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cleaning up the exec calls to OpenVZ binaries
* src/openvz_driver.c: another cleanup patch from Evgeniy Sokolov cleaning up the exec calls to OpenVZ binaries Daniel
This commit is contained in:
Daniel Veillard
parent
276bffd907
commit
5553b0cd16
@ -1,3 +1,8 @@
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Wed Jul 16 16:44:27 CEST 2008 Daniel Veillard <veillard@redhat.com>
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* src/openvz_driver.c: another cleanup patch from Evgeniy Sokolov
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cleaning up the exec calls to OpenVZ binaries
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Sat Jul 12 14:52:59 BST 2008 Daniel P. Berrange <berrange@redhat.com>
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* src/qemu_conf.c: Remove unneccessary c-ctype.h include
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@ -56,6 +56,7 @@
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#include "util.h"
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#include "openvz_conf.h"
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#include "nodeinfo.h"
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#include "memory.h"
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#define OPENVZ_MAX_ARG 28
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#define CMDBUF_LEN 1488
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@ -120,11 +121,79 @@ static void cmdExecFree(char *cmdExec[])
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int i=-1;
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while(cmdExec[++i])
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{
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free(cmdExec[i]);
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cmdExec[i] = NULL;
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VIR_FREE(cmdExec[i]);
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}
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}
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/* generate arguments to create OpenVZ container
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return -1 - error
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0 - OK
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*/
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static int openvzDomainDefineCmd(virConnectPtr conn,
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char *args[],
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int maxarg,
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struct openvz_vm_def *vmdef)
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{
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int narg;
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for (narg = 0; narg < maxarg; narg++)
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args[narg] = NULL;
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if (vmdef == NULL){
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openvzError(conn, VIR_ERR_INTERNAL_ERROR,
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_("Container is not defined"));
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return -1;
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}
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#define ADD_ARG(thisarg) \
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do { \
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if (narg >= maxarg) \
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goto no_memory; \
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args[narg++] = thisarg; \
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} while (0)
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#define ADD_ARG_LIT(thisarg) \
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do { \
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if (narg >= maxarg) \
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goto no_memory; \
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if ((args[narg++] = strdup(thisarg)) == NULL) \
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goto no_memory; \
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} while (0)
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narg = 0;
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ADD_ARG_LIT(VZCTL);
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ADD_ARG_LIT("--quiet");
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ADD_ARG_LIT("create");
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ADD_ARG_LIT(vmdef->name);
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if ((vmdef->fs.tmpl && *(vmdef->fs.tmpl))) {
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ADD_ARG_LIT("--ostemplate");
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ADD_ARG_LIT(vmdef->fs.tmpl);
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}
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if ((vmdef->profile && *(vmdef->profile))) {
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ADD_ARG_LIT("--config");
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ADD_ARG_LIT(vmdef->profile);
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}
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if ((vmdef->net.ips->ip && *(vmdef->net.ips->ip))) {
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ADD_ARG_LIT("--ipadd");
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ADD_ARG_LIT(vmdef->net.ips->ip);
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}
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if ((vmdef->net.hostname && *(vmdef->net.hostname))) {
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ADD_ARG_LIT("--hostname");
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ADD_ARG_LIT(vmdef->net.hostname);
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}
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ADD_ARG(NULL);
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return 0;
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no_memory:
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openvzError(conn, VIR_ERR_INTERNAL_ERROR,
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_("Could not put argument to %s"), VZCTL);
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return -1;
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#undef ADD_ARG
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#undef ADD_ARG_LIT
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}
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static virDomainPtr openvzDomainLookupByID(virConnectPtr conn,
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int id) {
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struct openvz_driver *driver = (struct openvz_driver *)conn->privateData;
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@ -217,12 +286,9 @@ static int openvzDomainGetInfo(virDomainPtr dom,
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}
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static int openvzDomainShutdown(virDomainPtr dom) {
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char cmdbuf[CMDBUF_LEN];
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int ret;
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char *cmdExec[OPENVZ_MAX_ARG];
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int pid, outfd, errfd;
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struct openvz_driver *driver = (struct openvz_driver *)dom->conn->privateData;
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struct openvz_vm *vm = openvzFindVMByID(driver, dom->id);
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const char *prog[] = {VZCTL, "--quiet", "stop", vm->vmdef->name, NULL};
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if (!vm) {
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openvzError(dom->conn, VIR_ERR_INVALID_DOMAIN,
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@ -235,16 +301,8 @@ static int openvzDomainShutdown(virDomainPtr dom) {
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_("domain is not in running state"));
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return -1;
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}
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snprintf(cmdbuf, CMDBUF_LEN - 1, VZCTL " stop %d ", dom->id);
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if((ret = convCmdbufExec(cmdbuf, cmdExec)) == -1)
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{
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openvzLog(OPENVZ_ERR, "%s", _("Error in parsing Options to OPENVZ"));
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goto bail_out;
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}
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ret = virExec(dom->conn, (char **)cmdExec, &pid, -1, &outfd, &errfd);
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if(ret == -1) {
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if (virRun(dom->conn, (char **)prog, NULL) < 0) {
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openvzError(dom->conn, VIR_ERR_INTERNAL_ERROR,
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_("Could not exec %s"), VZCTL);
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return -1;
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@ -255,20 +313,14 @@ static int openvzDomainShutdown(virDomainPtr dom) {
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ovz_driver.num_inactive ++;
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ovz_driver.num_active --;
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bail_out:
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cmdExecFree(cmdExec);
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return ret;
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return 0;
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}
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static int openvzDomainReboot(virDomainPtr dom,
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unsigned int flags ATTRIBUTE_UNUSED) {
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char cmdbuf[CMDBUF_LEN];
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int ret;
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char *cmdExec[OPENVZ_MAX_ARG];
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int pid, outfd, errfd;
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struct openvz_driver *driver = (struct openvz_driver *)dom->conn->privateData;
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struct openvz_vm *vm = openvzFindVMByID(driver, dom->id);
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const char *prog[] = {VZCTL, "--quiet", "restart", vm->vmdef->name, NULL};
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if (!vm) {
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openvzError(dom->conn, VIR_ERR_INVALID_DOMAIN,
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@ -281,24 +333,14 @@ static int openvzDomainReboot(virDomainPtr dom,
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_("domain is not in running state"));
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return -1;
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}
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snprintf(cmdbuf, CMDBUF_LEN - 1, VZCTL " restart %d ", dom->id);
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if((ret = convCmdbufExec(cmdbuf, cmdExec)) == -1)
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{
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openvzLog(OPENVZ_ERR, "%s", _("Error in parsing Options to OPENVZ"));
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goto bail_out1;
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}
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ret = virExec(dom->conn, (char **)cmdExec, &pid, -1, &outfd, &errfd);
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if(ret == -1) {
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if (virRun(dom->conn, (char **)prog, NULL) < 0) {
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openvzError(dom->conn, VIR_ERR_INTERNAL_ERROR,
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_("Could not exec %s"), VZCTL);
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return -1;
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}
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bail_out1:
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cmdExecFree(cmdExec);
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return ret;
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return 0;
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}
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static virDomainPtr
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@ -307,64 +349,42 @@ openvzDomainDefineXML(virConnectPtr conn, const char *xml)
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struct openvz_driver *driver = (struct openvz_driver *) conn->privateData;
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struct openvz_vm_def *vmdef = NULL;
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struct openvz_vm *vm = NULL;
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virDomainPtr dom;
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char cmdbuf[CMDBUF_LEN], cmdOption[CMDOP_LEN], *cmdExec[OPENVZ_MAX_ARG];
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int ret, pid, outfd, errfd;
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virDomainPtr dom = NULL;
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char *prog[OPENVZ_MAX_ARG];
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prog[0] = NULL;
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if (!(vmdef = openvzParseVMDef(conn, xml, NULL)))
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goto bail_out2;
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if ((vmdef = openvzParseVMDef(conn, xml, NULL)) == NULL)
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return NULL;
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vm = openvzFindVMByID(driver, strtoI(vmdef->name));
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if (vm) {
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openvzLog(OPENVZ_ERR, _("Already an OPENVZ VM active with the id '%s'"),
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vmdef->name);
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goto bail_out2;
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return NULL;
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}
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if (!(vm = openvzAssignVMDef(conn, driver, vmdef))) {
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openvzFreeVMDef(vmdef);
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openvzLog(OPENVZ_ERR, "%s", _("Error creating OPENVZ VM"));
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}
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snprintf(cmdbuf, CMDBUF_LEN - 1, VZCTL " create %s", vmdef->name);
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if ((vmdef->fs.tmpl && *(vmdef->fs.tmpl))) {
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snprintf(cmdOption, CMDOP_LEN - 1, " --ostemplate %s", vmdef->fs.tmpl);
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strcat(cmdbuf, cmdOption);
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}
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if ((vmdef->profile && *(vmdef->profile))) {
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snprintf(cmdOption, CMDOP_LEN - 1, " --config %s", vmdef->profile);
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strcat(cmdbuf, cmdOption);
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}
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if ((vmdef->net.ips->ip && *(vmdef->net.ips->ip))) {
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snprintf(cmdOption, CMDOP_LEN - 1, " --ipadd %s", vmdef->net.ips->ip);
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strcat(cmdbuf, cmdOption);
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}
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if ((vmdef->net.hostname && *(vmdef->net.hostname))) {
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snprintf(cmdOption, CMDOP_LEN - 1, " --hostname %s", vmdef->net.hostname);
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strcat(cmdbuf, cmdOption);
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if (openvzDomainDefineCmd(conn, prog, OPENVZ_MAX_ARG, vmdef) < 0) {
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openvzError(conn, VIR_ERR_INTERNAL_ERROR,
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_("Error creating command for container"));
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goto exit;
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}
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if((ret = convCmdbufExec(cmdbuf, cmdExec)) == -1)
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{
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openvzLog(OPENVZ_ERR, "%s", _("Error in parsing Options to OPENVZ"));
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goto bail_out2;
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}
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ret = virExec(conn, (char **)cmdExec, &pid, -1, &outfd, &errfd);
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if(ret == -1) {
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if (virRun(conn, (char **)prog, NULL) < 0) {
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openvzError(conn, VIR_ERR_INTERNAL_ERROR,
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_("Could not exec %s"), VZCTL);
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goto bail_out2;
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goto exit;
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}
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waitpid(pid, NULL, 0);
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cmdExecFree(cmdExec);
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dom = virGetDomain(conn, vm->vmdef->name, vm->vmdef->uuid);
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if (dom)
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dom->id = vm->vpsid;
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exit:
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cmdExecFree(prog);
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return dom;
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bail_out2:
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cmdExecFree(cmdExec);
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return NULL;
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}
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static virDomainPtr
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@ -373,10 +393,11 @@ openvzDomainCreateLinux(virConnectPtr conn, const char *xml,
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{
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struct openvz_vm_def *vmdef = NULL;
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struct openvz_vm *vm = NULL;
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virDomainPtr dom;
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virDomainPtr dom = NULL;
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struct openvz_driver *driver = (struct openvz_driver *) conn->privateData;
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char cmdbuf[CMDBUF_LEN], cmdOption[CMDOP_LEN], *cmdExec[OPENVZ_MAX_ARG];
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int ret, pid, outfd, errfd;
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const char *progstart[] = {VZCTL, "--quiet", "start", NULL, NULL};
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char *progcreate[OPENVZ_MAX_ARG];
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progcreate[0] = NULL;
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if (!(vmdef = openvzParseVMDef(conn, xml, NULL)))
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return NULL;
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@ -394,51 +415,24 @@ openvzDomainCreateLinux(virConnectPtr conn, const char *xml,
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return NULL;
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}
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snprintf(cmdbuf, CMDBUF_LEN - 1, VZCTL " create %s", vmdef->name);
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if ((vmdef->fs.tmpl && *(vmdef->fs.tmpl))) {
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snprintf(cmdOption, CMDOP_LEN - 1, " --ostemplate %s", vmdef->fs.tmpl);
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strcat(cmdbuf, cmdOption);
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}
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if ((vmdef->profile && *(vmdef->profile))) {
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snprintf(cmdOption, CMDOP_LEN - 1, " --config %s", vmdef->profile);
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strcat(cmdbuf, cmdOption);
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}
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if ((vmdef->net.ips->ip && *(vmdef->net.ips->ip))) {
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snprintf(cmdOption, CMDOP_LEN - 1, " --ipadd %s", vmdef->net.ips->ip);
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strcat(cmdbuf, cmdOption);
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}
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if ((vmdef->net.hostname && *(vmdef->net.hostname))) {
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snprintf(cmdOption, CMDOP_LEN - 1, " --hostname %s", vmdef->net.hostname);
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strcat(cmdbuf, cmdOption);
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if (openvzDomainDefineCmd(conn, progcreate, OPENVZ_MAX_ARG, vmdef) < 0) {
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openvzError(conn, VIR_ERR_INTERNAL_ERROR,
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_("Error creating command for container"));
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goto exit;
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}
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if((ret = convCmdbufExec(cmdbuf, cmdExec)) == -1)
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{
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openvzLog(OPENVZ_ERR, "%s", _("Error in parsing Options to OPENVZ"));
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goto bail_out3;
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}
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ret = virExec(conn, (char **)cmdExec, &pid, -1, &outfd, &errfd);
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if(ret == -1) {
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if (virRun(conn, (char **)progcreate, NULL) < 0) {
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openvzError(conn, VIR_ERR_INTERNAL_ERROR,
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_("Could not exec %s"), VZCTL);
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return NULL;
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goto exit;
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}
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waitpid(pid, NULL, 0);
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cmdExecFree(cmdExec);
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progstart[3] = vmdef->name;
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snprintf(cmdbuf, CMDBUF_LEN - 1, VZCTL " start %s ", vmdef->name);
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if((ret = convCmdbufExec(cmdbuf, cmdExec)) == -1)
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{
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openvzLog(OPENVZ_ERR, "%s", _("Error in parsing Options to OPENVZ"));
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goto bail_out3;
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}
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ret = virExec(conn, (char **)cmdExec, &pid, -1, &outfd, &errfd);
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if(ret == -1) {
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if (virRun(conn, (char **)progstart, NULL) < 0) {
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openvzError(conn, VIR_ERR_INTERNAL_ERROR,
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_("Could not exec %s"), VZCTL);
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return NULL;
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goto exit;
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}
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sscanf(vmdef->name, "%d", &vm->vpsid);
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@ -446,28 +440,20 @@ openvzDomainCreateLinux(virConnectPtr conn, const char *xml,
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ovz_driver.num_inactive--;
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ovz_driver.num_active++;
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waitpid(pid, NULL, 0);
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cmdExecFree(cmdExec);
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dom = virGetDomain(conn, vm->vmdef->name, vm->vmdef->uuid);
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if (dom)
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dom->id = vm->vpsid;
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exit:
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cmdExecFree(progcreate);
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return dom;
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bail_out3:
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cmdExecFree(cmdExec);
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return NULL;
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}
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|
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static int
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openvzDomainCreate(virDomainPtr dom)
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{
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char cmdbuf[CMDBUF_LEN];
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int ret;
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char *cmdExec[OPENVZ_MAX_ARG] ;
|
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int pid, outfd, errfd;
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struct openvz_driver *driver = (struct openvz_driver *)dom->conn->privateData;
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struct openvz_vm *vm = openvzFindVMByName(driver, dom->name);
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struct openvz_vm_def *vmdef;
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const char *prog[] = {VZCTL, "--quiet", "start", vm->vmdef->name, NULL };
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if (!vm) {
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openvzError(dom->conn, VIR_ERR_INVALID_DOMAIN,
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@ -481,41 +467,27 @@ openvzDomainCreate(virDomainPtr dom)
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return -1;
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}
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vmdef = vm->vmdef;
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snprintf(cmdbuf, CMDBUF_LEN - 1, VZCTL " start %s ", vmdef->name);
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if((ret = convCmdbufExec(cmdbuf, cmdExec)) == -1)
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{
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openvzLog(OPENVZ_ERR, "%s", _("Error in parsing Options to OPENVZ"));
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goto bail_out4;
|
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}
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ret = virExec(dom->conn, (char **)cmdExec, &pid, -1, &outfd, &errfd);
|
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if(ret == -1) {
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if (virRun(dom->conn, (char **)prog, NULL) < 0) {
|
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openvzError(dom->conn, VIR_ERR_INTERNAL_ERROR,
|
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_("Could not exec %s"), VZCTL);
|
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return -1;
|
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}
|
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|
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sscanf(vmdef->name, "%d", &vm->vpsid);
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sscanf(vm->vmdef->name, "%d", &vm->vpsid);
|
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vm->status = VIR_DOMAIN_RUNNING;
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ovz_driver.num_inactive --;
|
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ovz_driver.num_active ++;
|
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|
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waitpid(pid, NULL, 0);
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bail_out4:
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cmdExecFree(cmdExec);
|
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|
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return ret;
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return 0;
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}
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|
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static int
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openvzDomainUndefine(virDomainPtr dom)
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{
|
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char cmdbuf[CMDBUF_LEN], *cmdExec[OPENVZ_MAX_ARG];
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int ret, pid, outfd, errfd;
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virConnectPtr conn= dom->conn;
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struct openvz_driver *driver = (struct openvz_driver *) conn->privateData;
|
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struct openvz_vm *vm = openvzFindVMByUUID(driver, dom->uuid);
|
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const char *prog[] = { VZCTL, "--quiet", "destroy", vm->vmdef->name, NULL };
|
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|
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if (!vm) {
|
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openvzError(conn, VIR_ERR_INVALID_DOMAIN, _("no domain with matching uuid"));
|
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@ -526,25 +498,15 @@ openvzDomainUndefine(virDomainPtr dom)
|
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openvzError(conn, VIR_ERR_INTERNAL_ERROR, _("cannot delete active domain"));
|
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return -1;
|
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}
|
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snprintf(cmdbuf, CMDBUF_LEN - 1, VZCTL " destroy %s ", vm->vmdef->name);
|
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|
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if((ret = convCmdbufExec(cmdbuf, cmdExec)) == -1)
|
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{
|
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openvzLog(OPENVZ_ERR, "%s", _("Error in parsing Options to OPENVZ"));
|
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goto bail_out5;
|
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}
|
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ret = virExec(conn, (char **)cmdExec, &pid, -1, &outfd, &errfd);
|
||||
if(ret == -1) {
|
||||
if (virRun(conn, (char **)prog, NULL) < 0) {
|
||||
openvzError(conn, VIR_ERR_INTERNAL_ERROR,
|
||||
_("Could not exec %s"), VZCTL);
|
||||
return -1;
|
||||
}
|
||||
|
||||
waitpid(pid, NULL, 0);
|
||||
openvzRemoveInactiveVM(driver, vm);
|
||||
bail_out5:
|
||||
cmdExecFree(cmdExec);
|
||||
return ret;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
@ -553,7 +515,7 @@ openvzDomainSetAutostart(virDomainPtr dom, int autostart)
|
||||
virConnectPtr conn= dom->conn;
|
||||
struct openvz_driver *driver = (struct openvz_driver *) conn->privateData;
|
||||
struct openvz_vm *vm = openvzFindVMByUUID(driver, dom->uuid);
|
||||
const char *prog[] = { VZCTL, "set", vm->vmdef->name,
|
||||
const char *prog[] = { VZCTL, "--quiet", "set", vm->vmdef->name,
|
||||
"--onboot", autostart ? "yes" : "no",
|
||||
"--save", NULL };
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user