_success"
+      }
+    ],
+    "script": [
+      "sudo chown ghc:ghc -R .",
+      ".gitlab/ci.sh setup",
+      ".gitlab/ci.sh configure",
+      ".gitlab/ci.sh build_hadrian",
+      ".gitlab/ci.sh test_hadrian"
+    ],
+    "stage": "full-build",
+    "tags": [
+      "x86_64-linux"
+    ],
+    "variables": {
+      "BIGNUM_BACKEND": "gmp",
+      "BIN_DIST_NAME": "ghc-x86_64-linux-ubuntu18_04-release",
+      "BUILD_FLAVOUR": "release",
+      "CONFIGURE_ARGS": "",
+      "IGNORE_PERF_FAILURES": "all",
+      "TEST_ENV": "x86_64-linux-ubuntu18_04-release",
+      "XZ_OPT": "-9"
+    }
+  },
   "release-x86_64-linux-ubuntu20_04-release": {
     "after_script": [
       ".gitlab/ci.sh save_cache",
diff --git a/.gitlab/rel_eng/fetch-gitlab-artifacts/fetch_gitlab.py b/.gitlab/rel_eng/fetch-gitlab-artifacts/fetch_gitlab.py
index 256a5cc5d4..f1086f7f5a 100644
--- a/.gitlab/rel_eng/fetch-gitlab-artifacts/fetch_gitlab.py
+++ b/.gitlab/rel_eng/fetch-gitlab-artifacts/fetch_gitlab.py
@@ -17,6 +17,7 @@ def job_triple(job_name):
         'release-x86_64-windows-release': 'x86_64-unknown-mingw32',
         'release-x86_64-windows-int_native-release': 'x86_64-unknown-mingw32-int_native',
         'release-x86_64-ubuntu20_04-release': 'x86_64-ubuntu20_04-linux',
+        'release-x86_64-ubuntu18_04-release': 'x86_64-ubuntu18_04-linux',
         'release-x86_64-linux-fedora33-release+debug_info': 'x86_64-fedora33-linux-dwarf',
         'release-x86_64-linux-fedora33-release': 'x86_64-fedora33-linux',
         'release-x86_64-linux-fedora27-release': 'x86_64-fedora27-linux',