From c29ff3930e12da074664ac134bd37bba30d8cc41 Mon Sep 17 00:00:00 2001 From: Charlie Voiselle <464492+angrycub@users.noreply.github.com> Date: Tue, 12 Nov 2019 11:14:41 -0500 Subject: [PATCH] Add sprig library --- docs/templating-language.md | 8 ++++++++ go.mod | 5 +++++ go.sum | 12 ++++++++++++ template/template.go | 10 ++++++++-- 4 files changed, 33 insertions(+), 2 deletions(-) diff --git a/docs/templating-language.md b/docs/templating-language.md index 0c4017320..dfd846a77 100644 --- a/docs/templating-language.md +++ b/docs/templating-language.md @@ -82,6 +82,7 @@ provides the following functions: - [toYAML](#toyaml) - [sockaddr](#sockaddr) - [writeToFile](#writeToFile) +- [Sprig Functions](#sprig-functions) - [Math Functions](#math-functions) - [add](#add) - [subtract](#subtract) @@ -1613,6 +1614,13 @@ For example: --- +## Sprig Functions + +Consul-template provides access to the Sprig library +in templates. To use a Sprig function in your template, prepend `sprig_` to the function name. A full list of Sprig functions can be found in the [Sprig Function Documentation](http://masterminds.github.io/sprig/) + +--- + ## Math Functions The following functions are available on floats and integer values. diff --git a/go.mod b/go.mod index 80ce70718..e2919eeea 100644 --- a/go.mod +++ b/go.mod @@ -4,11 +4,15 @@ go 1.16 require ( github.com/BurntSushi/toml v0.3.1 + github.com/Masterminds/goutils v1.1.0 // indirect + github.com/Masterminds/semver v1.5.0 // indirect + github.com/Masterminds/sprig v2.22.0+incompatible github.com/armon/go-metrics v0.3.4 // indirect github.com/davecgh/go-spew v1.1.1 github.com/frankban/quicktest v1.4.0 // indirect github.com/golang/snappy v0.0.2 // indirect github.com/google/btree v1.0.0 // indirect + github.com/google/uuid v1.1.1 // indirect github.com/hashicorp/consul/api v1.4.0 github.com/hashicorp/consul/sdk v0.4.1-0.20200910203702-bb2b5dd871ca github.com/hashicorp/errwrap v1.1.0 // indirect @@ -26,6 +30,7 @@ require ( github.com/hashicorp/logutils v1.0.0 github.com/hashicorp/serf v0.9.4 // indirect github.com/hashicorp/vault/api v1.0.5-0.20190730042357-746c0b111519 + github.com/huandu/xstrings v1.2.0 // indirect github.com/imdario/mergo v0.3.12 github.com/mattn/go-colorable v0.1.7 // indirect github.com/mitchellh/go-homedir v1.1.0 diff --git a/go.sum b/go.sum index 51b030de9..202a6d3c7 100644 --- a/go.sum +++ b/go.sum @@ -2,6 +2,12 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/DataDog/datadog-go v3.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ= +github.com/Masterminds/goutils v1.1.0 h1:zukEsf/1JZwCMgHiK3GZftabmxiCw4apj3a28RPBiVg= +github.com/Masterminds/goutils v1.1.0/go.mod h1:8cTjp+g8YejhMuvIA5y2vz3BpJxksy863GQaJW2MFNU= +github.com/Masterminds/semver v1.5.0 h1:H65muMkzWKEuNDnfl9d70GUjFniHKHRbFPGBuZ3QEww= +github.com/Masterminds/semver v1.5.0/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF078ddwwvV3Y= +github.com/Masterminds/sprig v2.22.0+incompatible h1:z4yfnGrZ7netVz+0EDJ0Wi+5VZCSYp4Z0m2dk6cEM60= +github.com/Masterminds/sprig v2.22.0+incompatible/go.mod h1:y6hNFY5UBTIWBxnzTeuNhlNS5hqE0NB0E6fgfo2Br3o= github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= @@ -54,6 +60,8 @@ github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4= github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= +github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY= +github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= github.com/hashicorp/consul/api v1.4.0 h1:jfESivXnO5uLdH650JU/6AnjRoHrLhULq0FnC3Kp9EY= github.com/hashicorp/consul/api v1.4.0/go.mod h1:xc8u05kyMa3Wjr9eEAsIAo3dg8+LywT5E/Cl7cNS5nU= github.com/hashicorp/consul/sdk v0.4.0/go.mod h1:fY08Y9z5SvJqevyZNy6WWPXiG3KwBPAvlcdx16zZ0fM= @@ -122,6 +130,8 @@ github.com/hashicorp/vault/sdk v0.1.14-0.20190730042320-0dc007d98cc8 h1:fLUoZ8cI github.com/hashicorp/vault/sdk v0.1.14-0.20190730042320-0dc007d98cc8/go.mod h1:B+hVj7TpuQY1Y/GPbCpffmgd+tSEwvhkWnjtSYCaS2M= github.com/hashicorp/yamux v0.0.0-20180604194846-3520598351bb/go.mod h1:+NfK9FKeTrX5uv1uIXGdwYDTeHna2qgaIlx54MXqjAM= github.com/hashicorp/yamux v0.0.0-20181012175058-2f1d1f20f75d/go.mod h1:+NfK9FKeTrX5uv1uIXGdwYDTeHna2qgaIlx54MXqjAM= +github.com/huandu/xstrings v1.2.0 h1:yPeWdRnmynF7p+lLYz0H2tthW9lqhMJrQV/U7yy4wX0= +github.com/huandu/xstrings v1.2.0/go.mod h1:DvyZB1rfVYsBIigL8HwpZgxHwXozlTgGqn63UyNX5k4= github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU= github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA= github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU= @@ -152,6 +162,7 @@ github.com/miekg/dns v1.1.26 h1:gPxPSwALAeHJSjarOs00QjVdV9QoBvc1D2ujQUr5BzU= github.com/miekg/dns v1.1.26/go.mod h1:bPDLeHnStXmXAq1m/Ch/hvfNHr14JKNPMBo3VZKjuso= github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc= github.com/mitchellh/cli v1.1.0/go.mod h1:xcISNoH86gajksDmfB23e/pu+B+GeFRMYmoHXxx3xhI= +github.com/mitchellh/copystructure v1.0.0 h1:Laisrj+bAB6b/yJwB5Bt3ITZhGJdqmxquMKeZ+mmkFQ= github.com/mitchellh/copystructure v1.0.0/go.mod h1:SNtv71yrdKgLRyLFxmLdkAbkKEFWgYaq1OVrnRcwhnw= github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y= github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0= @@ -167,6 +178,7 @@ github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:F github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y= github.com/mitchellh/mapstructure v1.3.3 h1:SzB1nHZ2Xi+17FP0zVQBHIZqvwRN9408fJO8h+eeNA8= github.com/mitchellh/mapstructure v1.3.3/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo= +github.com/mitchellh/reflectwalk v1.0.0 h1:9D+8oIskB4VJBN5SFlmc27fSlIBZaov1Wpk/IfikLNY= github.com/mitchellh/reflectwalk v1.0.0/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw= github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= diff --git a/template/template.go b/template/template.go index 379620db8..7538a4ca4 100644 --- a/template/template.go +++ b/template/template.go @@ -7,9 +7,9 @@ import ( "io/ioutil" "text/template" - "github.com/pkg/errors" - + "github.com/Masterminds/sprig" dep "github.com/hashicorp/consul-template/dependency" + "github.com/pkg/errors" ) var ( @@ -313,6 +313,12 @@ func funcMap(i *funcMapInput) template.FuncMap { "spew_sprintf": spewSprintf, } + // Add the Sprig functions to the funcmap + for k, v := range sprig.FuncMap() { + target := "sprig_" + k + r[target] = v + } + for _, bf := range i.functionDenylist { if _, ok := r[bf]; ok { r[bf] = denied