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author | Stuart Mackie <wsmackie@juniper.net> | 2017-07-25 10:37:57 -0700 |
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committer | Stuart Mackie <wsmackie@juniper.net> | 2017-07-25 10:37:57 -0700 |
commit | 711967ae9639095ce41500bb0e6f80c8b80fab95 (patch) | |
tree | 07f598b35664ddbd269b76f21cf587f5679cab86 /contrail-controller/hooks/charmhelpers/core/kernel_factory/centos.py | |
parent | efd4f1414b79dd51c6316a73893ade33bc9f668e (diff) |
Contrail charms
Change-Id: I2d259d03f63fce38348b8384e26ac23e3fce44a8
Signed-off-by: Stuart Mackie <wsmackie@juniper.net>
Diffstat (limited to 'contrail-controller/hooks/charmhelpers/core/kernel_factory/centos.py')
-rw-r--r-- | contrail-controller/hooks/charmhelpers/core/kernel_factory/centos.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/contrail-controller/hooks/charmhelpers/core/kernel_factory/centos.py b/contrail-controller/hooks/charmhelpers/core/kernel_factory/centos.py new file mode 100644 index 0000000..1c402c1 --- /dev/null +++ b/contrail-controller/hooks/charmhelpers/core/kernel_factory/centos.py @@ -0,0 +1,17 @@ +import subprocess +import os + + +def persistent_modprobe(module): + """Load a kernel module and configure for auto-load on reboot.""" + if not os.path.exists('/etc/rc.modules'): + open('/etc/rc.modules', 'a') + os.chmod('/etc/rc.modules', 111) + with open('/etc/rc.modules', 'r+') as modules: + if module not in modules.read(): + modules.write('modprobe %s\n' % module) + + +def update_initramfs(version='all'): + """Updates an initramfs image.""" + return subprocess.check_call(["dracut", "-f", version]) |