nvazquez commented on a change in pull request #2983: KVM live storage
migration intra cluster from NFS source and destination
URL: https://github.com/apache/cloudstack/pull/2983#discussion_r229306734
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File path:
plugins/hypervisors/kvm/src/main/java/org/apache/cloudstack/utils/qemu/QemuImg.java
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@@ -30,8 +31,13 @@
/* The qemu-img binary. We expect this to be in $PATH */
public String _qemuImgPath = "qemu-img";
+ private String cloudQemuImgPath = "cloud-qemu-img";
private int timeout;
+ private String getQemuImgPathScript = String.format("which %s >&
/dev/null; " +
+ "if [ $? -gt 0 ]; then echo \"%s\"; else echo \"%s\"; fi",
+ cloudQemuImgPath, _qemuImgPath, cloudQemuImgPath);
Review comment:
As this feature requires qemu-img command supporting snapshots I have
introduced this check. This cloud-qemu-img can be included on KVM hosts to
support snapshots as per:
http://www.nux.ro/oldblog/archive/2014/01/Taking_KVM_volume_snapshots_with_Cloudstack_4_2_on_CentOS_6_5.html
If cloud-qemu-img is present then we can use it, and if not just qemu-img.
It is also done this way on scripts:
https://github.com/apache/cloudstack/search?q=cloud-qemu-img&unscoped_q=cloud-qemu-img.
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