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Support custom commands #4

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Merged
merged 4 commits into from
Apr 27, 2023
Merged

Support custom commands #4

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57ceb8c
support custom commands
AronNovak Dec 8, 2022
97829e8
drop output filtering
AronNovak Apr 21, 2023
03812d1
introduce constant for default command
AronNovak Apr 21, 2023
c9c7ee9
fixes
AronNovak Apr 21, 2023
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40 changes: 30 additions & 10 deletions eb_ssm/eb_ssm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,12 +11,13 @@
get_default_region, get_instance_ids)

LOG = minimal_logger(__name__)
DEFAULT_COMMAND="bash -l"


class SSMWrapper:
def __init__(self):
args = self._parse_args()

# environment_name may be None
self.environment_name = args.environment_name or get_current_branch_environment()
self.profile = self._raise_if_none(
Expand All @@ -30,6 +31,11 @@ def __init__(self):
"Please specify a specific region in the command or eb configuration.",
)

self.command = args.command or DEFAULT_COMMAND

self.instance_number = args.number


def _parse_args(self):
parser = argparse.ArgumentParser(description="SSH onto an Elastic Beanstalk Server")
parser.add_argument(
Expand All @@ -48,8 +54,18 @@ def _parse_args(self):
default=None,
help="use a specific region",
)
parser.add_argument(
"-c", "--command",
default=None,
help="command to execute",
)
parser.add_argument(
"-n", "--number",
default=None,
help="Specify the instance to connect to by number.",
)
return parser.parse_args()

def _raise_if_none(self, value, default_value, error_message):
"""
Return value if it is not None. If value is None, return default_value if it is not None.
Expand All @@ -62,11 +78,11 @@ def _raise_if_none(self, value, default_value, error_message):
else:
io.log_error(error_message)
sys.exit()

def ssh(self):
aws.set_region(self.region)
aws.set_profile(self.profile)

if self.environment_name is None:
environment_names = get_all_environment_names()
if environment_names:
Expand All @@ -76,25 +92,29 @@ def ssh(self):
else:
io.log_error("The current Elastic Beanstalk application has no environments")
sys.exit()

instances = get_instance_ids(self.environment_name)
if len(instances) == 1:
instance = instances[0]
self.instance_number = 0

if self.instance_number is not None:
instance = instances[int(self.instance_number)]
else:
io.echo()
io.echo('Select an instance to ssh into')
instance = utils.prompt_for_item_in_list(instances)

params = [
"aws", "ssm", "start-session",
"--document-name", "AWS-StartInteractiveCommand",
"--parameters", "command='bash -l'",
"--parameters", "command='" + self.command + "'",
"--profile", self.profile,
"--region", self.region,
"--target", instance,
]

os.system(" ".join(params))
cmd = " ".join(params)

os.system(cmd)


def main():
Expand Down