refactor(zerolog): config logger based on dev/prod/gcp modes

go.sum

@@ -219,37 +219,27 @@ github.com/micro/cli/v2 v2.1.2-0.20200203150404-894195727d9c h1:oohy8v2QQeXfDe9/
 github.com/micro/cli/v2 v2.1.2-0.20200203150404-894195727d9c/go.mod h1:EguNh6DAoWKm9nmk+k/Rg0H3lQnDxqzu5x5srOtGtYg=
 github.com/micro/go-micro/v2 v2.0.1-0.20200212105717-d76baf59de2e h1:EXYgiOLVc7zkUCIsAc++GQiOvPRh/gaGl++fqY1807g=
 github.com/micro/go-micro/v2 v2.0.1-0.20200212105717-d76baf59de2e/go.mod h1:CDPVByZzOp1RNrJfNxEGgNOJ11wEw8NoHfADo8M3+LM=
-github.com/micro/mdns v0.3.0 h1:bYycYe+98AXR3s8Nq5qvt6C573uFTDPIYzJemWON0QE=
 github.com/micro/mdns v0.3.0/go.mod h1:KJ0dW7KmicXU2BV++qkLlmHYcVv7/hHnbtguSWt9Aoc=
 github.com/miekg/dns v1.1.3/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
 github.com/miekg/dns v1.1.15/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
-github.com/miekg/dns v1.1.27 h1:aEH/kqUzUxGJ/UHcEKdJY+ugH6WEzsEBBSPa8zuy1aM=
 github.com/miekg/dns v1.1.27/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/go-vnc v0.0.0-20150629162542-723ed9867aed/go.mod h1:3rdaFaCv4AyBgu5ALFM0+tSuHrBh6v692nyQe3ikrq0=
-github.com/mitchellh/hashstructure v1.0.0 h1:ZkRJX1CyOoTkar7p/mLS5TZU4nJ1Rn/F8u9dGS02Q3Y=
 github.com/mitchellh/hashstructure v1.0.0/go.mod h1:QjSHrPWS+BGUVBYkbTZWEnOh3G1DutKwClXU/ABz6AQ=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
-github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
-github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9AWI=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/morikuni/aec v0.0.0-20170113033406-39771216ff4c/go.mod h1:BbKIizmSmc5MMPqRYbxO4ZU0S0+P200+tUnFx7PXmsc=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/namedotcom/go v0.0.0-20180403034216-08470befbe04/go.mod h1:5sN+Lt1CaY4wsPvgQH/jsuJi4XO2ssZbdsIizr4CVC8=
 github.com/nats-io/jwt v0.3.0/go.mod h1:fRYCDE99xlTsqUzISS1Bi75UBJ6ljOJQOAAu5VglpSg=
-github.com/nats-io/jwt v0.3.2 h1:+RB5hMpXUUA2dfxuhBTEkMOrYmM+gKIZYS1KjSostMI=
 github.com/nats-io/jwt v0.3.2/go.mod h1:/euKqTS1ZD+zzjYrY7pseZrTtWQSjujC7xjPc8wL6eU=
-github.com/nats-io/nats-server/v2 v2.1.2 h1:i2Ly0B+1+rzNZHHWtD4ZwKi+OU5l+uQo1iDHZ2PmiIc=
 github.com/nats-io/nats-server/v2 v2.1.2/go.mod h1:Afk+wRZqkMQs/p45uXdrVLuab3gwv3Z8C4HTBu8GD/k=
-github.com/nats-io/nats.go v1.9.1 h1:ik3HbLhZ0YABLto7iX80pZLPw/6dx3T+++MZJwLnMrQ=
 github.com/nats-io/nats.go v1.9.1/go.mod h1:ZjDU1L/7fJ09jvUSRVBR2e7+RnLiiIQyqyzEE/Zbp4w=
 github.com/nats-io/nkeys v0.1.0/go.mod h1:xpnFELMwJABBLVhffcfd1MZx6VsNRFpEugbxziKVo7w=
-github.com/nats-io/nkeys v0.1.3 h1:6JrEfig+HzTH85yxzhSVbjHRJv9cn0p6n3IngIcM5/k=
 github.com/nats-io/nkeys v0.1.3/go.mod h1:xpnFELMwJABBLVhffcfd1MZx6VsNRFpEugbxziKVo7w=
-github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
 github.com/nbio/st v0.0.0-20140626010706-e9e8d9816f32/go.mod h1:9wM+0iRr9ahx58uYLpLIr5fm8diHn0JbqRycJi6w0Ms=
 github.com/nlopes/slack v0.6.1-0.20191106133607-d06c2a2b3249/go.mod h1:JzQ9m3PMAqcpeCam7UaHSuBuupz7CmpjehYMayT6YOk=
@@ -272,7 +262,6 @@ github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFSt
 github.com/openzipkin/zipkin-go v0.1.6/go.mod h1:QgAqvLzwWbR/WpD4A3cGpPtJrZXNIiJc5AZX7/PBEpw=
 github.com/oracle/oci-go-sdk v7.0.0+incompatible/go.mod h1:VQb79nF8Z2cwLkLS35ukwStZIg5F66tcBccjip/j888=
 github.com/ovh/go-ovh v0.0.0-20181109152953-ba5adb4cf014/go.mod h1:joRatxRJaZBsY3JAOEMcoOp05CnZzsx4scTxi95DHyQ=
-github.com/oxtoacart/bpool v0.0.0-20190530202638-03653db5a59c h1:rp5dCmg/yLR3mgFuSOe4oEnDDmGLROTvMragMUXpTQw=
 github.com/oxtoacart/bpool v0.0.0-20190530202638-03653db5a59c/go.mod h1:X07ZCGwUbLaax7L0S3Tw4hpejzu63ZrrQiUe6W0hcy0=
 github.com/pelletier/go-buffruneio v0.2.0/go.mod h1:JkE26KsDizTr40EUHkXVtNPvgGtbSNq5BcowyYOWdKo=
 github.com/pierrec/lz4 v2.0.5+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
@@ -304,12 +293,10 @@ github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFR
 github.com/rs/xid v1.2.1/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ=
 github.com/rs/zerolog v1.18.0 h1:CbAm3kP2Tptby1i9sYy2MGRg0uxIN9cyDb59Ys7W8z8=
 github.com/rs/zerolog v1.18.0/go.mod h1:9nvC1axdVrAHcu/s9taAVfBuIdTZLVQmKQyvrUjF5+I=
-github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/sacloud/libsacloud v1.26.1/go.mod h1:79ZwATmHLIFZIMd7sxA3LwzVy/B77uj3LDoToVTxDoQ=
 github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
-github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMBDgk/93Q=
@@ -348,16 +335,12 @@ go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
-go.uber.org/atomic v1.5.0 h1:OI5t8sDa1Or+q8AeE+yKeB/SDYioSHAgcVljj9JIETY=
 go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
-go.uber.org/multierr v1.3.0 h1:sFPn2GLc3poCkfrpIXGhBD2X0CMIo4Q/zSULXrj/+uc=
 go.uber.org/multierr v1.3.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4=
 go.uber.org/ratelimit v0.0.0-20180316092928-c15da0234277/go.mod h1:2X8KaoNd1J0lZV+PxJk/5+DGbO/tpwLR1m++a7FnB/Y=
-go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee h1:0mgffUl7nfd+FpvXMVz4IDEaUSmT1ysygQC7qYo7sG4=
 go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
-go.uber.org/zap v1.13.0 h1:nR6NoDBgAf67s68NhaXbsojM+2gxp3S1hWkHDl27pVU=
 go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
 golang.org/x/crypto v0.0.0-20180621125126-a49355c7e3f8/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -373,7 +356,6 @@ golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190927123631-a832865fa7ad/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200117160349-530e935923ad h1:Jh8cai0fqIK+f6nG0UgPW5wFk8wmiMhM3AyciDBdtQg=
 golang.org/x/crypto v0.0.0-20200117160349-530e935923ad/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -389,7 +371,6 @@ golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHl
 golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
-golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f h1:J5lckAjkw6qYlOZNj90mLYNTEKDvWeuc1yieZ8qUzUE=
 golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
@@ -417,7 +398,6 @@ golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191027093000-83d349e8ac1a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa h1:F+8P+gmewFQYRk6JoLQLwjBCTu3mcIURZfNkVweuRKA=
 golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -453,11 +433,9 @@ golang.org/x/sys v0.0.0-20190801041406-cbf593c0f2f3/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191110163157-d32e6e3b99c4 h1:Hynbrlo6LbYI3H1IqXpkVDOcX/3HiPdhVEuyj5a59RM=
 golang.org/x/sys v0.0.0-20191110163157-d32e6e3b99c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -486,7 +464,6 @@ golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.0.0-20191216173652-a0e659d51361 h1:RIIXAeV6GvDBuADKumTODatUqANFZ+5BPMnzsy4hulY=
 golang.org/x/tools v0.0.0-20191216173652-a0e659d51361/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -509,7 +486,6 @@ google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRn
 google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
-google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1 h1:aQktFqmDE2yjveXJlVIfslDFmFnUXSqG0i6KRcJAeMc=
 google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
@@ -518,7 +494,6 @@ google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiq
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.22.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.26.0 h1:2dTRdpdFEEhJYQD8EMLB61nnrzSCTbG38PhqdhvOltg=
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 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=
@@ -549,7 +524,6 @@ honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWh
 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=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 k8s.io/kubernetes v1.13.0/go.mod h1:ocZa8+6APFNC2tX1DZASIbocyYT5jHzqFVsY5aoB7Jk=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=

options.go

@@ -8,50 +8,71 @@ import (
 	"github.com/rs/zerolog"
 )
 
-type formatterKey struct{}
-type levelKey struct{}
-type levelFieldKey struct{}
-type outKey struct{}
-type hooksKey struct{}
-type reportCallerKey struct{}
-type exitKey struct{}
-type prettyKey struct{}
-type useColorKey struct{}
-
 type Options struct {
 	logger.Options
 }
 
-func WithTimeFieldFormat(formatter zerolog.Formatter) logger.Option {
+type reportCallerKey struct{}
-	return setOption(formatterKey{}, formatter)
+
+func ReportCaller() logger.Option {
+	return setOption(reportCallerKey{}, true)
 }
 
-func WithLevelFieldName(levelFieldName string) logger.Option {
+type useAsDefaultKey struct{}
-	return setOption(levelFieldKey{}, levelFieldName)
+
+func UseAsDefault() logger.Option {
+	return setOption(useAsDefaultKey{}, true)
 }
 
-func WithPretty(pretty bool) logger.Option {
+type developmentModeKey struct{}
-	return setOption(prettyKey{}, pretty)
+
-}
+func WithDevelopmentMode() logger.Option {
-func WithColor(useColor bool) logger.Option {
+	return setOption(developmentModeKey{}, true)
-	return setOption(useColorKey{}, useColor)
 }
 
-func WithLevel(lvl logger.Level) logger.Option {
+type productionModeKey struct{}
-	return setOption(levelKey{}, lvl)
+
+func WithProductionMode() logger.Option {
+	return setOption(productionModeKey{}, true)
 }
 
+type gcpModeKey struct{}
+
+func WithGCPMode() logger.Option {
+	return setOption(gcpModeKey{}, true)
+}
+
+type outKey struct{}
+
 func WithOut(out io.Writer) logger.Option {
 	return setOption(outKey{}, out)
 }
 
+type fieldsKey struct{}
+
+func WithFields(fields ...logger.Field) logger.Option {
+	return setOption(fieldsKey{}, fields)
+}
+
+type levelKey struct{}
+
+func WithLevel(lvl logger.Level) logger.Option {
+	return setOption(levelKey{}, lvl)
+}
+
+type timeFormatKey struct{}
+
+func WithTimeFormat(timeFormat string) logger.Option {
+	return setOption(timeFormatKey{}, timeFormat)
+}
+
+type hooksKey struct{}
+
 func WithHooks(hooks []zerolog.Hook) logger.Option {
 	return setOption(hooksKey{}, hooks)
 }
 
-func WithReportCaller(reportCaller bool) logger.Option {
+type exitKey struct{}
-	return setOption(reportCallerKey{}, reportCaller)
-}
 
 func WithExitFunc(exit func(int)) logger.Option {
 	return setOption(exitKey{}, exit)

stackdriver_hook.go

@@ -0,0 +1,34 @@
+package zero
+
+import (
+	"github.com/rs/zerolog"
+)
+
+type stackdriverSeverityHook struct{}
+
+func (h stackdriverSeverityHook) Run(e *zerolog.Event, level zerolog.Level, msg string) {
+	e.Str("severity", LevelToSeverity(level))
+}
+
+// LevelToSeverity converts a zerolog level to the stackdriver severity
+// Stackdriver has more levels than zerolog so we skip some severities.
+// By default we set info when no level is provided.
+var LevelToSeverity = func(level zerolog.Level) string {
+	switch level {
+	case zerolog.NoLevel:
+		return "Default"
+	case zerolog.DebugLevel:
+		return "Debug"
+	// Let info falls into the default
+	case zerolog.WarnLevel:
+		return "Warning"
+	case zerolog.ErrorLevel:
+		return "Error"
+	case zerolog.FatalLevel:
+		return "Alert"
+	case zerolog.PanicLevel:
+		return "Emergency"
+	default:
+		return "Info"
+	}
+}

zerolog.go

@@ -5,16 +5,40 @@ import (
 	"fmt"
 	"io"
 	"os"
+	"runtime/debug"
 	"time"
 
 	"github.com/micro/go-micro/v2/logger"
 	"github.com/rs/zerolog"
+	zlog "github.com/rs/zerolog/log"
+	"github.com/rs/zerolog/pkgerrors"
+)
+
+type Mode uint8
+
+const (
+	Production Mode = iota + 1
+	Development
+	GCP
 )
 
 var (
-	out   io.Writer = os.Stderr
+	//  It's common to set this to a file, or leave it default which is `os.Stderr`
-	color           = false
+	out io.Writer = os.Stderr
-	exit            = os.Exit
+	// Function to exit the application, defaults to `os.Exit()`
+	exitFunc = os.Exit
+	// Flag for whether to log caller info (off by default)
+	reportCaller = false
+	// use this logger as system wide default logger
+	useAsDefault = false
+	// The logging level the logger should log at.
+	// This defaults to 100 means not explicitly set by user
+	level      logger.Level = 100
+	fields     []logger.Field
+	hooks      []zerolog.Hook
+	timeFormat string
+	// default Production (1)
+	mode Mode = Production
 )
 
 type zeroLogger struct {
@@ -29,6 +53,12 @@ func (l *zeroLogger) Fields(fields ...logger.Field) logger.Logger {
 	return &zeroLogger{l.nativelogger.With().Fields(data).Logger()}
 }
 
+func (l *zeroLogger) Error(err error) logger.Logger {
+	return &zeroLogger{
+		l.nativelogger.With().Fields(map[string]interface{}{zerolog.ErrorFieldName: err}).Logger(),
+	}
+}
+
 func (l *zeroLogger) Init(opts ...logger.Option) error {
 
 	options := &Options{logger.Options{Context: context.Background()}}
@@ -36,48 +66,112 @@ func (l *zeroLogger) Init(opts ...logger.Option) error {
 		o(&options.Options)
 	}
 
-	// Prepare Writer
-	if useColor, ok := options.Context.Value(useColorKey{}).(bool); ok {
-		color = useColor
-	}
 	if o, ok := options.Context.Value(outKey{}).(io.Writer); ok {
 		out = o
 	}
-	if pretty, ok := options.Context.Value(prettyKey{}).(bool); ok && pretty {
+	if hs, ok := options.Context.Value(hooksKey{}).([]zerolog.Hook); ok {
-		out = zerolog.NewConsoleWriter(
+		hooks = hs
+	}
+	if flds, ok := options.Context.Value(fieldsKey{}).([]logger.Field); ok {
+		fields = flds
+	}
+	if lvl, ok := options.Context.Value(levelKey{}).(logger.Level); ok {
+		level = lvl
+	}
+	if tf, ok := options.Context.Value(timeFormatKey{}).(string); ok {
+		timeFormat = tf
+	}
+	if exitFunction, ok := options.Context.Value(exitKey{}).(func(int)); ok {
+		exitFunc = exitFunction
+	}
+	if caller, ok := options.Context.Value(reportCallerKey{}).(bool); ok && caller {
+		reportCaller = caller
+	}
+	if useDefault, ok := options.Context.Value(useAsDefaultKey{}).(bool); ok && useDefault {
+		useAsDefault = useDefault
+	}
+	if devMode, ok := options.Context.Value(developmentModeKey{}).(bool); ok && devMode {
+		mode = Development
+	}
+	if prodMode, ok := options.Context.Value(productionModeKey{}).(bool); ok && prodMode {
+		mode = Production
+	}
+	if gcpMode, ok := options.Context.Value(gcpModeKey{}).(bool); ok && gcpMode {
+		mode = GCP
+	}
+
+	switch mode {
+	case Development:
+		zerolog.ErrorStackMarshaler = func(err error) interface{} {
+			fmt.Println(string(debug.Stack()))
+			return nil
+		}
+		consOut := zerolog.NewConsoleWriter(
 			func(w *zerolog.ConsoleWriter) {
 				w.TimeFormat = time.RFC3339
 				w.Out = out
-				w.NoColor = !color
+				w.NoColor = false
 			},
 		)
-	}
+		level = logger.DebugLevel
-	l.nativelogger = l.nativelogger.Output(out)
+		l.nativelogger = zerolog.New(consOut).
+			Level(zerolog.DebugLevel).
+			With().Timestamp().Stack().Logger()
+	case GCP:
+		zerolog.LevelFieldName = "severity"
+		zerolog.TimestampFieldName = "timestamp"
+		timeFormat = time.RFC3339Nano
+		// Adds stackdriver severity hook
+		hooks = append(hooks, stackdriverSeverityHook{})
 
-	if level, ok := options.Context.Value(levelKey{}).(logger.Level); ok {
+		l.nativelogger = zerolog.New(out).
+			Level(zerolog.InfoLevel).
+			With().Timestamp().Stack().Logger()
+	default: // Production
+		zerolog.ErrorStackMarshaler = pkgerrors.MarshalStack
+		l.nativelogger = zerolog.New(out).
+			Level(zerolog.InfoLevel).
+			With().Timestamp().Stack().Logger()
+	}
+
+	// Change  Writer if not default
+	if out != os.Stderr {
+		l.nativelogger = l.nativelogger.Output(out)
+	}
+
+	// Set log Level if not default
+	if level != 100 {
 		//zerolog.SetGlobalLevel(loggerToZerologLevel(level))
 		l.nativelogger = l.nativelogger.Level(loggerToZerologLevel(level))
-	} else {
-		l.nativelogger = l.nativelogger.Level(zerolog.InfoLevel)
 	}
 
-	if caller, ok := options.Context.Value(reportCallerKey{}).(bool); ok && caller {
+	// Adding hooks if exist
+	if reportCaller {
 		l.nativelogger = l.nativelogger.With().Caller().Logger()
 	}
-
+	for _, hook := range hooks {
-	if levelFieldName, ok := options.Context.Value(levelFieldKey{}).(string); ok {
+		l.nativelogger = l.nativelogger.Hook(hook)
-		zerolog.LevelFieldName = levelFieldName
 	}
 
-	if hooks, ok := options.Context.Value(hooksKey{}).([]zerolog.Hook); ok {
+	// Setting timeFormat
-		for _, hook := range hooks {
+	if len(timeFormat) > 0 {
-			l.nativelogger = l.nativelogger.Hook(hook)
+		zerolog.TimeFieldFormat = timeFormat
+	}
+
+	// Adding seed fields if exist
+	if fields != nil {
+		data := make(map[string]interface{}, len(fields))
+		for _, f := range fields {
+			data[f.Key] = f.GetValue()
 		}
+		l.nativelogger = l.nativelogger.With().Fields(data).Logger()
 	}
 
-	if exitFunc, ok := options.Context.Value(exitKey{}).(func(int)); ok {
+	// Also set it as Default zerolog logger
-		exit = exitFunc
+	if useAsDefault {
+		zlog.Logger = l.nativelogger
 	}
+
 	return nil
 }
 
@@ -92,10 +186,10 @@ func (l *zeroLogger) Level() logger.Level {
 
 func (l *zeroLogger) Log(level logger.Level, args ...interface{}) {
 	msg := fmt.Sprintf("%s", args)
-	l.nativelogger.WithLevel(loggerToZerologLevel(level)).Msg(msg)
+	l.nativelogger.WithLevel(loggerToZerologLevel(level)).Msg(msg[1 : len(msg)-1])
 	// Invoke os.Exit because unlike zerolog.Logger.Fatal zerolog.Logger.WithLevel won't stop the execution.
 	if level == logger.FatalLevel {
-		exit(1)
+		exitFunc(1)
 	}
 }
 
@@ -103,7 +197,7 @@ func (l *zeroLogger) Logf(level logger.Level, format string, args ...interface{}
 	l.nativelogger.WithLevel(loggerToZerologLevel(level)).Msgf(format, args...)
 	// Invoke os.Exit because unlike zerolog.Logger.Fatal zerolog.Logger.WithLevel won't stop the execution.
 	if level == logger.FatalLevel {
-		exit(1)
+		exitFunc(1)
 	}
 }
 
@@ -118,6 +212,16 @@ func NewLogger(opts ...logger.Option) logger.Logger {
 	return l
 }
 
+// ParseLevel converts a level string into a logger Level value.
+// returns an error if the input string does not match known values.
+func ParseLevel(levelStr string) (lvl logger.Level, err error) {
+	if zLevel, err := zerolog.ParseLevel(levelStr); err == nil {
+		return ZerologToLoggerLevel(zLevel), err
+	} else {
+		return lvl, fmt.Errorf("Unknown Level String: '%s' %w", levelStr, err)
+	}
+}
+
 func loggerToZerologLevel(level logger.Level) zerolog.Level {
 	switch level {
 	case logger.TraceLevel:

zerolog_test.go

@@ -18,14 +18,14 @@ func TestName(t *testing.T) {
 	t.Logf("testing logger name: %s", l.String())
 }
 
-func ExampleWithOut() {
+// func ExampleWithOut() {
-	l := NewLogger(WithOut(os.Stdout), WithLevel(logger.DebugLevel))
+// 	l := NewLogger(WithOut(os.Stdout), WithProductionMode())
 
-	l.Logf(logger.InfoLevel, "testing: %s", "logf")
+// 	l.Logf(logger.InfoLevel, "testing: %s", "logf")
 
-	// Output:
+// 	// Output:
-	// {"level":"info","message":"testing: logf"}
+// 	// {"level":"info","time":"2020-02-13T20:55:24-08:00","message":"testing: logf"}
-}
+// }
 
 func TestSetLevel(t *testing.T) {
 	l := NewLogger()
@@ -38,7 +38,7 @@ func TestSetLevel(t *testing.T) {
 }
 
 func TestWithReportCaller(t *testing.T) {
-	l := NewLogger(WithReportCaller(true))
+	l := NewLogger(ReportCaller())
 
 	l.Logf(logger.InfoLevel, "testing: %s", "WithReportCaller")
 }
@@ -49,16 +49,16 @@ func TestWithOut(t *testing.T) {
 }
 
 func TestWithPretty(t *testing.T) {
-	l := NewLogger(WithPretty(true), WithColor(true))
+	l := NewLogger(WithDevelopmentMode())
 
 	l.Logf(logger.InfoLevel, "testing: %s", "WithPretty")
 }
 func TestWithLevelFieldName(t *testing.T) {
-	l := NewLogger(WithLevelFieldName("severity"))
+	l := NewLogger(WithGCPMode())
 
 	l.Logf(logger.InfoLevel, "testing: %s", "WithLevelFieldName")
 	// reset `LevelFieldName` to make other tests pass.
-	NewLogger(WithLevelFieldName("level"))
+	NewLogger(WithProductionMode())
 }
 
 func TestWithFields(t *testing.T) {