18596: Add PreemptiblePriceFactor config.

[arvados.git] / lib / config / load.go

diff --git a/lib/config/load.go b/lib/config/load.go
index aa7520ca29e7d6fe2d4040e50ae11f3416b98c77..f5d42c491629fa1943ce56cbf6969e6551de4d0f 100644 (file)
--- a/lib/config/load.go
+++ b/lib/config/load.go
@@ -285,6 +285,19 @@ func (ldr *Loader) Load() (*arvados.Config, error) {
                }
        }
 
+       // Preprocess/automate some configs
+       for id, cc := range cfg.Clusters {
+               ldr.autofillPreemptible(&cc)
+
+               if strings.Count(cc.Users.AnonymousUserToken, "/") == 3 {
+                       // V2 token, strip it to just a secret
+                       tmp := strings.Split(cc.Users.AnonymousUserToken, "/")
+                       cc.Users.AnonymousUserToken = tmp[2]
+               }
+
+               cfg.Clusters[id] = cc
+       }
+
        // Check for known mistakes
        for id, cc := range cfg.Clusters {
                for remote := range cc.RemoteClusters {
@@ -299,10 +312,10 @@ func (ldr *Loader) Load() (*arvados.Config, error) {
                for _, err = range []error{
                        ldr.checkClusterID(fmt.Sprintf("Clusters.%s", id), id, false),
                        ldr.checkClusterID(fmt.Sprintf("Clusters.%s.Login.LoginCluster", id), cc.Login.LoginCluster, true),
-                       ldr.checkToken(fmt.Sprintf("Clusters.%s.ManagementToken", id), cc.ManagementToken, true),
-                       ldr.checkToken(fmt.Sprintf("Clusters.%s.SystemRootToken", id), cc.SystemRootToken, true),
-                       ldr.checkToken(fmt.Sprintf("Clusters.%s.Users.AnonymousUserToken", id), cc.Users.AnonymousUserToken, false),
-                       ldr.checkToken(fmt.Sprintf("Clusters.%s.Collections.BlobSigningKey", id), cc.Collections.BlobSigningKey, true),
+                       ldr.checkToken(fmt.Sprintf("Clusters.%s.ManagementToken", id), cc.ManagementToken, true, false),
+                       ldr.checkToken(fmt.Sprintf("Clusters.%s.SystemRootToken", id), cc.SystemRootToken, true, false),
+                       ldr.checkToken(fmt.Sprintf("Clusters.%s.Users.AnonymousUserToken", id), cc.Users.AnonymousUserToken, false, true),
+                       ldr.checkToken(fmt.Sprintf("Clusters.%s.Collections.BlobSigningKey", id), cc.Collections.BlobSigningKey, true, false),
                        checkKeyConflict(fmt.Sprintf("Clusters.%s.PostgreSQL.Connection", id), cc.PostgreSQL.Connection),
                        ldr.checkEnum("Containers.LocalKeepLogsToContainerLog", cc.Containers.LocalKeepLogsToContainerLog, "none", "all", "errors"),
                        ldr.checkEmptyKeepstores(cc),
@@ -334,7 +347,7 @@ func (ldr *Loader) checkClusterID(label, clusterID string, emptyStringOk bool) e
 var acceptableTokenRe = regexp.MustCompile(`^[a-zA-Z0-9]+$`)
 var acceptableTokenLength = 32
 
-func (ldr *Loader) checkToken(label, token string, mandatory bool) error {
+func (ldr *Loader) checkToken(label, token string, mandatory bool, acceptV2 bool) error {
        if len(token) == 0 {
                if !mandatory {
                        // when a token is not mandatory, the acceptable length and content is only checked if its length is non-zero
@@ -345,7 +358,21 @@ func (ldr *Loader) checkToken(label, token string, mandatory bool) error {
                        }
                }
        } else if !acceptableTokenRe.MatchString(token) {
-               return fmt.Errorf("%s: unacceptable characters in token (only a-z, A-Z, 0-9 are acceptable)", label)
+               if !acceptV2 {
+                       return fmt.Errorf("%s: unacceptable characters in token (only a-z, A-Z, 0-9 are acceptable)", label)
+               }
+               // Test for a proper V2 token
+               tmp := strings.SplitN(token, "/", 3)
+               if len(tmp) != 3 {
+                       return fmt.Errorf("%s: unacceptable characters in token (only a-z, A-Z, 0-9 are acceptable)", label)
+               }
+               if !strings.HasPrefix(token, "v2/") {
+                       return fmt.Errorf("%s: unacceptable characters in token (only a-z, A-Z, 0-9 are acceptable)", label)
+               }
+               ldr.Logger.Warnf("%s: token is a full V2 token, should just be a secret (remove everything up to and including the last forward slash)", label)
+               if !acceptableTokenRe.MatchString(tmp[2]) {
+                       return fmt.Errorf("%s: unacceptable characters in V2 token secret (only a-z, A-Z, 0-9 are acceptable)", label)
+               }
        } else if len(token) < acceptableTokenLength {
                if ldr.Logger != nil {
                        ldr.Logger.Warnf("%s: token is too short (should be at least %d characters)", label, acceptableTokenLength)
@@ -508,3 +535,17 @@ func (ldr *Loader) logExtraKeys(expected, supplied map[string]interface{}, prefi
                }
        }
 }
+
+func (ldr *Loader) autofillPreemptible(cc *arvados.Cluster) {
+       if factor := cc.Containers.PreemptiblePriceFactor; factor > 0 {
+               for name, it := range cc.InstanceTypes {
+                       if !it.Preemptible {
+                               it.Preemptible = true
+                               it.Price = it.Price * factor
+                               it.Name = name + ".preemptible"
+                               cc.InstanceTypes[it.Name] = it
+                       }
+               }
+       }
+
+}