For deployment of django channels on elastic beanstalk (linux 2 AMI) I tried implementing this blog ,it required creation of ./platform/hooks/postdeploy/ and in it two files 01_set_env.sh and 02_run_supervisor_daemon.sh, on eb deploy it fails and on checking the eb-engine.logs this error shows up.
2021/09/28 05:05:44.382229 [ERROR] An error occurred during execution of command [app-deploy] - [RunAppDeployPostDeployHooks]. Stop running the command. Error: Command .platform/hooks/postdeploy/02_run_supervisor_daemon.sh failed with error exit status 2. Stderr:.platform/hooks/postdeploy/02_run_supervisor_daemon.sh: line 13: -b: command not found
02_run_supervisor_daemon.sh
#!/bin/bash
# Get system environment variables
systemenv=`cat /opt/elasticbeanstalk/deployment/custom_env_var | tr '
' ',' | sed 's/%/%%/g' | sed 's/export //g' | sed 's/$PATH/%(ENV_PATH)s/g' | sed 's/:$PYTHONPATH//g' | sed 's/$LD_LIBRARY_PATH//g'`
systemenv=${systemenv%?}
systemenv=`echo $systemenv | sed 's/,/",/g' | sed 's/=/="/g'`
systemenv="$systemenv""
# Create daemon configuration script
daemonconf="[program:daphne]
command=daphne -b :: -p 5000 backend.asgi:application
directory=/var/app
user=ec2-user
numprocs=1
stdout_logfile=/var/log/stdout_daphne.log
stderr_logfile=/var/log/stderr_daphne.log
autostart=true
autorestart=true
startsecs=10
; Need to wait for currently executing tasks to finish at shutdown.
; Increase this if you have very long running tasks.
stopwaitsecs = 600
; When resorting to send SIGKILL to the program to terminate it
; send SIGKILL to its whole process group instead,
; taking care of its children as well.
killasgroup=true
environment=$systemenv"
# Create the Supervisor conf script
echo "$daemonconf" | sudo tee /etc/supervisor/conf.d/daemon.conf
# Reread the Supervisor config
supervisorctl reread
# Update Supervisor in cache without restarting all services
supervisorctl update
# Start/restart processes through Supervisor
supervisorctl restart daphne
01_set_env.sh
#!/bin/bash
#Create a copy of the environment variable file.
cp /opt/elasticbeanstalk/deployment/env /opt/elasticbeanstalk/deployment/custom_env_var
#Set permissions to the custom_env_var file so this file can be accessed by any user on the instance. You can restrict permissions as per your requirements.
chmod 644 /opt/elasticbeanstalk/deployment/custom_env_var
#Remove duplicate files upon deployment.
rm -f /opt/elasticbeanstalk/deployment/*.bak
Would be great if you could suggest some resources for the deployment of Django channels on ebs(linux 2 as most blogs are for linux1) as well.
