After performing an accidental patch on Satellite server, candlepin won't start

Solution Unverified - Updated

Environment

Satellite 6.x

Issue

After performing and subsequent reversing an accidental patch on Satellite server, candlepin refuses to start with the following message: 

Oct 21 11:09:31 localhost server: org.postgresql.util.PSQLException: FATAL: password authentication failed for user "candlepin"

Resolution

First verify that the correct set of Satellite packages (installed from appropriate repositories) is installed. Then verify the SELinux context for candlepin with: 

# semanage fcontext -l | grep candlepin

The output should look like: 

/etc/candlepin(/.*)?                               all files          system_u:object_r:candlepin_etc_rw_t:s0 
/var/lib/candlepin(/.*)?                           all files          system_u:object_r:candlepin_var_lib_t:s0 
/var/log/candlepin(/.*)?                           all files          system_u:object_r:candlepin_var_log_t:s0 
/etc/candlepin/certs(/.*)?                         all files          system_u:object_r:candlepin_etc_certs_rw_t:s0 
/var/cache/candlepin(/.*)?                         all files          system_u:object_r:candlepin_var_cache_t:s0 
/usr/sbin/candlepin                                regular file       system_u:object_r:candlepin_exec_t:s0 
/etc/candlepin/certs/candlepin-ca\.crt             all files          system_u:object_r:candlepin_etc_certs_ca_cert_r_t:s0 
/etc/candlepin/certs/candlepin-ca\.key             all files          system_u:object_r:candlepin_etc_certs_ca_cert_r_t:s0

If some context is missing, try to repair it with:

# semodule -i /usr/share/selinux/targeted/candlepin.pp
# restorecon -Rv <list of candlepin directories that are missing context>

For more KB articles/solutions related to Red Hat Satellite 6.x Candlepin Issues, please refer to the Consolidated Troubleshooting Article for Red Hat Satellite 6.x Candlepin Issues

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