145 lines
5.7 KiB
Diff
145 lines
5.7 KiB
Diff
From: John Ferlan <jferlan@redhat.com>
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Date: Fri, 13 May 2016 12:36:39 -0400
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Subject: [PATCH] util: Add exitstatus parameter to virCommandRunRegex
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Rather than have virCommandRun just spit out the error, allow callers
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to decide to pass the exitstatus so the caller can make intelligent
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decisions based on the error.
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(cherry picked from commit 8b1049473317c09d34b3ce9671d0f9e91dd4f1c0)
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---
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src/storage/storage_backend_fs.c | 2 +-
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src/storage/storage_backend_logical.c | 10 ++++++----
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src/util/vircommand.c | 9 ++++++---
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src/util/vircommand.h | 3 ++-
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src/util/viriscsi.c | 4 ++--
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5 files changed, 17 insertions(+), 11 deletions(-)
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diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c
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index 692c9ff..93d65aa 100644
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--- a/src/storage/storage_backend_fs.c
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+++ b/src/storage/storage_backend_fs.c
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@@ -261,7 +261,7 @@ virStorageBackendFileSystemNetFindNFSPoolSources(virNetfsDiscoverState *state)
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if (virCommandRunRegex(cmd, 1, regexes, vars,
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virStorageBackendFileSystemNetFindPoolSourcesFunc,
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- state, NULL) < 0)
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+ state, NULL, NULL) < 0)
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goto cleanup;
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ret = 0;
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diff --git a/src/storage/storage_backend_logical.c b/src/storage/storage_backend_logical.c
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index 90a194e..ca05fe1 100644
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--- a/src/storage/storage_backend_logical.c
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+++ b/src/storage/storage_backend_logical.c
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@@ -398,7 +398,8 @@ virStorageBackendLogicalFindLVs(virStoragePoolObjPtr pool,
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vars,
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virStorageBackendLogicalMakeVol,
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&cbdata,
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- "lvs") < 0)
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+ "lvs",
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+ NULL) < 0)
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goto cleanup;
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ret = 0;
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@@ -511,10 +512,10 @@ virStorageBackendLogicalGetPoolSources(virStoragePoolSourceListPtr sourceList)
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cmd = virCommandNewArgList(PVS,
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"--noheadings",
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"-o", "pv_name,vg_name",
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- NULL);
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+ NULL, NULL);
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if (virCommandRunRegex(cmd, 1, regexes, vars,
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virStorageBackendLogicalFindPoolSourcesFunc,
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- sourceList, "pvs") < 0)
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+ sourceList, "pvs", NULL) < 0)
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goto cleanup;
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ret = 0;
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@@ -799,7 +800,8 @@ virStorageBackendLogicalRefreshPool(virConnectPtr conn ATTRIBUTE_UNUSED,
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vars,
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virStorageBackendLogicalRefreshPoolFunc,
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pool,
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- "vgs") < 0)
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+ "vgs",
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+ NULL) < 0)
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goto cleanup;
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ret = 0;
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diff --git a/src/util/vircommand.c b/src/util/vircommand.c
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index 027cb64..f5bd7af 100644
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--- a/src/util/vircommand.c
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+++ b/src/util/vircommand.c
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@@ -2900,6 +2900,7 @@ virCommandSetDryRun(virBufferPtr buf,
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* needs to return 0 on success
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* @data: additional data that will be passed to the callback function
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* @prefix: prefix that will be skipped at the beginning of each line
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+ * @exitstatus: allows the caller to handle command run exit failures
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*
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* Run an external program.
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*
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@@ -2917,7 +2918,8 @@ virCommandRunRegex(virCommandPtr cmd,
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int *nvars,
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virCommandRunRegexFunc func,
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void *data,
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- const char *prefix)
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+ const char *prefix,
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+ int *exitstatus)
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{
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int err;
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regex_t *reg;
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@@ -2959,7 +2961,7 @@ virCommandRunRegex(virCommandPtr cmd,
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goto cleanup;
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virCommandSetOutputBuffer(cmd, &outbuf);
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- if (virCommandRun(cmd, NULL) < 0)
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+ if (virCommandRun(cmd, exitstatus) < 0)
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goto cleanup;
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if (!outbuf) {
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@@ -3114,7 +3116,8 @@ virCommandRunRegex(virCommandPtr cmd ATTRIBUTE_UNUSED,
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int *nvars ATTRIBUTE_UNUSED,
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virCommandRunRegexFunc func ATTRIBUTE_UNUSED,
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void *data ATTRIBUTE_UNUSED,
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- const char *prefix ATTRIBUTE_UNUSED)
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+ const char *prefix ATTRIBUTE_UNUSED,
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+ int *exitstatus ATTRIBUTE_UNUSED)
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{
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virReportError(VIR_ERR_INTERNAL_ERROR,
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_("%s not implemented on Win32"), __FUNCTION__);
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diff --git a/src/util/vircommand.h b/src/util/vircommand.h
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index 198da2f..44818ef 100644
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--- a/src/util/vircommand.h
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+++ b/src/util/vircommand.h
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@@ -205,7 +205,8 @@ int virCommandRunRegex(virCommandPtr cmd,
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int *nvars,
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virCommandRunRegexFunc func,
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void *data,
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- const char *cmd_to_ignore);
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+ const char *cmd_to_ignore,
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+ int *exitstatus);
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int virCommandRunNul(virCommandPtr cmd,
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size_t n_columns,
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diff --git a/src/util/viriscsi.c b/src/util/viriscsi.c
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index bd34fea..846ea68 100644
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--- a/src/util/viriscsi.c
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+++ b/src/util/viriscsi.c
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@@ -87,7 +87,7 @@ virISCSIGetSession(const char *devpath,
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regexes,
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vars,
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virISCSIExtractSession,
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- &cbdata, NULL) < 0)
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+ &cbdata, NULL, NULL) < 0)
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goto cleanup;
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if (cbdata.session == NULL && !probe) {
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@@ -437,7 +437,7 @@ virISCSIScanTargets(const char *portal,
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regexes,
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vars,
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virISCSIGetTargets,
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- &list, NULL) < 0)
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+ &list, NULL, NULL) < 0)
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goto cleanup;
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for (i = 0; i < list.ntargets; i++) {
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