ma 1: refactor buildbot config, add documentation

1 files changed, 148 insertions, 0 deletions

diff --git a/shared/2configs/shared-buildbot.nix b/shared/2configs/shared-buildbot.nix
new file mode 100644
index 000000000..50b279036
--- /dev/null
+++ b/shared/2configs/shared-buildbot.nix
@@ -0,0 +1,148 @@
+{ lib, config, pkgs, ... }:
+# The buildbot config is seilf-contained and provides a way to test "shared"
+# configuration (infrastructure to be used by every krebsminister).
+
+# You can add your own test, test steps as required. Deploy the config on a
+# shared host like wolf and everything should be fine.
+{
+  networking.firewall.allowedTCPPorts = [ 8010 9989 ];
+  krebs.buildbot.master = {
+    secrets = [ "retiolum-ci.rsa_key.priv" "cac.json" ];
+    slaves = {
+      testslave =  "krebspass";
+    };
+    change_source.stockholm = ''
+  stockholm_repo = 'http://cgit.gum/stockholm'
+  cs.append(changes.GitPoller(
+          stockholm_repo,
+          workdir='stockholm-poller', branch='master',
+          project='stockholm',
+          pollinterval=120))
+    '';
+    scheduler = {
+        force-scheduler = ''
+  sched.append(schedulers.ForceScheduler(
+                              name="force",
+                              builderNames=["full-tests"]))
+        '';
+        fast-tests-scheduler = ''
+  # test the master real quick
+  sched.append(schedulers.SingleBranchScheduler(
+                              change_filter=util.ChangeFilter(branch="master"),
+                              treeStableTimer=10, #only test the latest push
+                              name="fast-master-test",
+                              builderNames=["fast-tests"]))
+        '';
+        test-cac-infest-master = ''
+  # files everyone depends on or are part of the share branch
+  def shared_files(change):
+    r =re.compile("^((krebs|shared)/.*|Makefile|default.nix)")
+    for file in change.files:
+      if r.match(file):
+        return True
+    return False
+
+  sched.append(schedulers.SingleBranchScheduler(
+                              change_filter=util.ChangeFilter(branch="master"),
+                              fileIsImportant=shared_files,
+                              treeStableTimer=60*60, # master was stable for the last hour
+                              name="full-master-test",
+                              builderNames=["full-tests"]))
+        '';
+    };
+    builder_pre = ''
+  # prepare grab_repo step for stockholm
+  stockholm_repo = "http://cgit.gum.retiolum/stockholm"
+  grab_repo = steps.Git(repourl=stockholm_repo, mode='incremental')
+
+  env = {"LOGNAME": "shared", "NIX_REMOTE": "daemon"}
+
+  # prepare nix-shell
+  # the dependencies which are used by the test script
+  deps = [ "gnumake", "jq","nix","rsync",
+            "(import <stockholm> {}).pkgs.test.infest-cac-centos7" ]
+  # TODO: --pure , prepare ENV in nix-shell command:
+  #                   SSL_CERT_FILE,LOGNAME,NIX_REMOTE
+  nixshell = ["nix-shell",
+                "-I", "stockholm=.",
+                "-I", "nixpkgs=/var/src/upstream-nixpkgs",
+                "-p" ] + deps + [ "--run" ]
+
+  # prepare addShell function
+  def addShell(factory,**kwargs):
+    factory.addStep(steps.ShellCommand(**kwargs))
+    '';
+    builder = {
+      fast-tests = ''
+  f = util.BuildFactory()
+  f.addStep(grab_repo)
+  for i in [ "test-centos7", "wolf", "test-failing" ]:
+    addShell(f,name="populate-{}".format(i),env=env,
+            command=nixshell + ["set -o pipefail;{}( nix-instantiate --arg configuration shared/1systems/{}.nix --eval --readonly-mode --show-trace -A config.krebs.build.populate --strict | jq -r .)".format("!" if "failing" in i else "",i)])
+
+  addShell(f,name="instantiate-test-all-modules",env=env,
+            command=nixshell + \
+                      ["touch retiolum.rsa_key.priv; \
+                        nix-instantiate --eval -A \
+                            users.shared.test-all-krebs-modules.system \
+                            -I stockholm=. \
+                            --show-trace \
+                            -I secrets=. '<stockholm>' \
+                            --strict --json"])
+
+  addShell(f,name="instantiate-test-minimal-deploy",env=env,
+            command=nixshell + \
+                      ["nix-instantiate --eval -A \
+                            users.shared.test-minimal-deploy.system \
+                            -I stockholm=. \
+                            -I secrets=. '<stockholm>' \
+                            --show-trace \
+                            --strict --json"])
+
+  bu.append(util.BuilderConfig(name="fast-tests",
+        slavenames=slavenames,
+        factory=f))
+      '';
+      slow-tests = ''
+  s = util.BuildFactory()
+  s.addStep(grab_repo)
+
+  # slave needs 2 files:
+  # * cac.json
+  # * retiolum
+  s.addStep(steps.FileDownload(mastersrc="${config.krebs.buildbot.master.workDir}/cac.json", slavedest="cac.json"))
+  s.addStep(steps.FileDownload(mastersrc="${config.krebs.buildbot.master.workDir}/retiolum-ci.rsa_key.priv", slavedest="retiolum.rsa_key.priv"))
+
+  addShell(s, name="infest-cac-centos7",env=env,
+              sigtermTime=60,           # SIGTERM 1 minute before SIGKILL
+              timeout=10800,             # 3h
+              command=nixshell + ["infest-cac-centos7"])
+
+  bu.append(util.BuilderConfig(name="full-tests",
+        slavenames=slavenames,
+        factory=s))
+      '';
+    };
+    enable = true;
+    web = {
+      enable = true;
+    };
+    irc = {
+      enable = true;
+      nick = "shared-buildbot";
+      server = "cd.retiolum";
+      channels = [ "retiolum" ];
+      allowForce = true;
+    };
+  };
+
+  krebs.buildbot.slave = {
+    enable = true;
+    masterhost = "localhost";
+    username = "testslave";
+    password = "krebspass";
+    packages = with pkgs;[ git nix ];
+    # all nix commands will need a working nixpkgs installation
+    extraEnviron = { NIX_PATH="/var/src"; };
+  };
+}