Add caldance buildbot and optimize a bit the drivations

- Add caldance derivation
- Move buildbot_common inside the repository
- Avoid rebuilding all buildbot instances when modifying one project
- Prepare for non-local workers

1 files changed, 146 insertions, 0 deletions

diff --git a/nixops/modules/buildbot/projects/caldance/__init__.py b/nixops/modules/buildbot/projects/caldance/__init__.py
new file mode 100644
index 0000000..e28ef72
--- /dev/null
+++ b/nixops/modules/buildbot/projects/caldance/__init__.py
@@ -0,0 +1,146 @@
+from buildbot.plugins import *
+from buildbot_common.build_helpers import *
+import os
+
+__all__ = [ "configure", "E" ]
+
+class E():
+    PROJECT       = "caldance"
+    BUILDBOT_URL  = "https://git.immae.eu/buildbot/{}/".format(PROJECT)
+    SOCKET        = "unix:/run/buildbot/{}.sock".format(PROJECT)
+    PB_SOCKET     = "unix:address=/run/buildbot/{}_pb.sock".format(PROJECT)
+    RELEASE_PATH  = "/var/lib/ftp/release.immae.eu/{}".format(PROJECT)
+    RELEASE_URL   = "https://release.immae.eu/{}".format(PROJECT)
+    GIT_URL       = "gitolite@git.immae.eu:perso/simon_descarpentries/www.cal-dance.com"
+    SSH_KEY_PATH  = "/var/lib/buildbot/buildbot_key"
+    SSH_HOST_KEY  = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIFbhFTl2A2RJn5L51yxJM4XfCS2ZaiSX/jo9jFSdghF"
+    LDAP_HOST     = "ldap.immae.eu"
+    LDAP_DN       = "cn=buildbot,ou=services,dc=immae,dc=eu"
+    LDAP_ROLES_BASE = "ou=roles,ou=hosts,dc=immae,dc=eu"
+
+    PUPPET_HOST = {
+            "integration": "root@caldance.immae.eu",
+            }
+
+    # master.cfg
+    SECRETS_FILE       = os.getcwd() + "/secrets"
+    LDAP_URL           = "ldaps://ldap.immae.eu:636"
+    LDAP_ADMIN_USER    = "cn=buildbot,ou=services,dc=immae,dc=eu"
+    LDAP_BASE          = "dc=immae,dc=eu"
+    LDAP_PATTERN       = "(uid=%(username)s)"
+    LDAP_GROUP_PATTERN = "(&(memberOf=cn=groups,ou=caldance,cn=buildbot,ou=services,dc=immae,dc=eu)(member=%(dn)s))"
+    TITLE_URL          = "https://caldance.immae.eu"
+    TITLE              = "Caldance"
+
+def configure(c):
+    c["buildbotURL"] = E.BUILDBOT_URL
+    c["www"]["port"] = E.SOCKET
+
+    c['workers'].append(worker.LocalWorker("generic-worker"))
+    c['workers'].append(worker.LocalWorker("deploy-worker"))
+
+    c['schedulers'].append(hook_scheduler("Caldance", timer=1))
+    c['schedulers'].append(force_scheduler("force_caldance", ["Caldance_build"]))
+    c['schedulers'].append(deploy_scheduler("deploy_caldance", ["Caldance_deploy"]))
+
+    c['builders'].append(factory("caldance"))
+
+    c['builders'].append(deploy_factory("caldance"))
+
+    c['services'].append(SlackStatusPush(
+        name="slack_status_caldance",
+        builders=["Caldance_build", "Caldance_deploy"],
+        serverUrl=open(E.SECRETS_FILE + "/slack_webhook", "r").read().rstrip()))
+
+def factory(project, ignore_fails=False):
+    release_file = "{1}/{0}_%(kw:clean_branch)s.tar.gz"
+
+    package = util.Interpolate("{0}_%(kw:clean_branch)s.tar.gz".format(project), clean_branch=clean_branch)
+    package_dest = util.Interpolate(release_file.format(project, E.RELEASE_PATH), clean_branch=clean_branch)
+    package_url = util.Interpolate(release_file.format(project, E.RELEASE_URL), clean_branch=clean_branch)
+
+    factory = util.BuildFactory()
+    factory.addStep(steps.Git(logEnviron=False, repourl=E.GIT_URL,
+        sshPrivateKey=open(E.SSH_KEY_PATH).read().rstrip(),
+        sshHostKey=E.SSH_HOST_KEY, mode="full", method="copy"))
+    factory.addSteps(package_and_upload(package, package_dest, package_url))
+
+    return util.BuilderConfig(
+            name="{}_build".format(project.capitalize()),
+            workernames=["generic-worker"], factory=factory)
+
+def compute_build_infos(project):
+    @util.renderer
+    def compute(props):
+        import re, hashlib
+        build_file = props.getProperty("build")
+        package_dest = "{1}/{0}".format(build_file, E.RELEASE_PATH)
+        version = re.match(r"{0}_(.*).tar.gz".format(project), build_file).group(1)
+        with open(package_dest, "rb") as f:
+            sha = hashlib.sha256(f.read()).hexdigest()
+        return {
+                "build_version": version,
+                "build_hash": sha,
+                }
+    return compute
+
+@util.renderer
+def puppet_host(props):
+    environment = props["environment"] if props.hasProperty("environment") else "integration"
+    return E.PUPPET_HOST.get(environment, "host.invalid")
+
+def deploy_factory(project):
+    package_dest = util.Interpolate("{0}/%(prop:build)s".format(E.RELEASE_PATH))
+
+    factory = util.BuildFactory()
+    factory.addStep(steps.MasterShellCommand(command=["test", "-f", package_dest]))
+    factory.addStep(steps.SetProperties(properties=compute_build_infos(project)))
+    factory.addStep(LdapPush(environment=util.Property("environment"),
+        project=project, build_version=util.Property("build_version"),
+        build_hash=util.Property("build_hash"), ldap_password=util.Secret("ldap")))
+    factory.addStep(steps.MasterShellCommand(command=[
+        "ssh", "-o", "UserKnownHostsFile=/dev/null", "-o", "StrictHostKeyChecking=no", "-o", "CheckHostIP=no", "-i", E.SSH_KEY_PATH, puppet_host]))
+    return util.BuilderConfig(name="{}_deploy".format(project.capitalize()), workernames=["deploy-worker"], factory=factory)
+
+from twisted.internet import defer
+from buildbot.process.buildstep import FAILURE
+from buildbot.process.buildstep import SUCCESS
+from buildbot.process.buildstep import BuildStep
+
+class LdapPush(BuildStep):
+    name = "LdapPush"
+    renderables = ["environment", "project", "build_version", "build_hash", "ldap_password"]
+
+    def __init__(self, **kwargs):
+        self.environment = kwargs.pop("environment")
+        self.project = kwargs.pop("project")
+        self.build_version = kwargs.pop("build_version")
+        self.build_hash = kwargs.pop("build_hash")
+        self.ldap_password = kwargs.pop("ldap_password")
+        self.ldap_host = kwargs.pop("ldap_host", E.LDAP_HOST)
+        super().__init__(**kwargs)
+
+    def run(self):
+        import json
+        from ldap3 import Reader, Writer, Server, Connection, ObjectDef
+        server = Server(self.ldap_host)
+        conn = Connection(server,
+                user=E.LDAP_DN,
+                password=self.ldap_password)
+        conn.bind()
+        obj = ObjectDef("immaePuppetClass", conn)
+        r = Reader(conn, obj,
+                "cn=caldance.{},{}".format(self.environment, E.LDAP_ROLES_BASE))
+        r.search()
+        if len(r) > 0:
+            w = Writer.from_cursor(r)
+            for value in w[0].immaePuppetJson.values:
+                config = json.loads(value)
+                if "role::caldance::{}_version".format(self.project) in config:
+                    config["role::caldance::{}_version".format(self.project)] = self.build_version
+                    config["role::caldance::{}_sha256".format(self.project)] = self.build_hash
+                    w[0].immaePuppetJson -= value
+                    w[0].immaePuppetJson += json.dumps(config, indent="  ")
+                    w.commit()
+                    return defer.succeed(SUCCESS)
+        return defer.succeed(FAILURE)