def create(obj, profile_name, url, user):
'''Create a new profile'''
if not url.startswith('http'):
url = 'https://{}'.format(url)
saml_xml, roles = saml_login(user, url)
if not roles:
error('No roles found')
exit(1)
if len(roles) == 1:
role = roles[0]
if role[2] is None:
role = (role[0], role[1], profile_name)
else:
role = choice('Please select one role', [(r, get_role_label(r)) for r in sorted(roles)])
data = obj['config']
if not data:
data = {}
data[profile_name] = {
'saml_identity_provider_url': url,
'saml_role': role,
'saml_user': user
}
path = obj['config-file']
with Action('Storing new profile in {}..'.format(path)):
os.makedirs(obj['config-dir'], exist_ok=True)
with open(path, 'w') as fd:
yaml.safe_dump(data, fd)
def delete(config, type, resource, execute):
'''Delete a Kubernetes resource or Cloud Formation stack'''
if type == 'kubernetes':
parts = resource.split('/')
if len(parts) != 2:
error('Kubernetes resource must be KIND/NAME')
raise click.Abort()
kind, name = parts
info('Deleting Kubernetes {} {}..'.format(kind, name))
cluster_id = config.get('kubernetes_cluster')
namespace = config.get('kubernetes_namespace')
path = '/kubernetes-clusters/{}/namespaces/{}/{}/{}'.format(
cluster_id, namespace, kind, name)
else:
info('Deleting Cloud Formation stack {}..'.format(resource))
aws_account = config.get('aws_account')
aws_region = config.get('aws_region')
path = '/aws-accounts/{}/regions/{}/cloudformation-stacks/{}'.format(
aws_account, aws_region, resource)
response = request(config, requests.delete, path)
change_request_id = response.json()['id']
if execute:
approve_and_execute(config, change_request_id)
else:
print(change_request_id)
def output(output):
'''Example for all possible Echo Formats
You see the message only, if the Output TEXT
'''
with OutputFormat(output):
action('This is a ok:')
ok()
action('This is a ok with message:')
ok('all is fine')
action('This is a warning:')
warning('please check this')
with Action('Start with working..') as act:
# save_the_world()
act.progress()
act.progress()
act.progress()
act.progress()
print_table('id name'.split(), [{
'id': 1,
'name': 'Test #1'
}, {
'id': 2,
'name': 'Test #2'
}])
info('Only FYI')
action('This is a error:')
error('this is wrong, please fix')
action('This is a fatal error:')
fatal_error('this is a fuckup')
info('I\'am not printed, the process a dead')
def push_entity(ctx, entity):
if entity[-4:] == "json" and os.path.exists(entity):
with open(entity, 'rb') as file:
entity = file.read()
data = json.loads(entity.decode())
elif entity[-4:] == 'yaml' and os.path.exists(entity):
with open(entity, 'rb') as fd:
data = yaml.safe_load(fd)
else:
data = json.loads(entity)
if not isinstance(data, list):
data = [data]
for e in data:
action("creating entity...{}".format(e['id']))
try:
entity = json.dumps(e)
r = put('/entities/', entity)
if r.status_code == 200:
ok()
else:
error()
except:
error("failed")
def gather_user_variables(variables, region):
prompt(variables, 'wal_s3_bucket', 'Postgres WAL S3 bucket to use', default='zalando-spilo-app')
prompt(variables, 'instance_type', 'EC2 instance type', default='t2.micro')
prompt(variables, 'hosted_zone', 'Hosted Zone', default=get_default_zone(region) or 'example.com')
if (variables['hosted_zone'][-1:] != '.'):
variables['hosted_zone'] += '.'
prompt(variables, 'discovery_url', 'ETCD Discovery URL', default='postgres.'+variables['hosted_zone'][:-1])
variables['postgres_port'] = POSTGRES_PORT
variables['healthcheck_port'] = HEALTHCHECK_PORT
sg_name = 'app-spilo'
variables['spilo_sg_id'] = get_security_group(region, sg_name).id
rules_missing = check_security_group(sg_name, [('tcp', 22), ('tcp', POSTGRES_PORT), ('tcp', HEALTHCHECK_PORT)],
region, allow_from_self=True)
if ('tcp', 22) in rules_missing:
warning('Security group {} does not allow SSH access, you will not be able to ssh into your servers'.format(
sg_name))
if ('tcp', POSTGRES_PORT) in rules_missing:
error('Security group {} does not allow inbound TCP traffic on the default postgres port ({})'.format(
sg_name, POSTGRES_PORT
))
if ('tcp', HEALTHCHECK_PORT) in rules_missing:
error('Security group {} does not allow inbound TCP traffic on the default health check port ({})'.format(
sg_name, HEALTHCHECK_PORT
))
check_s3_bucket(variables['wal_s3_bucket'], region)
return variables
def traffic(config, application, release, percent, execute):
cluster_id = config.get('kubernetes_cluster')
namespace = config.get('kubernetes_namespace')
ingress = kubectl_get(namespace, 'ingresses', application)
if release is None and percent is None:
print(json.dumps(get_ingress_backends(ingress)))
return
backend = '{}-{}'.format(application, release)
backend_weights = calculate_backend_weights(ingress, backend, percent)
if len(backend_weights) == 0:
error('Failed to find ingress backends {}'.format(backend))
raise click.Abort()
# update ingress resource
resources_update = ResourcesUpdate()
resources_update.set_annotation(application,
# ~1 == / in json patch
INGRESS_BACKEND_WEIGHT_ANNOTATION_KEY.replace('/', '~1'),
json.dumps(backend_weights),
'ingresses')
path = '/kubernetes-clusters/{}/namespaces/{}/resources'.format(cluster_id, namespace)
response = request(config, requests.patch, path, json=resources_update.to_dict())
change_request_id = response.json()['id']
if execute:
approve_and_execute(config, change_request_id)
else:
print(change_request_id)
def get_config_data(config_file=DEFAULT_CONFIG_FILE):
fn = os.path.expanduser(config_file)
data = {}
try:
if os.path.exists(fn):
with open(fn) as fd:
data = yaml.safe_load(fd)
else:
clickclick.warning(
'No configuration file found at [{}]'.format(config_file))
data['url'] = click.prompt(
'ZMON Base URL (e.g. https://zmon.example.org/api/v1)')
# TODO: either ask for fixed token or Zign
data['user'] = click.prompt('ZMON username',
default=os.environ['USER'])
with open(fn, mode='w') as fd:
yaml.dump(data,
fd,
default_flow_style=False,
allow_unicode=True,
encoding='utf-8')
except Exception as e:
error(e)
return validate_config(data)
def print_problem(error):
problem = error.response.json()
clickclick.error('Failed.')
clickclick.error('Status: {}'.format(problem['status']))
clickclick.error('Title: {}'.format(problem['title']))
clickclick.error('Details: {}'.format(problem['detail']))
clickclick.error('FlowId: {}'.format(problem['flow_id']))
def output(output):
'''Example for all possible Echo Formats
You see the message only, if the Output TEXT
'''
with OutputFormat(output):
action('This is a ok:')
ok()
action('This is a ok with message:')
ok('all is fine')
action('This is a warning:')
warning('please check this')
with Action('Start with working..') as act:
# save_the_world()
act.progress()
act.progress()
act.progress()
act.progress()
print_table('id name'.split(), [{'id': 1, 'name': 'Test #1'}, {'id': 2, 'name': 'Test #2'}])
info('Only FYI')
action('This is a error:')
error('this is wrong, please fix')
action('This is a fatal error:')
fatal_error('this is a fuckup')
info('I\'am not printed, the process a dead')
def create(obj, profile_name, url, user):
'''Create a new profile'''
if not url.startswith('http'):
url = 'https://{}'.format(url)
saml_xml, roles = saml_login(user, url)
if not roles:
error('No roles found')
exit(1)
if len(roles) == 1:
role = roles[0]
if role[2] is None:
role = (role[0], role[1], profile_name)
else:
role = choice('Please select one role', [(r, get_role_label(r)) for r in sorted(roles)])
data = obj['config']
if not data:
data = {}
data[profile_name] = {
'saml_identity_provider_url': url,
'saml_role': role,
'saml_user': user
}
path = obj['config-file']
with Action('Storing new profile in {}..'.format(path)):
os.makedirs(obj['config-dir'], exist_ok=True)
with open(path, 'w') as fd:
yaml.safe_dump(data, fd)
def login(obj, url, realm, name, user, password):
'''Login to Pier One Docker registry (generates ~/.dockercfg'''
config = obj
url = url or config.get('url')
user = user or os.getenv('USER')
while not url:
url = click.prompt('Please enter the Pier One URL')
if not url.startswith('http'):
url = 'https://{}'.format(url)
try:
requests.get(url, timeout=5)
except:
error('Could not reach {}'.format(url))
url = None
config['url'] = url
os.makedirs(CONFIG_DIR_PATH, exist_ok=True)
with open(CONFIG_FILE_PATH, 'w') as fd:
yaml.dump(config, fd)
docker_login(url, realm, name, user, password, prompt=True)
def add_phone(ctx, member_email, phone_nr):
action("Adding phone ....")
r = put("/groups/{}/phone/{}/".format(member_email, phone_nr))
if r.text == '1':
ok()
else:
error("failed to set phone")
def delete_old_services(config, application, version, release, execute):
'''Delete old releases'''
namespace = config.get('kubernetes_namespace')
kubectl_login(config)
data = kubectl_get(namespace, 'services', '-l', 'application={}'.format(application))
services = data['items']
target_service_name = '{}-{}'.format(application, release)
services_to_delete = []
service_found = False
for service in sorted(services, key=lambda d: d['metadata']['name'], reverse=True):
service_name = service['metadata']['name']
if service_name == target_service_name:
service_found = True
else:
services_to_delete.append(service_name)
if not service_found:
error('Service {} was not found.'.format(target_service_name))
raise click.Abort()
for service_name in services_to_delete:
info('Deleting service {}..'.format(service_name))
cluster_id = config.get('kubernetes_cluster')
namespace = config.get('kubernetes_namespace')
path = '/kubernetes-clusters/{}/namespaces/{}/services/{}'.format(
cluster_id, namespace, service_name)
response = request(config, requests.delete, path)
change_request_id = response.json()['id']
if execute:
approve_and_execute(config, change_request_id)
else:
print(change_request_id)
def remove_phone(ctx, member_email, phone_nr):
action("Removing phone number ....")
r = delete("/groups/{}/phone/{}/".format(member_email, phone_nr))
if r.text == '1':
ok()
else:
error("failed to remove phone")
def gather_user_variables(variables, region):
prompt(variables, 'application_id', 'Application ID', default='hello-world')
prompt(variables, 'docker_image', 'Docker image without tag/version (e.g. "pierone.example.org/myteam/myapp")',
default='stups/hello-world')
prompt(variables, 'http_port', 'HTTP port', default=8080, type=int)
prompt(variables, 'http_health_check_path', 'HTTP health check path', default='/')
prompt(variables, 'instance_type', 'EC2 instance type', default='t2.micro')
prompt(variables, 'mint_bucket', 'Mint S3 bucket name', default=lambda: get_mint_bucket_name(region))
http_port = variables['http_port']
sg_name = 'app-{}'.format(variables['application_id'])
rules_missing = check_security_group(sg_name, [('tcp', 22), ('tcp', http_port)], region, allow_from_self=True)
if ('tcp', 22) in rules_missing:
warning('Security group {} does not allow SSH access, you will not be able to ssh into your servers'.format(
sg_name))
if ('tcp', http_port) in rules_missing:
error('Security group {} does not allow inbound TCP traffic on the specified HTTP port ({})'.format(
sg_name, http_port
))
rules_missing = check_security_group(sg_name + '-lb', [('tcp', 443)], region)
if rules_missing:
error('Load balancer security group {} does not allow inbound HTTPS traffic'.format(sg_name))
check_iam_role(variables['application_id'], variables['mint_bucket'], region)
return variables
def group_remove(ctx, group_name, user_name):
action("Removing user ....")
r = delete("/groups/{}/member/{}/".format(group_name, user_name))
if r.text == '1':
ok()
else:
error("failed to remove")
def __call__(self, *args, **kwargs):
try:
self.function(*args, **kwargs)
except NoCredentialsError:
self.die_credential_error()
except ClientError as e:
sys.stdout.flush()
if is_credentials_expired_error(e):
print('AWS credentials have expired.\n'
'Use the "mai" command line tool to get a new'
' temporary access key.',
file=sys.stderr)
sys.exit(1)
elif is_access_denied_error(e):
self.die_credential_error()
else:
self.die_unknown_error(e)
except yaml.constructor.ConstructorError as e:
print("Error parsing definition file:")
print(e)
if e.problem == "found unhashable key":
print("Please quote all variable values")
sys.exit(1)
except PiuNotFound as e:
error(e)
print("You can install piu with the following command:",
file=sys.stderr)
print("sudo pip3 install --upgrade stups-piu",
file=sys.stderr)
sys.exit(1)
except Exception as e:
# Catch All
self.die_unknown_error(e)
def group_add(ctx, group_name, user_name):
action("Adding user ....")
r = put("/groups/{}/member/{}/".format(group_name, user_name))
if r.text == '1':
ok()
else:
error("failed to insert")
def updateAlertDef(yaml_file):
"""update a single check definition"""
data = get_config_data()
post = yaml.safe_load(yaml_file)
post['last_modified_by'] = data['user']
if 'status' not in post:
post['status'] = 'ACTIVE'
action('Updating alert definition..')
if 'id' not in post:
error('"id" missing in definition')
return
if 'check_definition_id' not in post:
error('"check_definition_id" missing in definition')
return
alert_id = post['id']
r = requests.put(data['url'] + '/alert-definitions/{}'.format(alert_id), json.dumps(post),
auth=HTTPBasicAuth(data['user'], data['password']), headers={'Content-Type': 'application/json'})
if r.status_code == 200:
ok(get_config_data()["url"].replace("rest/api/v1", "") + "#/alert-details/" + str(r.json()["id"]))
else:
print(r.text)
def get_config_data():
fn = os.path.expanduser(DEFAULT_CONFIG_FILE)
data = {}
try:
if os.path.exists(fn):
with open(fn) as fd:
data = yaml.safe_load(fd)
if 'password' in data:
keyring.set_password("zmon-cli", data['user'], data['password'])
del data['password']
with open(fn, mode='w') as fd:
yaml.dump(data, fd, default_flow_style=False,
allow_unicode=True,
encoding='utf-8')
else:
clickclick.warning("No configuration file found at [{}]".format(DEFAULT_CONFIG_FILE))
data['url'] = click.prompt("ZMon Base URL (e.g. https://zmon2.local/rest/api/v1)")
data['user'] = click.prompt("ZMon username", default=os.environ['USER'])
with open(fn, mode='w') as fd:
yaml.dump(data, fd, default_flow_style=False,
allow_unicode=True,
encoding='utf-8')
except Exception as e:
error(e)
return validate_config(data)
def create_all(obj, url, user):
"""Create for all roles a new own profile"""
if not url.startswith("http"):
url = "https://{}".format(url)
saml_xml, roles = saml_login(user, url)
if not roles:
error("No roles found")
exit(1)
data = obj["config"]
if not data:
data = {}
if len(roles) == 1:
if roles[0][2] is None:
roles = [(roles[0][0], roles[0][1], "default")]
for r in sorted(roles):
provider_arn, role_arn, name = r
name = name or "unknown" # name is sometimes missing
profile_name = "{}-{}".format(name.split("-", maxsplit=1)[-1], role_arn.split("-", maxsplit=1)[-1])
data[profile_name] = {"saml_identity_provider_url": url, "saml_role": r, "saml_user": user}
path = obj["config-file"]
with Action("Storing new profile in {}..".format(path)):
os.makedirs(obj["config-dir"], exist_ok=True)
with open(path, "w") as fd:
yaml.safe_dump(data, fd)
def create(obj, profile_name, url, user):
"""Create a new profile"""
if not url.startswith("http"):
url = "https://{}".format(url)
saml_xml, roles = saml_login(user, url)
if not roles:
error("No roles found")
exit(1)
if len(roles) == 1:
role = roles[0]
if role[2] is None:
role = (role[0], role[1], profile_name)
else:
role = choice("Please select one role", [(r, get_role_label(r)) for r in sorted(roles)])
data = obj["config"]
if not data:
data = {}
data[profile_name] = {"saml_identity_provider_url": url, "saml_role": role, "saml_user": user}
path = obj["config-file"]
with Action("Storing new profile in {}..".format(path)):
os.makedirs(obj["config-dir"], exist_ok=True)
with open(path, "w") as fd:
yaml.safe_dump(data, fd)
def get_named_token(scope, realm, name, user, password, url=None, insecure=False, refresh=False, use_keyring=True):
if name and not refresh:
existing_token = get_existing_token(name)
if existing_token:
return existing_token
config = get_config()
url = url or config.get('url')
while not url:
url = click.prompt('Please enter the OAuth access token service URL')
if not url.startswith('http'):
url = 'https://{}'.format(url)
try:
requests.get(url, timeout=5, verify=not insecure)
except:
error('Could not reach {}'.format(url))
url = None
config['url'] = url
os.makedirs(CONFIG_DIR_PATH, exist_ok=True)
with open(CONFIG_FILE_PATH, 'w') as fd:
yaml.dump(config, fd)
password = password or keyring.get_password(KEYRING_KEY, user)
if not password:
password = click.prompt('Password', hide_input=True)
result = get_new_token(realm, scope, user, password, url=url, insecure=insecure)
if result and use_keyring:
keyring.set_password(KEYRING_KEY, user, password)
access_token = result.get('access_token')
if not access_token:
raise click.UsageError(yaml.safe_dump(result))
if name:
try:
with open(TOKENS_FILE_PATH) as fd:
data = yaml.safe_load(fd)
except:
data = None
if not data:
data = {}
data[name] = result
data[name]['creation_time'] = time.time()
with open(TOKENS_FILE_PATH, 'w') as fd:
yaml.safe_dump(data, fd)
return result
def connection_error(e: requests.ConnectionError, fatal=True):
reason = e.args[0].reason # type: requests.packages.urllib3.exceptions.NewConnectionError
_, pretty_reason = str(reason).split(':', 1)
msg = ' {}'.format(pretty_reason)
if fatal:
fatal_error(msg)
else:
error(msg)
def switch_active(ctx, group_name, user_name):
action("Switching active user ....")
r = delete("/groups/{}/active/".format(group_name))
r = put("/groups/{}/active/{}/".format(group_name, user_name))
if r.text == '1':
ok()
else:
error("failed to switch")
def delete(url):
data = get_config_data()
response = request(requests.delete, url)
if response.status_code == 401:
clickclick.error("Authorization failed")
data['password'] = query_password(data['user'])
return delete(url)
response.raise_for_status()
return response
def gather_user_variables(variables, region):
# maximal 32 characters because of the loadbalancer-name
prompt(variables,
'application_id',
'Application ID',
default='hello-world',
value_proc=check_value(32, '^[a-zA-Z][-a-zA-Z0-9]*$'))
prompt(
variables,
'docker_image',
'Docker image without tag/version (e.g. "pierone.example.org/myteam/myapp")',
default='stups/hello-world')
prompt(variables, 'http_port', 'HTTP port', default=8080, type=int)
prompt(variables,
'http_health_check_path',
'HTTP health check path',
default='/')
prompt(variables, 'instance_type', 'EC2 instance type', default='t2.micro')
if 'pierone' in variables['docker_image'] or confirm(
'Did you need OAuth-Credentials from Mint?'):
prompt(variables,
'mint_bucket',
'Mint S3 bucket name',
default=lambda: get_mint_bucket_name(region))
else:
variables['mint_bucket'] = None
http_port = variables['http_port']
sg_name = 'app-{}'.format(variables['application_id'])
rules_missing = check_security_group(sg_name, [('tcp', 22),
('tcp', http_port)],
region,
allow_from_self=True)
if ('tcp', 22) in rules_missing:
warning(
'Security group {} does not allow SSH access, you will not be able to ssh into your servers'
.format(sg_name))
if ('tcp', http_port) in rules_missing:
error(
'Security group {} does not allow inbound TCP traffic on the specified HTTP port ({})'
.format(sg_name, http_port))
rules_missing = check_security_group(sg_name + '-lb', [('tcp', 443)],
region)
if rules_missing:
error(
'Load balancer security group {} does not allow inbound HTTPS traffic'
.format(sg_name))
check_iam_role(variables['application_id'], variables['mint_bucket'],
region)
return variables
def delete_check_definition(check_id):
'''Delete an orphan check definition'''
action('delete check id {} ...'.format(check_id))
r = delete('/check-definitions/{}'.format(check_id))
if r.status_code == 200:
ok()
else:
error(r.text)
def post(url, body):
data = get_config_data()
response = request(requests.post, url, data=body,
headers={'content-type': 'application/json'})
if response.status_code == 401:
clickclick.error("Authorization failed")
data['password'] = query_password(data['user'])
return get(url)
response.raise_for_status()
return response
def check_redis_host(host, port=6379):
action("Check Redis on {}".format(host))
action("...")
try:
r = StrictRedis(host, port)
workers = r.smembers("zmon:metrics")
ok()
return r, workers
except Exception as e:
error(e)
def get_entity(ctx, entity_id):
try:
r = get('/entities/{}/'.format(urllib.parse.quote_plus(entity_id)))
if r.status_code == 200 and r.text != "":
print(dump_yaml(r.json()))
else:
action("getting entity " + entity_id + "...")
error("not found")
except Exception as ex:
error("Exception during get entity: " + str(ex))
def delete_entity(ctx, entity_id):
action("delete entity... {}".format(entity_id))
try:
r = delete('/entities/?id={}'.format(urllib.parse.quote_plus(entity_id)))
if r.status_code == 200 and r.text == "1":
ok()
else:
error("Delete unsuccessfull")
except Exception as ex:
error("Exception during delete: " + str(ex))
def gather_user_variables(variables, region):
if click.confirm('Do you want to set the docker image now? [No]'):
prompt(variables, "docker_image", "Docker Image Version", default=get_latest_spilo_image())
prompt(variables, 'wal_s3_bucket', 'Postgres WAL S3 bucket to use', default='zalando-spilo-app')
prompt(variables, 'instance_type', 'EC2 instance type', default='t2.micro')
prompt(variables, 'hosted_zone', 'Hosted Zone', default=get_default_zone(region) or 'example.com')
if (variables['hosted_zone'][-1:] != '.'):
variables['hosted_zone'] += '.'
prompt(variables, 'discovery_domain', 'ETCD Discovery Domain',
default='postgres.'+variables['hosted_zone'][:-1])
if variables['instance_type'].lower().split('.')[0] in ('c3', 'g2', 'hi1', 'i2', 'm3', 'r3'):
variables['use_ebs'] = click.confirm('Do you want database data directory on external (EBS) storage? [Yes]',
default=True)
else:
variables['use_ebs'] = True
if variables['use_ebs']:
prompt(variables, 'volume_size', 'Database volume size (GB, 10 or more)', default=10)
prompt(variables, 'volume_type', 'Database volume type (gp2, io1 or standard)', default='gp2')
if variables['volume_type'] == 'io1':
pio_max = variables['volume_size'] * 30
prompt(variables, "volume_iops", 'Provisioned I/O operations per second (100 - {0})'.
format(pio_max), default=str(pio_max))
prompt(variables, "snapshot_id", "ID of the snapshot to populate EBS volume from", default="")
if ebs_optimized_supported(variables['instance_type']):
variables['ebs_optimized'] = True
prompt(variables, "fstype", "Filesystem for the data partition", default="ext4")
prompt(variables, "fsoptions", "Filesystem mount options (comma-separated)",
default="noatime,nodiratime,nobarrier")
prompt(variables, "scalyr_account_key", "Account key for your scalyr account", "")
variables['postgres_port'] = POSTGRES_PORT
variables['healthcheck_port'] = HEALTHCHECK_PORT
sg_name = 'app-spilo'
rules_missing = check_security_group(sg_name,
[('tcp', 22), ('tcp', POSTGRES_PORT), ('tcp', HEALTHCHECK_PORT)],
region, allow_from_self=True)
if ('tcp', 22) in rules_missing:
warning('Security group {} does not allow SSH access, you will not be able to ssh into your servers'.
format(sg_name))
if ('tcp', POSTGRES_PORT) in rules_missing:
error('Security group {} does not allow inbound TCP traffic on the default postgres port ({})'.format(
sg_name, POSTGRES_PORT
))
if ('tcp', HEALTHCHECK_PORT) in rules_missing:
error('Security group {} does not allow inbound TCP traffic on the default health check port ({})'.
format(sg_name, HEALTHCHECK_PORT))
variables['spilo_sg_id'] = get_security_group(region, sg_name).id
check_s3_bucket(variables['wal_s3_bucket'], region)
return variables
def find_latest_docker_image_version(image):
docker_image = pierone.api.DockerImage.parse(image)
if not docker_image.registry:
error('Could not resolve "latest" tag for {}: missing registry.'.format(image))
exit(2)
token = zign.api.get_token('uid', ['uid'])
latest_tag = pierone.api.get_latest_tag(docker_image, token)
if not latest_tag:
error('Could not resolve "latest" tag for {}'.format(image))
exit(2)
return latest_tag
def get_api_server_url(cluster_registry_url: str, cluster_id: str):
token = zign.api.get_token('kubectl', ['uid'])
response = requests.get('{}/kubernetes-clusters/{}'.format(cluster_registry_url, cluster_id),
headers={'Authorization': 'Bearer {}'.format(token)}, timeout=5)
if response.status_code == 404:
error('Kubernetes cluster {} not found in Cluster Registry'.format(cluster_id))
exit(1)
response.raise_for_status()
data = response.json()
url = data.get('api_server_url')
return url
def sli_update(obj, product, sli_name, start, end):
"""Update SLI values"""
client = get_client(obj)
if start and end and start <= end:
error('Relative "end" should be less than "start"')
return
res = client.sli_update(product, sli_name, start=start, end=end)
print(json.dumps(res, indent=4))
def switch_deployment(config, application, version, release, ratio, execute):
'''Switch to new release'''
namespace = config.get('kubernetes_namespace')
kubectl_login(config)
target_replicas, total = ratio.split('/')
target_replicas = int(target_replicas)
total = int(total)
data = kubectl_get(namespace, 'deployments', '-l',
'application={}'.format(application))
deployments = data['items']
target_deployment_name = '{}-{}-{}'.format(application, version, release)
target_deployment_exists = False
for deployment in deployments:
if deployment['metadata']['name'] == target_deployment_name:
target_deployment_exists = True
if not target_deployment_exists:
error("Deployment {} does not exist!".format(target_deployment_name))
exit(1)
resources_update = ResourcesUpdate()
remaining_replicas = total - target_replicas
for deployment in sorted(deployments,
key=lambda d: d['metadata']['name'],
reverse=True):
deployment_name = deployment['metadata']['name']
if deployment_name == target_deployment_name:
replicas = target_replicas
else:
# maybe spread across all other deployments?
replicas = remaining_replicas
remaining_replicas = 0
info('Scaling deployment {} to {} replicas..'.format(
deployment_name, replicas))
resources_update.set_number_of_replicas(deployment_name, replicas)
cluster_id = config.get('kubernetes_cluster')
namespace = config.get('kubernetes_namespace')
path = '/kubernetes-clusters/{}/namespaces/{}/resources'.format(
cluster_id, namespace)
response = request(config,
requests.patch,
path,
json=resources_update.to_dict())
change_request_id = response.json()['id']
if execute:
approve_and_execute(config, change_request_id)
else:
print(change_request_id)
def configure(args):
# naive option parsing
config = {'cluster_registry': None}
for arg in args:
if arg.startswith('--'):
key, val = arg.split('=', 1)
config_key = key[2:].replace('-', '_')
if config_key not in config:
error('Unsupported option "{}"'.format(key))
exit(2)
config[config_key] = val
stups_cli.config.store_config(config, APP_NAME)
def get_entity(ctx, entity_id):
try:
r = get('/entities/{}/'.format(urllib.parse.quote_plus(entity_id)))
if r.status_code == 200 and r.text != "":
print(yaml.safe_dump(r.json(), default_flow_style=False,
allow_unicode=True,
encoding='utf-8').decode('utf-8'))
else:
action("getting entity " + entity_id + "...")
error("not found")
except Exception as ex:
error("Exception during get entity: " + str(ex))
def get_named_token(scope, realm, name, user, password, url=None,
insecure=False, refresh=False, use_keyring=True, prompt=False):
'''get named access token, return existing if still valid'''
if name and not refresh:
existing_token = get_existing_token(name)
if existing_token:
return existing_token
config = get_config()
url = url or config.get('url')
while not url and prompt:
url = click.prompt('Please enter the OAuth access token service URL')
if not url.startswith('http'):
url = 'https://{}'.format(url)
try:
requests.get(url, timeout=5, verify=not insecure)
except:
error('Could not reach {}'.format(url))
url = None
config['url'] = url
stups_cli.config.store_config(config, 'zign')
password = password or keyring.get_password(KEYRING_KEY, user)
while True:
if not password and prompt:
password = click.prompt('Password for {}'.format(user), hide_input=True)
try:
result = get_new_token(realm, scope, user, password, url=url, insecure=insecure)
break
except AuthenticationFailed as e:
if prompt:
error(e)
info('Please check your username and password and try again.')
password = None
else:
raise
if result and use_keyring:
keyring.set_password(KEYRING_KEY, user, password)
if name:
store_token(name, result)
return result
def check_queues(redis):
queues = ['zmon:queue:default', 'zmon:queue:snmp', 'zmon:queue:internal', 'zmon:queue:secure']
for q in queues:
action('Checking queue length ... {} ...'.format(q))
l = redis.llen(q)
action("...")
highlight("{}".format(l))
action(" ...")
if l < 2000:
ok()
continue
error("to many tasks")
def edit_etc_hosts(hosts_file, backup_file, args):
with hosts_file.open() as fd:
old_contents = fd.read()
HEADER = '#### Start of entries generated by local-cname'
if HEADER in old_contents:
error('{} seems to have already been modified by local-cname.'.format(
hosts_file))
info('Remove the local-cname header line from this file to proceed.')
sys.exit(1)
with backup_file.open('w') as fd:
fd.write(old_contents)
try:
while True:
entries = []
with Action('Resolving {} ..'.format(args.to)):
results = socket.getaddrinfo(args.to,
80,
type=socket.SOCK_STREAM)
for result in results:
family, type, proto, canonname, sockaddr = result
if family in (socket.AF_INET, socket.AF_INET6):
ip = sockaddr[0]
entries.append((getattr(args, 'from'), ip))
info('Current entries:')
for hostname, ip in entries:
info('{} -> {}'.format(hostname, ip))
with Action('Writing {} ..'.format(hosts_file)):
with hosts_file.open('w') as fd:
fd.write(old_contents)
fd.write('{}\n'.format(HEADER))
for hostname, ip in entries:
fd.write('{} {}\n'.format(ip, hostname))
time.sleep(60)
except KeyboardInterrupt:
# ignore, do not print stacktrace
pass
finally:
try:
backup_file.rename(hosts_file)
except OSError:
with hosts_file.open('w') as fd:
fd.write(old_contents)
os.remove(backup_file)
def check_schedulers(r, schedulers):
for s in schedulers:
action('Check scheduler {} .....'.format(s[2:]))
try:
ts = r.get("zmon:metrics:{}:ts".format(s))
if ts is None:
error("No scheduling loop registered ( running/stuck? )")
continue
delta = int(time.time() - float(ts))
action("... last loop")
highlight("{}".format(delta))
action("s ago ...")
if delta > 300:
error("Last loop more than 300s ago (stuck? restart?)".format(delta))
continue
if delta > 180:
error("Last loop more than 180s ago (stuck? check logs/watch)".format(delta))
continue
action("...")
ok()
except Exception as e:
error(e)
def request(config: dict, method, path: str, headers=None, exit_on_error=True, **kwargs):
token = zign.api.get_token('uid', ['uid'])
if not headers:
headers = {}
headers['Authorization'] = 'Bearer {}'.format(token)
if config.get('user'):
headers['X-On-Behalf-Of'] = config['user']
api_url = config.get('deploy_api')
url = urllib.parse.urljoin(api_url, path)
response = method(url, headers=headers, timeout=DEFAULT_HTTP_TIMEOUT, **kwargs)
if exit_on_error:
if not (200 <= response.status_code < 400):
error('Server returned HTTP error {} for {}:\n{}'.format(response.status_code, url, response.text))
exit(2)
return response
def test_echo():
action('Action..')
ok()
action('Action..')
error(' some error')
action('Action..')
with pytest.raises(SystemExit):
fatal_error(' some fatal error') # noqa
action('Action..')
warning(' some warning')
info('Some info')
def test_echo():
action('Action..')
ok()
action('Action..')
error(' some error')
action('Action..')
with pytest.raises(SystemExit):
fatal_error(' some fatal error') # noqa
action('Action..')
warning(' some warning')
info('Some info')
def status(config):
"""check system status"""
redis, workers = check_redis_host(config['redis_host'], 6379)
print("")
workers = list(map(lambda x: x.decode(), sorted(workers)))
action("Looking for <30s interval scheduler ...")
scheduler = list(filter(lambda x: x[:7] == 's-p3423', workers))
if not scheduler:
error("not found! check p3423")
else:
action("... running {}".format(scheduler[0][2:]))
ok()
action("Looking for >30s interval scheduler ...")
scheduler = list(filter(lambda x: x[:7] == 's-p3422', workers))
if not scheduler:
error("not found! check p3422")
else:
action("... running {}".format(scheduler[0][2:]))
ok()
action("Looking for NG scheduler ...")
scheduler = list(filter(lambda x: x == 's-p3421.monitor02', workers))
if not scheduler:
error("not found! check p3421 on monitor02")
else:
action("... running {}".format(scheduler[0][2:]))
ok()
action("Looking for self monitoring scheduler ...")
scheduler = list(filter(lambda x: x == 's-p3421.itr-monitor01', workers))
if not scheduler:
error("not found! check p3411 on itr-monitor02")
else:
action("... running {}".format(scheduler[0][2:]))
ok()
print("")
ws = []
ss = []
for w in workers:
if w[:2] == "s-":
ss.append(w)
else:
ws.append(w)
check_schedulers(redis, ss)
print("")
check_queues(redis)
print("")
check_workers(redis, ws)
def raise_for_status(response, elastigroup_id):
try:
response.raise_for_status()
except HTTPError:
status = response.json().get("response", {}).get("status")
details = response.json().get("response", {}).get("errors")[0]
error("HTTP Error: {}[{}]".format(status.get("message"),
status.get("code")))
error("{}[{}]".format(details.get("message"), details.get("code")))
if details.get("code") == "DEPLOYMENT_ALREADY_IN_PROGRESS":
warning(
"An older deploy is still running, check on SpotInst console deployments tab for elastigroup: [{}]."
.format(elastigroup_id))
def delete_deployment(config, deployment, execute):
'''Delete deployment by first scaling down to 0, deleting the deployment
resource and any replicaset resources owned by the deployment.'''
cluster_id = config.get('kubernetes_cluster')
name = deployment['metadata']['name']
namespace = deployment['metadata']['namespace']
# scale deployment to 0 before deleting
_scale_deployment(config, name, namespace, 0, execute)
# with for deployment to be scaled down to 0
timeout = DEFAULT_RESOURCE_DELETION_TIMEOUT
maxtime = time.time() + timeout
while get_replicas(name, namespace) > 0:
if time.time() > maxtime:
error('Timed out after {:d}s waiting for deployment to scale down'.format(timeout))
return
# get replicasets owned by the deployment
replicasets = kubectl_get(namespace, 'replicasets')
owned_rs = get_owned_replicasets(deployment, replicasets['items'])
# delete deployment
info('Deleting deployment {}..'.format(name))
path = '/kubernetes-clusters/{}/namespaces/{}/deployments/{}'.format(
cluster_id, namespace, name)
response = request(config, requests.delete, path)
change_request_id = response.json()['id']
if execute:
approve_and_execute(config, change_request_id)
else:
print(change_request_id)
# delete replicasets
for rs in owned_rs:
name = rs['metadata']['name']
info('Deleting replicaset {}..'.format(name))
path = '/kubernetes-clusters/{}/namespaces/{}/replicasets/{}'.format(
cluster_id, namespace, name)
response = request(config, requests.delete, path)
change_request_id = response.json()['id']
if execute:
approve_and_execute(config, change_request_id)
else:
print(change_request_id)
def agent_error(e: requests.HTTPError, fatal=True):
"""
Prints an agent error and exits
"""
data = e.response.json()
details = data['detail'] # type: str
if details:
lines = ('[AGENT] {}'.format(line) for line in details.splitlines())
msg = '\n' + '\n'.join(lines)
else:
msg = "[AGENT] {status} {title}".format_map(data)
if fatal:
fatal_error(msg)
else:
error(msg)
def agent_error(e: requests.HTTPError, fatal=True):
"""
Prints an agent error and exits
"""
try:
data = e.response.json()
details = data['detail'] # type: str
except JSONDecodeError:
details = e.response.text or str(e.response)
lines = ('[AGENT] {}'.format(line) for line in details.splitlines())
msg = '\n' + '\n'.join(lines)
if fatal:
fatal_error(msg)
else:
error(msg)
def send_request_to_loggly(ctx, request: str):
app_config = ctx.obj.config
if 'loggly_user' not in app_config:
error(
'No Loggly credentials configured. Please set them via `app configure`'
)
response = requests.get(request,
auth=(app_config['loggly_user'],
app_config['loggly_password']))
if response.status_code == 200:
return response.json()
else:
error('Request "{}" failed with status code {}'.format(
request, response.status_code))
return None
def encrypt(config, use_kms, kms_keyid, region):
'''Encrypt plain text (read from stdin) for deployment configuration'''
plain_text = sys.stdin.read()
if use_kms:
if not kms_keyid:
try:
cluster = config['kubernetes_cluster']
except KeyError:
error("'kubernetes-cluster' not set. "
"Please configure zdeploy.")
sys.exit(1)
local_id = cluster.rsplit(':')[-1]
kms_keyid = 'alias/{}-deployment-secret'.format(local_id)
try:
kms = boto3.client("kms", region)
encrypted = kms.encrypt(KeyId=kms_keyid,
Plaintext=plain_text.encode())
encrypted = base64.b64encode(encrypted['CiphertextBlob'])
account_name = get_aws_account_name()
print("deployment-secret:{account_name}:{encrypted}".format(
account_name=account_name,
encrypted=encrypted.decode()
))
except boto_exceptions.ClientError as exception:
error_dict = exception.response["Error"]
error_code = error_dict["Code"]
if error_code == "NotFoundException":
message = ("KMS key '{}' not found. "
"Please check your AWS region.".format(kms_keyid))
elif error_code == "ExpiredTokenException":
message = "Not logged in to AWS"
else:
message = "Failed to encrypt with KMS"
error(message)
sys.exit(1)
else:
api_url = config.get('deploy_api')
url = '{}/secrets'.format(api_url)
response = request(config, requests.post, url,
json={'plaintext': plain_text})
encrypted = response.json()['data']
print("deployment-secret:autobahn-encrypted:{}".format(encrypted))
def run_linter(spec_file):
spec = yaml.safe_load(spec_file)
spec = compatibility_layer(spec)
try:
resolver = validate_spec(spec)
except Exception as e:
error('Error during Swagger schema validation:\n{}'.format(e))
return
# collect all "rules" defined as functions starting with "lint_"
rules = [f for name, f in globals().items() if name.startswith('lint_')]
for func in rules:
for issue in func(spec, resolver):
if isinstance(issue, tuple):
location, message = issue
else:
location = issue
message = None
warning('{}: {}{}'.format(location, message + ' ' if message else '', func.__doc__))
def validate_ssh_key(option_path: str, config_path: str, fallback_path: str,
interactive: bool) -> str:
if option_path:
if check_ssh_key(option_path):
return option_path
if not interactive:
error(
"specified ssh public key at {0:s} is not a valid key".format(
option_path))
sys.exit(1)
elif check_ssh_key(config_path):
return config_path
elif check_ssh_key(fallback_path):
return fallback_path
if not interactive:
error("No valid SSH public key could be determined. "
"Please specify one with the -i flag. Consult help for details")
sys.exit(1)
return ""
def all_stacks_in_final_state(related_stacks_refs: list, region: str,
timeout: Optional[int], interval: int):
""" Wait and check if all related stacks are in a final state before performing code block
changes. If there is no timeout, we don't wait anything and just execute the traffic change.
:param related_stacks_refs: Related stacks to wait
:param region: region where stacks are present
:param timeout: optional value of how long we should wait for the stack should be `None`
:param interval: interval between checks using AWS CF API
"""
if timeout is None or timeout < 1:
yield
else:
wait_timeout = datetime.datetime.utcnow() + datetime.timedelta(
seconds=timeout)
all_in_final_state = False
while not all_in_final_state and wait_timeout > datetime.datetime.utcnow(
):
# assume all stacks are ready
all_in_final_state = True
related_stacks = get_stacks(related_stacks_refs, region)
if not related_stacks:
error("Stack not found!")
exit(1)
for related_stack in related_stacks:
current_stack_status = related_stack.StackStatus
if current_stack_status.endswith("_IN_PROGRESS"):
# some operation in progress, let's wait some time to try again
all_in_final_state = False
info(
"Waiting for stack {} ({}) to perform requested operation.."
.format(related_stack.StackName, current_stack_status))
time.sleep(interval)
if datetime.datetime.utcnow() > wait_timeout:
info("Timeout reached, requested operation not executed.")
exit(1)
else:
yield
def main():
parser = argparse.ArgumentParser()
parser.add_argument('from')
parser.add_argument('to')
args = parser.parse_args()
hosts_file = Path('/etc/hosts')
backup_file = hosts_file.with_suffix('.local-cname-backup')
lock_file = hosts_file.with_suffix('.local-cname-lock')
lock = FileLock(str(lock_file))
try:
with lock.acquire(timeout=1):
edit_etc_hosts(hosts_file, backup_file, args)
except Timeout:
error('Another instance of local-cname seems to be running.')
info('(if a previous process crashed, remove {} '
'and check the contents of {} and {})'.format(
lock_file, hosts_file, backup_file))
sys.exit(1)
def get_config_data(config_file=DEFAULT_CONFIG_FILE):
fn = os.path.expanduser(config_file)
data = {}
try:
if os.path.exists(fn):
with open(fn) as fd:
data = json.load(fd)
else:
warning('No configuration file found at [{}]'.format(config_file))
data = set_config_file()
if not data:
error('Failed to configure ZMON SLR cli.')
except Exception as e:
fatal_error(e)
return data
def set_pierone_url(config: dict, url: str) -> None:
'''Read Pier One URL from cli, from config file or from stdin.'''
url = url or config.get('url')
while not url:
url = click.prompt('Please enter the Pier One URL', type=UrlType())
try:
requests.get(url, timeout=5)
except:
error('Could not reach {}'.format(url))
url = None
if '://' not in url:
# issue 63: gracefully handle URLs without scheme
url = 'https://{}'.format(url)
validate_pierone_url(url)
config['url'] = url
return url