def ensure(**kwargs):
""" Ensure that the hostname for each host is set correctly according to parameters. """
if env.host in kwargs:
if is_debian_or_ubuntu():
run("""echo "%s" > /etc/hostname""" % kwargs[env.host])
run("""sysctl kernel.hostname=%s""" % kwargs[env.host])
import service
svc = {"hostname.sh": "restarted"}
service.ensure(**svc)
def ensure(**kwargs):
""" Ensure that the hostname for each host is set correctly according to parameters. """
if env.host in kwargs:
if is_debian_or_ubuntu():
run("""echo "%s" > /etc/hostname""" % kwargs[env.host])
run("""sysctl kernel.hostname=%s""" % kwargs[env.host])
import service
svc = {"hostname.sh":"restarted"}
service.ensure(**svc)
def deploy():
""" Install and configure and start cups client. """
if not is_debian_or_ubuntu():
print red("Cannot deploy to non-debian/ubuntu host: %s" % env.host)
return
import apt, service
packages = {"cupsys":"latest", "cups-client":"latest"}
apt.ensure(**packages)
configure()
service.ensure(cupsys="restarted")
def deploy(server=config.get("syslog_client", {}).get("syslog_server", ""),
proto=config.get("syslog_client", {}).get("syslog_proto", ""),
port=config.get("syslog_client", {}).get("syslog_port", ""),
scope=config.get("syslog_client", {}).get("syslog_scope", "")):
""" Configure and re-start syslog. """
if not is_debian_or_ubuntu():
print red("Cannot deploy to non-debian/ubuntu host: %s" % env.host)
return
with cd("/etc/init.d"):
svcn = run("ls -1 *sys*log*")
svcn = svcn.split("\n")[0]
if exists("/etc/syslog.conf"):
conf = "/etc/syslog.conf"
elif exists("/etc/rsyslog.conf"):
conf = "/etc/rsyslog.conf"
with hide("running", "stdout", "stderr"):
config = run("cat %s" % conf)
line = "%s %s%s:%s" % (scope, "@@" if proto == "tcp" else "@", server,
port)
if config.find(server) > -1:
# Check if current config matches existing config
if config.find(line) > -1:
print green("%s: No changes necessary" % env.host)
return True
else:
config_lines = config.split("\n")
for i, l in enumerate(config_lines):
if l.find(server) > -1:
config_lines[i] = line
break
config = "\n".join(config_lines)
config += "\n"
else:
config = ("\n" + line + "\n") + config
config = config.replace("\n\n", "\n")
fn = os.path.join("templates", uuid.uuid1().hex)
with open(fn, "wb") as outf:
outf.write(config)
# Put the file on the server
upload_template(fn, conf)
os.remove(fn)
kw = {}
kw[svcn] = "restarted"
import service
service.ensure(**kw)
def deploy(server=config.get("syslog_client", {}).get("syslog_server", ""),
proto=config.get("syslog_client", {}).get("syslog_proto", ""),
port=config.get("syslog_client", {}).get("syslog_port", ""),
scope=config.get("syslog_client", {}).get("syslog_scope", "")):
""" Configure and re-start syslog. """
if not is_debian_or_ubuntu():
print red("Cannot deploy to non-debian/ubuntu host: %s" % env.host)
return
with cd("/etc/init.d"):
svcn = run("ls -1 *sys*log*")
svcn = svcn.split("\n")[0]
if exists("/etc/syslog.conf"):
conf = "/etc/syslog.conf"
elif exists("/etc/rsyslog.conf"):
conf = "/etc/rsyslog.conf"
with hide("running", "stdout", "stderr"):
config = run("cat %s" % conf)
line = "%s %s%s:%s" % (scope, "@@" if proto == "tcp" else "@", server, port)
if config.find(server) > -1:
# Check if current config matches existing config
if config.find(line) > -1:
print green("%s: No changes necessary" % env.host)
return True
else:
config_lines = config.split("\n")
for i, l in enumerate(config_lines):
if l.find(server) > -1:
config_lines[i] = line
break
config = "\n".join(config_lines)
config += "\n"
else:
config = ("\n" + line + "\n") + config
config = config.replace("\n\n", "\n")
fn = os.path.join("templates", uuid.uuid1().hex)
with open(fn, "wb") as outf:
outf.write(config)
# Put the file on the server
upload_template(fn, conf)
os.remove(fn)
kw = {}
kw[svcn] = "restarted"
import service
service.ensure(**kw)
def ensure_workers(cfn,
config,
server_ip,
current_count,
lower_count=-1,
upper_count=-1,
force_update=False):
"Ensures that the build workers conform to spec."
if server_ip == "NULL":
if upper_count == 0:
return service.Response.UpToDate
return service.Response.WaitingForPrecondition
auth_info = auth.get_authenticator(config).get_server_auth_info()
return service.ensure(
cfn,
stack_name=config["stacks"]["workers"],
template_body=template('worker.yaml'),
parameters={
"StackName": config["stacks"]["infra"],
"ServerIP": server_ip,
"WorkerImage": config["worker_image"],
"LogsRegion": config["awslogs_region"],
"LogsGroup": config["awslogs_group"],
"TrustCertCollection": auth_info["ca_crt"],
"ClientPrivateKey": auth_info["client_pkcs8_key"],
"WorkerCertChain": auth_info["client_crt"],
},
current_count=current_count,
lower_count=lower_count,
upper_count=upper_count,
force_update=force_update)
def ensure_servers(cfn,
config,
current_count,
lower_count=-1,
upper_count=-1,
force_update=False):
"""Ensure that the build servers conform to spec."""
auth_info = auth.get_authenticator(config).get_server_auth_info()
return service.ensure(
cfn,
stack_name=config["stacks"]["server"],
template_body=template('server.yaml'),
parameters={
"StackName": config["stacks"]["infra"],
"ServerImage": config["server_image"],
"LogsRegion": config["awslogs_region"],
"LogsGroup": config["awslogs_group"],
"CertChain": auth_info["server_crt"],
"PrivateKey": auth_info["server_pkcs8_key"],
"ClientCertChain": auth_info["ca_crt"],
},
current_count=current_count,
lower_count=lower_count,
upper_count=upper_count,
force_update=force_update)
def deploy():
""" Install, configure and start snmpd. """
if not is_debian_or_ubuntu():
print red("Cannot deploy to non-debian/ubuntu host: %s" % env.host)
return
import apt, service
packages = {"snmpd":"latest"}
if run("cat /etc/issue").find("6.0") > -1:
# its debian 6
packages["snmp-mibs-downloader"] = "installed"
apt.ensure(**packages)
configure()
service.ensure(snmpd="restarted")
def test_current_count_is_desired_count(self):
resp = service.ensure(cfn=None,
stack_name="my_stack_name",
template_body="my_template_body",
parameters={},
current_count=10,
lower_count=5,
upper_count=15)
self.assertEqual(resp, service.Response.UpToDate)
def deploy(server=config.get("ntp_client", {}).get("ntp_server", "")):
""" Install, configure and start ntp sync and timezone. """
if not is_debian_or_ubuntu():
print red("Cannot deploy to non-debian/ubuntu host: %s" % env.host)
return
import apt, service
packages = {"ntp":"latest", "ntpdate":"latest"}
apt.ensure(**packages)
configure()
# Sync with server
run("ntpdate %s" % server)
# Sync hardware clock to correct time
run("hwclock --systohc")
service.ensure(ntp="restarted")
timezone()
def deploy(server=config.get("ntp_client", {}).get("ntp_server", "")):
""" Install, configure and start ntp sync and timezone. """
if not is_debian_or_ubuntu():
print red("Cannot deploy to non-debian/ubuntu host: %s" % env.host)
return
import apt, service
packages = {"ntp": "latest", "ntpdate": "latest"}
apt.ensure(**packages)
configure()
# Sync with server
run("ntpdate %s" % server)
# Sync hardware clock to correct time
run("hwclock --systohc")
service.ensure(ntp="restarted")
timezone()
def deploy():
""" Install, configure and start webmin. """
if not utils.is_debian_or_ubuntu():
print red("Cannot deploy to non-debian/ubuntu host: %s" % env.host)
return
# Check if webmin is installed
installed, upgradeable = apt.status("webmin")
if not installed:
packages = {
"libnet-ssleay-perl":"latest",
"libauthen-pam-perl":"latest",
"libio-pty-perl":"latest",
"libmd5-perl":"latest"
}
apt.ensure(**packages)
download()
install()
service.ensure(webmin="running")
def enabled(**kwargs):
""" Ensure nginx web proxying to a sub-domain is enabled """
if len(kwargs) < 1:
usage()
changed = False
for sub, url in kwargs.iteritems():
template = "web_nginx.template"
if url.lower().startswith("https:"):
template = "web_ssl_nginx.template"
params = {}
params.update(config.get("web", {}))
params['sub'] = sub
params['url'] = url
changed = changed or reconfigure(template, params, "/etc/nginx/sites-available/%s" % sub)
if not exists("/etc/nginx/sites-enabled/%s" % sub):
changed = True
run("ln -s /etc/nginx/sites-available/%s /etc/nginx/sites-enabled/%s" % (sub, sub))
if changed:
import service
service.ensure(nginx="restarted")
def test_already_updating(self):
cfn = boto3.client('cloudformation', region_name="eu-west-1")
stubber = Stubber(cfn)
_add_describe_stacks_response(stubber, StackStatus="test")
stubber.activate()
resp = service.ensure(cfn=cfn,
stack_name="my_stack_name",
template_body="my_template_body",
parameters={},
current_count=5,
lower_count=10)
self.assertEqual(resp, service.Response.AlreadyUpdating)
stubber.assert_no_pending_responses()
def test_nothing_to_update(self):
cfn = boto3.client('cloudformation', region_name="eu-west-1")
stubber = Stubber(cfn)
_add_describe_stacks_response(stubber, StackStatus="CREATE_COMPLETE")
stubber.add_client_error(
"update_stack", service_message="No updates are to be performed.")
stubber.activate()
resp = service.ensure(cfn=cfn,
stack_name="my_stack_name",
template_body="my_template_body",
parameters={},
current_count=5,
lower_count=10)
self.assertEqual(resp, service.Response.UpToDate)
stubber.assert_no_pending_responses()