From 56ce81b566ff309b0b145fd0b118639fc5cb6551 Mon Sep 17 00:00:00 2001 From: Cian Johnston Date: Mon, 30 Aug 2021 10:35:31 +0000 Subject: [PATCH 1/7] add api.WarnResult --- internal/api/warn.go | 10 ++++++++++ internal/api/warn_test.go | 17 +++++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 internal/api/warn.go create mode 100644 internal/api/warn_test.go diff --git a/internal/api/warn.go b/internal/api/warn.go new file mode 100644 index 0000000..1329541 --- /dev/null +++ b/internal/api/warn.go @@ -0,0 +1,10 @@ +package api + +// WarnResult returns a CheckResult when a warning occurs. +func WarnResult(name string, summary string) *CheckResult { + return &CheckResult{ + Name: name, + State: StateWarning, + Summary: summary, + } +} diff --git a/internal/api/warn_test.go b/internal/api/warn_test.go new file mode 100644 index 0000000..74ab4e7 --- /dev/null +++ b/internal/api/warn_test.go @@ -0,0 +1,17 @@ +package api_test + +import ( + "testing" + + "cdr.dev/slog/sloggers/slogtest/assert" + "github.com/cdr/coder-doctor/internal/api" +) + +func TestWarnResult(t *testing.T) { + t.Parallel() + res := api.WarnResult("check-name", "something bad happened") + + assert.Equal(t, "name matches", "check-name", res.Name) + assert.Equal(t, "state matches", api.StateWarning, res.State) + assert.Equal(t, "summary matches", "something bad happened", res.Summary) +} From c49a547764b4b862224d0a308bb80dec09309bf6 Mon Sep 17 00:00:00 2001 From: Cian Johnston Date: Mon, 30 Aug 2021 13:15:07 +0000 Subject: [PATCH 2/7] feat: use SSRR for RBAC instead of SSAR --- go.mod | 2 +- go.sum | 150 +++++++++++++++++++- internal/checks/kube/kubernetes.go | 4 +- internal/checks/kube/rbac.go | 120 ++++++++++++++++ internal/checks/kube/rbac_test.go | 111 +++++++++++++++ internal/cmd/check/kubernetes/kubernetes.go | 3 + 6 files changed, 385 insertions(+), 5 deletions(-) diff --git a/go.mod b/go.mod index 3ba1fcd..525e0f6 100644 --- a/go.mod +++ b/go.mod @@ -11,5 +11,5 @@ require ( k8s.io/apimachinery v0.19.14 k8s.io/client-go v0.19.14 k8s.io/klog/v2 v2.10.0 // indirect - k8s.io/utils v0.0.0-20210305010621-2afb4311ab10 // indirect + k8s.io/kubectl v0.19.14 ) diff --git a/go.sum b/go.sum index 767884a..3defb19 100644 --- a/go.sum +++ b/go.sum @@ -42,6 +42,7 @@ cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohl cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs= cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0= dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU= +github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8= github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI= github.com/Azure/go-autorest/autorest v0.9.6 h1:5YWtOnckcudzIw8lPPBcWOnmIFWMtHci1ZWAZulMSx0= github.com/Azure/go-autorest/autorest v0.9.6/go.mod h1:/FALq9T/kS7b5J5qsQ+RSTUdAmGFqi0vUdVNNx8q630= @@ -61,11 +62,15 @@ github.com/Azure/go-autorest/tracing v0.5.0 h1:TRn4WjSnkcSy5AEG3pnbtFSwNtwzjr4VY github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo= +github.com/MakeNowJust/heredoc v0.0.0-20170808103936-bb23615498cd/go.mod h1:64YHyfSL2R96J44Nlwm39UHepQbyR5q10x7iYa1ks2E= github.com/Masterminds/semver/v3 v3.1.1 h1:hLg3sBzpNErnxhQtUy/mmLR2I9foDujNK030IGemrRc= github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs= github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ= +github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU= github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= +github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= +github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= github.com/alecthomas/assert v0.0.0-20170929043011-405dbfeb8e38 h1:smF2tmSOzy2Mm+0dGI2AIUHY+w0BUc+4tn40djz7+6U= github.com/alecthomas/assert v0.0.0-20170929043011-405dbfeb8e38/go.mod h1:r7bzyVFMNntcxPZXK3/+KdruV1H5KSlyVY0gc+NgInI= github.com/alecthomas/chroma v0.9.1 h1:cBmvQqRImzR5aWqdMxYZByND4S7BCS/g0svZb28h0Dc= @@ -75,13 +80,25 @@ github.com/alecthomas/colour v0.0.0-20160524082231-60882d9e2721/go.mod h1:QO9JBo github.com/alecthomas/kong v0.2.4/go.mod h1:kQOmtJgV+Lb4aj+I2LEn40cbtawdWJ9Y8QLq+lElKxE= 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v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc= +github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/chai2010/gettext-go v0.0.0-20160711120539-c6fed771bfd5/go.mod h1:/iP1qXHoty45bqomnu2LM+VVyAEdWN+vtSHGlQgyxbw= github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI= github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI= github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU= @@ -89,22 +106,31 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk= github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod 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+140,8 @@ github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.m github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c= github.com/evanphx/json-patch v4.9.0+incompatible h1:kLcOMZeuLAJvL2BPWLMIj5oaZQobrkAqrL+WFZwQses= github.com/evanphx/json-patch v4.9.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk= +github.com/exponent-io/jsonpath v0.0.0-20151013193312-d6023ce2651d/go.mod h1:ZZMPRZwes7CROmyNKgQzC3XPs6L/G2EJLHddWejkmf4= +github.com/fatih/camelcase v1.0.0/go.mod h1:yN2Sb0lFhZJUdVvtELVWefmrXpuZESvPmqwoZc+/fpc= github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4= github.com/fatih/color v1.12.0 h1:mRhaKNwANqRgUBGKmnI5ZxEk7QXmjQeCcuYFMX2bfcc= github.com/fatih/color v1.12.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM= @@ -124,18 +152,33 @@ github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeME github.com/go-gl/glfw 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v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU= go.etcd.io/etcd/api/v3 v3.5.0/go.mod h1:cbVKeC6lCfl7j/8jBhAK6aIYO9XOjdptoxU/nLQcPvs= go.etcd.io/etcd/client/pkg/v3 v3.5.0/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g= go.etcd.io/etcd/client/v2 v2.305.0/go.mod h1:h9puh54ZTgAKtEbut2oe9P4L/oqKCVB6xsXlzd7alYQ= @@ -344,13 +454,18 @@ go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw= go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk= go.opencensus.io v0.23.0 h1:gqCw0LfLxScz8irSi8exQc7fyQ0fKQU/qnC/X8+V/1M= go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E= +go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE= go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc= +go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0= go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU= 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h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= @@ -395,17 +510,22 @@ golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73r golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= +golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks= golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks= +golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= @@ -457,20 +577,26 @@ golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJ golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod 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h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -485,6 +611,7 @@ golang.org/x/sys v0.0.0-20200501052902-10377860bb8e/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20200511232937-7e40ca221e25/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200515095857-1151b9dac4a9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200523222454-059865788121/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200803210538-64077c9b5642/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200905004654-be1d3432aa8f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -517,6 +644,7 @@ golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxb golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20191024005414-555d28b269f0 h1:/5xXl8Y5W96D+TtHSlonuFqGHIWVuyCkGJLwGh9JJFs= golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= +golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20181011042414-1f849cf54d09/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= @@ -529,7 +657,9 @@ golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBn golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q= golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q= golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= +golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= +golang.org/x/tools v0.0.0-20190624222133-a101b041ded4/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= @@ -651,6 +781,7 @@ google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c h1:wtujag7C+4D6KMo google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0= google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38= +google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM= google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM= google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg= google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY= @@ -686,6 +817,7 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk= google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= +gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo= @@ -696,17 +828,23 @@ gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMy gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc= gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw= gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= +gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= +gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74= gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY= gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ= gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo= gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw= +gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= @@ -718,24 +856,32 @@ k8s.io/api v0.19.14 h1:P1TzVeuLsnKbp+LTtIa5IyEtSnU0yj4LqiKKRp1NU9Y= k8s.io/api v0.19.14/go.mod h1:5IAteKHunZAtX2SeMM705TybJtUDVhUKJj2atAuT4rQ= k8s.io/apimachinery v0.19.14 h1:AxDxCm6P0xR45VfPjO2BVDGfjRWZ4GMdcib8aoG2rxI= k8s.io/apimachinery v0.19.14/go.mod h1:RMyblyny2ZcDQ/oVE+lC31u7XTHUaSXEK2IhgtwGxfc= +k8s.io/cli-runtime v0.19.14/go.mod h1:obUy3c6PnZOUt/PXQOjn12y2FLoxnZUTNB8JV6VJoHI= k8s.io/client-go v0.19.14 h1:D3V4mC6lQN3ZaABhOznxZXSsxMR5cdChjeMP4/pY4H8= k8s.io/client-go v0.19.14/go.mod h1:iWwXK/etTTPyssCycvgdQ9d6i0k93HXLtksUQ6A67WE= +k8s.io/code-generator v0.19.14/go.mod h1:ADrDvaUQWGn4a8lX0ONtzb7uFmDRQOMSYIMk1qWIAx8= +k8s.io/component-base v0.19.14/go.mod h1:dkf3fsrikjDxMMlYHpOGtCbkuLGtoojXmBX0L8FAyUA= k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0= +k8s.io/gengo v0.0.0-20200428234225-8167cfdcfc14/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0= k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE= k8s.io/klog/v2 v2.2.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y= k8s.io/klog/v2 v2.10.0 h1:R2HDMDJsHVTHA2n4RjwbeYXdOcBymXdX/JRb1v0VGhE= k8s.io/klog/v2 v2.10.0/go.mod h1:hy9LJ/NvuK+iVyP4Ehqva4HxZG/oXyIS3n3Jmire4Ec= k8s.io/kube-openapi v0.0.0-20200805222855-6aeccd4b50c6 h1:+WnxoVtG8TMiudHBSEtrVL1egv36TkkJm+bA8AxicmQ= k8s.io/kube-openapi v0.0.0-20200805222855-6aeccd4b50c6/go.mod h1:UuqjUnNftUyPE5H64/qeyjQoUZhGpeFDVdxjTeEVN2o= +k8s.io/kubectl v0.19.14 h1:rD29ka9MY4tTGXC584a+kl7y0zA6T5XhIJ5vj1iQP2Q= +k8s.io/kubectl v0.19.14/go.mod h1:e1wReuwCVS2kbxli1Ncz6Ia6DQ8Bvp4mxj/j0G+QDKg= +k8s.io/metrics v0.19.14/go.mod h1:0lhJMMjYpGozExXi3/uCPpladC/XQugUgh/PS5ciEu4= +k8s.io/utils v0.0.0-20200729134348-d5654de09c73 h1:uJmqzgNWG7XyClnU/mLPBWwfKKF1K8Hf8whTseBgJcg= k8s.io/utils v0.0.0-20200729134348-d5654de09c73/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA= -k8s.io/utils v0.0.0-20210305010621-2afb4311ab10 h1:u5rPykqiCpL+LBfjRkXvnK71gOgIdmq3eHUEkPrbeTI= -k8s.io/utils v0.0.0-20210305010621-2afb4311ab10/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA= rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0= rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA= +sigs.k8s.io/kustomize v2.0.3+incompatible/go.mod h1:MkjgH3RdOWrievjo6c9T245dYlB5QeXV4WCbnt/PEpU= sigs.k8s.io/structured-merge-diff/v4 v4.0.1/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw= sigs.k8s.io/structured-merge-diff/v4 v4.1.2 h1:Hr/htKFmJEbtMgS/UD0N+gtgctAqz81t3nu+sPzynno= sigs.k8s.io/structured-merge-diff/v4 v4.1.2/go.mod h1:j/nl6xW8vLS49O8YvXW1ocPhZawJtm+Yrr7PPRQ0Vg4= sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o= sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q= sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc= +vbom.ml/util v0.0.0-20160121211510-db5cfe13f5cc/go.mod h1:so/NYdZXCz+E3ZpW0uAoCj6uzU2+8OWDFv/HxUSs7kI= diff --git a/internal/checks/kube/kubernetes.go b/internal/checks/kube/kubernetes.go index 7da135d..bee4fb7 100644 --- a/internal/checks/kube/kubernetes.go +++ b/internal/checks/kube/kubernetes.go @@ -93,9 +93,9 @@ func (k *KubernetesChecker) Run(ctx context.Context) error { } } - for _, res := range k.CheckRBAC(ctx) { + for _, res := range k.CheckRBACSSRR(ctx) { if err := k.writer.WriteResult(res); err != nil { - return xerrors.Errorf("check RBAC: %w", err) + return xerrors.Errorf("check SSAR: %w", err) } } return nil diff --git a/internal/checks/kube/rbac.go b/internal/checks/kube/rbac.go index 173637f..0fe9bd5 100644 --- a/internal/checks/kube/rbac.go +++ b/internal/checks/kube/rbac.go @@ -3,6 +3,7 @@ package kube import ( "context" "fmt" + "sort" "strings" "golang.org/x/xerrors" @@ -12,8 +13,11 @@ import ( "github.com/cdr/coder-doctor/internal/api" authorizationv1 "k8s.io/api/authorization/v1" + rbacv1 "k8s.io/api/rbac/v1" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" authorizationclientv1 "k8s.io/client-go/kubernetes/typed/authorization/v1" + rbacutil "k8s.io/kubectl/pkg/util/rbac" + "k8s.io/kubectl/pkg/util/slice" ) func (k *KubernetesChecker) CheckRBAC(ctx context.Context) []*api.CheckResult { @@ -50,6 +54,100 @@ func (k *KubernetesChecker) CheckRBAC(ctx context.Context) []*api.CheckResult { return results } +func (k *KubernetesChecker) CheckRBACSSRR(ctx context.Context) []*api.CheckResult { + const checkName = "kubernetes-rbac-ssrr" + authClient := k.client.AuthorizationV1() + results := make([]*api.CheckResult, 0) + + sar := &authorizationv1.SelfSubjectRulesReview{ + Spec: authorizationv1.SelfSubjectRulesReviewSpec{ + Namespace: k.namespace, + }, + } + + response, err := authClient.SelfSubjectRulesReviews().Create(ctx, sar, metav1.CreateOptions{}) + if err != nil { + return []*api.CheckResult{api.SkippedResult(checkName, "unable to create SelfSubjectRulesReview request: "+err.Error())} + } + + if response.Status.Incomplete { + results = append(results, api.WarnResult(checkName, "SelfSubjectRulesReview response incomplete - results may not be correct")) + } + + // convert the list of rules from the server to PolicyRules and dedupe/compact + breakdownRules := []rbacv1.PolicyRule{} + for _, rule := range convertToPolicyRule(response.Status) { + breakdownRules = append(breakdownRules, rbacutil.BreakdownRule(rule)...) + } + + compactRules, _ := rbacutil.CompactRules(breakdownRules) //nolint:errcheck - err is always nil + sort.Stable(rbacutil.SortableRuleSlice(compactRules)) + + // TODO: optimise this + for req, reqVerbs := range k.reqs.ResourceRequirements { + if err := satisfies(req, reqVerbs, compactRules); err != nil { + summary := fmt.Sprintf("missing permissions on resource %s: %s", req.Resource, err) + results = append(results, api.ErrorResult(checkName, summary, err)) + continue + } + summary := fmt.Sprintf("%s: can %s", req.Resource, strings.Join(reqVerbs, ", ")) + results = append(results, api.PassResult(checkName, summary)) + } + + return results +} + +func satisfies(req *ResourceRequirement, verbs ResourceVerbs, rules []rbacv1.PolicyRule) error { + for _, rule := range rules { + if apiGroupsMatch(req.Group, rule.APIGroups) && + apiResourceMatch(req.Resource, rule.Resources) && + verbsMatch(verbs, rule.Verbs) { + return nil + } + } + return xerrors.Errorf("not satisfied: group:%q resource:%q version:%q verbs:%+v", req.Group, req.Resource, req.Version, verbs) +} + +// The below adapted from k8s.io/pkg/apis/rbac/v1/evaluation_helpers.go +func verbsMatch(want, have ResourceVerbs) bool { + if slice.ContainsString(have, "*", nil) { + return true + } + + for _, v := range want { + if !slice.ContainsString(have, v, nil) { + return false + } + } + return true +} + +func apiGroupsMatch(want string, have []string) bool { + for _, g := range have { + if g == "*" { + return true + } + + if g == want { + return true + } + } + return false +} + +func apiResourceMatch(want string, have []string) bool { + for _, r := range have { + if r == "*" { + return true + } + + if r == want { + return true + } + } + return false +} + func (k *KubernetesChecker) checkOneRBAC(ctx context.Context, authClient authorizationclientv1.AuthorizationV1Interface, req *ResourceRequirement, reqVerbs ResourceVerbs) error { have := make([]string, 0, len(reqVerbs)) for _, verb := range reqVerbs { @@ -92,3 +190,25 @@ func findClosestVersionRequirements(v *semver.Version) *VersionedResourceRequire } return nil } + +// lifted from kubectl/pkg/cmd/auth/cani.go +func convertToPolicyRule(status authorizationv1.SubjectRulesReviewStatus) []rbacv1.PolicyRule { + ret := []rbacv1.PolicyRule{} + for _, resource := range status.ResourceRules { + ret = append(ret, rbacv1.PolicyRule{ + Verbs: resource.Verbs, + APIGroups: resource.APIGroups, + Resources: resource.Resources, + ResourceNames: resource.ResourceNames, + }) + } + + for _, nonResource := range status.NonResourceRules { + ret = append(ret, rbacv1.PolicyRule{ + Verbs: nonResource.Verbs, + NonResourceURLs: nonResource.NonResourceURLs, + }) + } + + return ret +} diff --git a/internal/checks/kube/rbac_test.go b/internal/checks/kube/rbac_test.go index ccf3059..64f5fb1 100644 --- a/internal/checks/kube/rbac_test.go +++ b/internal/checks/kube/rbac_test.go @@ -6,6 +6,7 @@ import ( "testing" authorizationv1 "k8s.io/api/authorization/v1" + rbacv1 "k8s.io/api/rbac/v1" "k8s.io/client-go/kubernetes" "k8s.io/client-go/rest" @@ -91,3 +92,113 @@ var selfSubjectAccessReviewDenied authorizationv1.SelfSubjectAccessReview = auth Allowed: false, }, } + +func Test_CheckRBACSSRR(t *testing.T) { + t.Parallel() + + tests := []struct { + Name string + Response *authorizationv1.SelfSubjectRulesReview + F func(*testing.T, []*api.CheckResult) + }{ + { + Name: "nothing allowed", + Response: &selfSubjectRulesReviewEmpty, + F: func(t *testing.T, results []*api.CheckResult) { + assert.False(t, "results should not be empty", len(results) == 0) + for _, result := range results { + assert.True(t, result.Name+" should have an error", result.Details["error"] != nil) + assert.True(t, result.Name+" should fail", result.State == api.StateFailed) + } + }, + }, + } + + for _, test := range tests { + test := test + t.Run(test.Name, func(t *testing.T) { + t.Parallel() + + server := newTestHTTPServer(t, http.StatusOK, test.Response) + defer server.Close() + + client, err := kubernetes.NewForConfig(&rest.Config{Host: server.URL}) + assert.Success(t, "failed to create client", err) + + checker := NewKubernetesChecker(client) + results := checker.CheckRBACSSRR(context.Background()) + test.F(t, results) + }) + } +} + +func Test_Satisfies(t *testing.T) { + t.Parallel() + + testCases := []struct { + Name string + Requirement *ResourceRequirement + Verbs ResourceVerbs + Rules []rbacv1.PolicyRule + Expected *string + }{ + { + Name: "allowed: get create pods", + Requirement: NewResourceRequirement("", "v1", "pods"), + Verbs: verbsGetCreate, + Rules: []rbacv1.PolicyRule{testV1WildcardRule}, + Expected: nil, + }, + { + Name: "not allowed: get create pods", + Requirement: NewResourceRequirement("", "v1", "pods"), + Verbs: verbsGetCreate, + Rules: []rbacv1.PolicyRule{testNoPermRule}, + Expected: strptr("not satisfied"), + }, + // TODO(cian): add many, many, more. + } + + for _, testCase := range testCases { + testCase := testCase + t.Run(testCase.Name, func(t *testing.T) { + actual := satisfies(testCase.Requirement, testCase.Verbs, testCase.Rules) + if testCase.Expected == nil { + assert.Success(t, testCase.Name+"- should not error", actual) + } else { + assert.ErrorContains(t, testCase.Name+" - expected error contains", actual, *testCase.Expected) + } + }) + } +} + +var testNoPermRule = makeTestPolicyRule(ss(), ss(), ss(), ss(), ss()) +var testV1WildcardRule = makeTestPolicyRule(verbsAll, ss(""), ss("*"), ss(), ss()) + +func makeTestPolicyRule(verbs, groups, resources, resourceNames, nonResourceURLs []string) rbacv1.PolicyRule { + return rbacv1.PolicyRule{ + Verbs: verbs, + APIGroups: groups, + Resources: resources, + ResourceNames: resourceNames, + NonResourceURLs: nonResourceURLs, + } +} + +var selfSubjectRulesReviewEmpty = authorizationv1.SelfSubjectRulesReview{ + Spec: authorizationv1.SelfSubjectRulesReviewSpec{ + Namespace: "default", + }, + Status: authorizationv1.SubjectRulesReviewStatus{ + ResourceRules: []authorizationv1.ResourceRule{}, + NonResourceRules: []authorizationv1.NonResourceRule{}, + }, +} + +func strptr(s string) *string { + return &s +} + +func ss(s ...string) []string { + return s +} diff --git a/internal/cmd/check/kubernetes/kubernetes.go b/internal/cmd/check/kubernetes/kubernetes.go index 9aab14e..24a5e9e 100644 --- a/internal/cmd/check/kubernetes/kubernetes.go +++ b/internal/cmd/check/kubernetes/kubernetes.go @@ -116,6 +116,9 @@ func run(cmd *cobra.Command, _ []string) error { } currentContext := rawConfig.Contexts[rawConfig.CurrentContext] + if currentContext.Namespace == "" { + currentContext.Namespace = "default" + } log.Info(cmd.Context(), "kubernetes config:", slog.F("context", rawConfig.CurrentContext), From dcb95d430d379317e6cd6afc8a4db0ea4a4d5026 Mon Sep 17 00:00:00 2001 From: Cian Johnston Date: Wed, 1 Sep 2021 12:45:36 +0000 Subject: [PATCH 3/7] chore: Makefile: add test target --- Makefile | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Makefile b/Makefile index 158b6f8..d30e5d9 100644 --- a/Makefile +++ b/Makefile @@ -27,3 +27,11 @@ lint/shellcheck: $(shell scripts/depfind/sh.sh) lint: lint/go lint/shellcheck .PHONY: lint + +test: test/go +.PHONY: test + +test/go: + @echo "--- go test" + go test -parallel=$(shell nproc) ./... +.PHONY: test/go From a98c45b97396ce9658c4a38f8b4813bea16a2734 Mon Sep 17 00:00:00 2001 From: Cian Johnston Date: Wed, 1 Sep 2021 12:51:54 +0000 Subject: [PATCH 4/7] fix: RBAC: use SSRR by default, fallback to SSAR --- internal/checks/kube/kubernetes.go | 2 +- internal/checks/kube/rbac.go | 86 ++++++++++++++++++------------ internal/checks/kube/rbac_test.go | 12 ++--- 3 files changed, 60 insertions(+), 40 deletions(-) diff --git a/internal/checks/kube/kubernetes.go b/internal/checks/kube/kubernetes.go index bee4fb7..051260d 100644 --- a/internal/checks/kube/kubernetes.go +++ b/internal/checks/kube/kubernetes.go @@ -93,7 +93,7 @@ func (k *KubernetesChecker) Run(ctx context.Context) error { } } - for _, res := range k.CheckRBACSSRR(ctx) { + for _, res := range k.CheckRBAC(ctx) { if err := k.writer.WriteResult(res); err != nil { return xerrors.Errorf("check SSAR: %w", err) } diff --git a/internal/checks/kube/rbac.go b/internal/checks/kube/rbac.go index 0fe9bd5..9f775b3 100644 --- a/internal/checks/kube/rbac.go +++ b/internal/checks/kube/rbac.go @@ -8,6 +8,8 @@ import ( "golang.org/x/xerrors" + "cdr.dev/slog" + "github.com/Masterminds/semver/v3" "github.com/cdr/coder-doctor/internal/api" @@ -20,41 +22,20 @@ import ( "k8s.io/kubectl/pkg/util/slice" ) +// CheckRBAC checks the cluster for the RBAC permissions required by Coder. +// It will attempt to first use a SelfSubjectRulesReview to determine the capabilities +// of the user. If this fails (notably on GKE), fall back to using SelfSubjectAccessRequests +// which is slower but is more likely to work. func (k *KubernetesChecker) CheckRBAC(ctx context.Context) []*api.CheckResult { - const checkName = "kubernetes-rbac" - authClient := k.client.AuthorizationV1() - results := make([]*api.CheckResult, 0) - - for req, reqVerbs := range k.reqs.ResourceRequirements { - resName := fmt.Sprintf("%s-%s", checkName, req.Resource) - if err := k.checkOneRBAC(ctx, authClient, req, reqVerbs); err != nil { - summary := fmt.Sprintf("missing permissions on resource %s: %s", req.Resource, err) - results = append(results, api.ErrorResult(resName, summary, err)) - continue - } - - summary := fmt.Sprintf("%s: can %s", req.Resource, strings.Join(reqVerbs, ", ")) - results = append(results, api.PassResult(resName, summary)) + if ssrrResults := k.checkRBACDefault(ctx); ssrrResults != nil { + return ssrrResults } - // TODO: delete this when the enterprise-helm role no longer requests resources on things - // that don't exist. - for req, reqVerbs := range k.reqs.RoleOnlyResourceRequirements { - resName := fmt.Sprintf("%s-%s", checkName, req.Resource) - if err := k.checkOneRBAC(ctx, authClient, req, reqVerbs); err != nil { - summary := fmt.Sprintf("missing permissions on resource %s: %s", req.Resource, err) - results = append(results, api.ErrorResult(resName, summary, err)) - continue - } - - summary := fmt.Sprintf("%s: can %s", req.Resource, strings.Join(reqVerbs, ", ")) - results = append(results, api.PassResult(resName, summary)) - } - - return results + k.log.Warn(ctx, "SelfSubjectRulesReview response incomplete, falling back to SelfSubjectAccessRequests (slow)") + return k.checkRBACFallback(ctx) } -func (k *KubernetesChecker) CheckRBACSSRR(ctx context.Context) []*api.CheckResult { +func (k *KubernetesChecker) checkRBACDefault(ctx context.Context) []*api.CheckResult { const checkName = "kubernetes-rbac-ssrr" authClient := k.client.AuthorizationV1() results := make([]*api.CheckResult, 0) @@ -71,7 +52,7 @@ func (k *KubernetesChecker) CheckRBACSSRR(ctx context.Context) []*api.CheckResul } if response.Status.Incomplete { - results = append(results, api.WarnResult(checkName, "SelfSubjectRulesReview response incomplete - results may not be correct")) + return nil // In this case, we should fall back to using SelfSubjectAccessRequests. } // convert the list of rules from the server to PolicyRules and dedupe/compact @@ -82,6 +63,9 @@ func (k *KubernetesChecker) CheckRBACSSRR(ctx context.Context) []*api.CheckResul compactRules, _ := rbacutil.CompactRules(breakdownRules) //nolint:errcheck - err is always nil sort.Stable(rbacutil.SortableRuleSlice(compactRules)) + for _, r := range compactRules { + k.log.Debug(ctx, "Got SSRR PolicyRule", slog.F("rule", r)) + } // TODO: optimise this for req, reqVerbs := range k.reqs.ResourceRequirements { @@ -90,7 +74,7 @@ func (k *KubernetesChecker) CheckRBACSSRR(ctx context.Context) []*api.CheckResul results = append(results, api.ErrorResult(checkName, summary, err)) continue } - summary := fmt.Sprintf("%s: can %s", req.Resource, strings.Join(reqVerbs, ", ")) + summary := fmt.Sprintf("%s/%s: can %s", req.Group, req.Resource, strings.Join(reqVerbs, ", ")) results = append(results, api.PassResult(checkName, summary)) } @@ -148,7 +132,43 @@ func apiResourceMatch(want string, have []string) bool { return false } -func (k *KubernetesChecker) checkOneRBAC(ctx context.Context, authClient authorizationclientv1.AuthorizationV1Interface, req *ResourceRequirement, reqVerbs ResourceVerbs) error { +// checkRBACFallback uses a SelfSubjectAccessRequest to check the cluster for the required +// accesses. This requires a number of checks and is relatively slow. +func (k *KubernetesChecker) checkRBACFallback(ctx context.Context) []*api.CheckResult { + const checkName = "kubernetes-rbac" + authClient := k.client.AuthorizationV1() + results := make([]*api.CheckResult, 0) + + for req, reqVerbs := range k.reqs.ResourceRequirements { + resName := fmt.Sprintf("%s-%s", checkName, req.Resource) + if err := k.checkOneRBACSSAR(ctx, authClient, req, reqVerbs); err != nil { + summary := fmt.Sprintf("missing permissions on resource %s: %s", req.Resource, err) + results = append(results, api.ErrorResult(resName, summary, err)) + continue + } + + summary := fmt.Sprintf("%s: can %s", req.Resource, strings.Join(reqVerbs, ", ")) + results = append(results, api.PassResult(resName, summary)) + } + + // TODO: delete this when the enterprise-helm role no longer requests resources on things + // that don't exist. + for req, reqVerbs := range k.reqs.RoleOnlyResourceRequirements { + resName := fmt.Sprintf("%s-%s", checkName, req.Resource) + if err := k.checkOneRBACSSAR(ctx, authClient, req, reqVerbs); err != nil { + summary := fmt.Sprintf("missing permissions on resource %s: %s", req.Resource, err) + results = append(results, api.ErrorResult(resName, summary, err)) + continue + } + + summary := fmt.Sprintf("%s: can %s", req.Resource, strings.Join(reqVerbs, ", ")) + results = append(results, api.PassResult(resName, summary)) + } + + return results +} + +func (k *KubernetesChecker) checkOneRBACSSAR(ctx context.Context, authClient authorizationclientv1.AuthorizationV1Interface, req *ResourceRequirement, reqVerbs ResourceVerbs) error { have := make([]string, 0, len(reqVerbs)) for _, verb := range reqVerbs { sar := &authorizationv1.SelfSubjectAccessReview{ diff --git a/internal/checks/kube/rbac_test.go b/internal/checks/kube/rbac_test.go index 64f5fb1..0cdc48f 100644 --- a/internal/checks/kube/rbac_test.go +++ b/internal/checks/kube/rbac_test.go @@ -15,7 +15,7 @@ import ( "github.com/cdr/coder-doctor/internal/api" ) -func Test_CheckRBAC(t *testing.T) { +func Test_CheckRBACFallback(t *testing.T) { t.Parallel() tests := []struct { @@ -59,13 +59,13 @@ func Test_CheckRBAC(t *testing.T) { assert.Success(t, "failed to create client", err) checker := NewKubernetesChecker(client) - results := checker.CheckRBAC(context.Background()) + results := checker.checkRBACFallback(context.Background()) test.F(t, results) }) } } -func Test_CheckRBAC_ClientError(t *testing.T) { +func Test_CheckRBACFallback_ClientError(t *testing.T) { t.Parallel() server := newTestHTTPServer(t, http.StatusInternalServerError, nil) @@ -74,7 +74,7 @@ func Test_CheckRBAC_ClientError(t *testing.T) { assert.Success(t, "failed to create client", err) checker := NewKubernetesChecker(client) - results := checker.CheckRBAC(context.Background()) + results := checker.checkRBACFallback(context.Background()) for _, result := range results { assert.ErrorContains(t, result.Name+" should show correct error", result.Details["error"].(error), "failed to create SelfSubjectAccessReview request") assert.True(t, result.Name+" should fail", result.State == api.StateFailed) @@ -93,7 +93,7 @@ var selfSubjectAccessReviewDenied authorizationv1.SelfSubjectAccessReview = auth }, } -func Test_CheckRBACSSRR(t *testing.T) { +func Test_CheckRBACDefault(t *testing.T) { t.Parallel() tests := []struct { @@ -126,7 +126,7 @@ func Test_CheckRBACSSRR(t *testing.T) { assert.Success(t, "failed to create client", err) checker := NewKubernetesChecker(client) - results := checker.CheckRBACSSRR(context.Background()) + results := checker.checkRBACDefault(context.Background()) test.F(t, results) }) } From 7e8bfdb4a0f53c0dde98ed14d249a58b1853da7e Mon Sep 17 00:00:00 2001 From: Cian Johnston Date: Wed, 1 Sep 2021 14:23:51 +0000 Subject: [PATCH 5/7] fix: ssrr checks --- internal/checks/kube/rbac.go | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/internal/checks/kube/rbac.go b/internal/checks/kube/rbac.go index 9f775b3..f7c09a7 100644 --- a/internal/checks/kube/rbac.go +++ b/internal/checks/kube/rbac.go @@ -70,11 +70,30 @@ func (k *KubernetesChecker) checkRBACDefault(ctx context.Context) []*api.CheckRe // TODO: optimise this for req, reqVerbs := range k.reqs.ResourceRequirements { if err := satisfies(req, reqVerbs, compactRules); err != nil { - summary := fmt.Sprintf("missing permissions on resource %s: %s", req.Resource, err) + summary := fmt.Sprintf("resource %s: %s", req.Resource, err) results = append(results, api.ErrorResult(checkName, summary, err)) continue } - summary := fmt.Sprintf("%s/%s: can %s", req.Group, req.Resource, strings.Join(reqVerbs, ", ")) + resourceName := req.Resource + if req.Group != "" { + resourceName = req.Group + "/" + req.Resource + } + summary := fmt.Sprintf("resource %s: can %s", resourceName, strings.Join(reqVerbs, ", ")) + results = append(results, api.PassResult(checkName, summary)) + } + + // TODO: remove this when the helm chart is fixed + for req, reqVerbs := range k.reqs.RoleOnlyResourceRequirements { + if err := satisfies(req, reqVerbs, compactRules); err != nil { + summary := fmt.Sprintf("resource %s: %s", req.Resource, err) + results = append(results, api.ErrorResult(checkName, summary, err)) + continue + } + resourceName := req.Resource + if req.Group != "" { + resourceName = req.Group + "/" + req.Resource + } + summary := fmt.Sprintf("resource %s: can %s", resourceName, strings.Join(reqVerbs, ", ")) results = append(results, api.PassResult(checkName, summary)) } From b0f412048f323b3793a5655c019be881667ddf5f Mon Sep 17 00:00:00 2001 From: Cian Johnston Date: Wed, 1 Sep 2021 14:37:18 +0000 Subject: [PATCH 6/7] rbac_test: add more tests --- internal/checks/kube/rbac_test.go | 51 +++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/internal/checks/kube/rbac_test.go b/internal/checks/kube/rbac_test.go index 0cdc48f..5da2732 100644 --- a/internal/checks/kube/rbac_test.go +++ b/internal/checks/kube/rbac_test.go @@ -156,6 +156,56 @@ func Test_Satisfies(t *testing.T) { Rules: []rbacv1.PolicyRule{testNoPermRule}, Expected: strptr("not satisfied"), }, + { + Name: "not allowed: get create apps/deployments", + Requirement: NewResourceRequirement("apps", "apps/v1", "deployments"), + Verbs: verbsGetCreate, + Rules: []rbacv1.PolicyRule{testV1WildcardRule}, + Expected: strptr("not satisfied"), + }, + { + Name: "allowed: get create apps/deployments", + Requirement: NewResourceRequirement("apps", "apps/v1", "deployments"), + Verbs: verbsGetCreate, + Rules: []rbacv1.PolicyRule{testAppsV1WildcardRule}, + Expected: nil, + }, + { + Name: "not allowed: delete apps/deployments", + Requirement: NewResourceRequirement("apps", "apps/v1", "deployments"), + Verbs: ss("delete"), + Rules: []rbacv1.PolicyRule{ + makeTestPolicyRule(verbsGetCreate, ss("apps"), ss("*"), ss(), ss()), + }, + Expected: strptr("not satisfied"), + }, + { + Name: "allowed: verb wildcard", + Requirement: NewResourceRequirement("", "v1", "pods"), + Verbs: verbsGetCreate, + Rules: []rbacv1.PolicyRule{ + makeTestPolicyRule(ss("*"), ss(""), ss("pods"), ss(), ss()), + }, + Expected: nil, + }, + { + Name: "allowed: resource wildcard", + Requirement: NewResourceRequirement("", "v1", "pods"), + Verbs: verbsGetCreate, + Rules: []rbacv1.PolicyRule{ + makeTestPolicyRule(verbsGetCreate, ss(""), ss("*"), ss(), ss()), + }, + Expected: nil, + }, + { + Name: "allowed: group wildcard", + Requirement: NewResourceRequirement("apps", "apps/v1", "deployments"), + Verbs: verbsGetCreate, + Rules: []rbacv1.PolicyRule{ + makeTestPolicyRule(verbsGetCreate, ss("*"), ss("*"), ss(), ss()), + }, + Expected: nil, + }, // TODO(cian): add many, many, more. } @@ -174,6 +224,7 @@ func Test_Satisfies(t *testing.T) { var testNoPermRule = makeTestPolicyRule(ss(), ss(), ss(), ss(), ss()) var testV1WildcardRule = makeTestPolicyRule(verbsAll, ss(""), ss("*"), ss(), ss()) +var testAppsV1WildcardRule = makeTestPolicyRule(verbsAll, ss("apps"), ss("*"), ss(), ss()) func makeTestPolicyRule(verbs, groups, resources, resourceNames, nonResourceURLs []string) rbacv1.PolicyRule { return rbacv1.PolicyRule{ From 65da237331c7019ba55036a0ad91a0e4a4f621b0 Mon Sep 17 00:00:00 2001 From: Cian Johnston Date: Wed, 1 Sep 2021 14:55:34 +0000 Subject: [PATCH 7/7] fixup! feat: use SSRR for RBAC instead of SSAR --- internal/checks/kube/kubernetes.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/internal/checks/kube/kubernetes.go b/internal/checks/kube/kubernetes.go index 051260d..7da135d 100644 --- a/internal/checks/kube/kubernetes.go +++ b/internal/checks/kube/kubernetes.go @@ -95,7 +95,7 @@ func (k *KubernetesChecker) Run(ctx context.Context) error { for _, res := range k.CheckRBAC(ctx) { if err := k.writer.WriteResult(res); err != nil { - return xerrors.Errorf("check SSAR: %w", err) + return xerrors.Errorf("check RBAC: %w", err) } } return nil